CN114913473A - Lightweight single-body imaging contact network safety patrol instrument - Google Patents
Lightweight single-body imaging contact network safety patrol instrument Download PDFInfo
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- 238000012545 processing Methods 0.000 claims abstract description 79
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- 235000005770 birds nest Nutrition 0.000 claims description 18
- 235000005765 wild carrot Nutrition 0.000 claims description 18
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- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/28—Manufacturing or repairing trolley lines
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/698—Control of cameras or camera modules for achieving an enlarged field of view, e.g. panoramic image capture
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Abstract
The invention discloses a lightweight single-body imaging contact net safety patrol inspection instrument which comprises an image acquisition unit, an image processing unit, an image storage unit, an image data display unit, a power supply unit, an external auxiliary unit and a wireless touch unit. The image acquisition unit is used for acquiring images of the contact network; the image processing unit is responsible for carrying out acquisition control, image data transmission and processing on the image acquisition unit; and the data display unit is used for displaying the image processed by the image processing unit and the interactive interface of the acquisition software. Compared with the traditional contact net safety inspection device using two cameras, the device can meet the requirements of wide view field and high resolution by using a single camera, the light weight and the portability of the device are ensured, a night low-light imaging image processing algorithm, image acquisition control software and an image operation annotation module are developed in an image processing unit, an auxiliary lighting source in the traditional device is omitted, and the device has better integration and portability.
Description
Technical Field
The invention relates to the technical field of safety inspection of a contact network system and the surrounding environment in an electrified railway, in particular to a light single-body imaging contact network safety inspection instrument.
Background
With the rapid development of high-speed railways in China, the laying of contact networks in a traction power supply system exceeds 7.5 kilometers, the number of assembled parts exceeds 30 hundred million, and a large-scale power supply infrastructure network of a high-speed railway system is basically formed. The contact network is a main framework of the railway electrification engineering, the speed increase of a high-speed train can aggravate the complicated mechanical and electrical effects between bow networks, and the faults of loosening, breaking and the like of parts of the contact network are easily induced; in addition, along with the layout development of the railway in China to the frigid region in frontier Xinjiang, the train running line can face severe and variable geological and climatic conditions, so that the threats of foreign matter invasion, perimeter abnormal conditions and the like to a traction power supply contact network system are caused, and the running safety of a high-speed rail is seriously threatened. The contact net safety inspection device is a device temporarily installed in an operation train cab, and high-definition image acquisition detection is carried out on the state of a contact net along the line by adopting portable high-definition image acquisition equipment, so that the contact net safety inspection device can assist monitoring personnel to carry out post statistical analysis on the states of contact suspension component operation states, the surrounding environment conditions of the contact net line, invasion limit foreign matters threatening the train traction power supply safety and the like. However, the existing contact net safety inspection device comprises two cameras, and meanwhile, an active lighting source is required to be equipped, so that the light weight and the portable design of the device are not convenient to further realize, the intelligent degree is not high, and the boundary identification to a great extent for foreign matters such as bird nests and the like also requires manual later stage judgment and marking.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: to the problem that above-mentioned exists, provide a contact net safety inspection appearance of lightweight monomer formula formation of image, only use wide area high definition camera to carry out monomer formula formation of image and gather, need not to adopt two camera imaging, do not use the initiative illumination light source simultaneously, realize further lightweight and portable design of equipment, lifting means self intelligent level.
The invention adopts the following technical scheme: a lightweight single-body imaging contact network safety patrol inspection instrument comprises an image acquisition unit, an image processing unit, an image storage unit, an image data display unit, a power supply unit, an external auxiliary unit and a wireless touch unit; wherein the content of the first and second substances,
the image acquisition unit is a wide-area high-definition camera with wide view field range and high resolution, and can perform high-definition image acquisition on the contact net support and the surrounding environment along a wide view field range under the high-speed operation of the high-speed rail train;
the image processing unit is a strong real-time embedded GPU processing board card based on a GPU and FPGA framework, and can compress, transmit and process images shot in a wide-area high-definition camera, the strong real-time embedded GPU processing board card comprises image acquisition control software, and the image acquisition control software is used for controlling the wide-area high-definition camera to acquire images and specifically comprises the steps of starting acquisition, suspending acquisition, finishing acquisition and setting camera parameters; the strong real-time embedded GPU processing board card can realize visual processing of the acquired contact net support post image under the weak light illumination condition of the train running light of the high-speed train based on a night weak light imaging image processing algorithm; the strong real-time embedded GPU processing board card can automatically detect and identify the pole number and the bird nest in a contact net pillar picture acquired by a wide area high-definition camera based on a pole number and bird nest detection and identification algorithm;
the image storage unit is a high-capacity mobile hard disk and is used for storing the image data processed by the strong real-time embedded GPU processing board card;
the data display unit is a touch display screen and is used for displaying an image acquisition control software GUI interface in the strong real-time embedded GPU processing board card, a man-machine interaction function can be realized, a control signal is transmitted to the strong real-time embedded GPU processing board through a function key of the touch screen, the operation of the patrol inspection instrument is controlled, and simultaneously, images of a high-speed train overhead line system acquired by a wide-area high-definition camera are displayed in real time;
the power supply unit is a power adapter for converting alternating current (220V) and 50Hz to 12V Direct Current (DC) and can supply power to other units in the patrol instrument, wherein the 220V AC is obtained from a power supply system of a high-speed train;
the peripheral auxiliary unit comprises a GPS module and a WiFi wireless transceiving module: the GPS module can record the position and time information of the currently acquired contact network image in real time and send the information to the strong real-time embedded GPU processing board card in real time; the WiFi wireless receiving and transmitting module is used for a special local area network of the safety patrol inspection instrument of the living contact network;
the wireless touch unit is a touch panel computer, and is in wireless connection with the inspection instrument through a WiFi wireless transceiver module in the peripheral auxiliary unit, so that the touch panel computer can control the wide-area high-definition camera to acquire images, and contact network image operation software is developed, so that the functions of screening, checking, cutting, marking, storing and reporting abnormal information of the contact network can be realized.
Furthermore, except the wireless touch unit, all the other units are integrated in a main structure consisting of a front baffle, a box body envelope plate and a rear baffle; the outer surface of the rear end of the front baffle is matched with the inner surface of the box body envelope plate and is fixed through screws; the box body enveloping board internally comprises a wide area high-definition camera, a strong real-time embedded GPU processing board card, a large-capacity mobile hard disk and a bottom board, the top of the box body enveloping board is provided with a handle, two sides of the box body enveloping board are provided with heat dissipation holes, and the bottom of the inner side of the box body enveloping board is connected with the bottom board through screws; the wide-area high-definition camera, the high-capacity mobile hard disk and the strong real-time embedded GPU processing board card are all arranged on the bottom plate through screws; the outer surface of the rear end of the rear panel is matched with the inner surface of the rear end of the box body envelope plate and is fixed through screws, and the rear panel comprises a power switch, a USB debugging interface, a touch display screen and a power interface.
Furthermore, the wide-area high-definition camera can realize high-resolution imaging of the contact network and the surrounding environment in a wide-range view field by only using a single camera.
Furthermore, a night low-light imaging image processing algorithm is integrated in the strong real-time embedded GPU processing board card, so that the visual processing of the acquired contact net support post images under the low-light illumination condition of the train running lights of the high-speed rail train can be realized, and the acquisition of the tunnel and night contact net support post images can be performed without adding auxiliary illumination.
Furthermore, a pole number and bird nest detection and identification algorithm is integrated in the strong real-time embedded GPU processing board card, so that the pole number and the bird nest in a strut picture of the contact network acquired by the wide-area high-definition camera can be automatically detected and identified, and the intelligent level of contact network inspection is improved.
In summary, compared with the prior art, due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. according to the invention, a single wide area high-definition camera is adopted, so that high-resolution imaging acquisition of a contact network and a surrounding environment in a wide field of view can be realized, and compared with a traditional mode of adopting two high-definition cameras, the device has a more simplified structure and is lighter;
2. the device develops a night low-light imaging image processing algorithm, image acquisition control software and an image operation annotation module in a strong real-time embedded GPU processing board, saves an auxiliary illumination light source in the traditional device, and has better integration, portability and function comprehensiveness;
3. the pole number and bird nest detection and identification algorithm is comprehensively developed and integrated in the strong real-time embedded GPU processing board, and the pole number positioning and bird nest identification of the image can be carried out on line in real time by utilizing the performance advantage of the GPU in the image processing.
Drawings
Fig. 1 is a design diagram of the overall architecture and the overall structure of each functional unit of the lightweight single-body imaging overhead line system safety patrol instrument, wherein: 1-rear baffle, 2-box envelope board, 3-hard disk, 4-strong real-time embedded GPU processing board, 5-wide-area high-definition camera, 6-front baffle, 7-aperture adjusting ring, 8-bottom board, 9-radiating hole, 10-handle, 11-switch, 12-USB debugging interface, 13-touch display screen and 14-power interface.
Detailed Description
For a better understanding of the embodiments of the device according to the invention, reference is made to the following detailed description in conjunction with the accompanying drawings.
The invention relates to a lightweight single-body imaging contact network safety patrol inspection instrument which comprises an image acquisition unit, an image processing unit, an image storage unit, an image data display unit, a power supply unit, an external auxiliary unit and a wireless touch unit. Wherein the content of the first and second substances,
the image acquisition unit is used for acquiring images of the contact network;
the image processing unit is responsible for carrying out acquisition control, image data processing and transmission on the image acquisition unit;
the data display unit is used for displaying the image processed by the image processing unit and an interactive interface of acquisition software;
the power supply unit is responsible for converting a 220V power supply of the high-speed train into a working power supply required by the device;
the peripheral auxiliary unit is used for determining the position and time information of the currently acquired image;
the wireless touch control unit is used for a worker to remotely operate the device;
except the wireless touch unit, all other modules are integrated in a main body structure consisting of a front baffle, a box body envelope plate and a rear baffle, and a functional integral device is formed.
Wherein, the image acquisition unit is a wide area high definition camera that possesses wide field of view scope high resolution, installs the diaphragm control ring on the wide area high definition camera, thereby guarantees through fine setting diaphragm control ring that the appearance can both clearly image under different illumination environment patrolling and examining.
The image processing unit is a strong real-time embedded GPU processing board card based on a GPU and an FPGA framework, the strong real-time embedded GPU processing board card is electrically connected with the power supply unit and is in signal connection with other units. Image acquisition control software, night low-light imaging image processing algorithm, pole number and bird's nest detection and identification algorithm have been developed among the embedded GPU processing integrated circuit board during the reinforce, through control wide area high definition camera carries out image acquisition, carries out compression and data enhancement to the image of shooing, accomplishes the visual processing of the contact net pillar image of gathering under the low light condition of high-speed railway train driving light, realizes that bird's nest and pole number discern, and the data transmission that will process is at last to image storage unit.
The image storage unit is a high-capacity mobile hard disk and is used for storing the image data processed by the strong real-time embedded GPU processing board card.
The data display unit is a touch display screen, the touch display screen can display image data information transmitted by the strong real-time embedded GPU processing board, meanwhile, a man-machine interaction function can be achieved, and the control signal is transmitted to the strong real-time embedded GPU processing board through the function keys of the touch screen to control the operation of the patrol inspection instrument.
The power supply unit is a power adapter for converting alternating current (220V) and 50Hz to 12V Direct Current (DC), can supply power to other units in the device, and determines the on-off of a circuit through a switch, wherein the 220V AC is obtained from a power supply system of a high-speed train.
The peripheral auxiliary unit comprises a GPS module and a WiFi wireless transceiving module, wherein the GPS module records the position and time information of the currently acquired contact net image and transmits the position and time information to the strong real-time embedded GPU processing board; the WiFi wireless receiving and sending module is used for an exclusive local area network of the life patrol inspection instrument.
The wireless touch unit is a touch tablet computer, wireless connection is carried out between the wireless touch unit and the patrol inspection instrument through a WiFi wireless transceiver module in the peripheral auxiliary unit, the touch tablet computer can control the wide-area high-definition camera to carry out image acquisition, contact network image operation software is developed, and functions of screening, checking, cutting, marking, saving in addition and generating contact network abnormal information reports of contact network images can be achieved.
In a main body structure consisting of a front baffle, a box body enveloping plate and a rear baffle, the outer surface of the rear end of the front baffle is matched with the inner surface of the box body enveloping plate and is fixed by screws; the box body envelope plate internally comprises a wide area high-definition camera, a strong real-time embedded GPU processing board, a large-capacity mobile hard disk and a bottom plate, the top of the box body envelope plate is provided with a handle, two sides of the box body envelope plate are provided with heat dissipation holes, and the bottom of the inner side of the box body envelope plate is connected with the bottom plate through screws; the wide area high-definition camera, the hard disk and the strong real-time embedded GPU processing board are all arranged on the bottom board through screws; the surface of rear panel rear end mutually supports with the inner surface of box rear end and fixes through the screw, the rear panel contains touch-sensitive screen, USB debugging interface, switch and power source, and USB debugging interface has signal connection with strong real-time embedded GPU handles the board to can be connected with the personal computer, can be right algorithm model in the strong real-time embedded GPU handles the board is maintained and is upgraded, can also transmit the image of patrolling and examining the record in the appearance, be used for off-line measuring.
Examples
As shown in fig. 1, the overhead line system safety inspection instrument for light-weight single-body imaging mainly comprises a module unit, a module unit and a control unit, wherein the module unit mainly comprises an image acquisition unit, an image processing unit, an image storage unit, an image data display unit, a power supply unit, an external auxiliary unit and a wireless touch unit; the image acquisition unit is a wide-area high-definition camera and can perform high-definition acquisition on images of a contact network and the surrounding environment in a high-speed running state of the train; the image processing unit is a strong real-time embedded GPU processing board card, can compress, process and transmit images, integrates image acquisition control software, detects and identifies pole numbers and bird nests, processes an image processing algorithm by night low-light imaging, can control a wide-area high-definition camera to acquire images, compresses and enhances data of shot images, completes visual processing of acquired contact net support column images under the condition of low light of train running lights of a high-speed train, realizes identification of the bird nests and the pole numbers, and finally transmits the processed data to the image storage unit; the image storage unit is used for storing the data after the image processing; the image data display unit is used for displaying and outputting the transmission data in the strong real-time embedded GPU processing board, can realize the human-computer interaction function and inputs image acquisition control information; the power supply unit can supply power to other units in the device; the peripheral auxiliary unit comprises a GPS module and a WiFi wireless transceiving module, and the GPS module records current time and position information and transmits the current time and position information to the strong real-time embedded GPU processing board; the WiFi wireless receiving and transmitting module is used for generating a special local area network of the cost patrol instrument; the wireless touch unit is a touch tablet computer, can control a wide-area high-definition camera to acquire images, and develops contact network image operation software, so that annotation, modification and marking operations of the images can be realized.
As shown in FIG. 1, the integral structure of the device comprises a front baffle 6, a box body envelope plate 2 and a rear baffle 1; the outer surface of the rear end of the front baffle 6 is matched with the inner surface of the box body enveloping plate 2 and is fixed through screws; the box body enveloping plate 2 internally comprises a wide area high definition camera 5, a strong real-time embedded GPU processing plate 4, a hard disk 3 and a bottom plate 8, the top of the box body enveloping plate 2 is provided with a handle 10, two sides of the box body enveloping plate are provided with heat dissipation holes 9, and the bottom of the inner side of the box body enveloping plate is connected with the bottom plate 8 through screws; the wide area high-definition camera 5, the hard disk 3 and the strong real-time embedded GPU processing board 4 are all arranged on a bottom board 8 through screws; the outer surface of the rear end of the rear panel 1 is matched with the inner surface of the rear end of the box body envelope plate 2 and fixed through screws, and the rear panel 1 comprises a power switch 11, a USB debugging interface 12, a touch display screen 13 and a power interface 14.
The working principle of the invention is as follows:
the power adapter for converting alternating current (220V) and 50Hz to 12V Direct Current (DC) is an integral power supply unit of the patrol instrument and can supply power for other units in the patrol instrument, wherein 220V alternating current is taken from a power supply system of a high-speed train. After the patrol inspection instrument is started up through a power switch, a start acquisition instruction button in image acquisition control software on a touch screen is clicked, the acquired data can be transmitted to a strong real-time embedded GPU processing board by a wide-area high-definition camera and a GPS module, the data is compressed by the processing board, then the compressed image data is subjected to image processing by an image processing module in the processing board, a pole number and a bird nest in an image are identified by a pole number and bird nest detection and identification module, finally, the processed image, a pole number identification result, a bird nest identification result and time and position information acquired by the GPS are transmitted to the touch screen for display by the strong real-time embedded GPU processing board card, and the information can be stored in a mobile hard disk. In the running process of the train, the collected pictures can be marked, annotated, modified and stored through a touch panel computer of the wireless touch unit. After the vehicle-mounted record of the inspection instrument is finished, the USB debugging interface is used for copying the data stored in the mobile hard disk to the server, and the identification of faults such as geometric parameter distortion of a contact network, loosening and breaking of parts and the like and the detection of environmental threats such as foreign matter invasion, perimeter abnormal conditions and the like can be further realized by utilizing a defect detection algorithm or a manual interpretation mode.
Claims (5)
1. A lightweight single-body imaging contact network safety patrol inspection instrument is characterized by comprising an image acquisition unit, an image processing unit, an image storage unit, an image data display unit, a power supply unit, an external auxiliary unit and a wireless touch unit; wherein, the first and the second end of the pipe are connected with each other,
the image acquisition unit is a wide-area high-definition camera with wide view field range and high resolution, and can perform high-definition image acquisition on the contact net support and the surrounding environment along a wide view field range under the high-speed running of the high-speed train;
the image processing unit is a strong real-time embedded GPU processing board card based on a GPU and FPGA framework, and can compress, transmit and process images shot in the wide-area high-definition camera, the strong real-time embedded GPU processing board card comprises image acquisition control software, and the image acquisition control software is used for controlling the wide-area high-definition camera to acquire images and specifically comprises the steps of starting acquisition, suspending acquisition, ending acquisition and setting camera parameters; the strong real-time embedded GPU processing board card can realize the visual processing of the acquired contact net support post image under the condition of weak illumination of the running train lamps of the high-speed train based on a night weak light imaging image processing algorithm; the strong real-time embedded GPU processing board card can automatically detect and identify the pole number and the bird nest in a contact net pillar picture acquired by a wide area high definition camera based on a pole number and bird nest detection and identification algorithm;
the image storage unit is a high-capacity mobile hard disk and is used for storing the image data processed by the strong real-time embedded GPU processing board card;
the data display unit is a touch display screen and is used for displaying the GUI interface of the image acquisition control software in the strong real-time embedded GPU processing board card, the man-machine interaction function can be realized, a control signal is transmitted to the strong real-time embedded GPU processing board through a function key of the touch screen, the operation of the patrol instrument is controlled, and meanwhile, the image of a high-speed rail train catenary along the line, which is acquired by a wide-area high-definition camera, is displayed in real time;
the power supply unit is a power adapter for converting alternating current (220V) and 50Hz to 12V Direct Current (DC) and can supply power to other units in the patrol instrument, wherein the 220V AC is obtained from a power supply system of a high-speed train;
the peripheral auxiliary unit comprises a GPS module and a WiFi wireless transceiving module: the GPS module can record the position and time information of the currently acquired contact network image in real time and send the information to the strong real-time embedded GPU processing board card in real time; the WiFi wireless receiving and transmitting module is used for generating a special local area network of the safety inspection instrument of the overhead line system;
the wireless touch unit is a touch panel computer, and is in wireless connection with the patrol inspection instrument through a WiFi wireless transceiver module in the peripheral auxiliary unit, so that the touch panel computer can control the wide-area high-definition camera to acquire images, and contact network image operation software is developed, so that the functions of screening, checking, cutting, marking, saving in addition and generating contact network abnormal information reports of contact network images can be realized.
2. The safe patrol instrument for the overhead line system with the lightweight single-body imaging function as claimed in claim 1, wherein except for the wireless touch control unit, all the units are integrated in a main structure consisting of a front baffle (6), a box body envelope plate (2) and a rear baffle (1); the outer surface of the rear end of the front baffle (6) is matched with the inner surface of the box body enveloping plate (2) and is fixed through screws; the box body enveloping board (2) internally comprises a wide area high-definition camera (5), a strong real-time embedded GPU processing board card (4), a large-capacity mobile hard disk (3) and a bottom board (8), the top of the box body enveloping board (2) is provided with a handle (10), heat dissipation holes (9) are formed in two sides of the box body enveloping board, and the bottom of the inner side of the box body enveloping board is connected with the bottom board (8) through screws; the wide-area high-definition camera (5), the high-capacity mobile hard disk (3) and the strong real-time embedded GPU processing board card (4) are all arranged on the bottom plate (8) through screws; the surface of rear panel (1) rear end mutually supports with the internal surface of box envelope board (2) rear end and fixes through the screw, rear panel (1) contains switch (11), USB debugging interface (12), touch display screen (13) and power source (14).
3. The lightweight single-body imaging contact network safety patrol instrument according to claim 1, wherein the wide-area high-definition camera can realize high-resolution imaging of the contact network and the surrounding environment in a wide-range view field by using only a single camera.
4. The light-weight single-body imaging catenary safety inspection instrument according to claim 1, characterized in that a night low-light imaging image processing algorithm is integrated in the strong real-time embedded GPU processing board card, so that the visual processing of catenary strut images acquired under the low-light condition of train running lights of a high-speed rail train can be realized, and the acquisition of tunnel and night catenary strut images can be performed without adding auxiliary lighting.
5. The light weight single imaging contact network safety patrol instrument according to claim 1, wherein a pole number and bird nest detection and identification algorithm is integrated in the strong real-time embedded GPU processing board card, so that the pole number and the bird nest in a contact network strut picture acquired by a wide area high definition camera can be automatically detected and identified, and the intelligent level of contact network patrol is improved.
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