Online inspection device for overhead line system

Abstract

The utility model relates to the technical field of overhead line system inspection, and discloses an online overhead line system inspection device. The objective of the utility model is to solve the technical problems in the prior art that the catenary defect identification precision is insufficient, a monocular lens is difficult to acquire three-dimensional information, and the small defect identification of the catenary is limited. The front panel and the rear panel are located at the front end and the rear end of the case shell, and at least two layers of laminates are installed in the case shell and used for bearing a main control module; the front panel is provided with a touch screen and is used for displaying and interactively processing image data information obtained in the inspection process; the rear panel is provided with a binocular vision module, and the binocular vision module comprises a camera provided with a binocular lens and is used for collecting image data of the overhead line system. According to the utility model, binocular stereo imaging is adopted, multi-angle analysis capability is combined, stereo image information of the overhead line system is synchronously obtained, defect identification precision is improved, and reliable data support is provided for state evaluation of the overhead line system.

Description

TECHNICAL FIELD

[0001] The utility model relates to contact net inspection technology field especially relates to a contact net on -line inspection device. BACKGROUND

[0002] With the large -scale construction of railway, the construction scale of electrified railway is expanding, and the safety guarantee of its affiliated electrified infrastructure has a very important role for the safe operation of railway. Train operation environment is complex, and the infrastructure along the railway is damaged under high load driving state along with long -term operation and loss of train. With the development of electrified railway, the power supply infrastructure inspection and operation along the high speed railway is under great pressure. During train operation, due to the complex mechanical and current action between the pantograph and the contact net, the failure frequency of the contact net system is high, which becomes a weak link in the safe operation of high speed railway. As a typical equipment along the railway, the contact net plays a very important role in the railway power supply system. In the pantograph-catenary system, the main function of the contact net support device is to support the contact net suspension equipment and transmit its load to the support column or other suspension equipment. In the long-term operation of train, the fastener may be loose, broken or even lost due to continuous collision with the train body. The contact net parts are relatively fixed in the position of the support device, but their shapes and sizes are different, and the health status of the equipment affects the safe operation of train running. At present, non-contact detection has been widely used in the field of railway, and non-contact detection mainly includes visual inspection of contact net equipment by artificial along the railway. With the development of industrial camera, the corresponding solution is proposed to realize comprehensive automatic detection and monitoring of railway power supply infrastructure.

[0003] The prior art Chinese patent document 202411412830.5 discloses an automatic inspection device for electrified railway contact net, which relates to the technical field of electrified railway inspection. It comprises a plurality of modular components connected in sequence through connecting joints; the modular components include: a frame; a moving component for connecting to the load-bearing cable of the electrified railway contact net and driving the modular component to move forward on the load-bearing cable; a connecting rod component connecting the moving component to the frame and keeping the moving component in contact with the load-bearing cable; a balancing component installed on the frame for keeping the modular component moving forward on the load-bearing cable in a vertical posture.

[0004] But the above scheme has at least the following technical problems in the implementation process: the contact net defect recognition precision is insufficient, and the monocular lens is difficult to obtain stereoscopic information, and the recognition ability of the contact net micro defect is limited. Therefore, it is urgent to propose a contact net online inspection device. SUMMARY

[0005] In view of the above technical problems, the present disclosure provides a catenary online inspection device, which solves the technical problems of insufficient defect recognition accuracy of the prior art catenary, difficulty in obtaining stereoscopic information by a monocular lens, and limited recognition ability for micro-small defects of the catenary.

[0006] According to one aspect of the present disclosure, a catenary online inspection device is provided, which comprises a case shell, a front panel and a rear panel located at the front and rear ends of the case shell, at least two layers of plates are installed in the case shell for supporting a main control module; the front panel is installed with a touch screen for displaying and interacting with image data information obtained during the inspection process; the rear panel is installed with a binocular vision module, which comprises a camera equipped with a binocular lens for collecting image data of the catenary; an antenna is installed on the side of the case shell for receiving and transmitting wireless signals; and a power supply part is further included, which comprises a power switch and an external power supply interface.

[0007] In some embodiments of the present disclosure, the antenna is a rod-shaped antenna, and the rod-shaped antenna is three.

[0008] In some embodiments of the present disclosure, one or two handles are installed on the rear panel.

[0009] In some embodiments of the present disclosure, four supporting feet are symmetrically arranged at the four corners of the bottom of the case shell.

[0010] In some embodiments of the present disclosure, a plurality of heat dissipation holes are arranged on the top surface and the bottom surface of the case shell, and the heat dissipation holes are arranged in a honeycomb array.

[0011] In some embodiments of the present disclosure, a clamping groove structure is arranged on the inner wall of the case shell, and the plates are installed on the inner wall of the case shell through the clamping groove structure.

[0012] In some embodiments of the present disclosure, a plurality of bolt holes are arranged on the plates, and the main control module is installed on the plates through bolts.

[0013] The present utility model has the advantages of:

[0014] Through the layer plate structure and the clamping groove fixed design arranged in the cabinet shell, the modular layout and stable installation of the main control module are realized, which optimizes the internal space utilization and enhances the vibration resistance of the equipment, and is suitable for long-term stable operation in complex environment. The touch screen integrated in the front panel provides intuitive image data display and interaction function, supports real-time data viewing and processing during the inspection process, significantly improves the field operation efficiency and reduces the manual intervention link. The binocular vision module and high-resolution camera are used to synchronously obtain the stereoscopic image information of the catenary, and the multi-angle analysis capability is combined to improve the defect identification accuracy and provide reliable data support for catenary state evaluation. Three rod antennas are configured to form a multi-channel signal transceiver mechanism, enhance the stability and coverage range of wireless transmission, ensure the real-time and integrity of remote transmission of inspection data, and are especially suitable for complex electromagnetic environment along the railway. The side handle of the cabinet and the four corner support feet design consider portable carrying and equipment anti-skid fixing, and cooperate with the high-efficiency heat dissipation capacity of the top / bottom honeycomb heat dissipation holes to ensure the continuous operation capacity of the equipment in outdoor high temperature, dusty and other harsh working conditions. The standardization design of layer plate bolt hole and the configuration of external power supply interface facilitate the quick disassembly, upgrade and maintenance of the main control module, and support diversified power supply schemes to adapt to different scene requirements. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 Fig. 1 is a structural schematic diagram of the catenary online inspection device;

[0016] Figure 2 Fig. 2 is another perspective structural schematic diagram of the catenary online inspection device;

[0017] Figure 3 Fig. 3 is still another perspective structural diagram of the catenary online inspection device;

[0018] Figure 4 Fig. 4 is an internal structural schematic diagram of the catenary online inspection device;

[0019] Figure 5 Fig. 5 is another perspective internal structural schematic diagram of the catenary online inspection device;

[0020] Figure 6 Fig. 6 is a structural schematic diagram of the cabinet shell;

[0021] Figure 7 Fig. 7 is another perspective structural schematic diagram of the cabinet shell;

[0022] Names of components in the figure: 1, cabinet shell; 2, front panel; 3, rear panel; 4, layer plate; 5, main control module; 6, touch screen; 7, binocular lens; 8, camera; 9, antenna; 10, power switch; 11, external power supply interface; 12, support foot; 13, heat dissipation hole; 14, clamping groove structure; 15, handle. DETAILED DESCRIPTION

[0023] The preferred embodiments of the utility model are described below in conjunction with the drawings, and it should be understood that the preferred embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model. Embodiment 1

[0024] The example discloses an overhead line online inspection device, referring to Figures 1 to 7 ;

[0025] The machine case shell 1 is internally installed with at least two layers of layer plates 4 for supporting the main control module 5; the front panel 2 is installed with a touch screen 6 for displaying and interacting with the image data information obtained in the inspection process; the rear panel 3 is installed with a binocular vision module, the binocular vision module comprises a camera 8 equipped with a binocular lens 7 for collecting image data of the overhead line; the side surface of the machine case shell 1 is installed with an antenna 9 for receiving and transmitting wireless signals; further comprising a power supply part, the power supply part comprises a power switch 10 and an external power supply interface 11.

[0026] The antenna 9 is a rod-shaped antenna, and the rod-shaped antenna is three.

[0027] One or two handles 15 are installed on the rear panel 3.

[0028] Four supporting feet 12 are symmetrically arranged at the bottom of the machine case shell 1.

[0029] The top surface and the bottom surface of the machine case shell 1 are both provided with a plurality of heat dissipation holes 13, and the heat dissipation holes 13 are arranged in a honeycomb array.

[0030] The inner wall of the machine case shell 1 is provided with a clamping groove structure 14, and the layer plate is installed on the inner wall of the machine case shell through the clamping groove structure 14.

[0031] A plurality of bolt holes are arranged on the layer plate, and the main control module is installed on the layer plate through bolts.

[0032] In the working process, the device is started through the power switch 10, and the external power supply interface 11 can selectively connect an external power supply or a built-in battery for power supply. The main control module 5 checks the communication state of the binocular vision module, the camera 8 and the binocular lens 7, the touch screen 6 and the antenna 9. The touch screen displays the device state, and the operator adjusts the parameters according to the on-site demand; the external power supply interface is compatible with multiple power supply modes, and is suitable for trackside fixed power supply or mobile battery pack. The honeycomb-shaped heat dissipation hole 13 dissipates heat through natural convection after the device is started, so as to avoid overheating of the main control module. The operator triggers the binocular vision module through the touch screen 6, and the camera 8 synchronously collects the stereo image of the catenary through the binocular lens 7. The device is moved along the railway track, the binocular vision module continuously shoots the key parts of the catenary, and the main control module 5 performs real-time image processing; the collected original image data is displayed on the touch screen in real time. The layer plate 4 fixes the main control module through the clamping slot 14 and the bolt hole, so as to reduce the interference of railway vibration on the imaging quality. The binocular lens 7 captures multi-view data, the main control module generates a three-dimensional model of the catenary, and accurately locates defects. The processed image data is uploaded to the control center through the three rod-shaped antennas 9 in different channels, so as to avoid interruption of single signal caused by railway electromagnetic interference, and ensure transmission stability. The bottom supporting leg 12 prevents the device from sliding, and the honeycomb-shaped heat dissipation hole 13 maintains the ventilation efficiency in a dusty environment. The layer plate bolt hole is designed in a standardized manner, and supports independent replacement of components such as the main control module and the camera. The operator confirms the completion of the task through the touch screen 6, turns off the power switch 10, and disconnects the external power supply. The device is moved to the storage point through the handle, and the supporting leg 12 and the case shell 1 are designed to ensure that there is no damage during transportation.

[0033] Although some preferred embodiments of the present application have been described, those skilled in the art who have the basic inventive concept can make further changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present application.

[0034] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

Claims

1. An online inspection device for overhead contact lines, characterized in that: It includes a chassis, a front panel and a rear panel located at the front and rear ends of the chassis, and at least two layers of shelves installed inside the chassis to support the main control module; a touch screen is installed on the front panel to display and interactively process image data information acquired during the inspection process; a binocular vision module is installed on the rear panel, which includes a camera equipped with binocular lenses for acquiring image data of the contact network. The chassis has an antenna mounted on its side for receiving and transmitting wireless signals; it also includes a power supply unit, which includes a power switch and an external power interface.

2. The online inspection device for overhead contact lines as described in claim 1, characterized in that: The antenna is a rod antenna, and there are three rod antennas.

3. The online inspection device for overhead contact lines as described in claim 1, characterized in that: Install one or two handles on the rear panel.

4. The online inspection device for overhead contact lines as described in claim 1, characterized in that: Four support feet are symmetrically arranged at the four corners of the bottom of the chassis.

5. The online inspection device for overhead contact lines as described in claim 1, characterized in that: The top and bottom surfaces of the chassis are provided with several heat dissipation holes, which are arranged in a honeycomb array.

6. The online inspection device for overhead contact lines as described in claim 1, characterized in that: The inner wall of the chassis shell is provided with a slot structure, and the shelf is installed on the inner wall of the chassis shell through the slot structure.

7. The online inspection device for overhead contact lines as described in claim 1, characterized in that: The shelf plate is provided with multiple bolt holes, and the main control module is mounted on the shelf plate by bolts.

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