Overhead transmission line inspection device and method

Abstract

The invention belongs to the technical field of overhead line inspection, and particularly discloses an overhead transmission line inspection device and method. Comprising a shell, the shell is a hollow polygon, a groove is formed in the bottom face of the hollow polygon in the horizontal direction, the groove is used for being matched with a ground wire, a plurality of pulleys are arranged in the shell, the pulleys are used for sliding on the ground wire, and a locking device is arranged between every two adjacent pulleys. Each pulley is connected with the output end of a driving motor, the bottom of the shell is connected with a bottom plate through a support, a bottom box is arranged below the bottom plate, an energy storage battery and a main control module are arranged in the bottom box, a camera is arranged below the bottom box, and a detection module is further arranged on the bottom plate. By means of the locking device, it is ensured that inspection operation can still be conducted normally in a severe environment, and the inspection device cannot fall off from the ground wire.

Description

Technical Field

[0001] The invention belongs to the technical field of overhead line inspection, and in particular relates to an overhead power transmission line inspection device and method. Background Art

[0002] With the rapid development of power grids, the scale of transmission lines is getting larger and larger, and the number of power line equipment is becoming increasingly large. The maintenance personnel of power grid transmission lines cannot meet the growing power grid demand, and the maintenance personnel are not competent for the heavy inspection tasks. In places with high mountains and dangerous terrain, maintenance personnel have many problems such as great safety hazards, low inspection efficiency, single inspection methods, and low defect detection rate. They can no longer meet the requirements of lean operation and inspection of modern power grids.

[0003] Although new inspection technologies such as video surveillance devices and drone inspections are very mature, they still have the following shortcomings: 1. Video surveillance devices have many blind spots and only obtain single data. 2. The cost of drone inspection is high, and it is impossible to achieve regular inspection around the clock; 3. It is difficult to find foreign objects (such as kite lines) hanging on the overhead lines, and it is difficult to find wire defects (such as broken strands and scattered strands); 4. The inspection method is single and lacks the ability to acquire multiple data. Summary of the invention

[0004] The object of the present invention is to provide an overhead power transmission line inspection device and method to solve the technical problem that existing line inspection equipment is difficult to operate safely in a complex environment.

[0005] To achieve the above object, the present invention adopts the following technical solutions: In the first aspect, the present invention provides an overhead power transmission line inspection device, including a shell, wherein the shell is a hollow cuboid, and a groove is provided on the bottom surface of the hollow cuboid in the horizontal direction, and the groove is used to cooperate with the ground wire. A plurality of pulleys are provided in the shell, and the pulleys are used to slide on the ground wire. A locking device is provided between adjacent pulleys, and each of the pulleys is connected to the output end of a driving motor. The bottom of the shell is connected to the base plate through a bracket, and a bottom box is provided under the base plate, and a storage battery and a main control module are provided in the bottom box. A camera is provided under the bottom box, and a detection module is also provided on the base plate.

[0006] A further improvement of the present invention is that a hanging ring is provided above the shell, and the hanging ring is used for fixing to the drone.

[0007] A further improvement of the present invention is that the detection module includes an antenna, a contact sensor and a micro-meteorological sensor.

[0008] A further improvement of the present invention is that a bottom frame is provided below the bottom plate, a plurality of photovoltaic panels are evenly provided between the bottom frame and the bottom plate, and the output ends of the plurality of photovoltaic panels are connected to the input ends of the energy storage battery.

[0009] A further improvement of the present invention is that the contact sensors are arranged at two ends of the bottom plate along the direction of the ground conductor.

[0010] A further improvement of the present invention is that a bird-repelling sensor is provided inside the photovoltaic panel.

[0011] A further improvement of the present invention is that a connecting rod and a distance sensor are sequentially arranged between the camera and the bottom box.

[0012] A further improvement of the present invention is that the camera has a built-in dual-light camera and a laser ranging module.

[0013] A further improvement of the present invention is that a waterproof coating is provided on the surface of the shell.

[0014] In a second aspect, the present invention provides an overhead power transmission line inspection method, comprising the following steps: after the outer casing is mounted on the ground wire, the locking device is automatically locked; the energy storage battery supplies power to the drive motor, and the drive motor drives the pulley to move along the ground wire, and during the movement, the inspection data collected by the camera and the detection module during the inspection operation is uploaded to the main control module, the main control module processes the inspection data to determine whether to continue the inspection, and uploads it to the remote terminal to complete one inspection.

[0015] Compared with the prior art, the present invention has at least the following beneficial effects: 1. The present invention uses a locking device to ensure that inspection operations can be carried out normally in harsh environments and will not fall off the ground wire; 2. The present invention uses drones to inspect different ground wires without power outages and can automatically and continuously perform operations; 3. The present invention has a built-in dual-light camera, which has both visible light and infrared thermal imaging inspection capabilities; a built-in laser ranging module can measure the distance to buildings and trees; 4. The present invention is green and environmentally friendly by providing solar power through photovoltaic panels; 5. The present invention has the capability of all-weather inspection operation by arranging a waterproof layer on the outer shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0017] In the attached picture: Figure 1 It is a front view of an overhead power transmission line inspection device of the present invention; Figure 2 It is a schematic diagram of the internal structure of an overhead power transmission line inspection device of the present invention; Figure 3 It is a bottom schematic diagram of an overhead power transmission line inspection device of the present invention; In the figure: 1. hanging ring; 2. outer shell; 3. ground wire; 4. contact sensor; 5. antenna; 6. bird repellent sensor; 7. camera; 8. bottom frame; 9. photovoltaic panel; 10. micrometeorological sensor; 11. distance sensor; 12. connecting rod; 13. bottom box; 14. bottom plate; 15. locking device; 16. pulley; 17. drive motor. DETAILED DESCRIPTION

[0018] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other without conflict.

[0019] The following detailed description is an exemplary description, which is intended to provide further detailed description of the present invention. Unless otherwise specified, all technical terms used in the present invention have the same meaning as those generally understood by those skilled in the art to which the present invention belongs. The terms used in the present invention are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present invention.

[0020] Example 1 An overhead power transmission line inspection device, such as Figure 1-3As shown, it includes: a shell 2, a bottom box 13 and a bottom plate 14, the shell 2 is a hollow cuboid, the bottom surface of the hollow cuboid is provided with a groove in the horizontal direction, the groove is used to cooperate with the ground wire 3, a bottom plate 14 is provided below the shell 2, a plurality of pulleys 16 are provided in the shell 2, the pulleys 16 are used to slide on the ground wire 3, and locking devices 15 are provided between adjacent pulleys 16, each pulley 16 is connected to the output end of a drive motor 17, and the pulley movement is controlled by the drive motor 17, the bottom plate 14 is fixedly connected to the shell 2 through a bracket, and a bottom plate 14 is provided below the bottom plate 14. There is a bottom box 13, in which an energy storage battery and a main control module are arranged, a rectangular bottom frame 14 is arranged below the bottom plate 13, a number of photovoltaic panels 9 are evenly arranged between the bottom frame 14 and the bottom plate 13, a contact sensor 4 is arranged on both sides of the bottom plate 13 along the direction of the ground wire 3, an antenna 5 and a micro-meteorological sensor 10 are also arranged above the bottom plate 13, a connecting rod 12 is vertically arranged below the bottom plate 13, a distance sensor 11 is arranged at one end of the connecting rod 12 away from the bottom plate 13, a camera 7 is arranged below the distance sensor 11, and a bird-repelling sensor 6 is arranged on the inner side of the photovoltaic panel 9; The output ends of several photovoltaic panels 9 are connected to the input ends of the energy storage battery, so that the energy storage battery is charged through the photovoltaic panels 9; the output end of the energy storage battery is electrically connected to the contact sensor 4, the antenna 5, the bird-repelling sensor 6, the camera 7, the micro-meteorological sensor 10, the distance sensor 11, the locking device 15, the drive motor 17 and the main control module, so as to supply power to each component; the main control module is used to control the forward and reverse rotation and switch of the drive motor 17, control the switch of the locking device 15, obtain the data of the contact sensor 4, the antenna 5, the bird-repelling sensor 6, the camera 7, the micro-meteorological sensor 10 and the distance sensor 11, and pre-process the data and upload it to the remote terminal or control the working state according to the data; the battery, network status and data transmission status can also be checked remotely, and when the conditions for continuing to work are not met, it can return to the original position according to the set process.

[0021] Specifically, it also includes a hanging ring 1, which is arranged above the outer shell 2. The hanging ring 1 is used to be fixedly connected to a drone, so that the drone can perform inspection operations on different overhead lines. At the same time, the drone does not need to work during the inspection process. Compared with the existing drone inspection, the cost is lower and more energy-saving. Specifically, the hanging ring 1 is strip-shaped, and both ends are fixed on the top of the outer shell 2.

[0022] Specifically, a U-shaped base is provided below the distance sensor 11, and the U-shaped base is rotatably connected to the camera 7, so that the camera 7 can rotate to shoot, thereby increasing the shooting range and improving the inspection accuracy; Through the distance sensor 11, the contact sensor 4 and the camera 7, it is possible to carry out overhead line channel inspection and defect identification, overhead line body inspection and defect identification, overhead line corridor anti-mountain fire inspection alarm, wire breakage, loose strands and other small defects inspection and identification, tree line distance timely measurement, sag timely measurement and intelligent bird repellent and bird damage monitoring; The micro-meteorological sensor 10 can be used to perform infrared temperature measurement and alarm on the equipment body and regional meteorological monitoring; Camera 7 has a built-in dual-light camera, which has both visible light and infrared thermal imaging inspection capabilities; The camera 7 is also equipped with a laser distance measurement module, which can measure the distance to buildings and trees; The surface of the housing 2 is provided with a waterproof coating, with an IP66 waterproof rating, and is capable of all-weather inspection operations; Antenna 5 has a built-in Beidou module that can measure sag in real time; Remote control is achieved through 4G / 5G.

[0023] Example 2 Fix the drone to the hanging ring 1, and after the housing 2 is hung on the ground wire 3 through the drone, the locking device 15 is automatically locked to prevent it from being unhooked and falling to the ground due to bad weather; The photovoltaic panel 9 automatically generates electricity and charges the energy storage battery; The energy storage battery supplies power to the drive motor 17, which drives the pulley 16 to move and brake, and moves freely along the ground wire 3. The speed of movement can be controlled according to the inspection task. When it reaches the vicinity of the tower, the distance sensor 11 sends a signal to the main control module, and the main control module controls the brake of the drive motor. And through the data obtained by the camera 7, micro-meteorological transmission module 10, bird-repelling sensor 6, and contact sensor 4, the operating environment is automatically judged, and the automatic start or stop is controlled to ensure the safety of the device. The data obtained by each sensor is transmitted to the management and control platform in real time through the 4G network.

Claims

1. An overhead power transmission line inspection device, characterized in that: The invention comprises a shell (2), wherein the shell (2) is a hollow cuboid, and a groove is provided on the bottom surface of the hollow cuboid in the horizontal direction, and the groove is used to cooperate with a ground wire (3). A plurality of pulleys (16) are provided in the shell (2), and the pulleys (16) are used to slide on the ground wire (3). A locking device (15) is provided between adjacent pulleys (16), and each pulley is connected to the output end of a driving motor (17). The bottom of the shell (2) is connected to a bottom plate (14) through a bracket, and a bottom box (13) is provided below the bottom plate (14), and an energy storage battery and a main control module are provided in the bottom box (13). A camera (7) is provided below the bottom box (13), and a detection module is also provided on the bottom plate (14).

2. An overhead power transmission line inspection device according to claim 1, characterized in that: A hanging ring (1) is provided above the outer shell (2), and the hanging ring (1) is used for live loading and unloading via an unmanned aerial vehicle.

3. An overhead power transmission line inspection device according to claim 1, characterized in that: The detection module comprises an antenna (5), a contact sensor (4) and a micro-meteorological sensor (10).

4. An overhead power transmission line inspection device according to claim 1, characterized in that: A bottom frame (8) is provided below the bottom plate (14), a plurality of photovoltaic panels (9) are evenly arranged between the bottom frame (8) and the bottom plate (14), and the output ends of the plurality of photovoltaic panels (9) are connected to the input ends of the energy storage batteries.

5. An overhead power transmission line inspection device according to claim 3, characterized in that: The contact sensors (4) are arranged at two ends of the bottom plate (14) along the direction of the ground wire (3).

6. An overhead power transmission line inspection device according to claim 4, characterized in that: A bird-repelling sensor (6) is provided on the inner side of the photovoltaic panel (9).

7. An overhead power transmission line inspection device according to claim 1, characterized in that: A connecting rod (12) and a distance sensor (11) are also provided in sequence between the camera (7) and the bottom box (13).

8. An overhead power transmission line inspection device according to claim 1, characterized in that: The camera (7) has a built-in dual-light camera and a laser distance measurement module.

9. An overhead power transmission line inspection device according to claim 1, characterized in that: The surface of the outer shell (2) is provided with a waterproof coating.

10. An overhead power transmission line inspection method, characterized in that: The following steps are involved: After the housing (2) is mounted on the ground wire (3), the locking device (15) is automatically locked; the energy storage battery supplies power to the drive motor (17), and the drive motor (17) drives the pulley (16) to move along the ground wire (3). During the movement, the inspection data collected by the camera (7) and the detection module are uploaded to the main control module. The main control module processes the inspection data to determine whether to continue the inspection, and uploads it to the remote terminal to complete one inspection.

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