CN113682484B - Unmanned aerial vehicle ultraviolet imager and unmanned aerial vehicle for electric power inspection - Google Patents

Abstract

The invention provides an unmanned aerial vehicle ultraviolet imager for power inspection and an unmanned aerial vehicle, belonging to the technical field of power inspection. The shell is arranged at the lower part of the unmanned aerial vehicle, and a longitudinal through cavity is arranged inside the shell; the angle adjusting unit comprises a rotary seat arranged at the bottom of the through cavity and a driving mechanism arranged at the upper part of the through cavity, and a driving end of the driving mechanism is connected with the rotary seat to drive the rotary seat to rotate circumferentially; the working unit is installed on the rotary seat and located below the shell, and the working unit is used for collecting power grid images and wirelessly sending collected data to the background working end. According to the unmanned aerial vehicle ultraviolet imager for power inspection, provided by the invention, a 360-degree acquisition visual field can be provided without adjusting the posture of the unmanned aerial vehicle, the operation difficulty of the unmanned aerial vehicle is greatly reduced, and the remote power inspection quality is ensured.

Description

An unmanned aerial vehicle ultraviolet imager and unmanned aerial vehicle for electric power inspection

technical field

The invention belongs to the technical field of electric power inspection, and more specifically relates to an unmanned aerial vehicle ultraviolet imager and an unmanned aerial vehicle for electric power inspection.

Background technique

High-voltage transmission has a wide range of uses in the field of power transmission, but these erected high-voltage transmission lines are usually set up outdoors, and the power transmission lines are exposed to the wild for a long time. Such as external force damage, resulting in hidden dangers such as wear and tear of transmission line insulators, broken wires, and missing shockproof hammers. If these hidden troubles cannot be discovered in time, they will seriously threaten power transmission.

With the continuous advancement of modern technology, drones have made great progress in various fields. The use of drones to complete power inspections can greatly improve the efficiency of power inspections to ensure the safety of the power grid. However, the image acquisition device of the existing UAV inspection equipment does not have the angle adjustment function, or only has a small angle adjustment function. In order to ensure the observation field of view, the posture of the UAV is usually adjusted to prevent the observation of dead angles. , this method is more troublesome to apply, and has higher requirements on the controllability of the UAV.

Contents of the invention

The purpose of the present invention is to provide an unmanned aerial vehicle ultraviolet imager for electric power inspection, which aims to solve the problem that the existing image acquisition device of unmanned aerial vehicle inspection equipment does not have the angle adjustment function, or only has the small angle adjustment function. question.

In order to achieve the above object, the technical solution adopted by the present invention is to provide an unmanned aerial vehicle ultraviolet imager for electric power inspection, including:

The casing is installed on the lower part of the drone, and the interior of the casing is provided with a longitudinal through cavity;

The angle adjustment unit includes a swivel seat arranged at the bottom of the through cavity and a driving mechanism arranged at the upper part of the through cavity, the driving end of the drive mechanism is connected to the swivel seat to drive the swivel seat to rotate in a circumferential direction ;

The working unit is installed on the swivel seat and is located under the casing, and the working unit is used to collect grid images and wirelessly send the collected data to the background working terminal.

In a possible implementation manner, the working unit includes:

UV imaging components;

A wireless communication module, electrically connected to the ultraviolet imaging component;

The battery assembly is electrically connected to the ultraviolet imaging assembly and the wireless communication module.

In a possible implementation manner, a track groove is provided in the circumferential direction of the inner wall of the through cavity, and the track groove is circular and coaxial with the through cavity;

The track plate is arranged in the circumferential direction of the outer wall of the swivel seat, and the track plate is located in the track groove and rotatably matched with the track groove.

In a possible implementation manner, the driving mechanism is an angle motor;

The angle motor is fixed on the upper part of the through-cavity through a plurality of fixed rods connected in the circumferential direction, and the driving end of the angle motor is coaxial with the through-cavity.

In a possible implementation manner, a through hole is longitudinally opened in the middle of the swivel base, and a connecting shaft is connected to the driving end of the angle motor, and the connecting shaft penetrates into the through hole and passes through the circumferentially connected A plurality of connecting rods are fixed in the through holes.

In a possible implementation manner, a protective cover is provided on the top of the casing, and the protective cover is located directly above the through cavity.

In a possible implementation manner, a plurality of cooling holes are opened in a circumferential direction of the protective cover.

The beneficial effect of the UAV ultraviolet imager for power inspection provided by the present invention is that compared with the prior art, the casing is installed at the lower part of the UAV, and a longitudinal through-cavity is provided inside the casing to drive The mechanism is installed on the upper part of the through cavity, and the driving mechanism acts to drive the swivel base to rotate circumferentially, thereby driving the working unit installed on the swivel base to rotate.

When using an unmanned aerial vehicle ultraviolet imager for electric power inspection provided by the present invention, the unmanned aerial vehicle is first controlled to fly to the power grid to be detected, and the driving mechanism drives the working unit to rotate through the swivel seat to realize 360° acquisition of power grid images, and finally The collected data is sent to the background working end through wireless, so that the staff can observe the power operation remotely. The invention can provide a 360° acquisition field of view without adjusting the attitude of the drone, greatly reduces the difficulty of the drone's operation, and ensures the quality of remote power inspection.

The present invention also provides an unmanned aerial vehicle, comprising a lifting frame, a plurality of elevating wings arranged on the top of the lifting frame, and an unmanned aerial vehicle ultraviolet imager connected to the bottom of the lifting frame for power inspection.

In a possible implementation manner, the bottom of the lifting frame is provided with a plurality of foot rods, and the plurality of foot rods are distributed in a circle, and the foot rods are inclined outward from top to bottom, and the bottom is provided with a landing gear assembly.

In a possible implementation manner, the landing gear assembly includes:

The ring frame is connected to the lower end of the foot rod, and at least two struts are symmetrically arranged inside the ring frame;

The cushion layer is arranged under the ring frame.

The beneficial effect of the unmanned aerial vehicle provided by the present invention is that compared with the prior art, due to the use of the above-mentioned unmanned aerial vehicle ultraviolet imager for power inspection, it has the same The same beneficial effects will not be repeated here.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the descriptions of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only of the present invention. For some embodiments, those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1 is a schematic structural diagram of an unmanned aerial vehicle provided by an embodiment of the present invention;

Fig. 2 is a schematic diagram of the cooperative structure of the casing and the connecting frame provided by the embodiment of the present invention;

Fig. 3 is a schematic diagram of the internal structure of the casing of an unmanned aerial vehicle ultraviolet imager for electric power inspection provided by an embodiment of the present invention;

Fig. 4 is a schematic structural diagram of a landing gear assembly in an unmanned aerial vehicle provided by an embodiment of the present invention.

Explanation of reference signs:

1. Chassis; 11. Track groove;

2. Connecting frame;

3. Boom;

4. Lifting frame;

5. Lifting wing;

6. Angle adjustment unit; 61. Angle motor; 62. Fixed rod; 63. Connecting shaft; 64. Protective cover; 65. Cooling hole; 66. Connecting rod;

7. Rotary seat; 71. Track plate;

8. Ultraviolet imaging components;

9. Foot bar;

10. Landing gear assembly; 101. Ring frame; 102. Strut; 103. Cushion; 104. Bumper rod.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element. It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the application and simplifying the description, rather than indicating or implying No device or element must have a particular orientation, be constructed, and operate in a particular orientation, and thus should not be construed as limiting the application.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present application, "plurality" means two or more, unless otherwise specifically defined.

Please refer to Fig. 1 to Fig. 3, a kind of UAV ultraviolet imager for electric power inspection provided by the present invention is now described. An unmanned aerial vehicle ultraviolet imager for power inspection, including a casing 1, an angle adjustment unit 6 and a working unit.

The casing 1 is installed on the bottom of the drone, and the inside of the casing 1 is provided with a longitudinal through-cavity; the angle adjustment unit 6 includes a swivel seat 7 arranged at the bottom of the through-cavity and a driving mechanism arranged on the top of the through-cavity, which drives The driving end of the mechanism is connected to the swivel base 7 to drive the swivel base 7 to rotate in a circumferential direction; the working unit is installed on the swivel base 7 and located under the casing 1, and the working unit is used to collect images of the power grid and wirelessly send the collected data to the background working end.

The present invention provides an unmanned aerial vehicle ultraviolet imager for electric power inspection. Compared with the prior art, the casing 1 is installed on the lower part of the unmanned aerial vehicle. The interior of the casing 1 is provided with a longitudinal through cavity, and the driving mechanism On the upper part of the through cavity, the driving mechanism acts to drive the turntable 7 to rotate in a circumferential direction, thereby driving the working unit installed on the turnbase 7 to rotate.

When using an unmanned aerial vehicle ultraviolet imager for electric power inspection provided by the present invention, the unmanned aerial vehicle is first controlled to fly to the power grid to be detected, and the driving mechanism drives the working unit to rotate through the swivel seat 7 to realize 360° acquisition of power grid images, and Finally, the collected data will be sent to the background working end through wireless, so that the staff can observe the power operation remotely. The invention can provide a 360° acquisition field of view without adjusting the attitude of the drone, greatly reduces the difficulty of the drone's operation, and ensures the quality of remote power inspection.

In some embodiments, please refer to FIG. 1 , the working unit includes an ultraviolet imaging component 8 , a wireless communication module (not shown in the figure) and a battery component (not shown in the figure).

The wireless communication module is electrically connected to the ultraviolet imaging component 8; the battery component is electrically connected to the ultraviolet imaging component 8 and the wireless communication module.

Specifically, the ultraviolet imaging component 8 is an ultraviolet imager; the battery component is a storage battery or a dry battery, which depends on actual working conditions and is not limited here.

The ultraviolet imager can receive the ultraviolet signal generated when the power grid is discharged, and after processing, it will overlap with the visible light image and display it on the screen of the instrument to achieve the purpose of determining the position and intensity of the corona, so as to provide more information for further evaluation of the operation of the power grid. credible basis. It does not depend on the external light intensity, can be used in both day and night, and has stronger adaptability.

The wireless communication module is a WiFi communication module or a Bluetooth communication module.

In some embodiments, please refer to FIG. 3 , the track groove 11 is provided in the circumferential direction of the inner wall of the through cavity, the track groove 11 is circular and coaxial with the through cavity; In the circumferential direction, the track plate 71 is located in the track groove 11 and is rotatably engaged with the track groove 11 .

Specifically, the casing 1 is a cylindrical structure, and the track groove 11 is an annular groove, which is provided in the circumferential direction of the inner wall of the through cavity. The swivel seat 7 is a cylindrical structure, and its outer diameter is the same as the inner diameter of the through cavity. The track plate 71 is a ring, which is arranged in the circumferential direction of the outer wall of the swivel seat 7 .

The track plate 71 is located in the track groove 11 , and the two cooperate with each other to realize the rotation of the swivel seat 7 along its axial direction in the through cavity of the casing 1 . For the smoothness of both rotations, a bearing assembly can be installed in the track groove 11.

Preferably, there are at least two track grooves 11 arranged at intervals from top to bottom. Similarly, the number of track plates 71 is the same as the number of track grooves 11 , and they are set in one-to-one correspondence. Using multiple sets of track plates 71 to cooperate with the track grooves 11 can improve the stability of the rotational cooperation between the swivel base 7 and the casing 1 .

In some embodiments, please refer to FIG. 3 , the driving mechanism is an angle motor 61 .

The angle motor 61 is fixed on the upper part of the through-cavity through a plurality of fixed rods 62 connected in the circumferential direction, and the driving end of the angle motor 61 is coaxial with the through-cavity.

Specifically, the angle motor 61 is called an angle rotation motor. After the angle motor 61 is powered on, it has a driving end that can rotate axially.

The shell circumferential direction of angle motor 61 is equipped with a plurality of fixed rods 62, and a plurality of fixed rods 62 are all horizontally arranged, and one end of fixed rod 62 is welded on the housing of angle motor 61, and the other end of fixed rod 62 is welded on the inside of through hole On the wall, thereby the angle motor 61 is fixed in the through hole.

In some embodiments, please refer to Fig. 3, the middle part of the swivel base 7 is longitudinally provided with a through hole, the driving end of the angle motor 61 is connected with a connecting shaft 63, and the connecting shaft 63 penetrates into the through hole and passes through a plurality of circumferentially connected The connecting rod 66 is fixed in the through hole.

Concretely, the swivel base 7 is a cylindrical structure with a longitudinally opened through hole inside, the connecting shaft 63 is welded or screwed to the driving end of the angle motor 61, the connecting shaft 63 extends downwards and penetrates into the through hole, and the connecting shaft 63 A plurality of connecting rods 66 are provided in the circumferential direction, and a plurality of connecting rods 66 are all inclined downwards. One end of the connecting rod 66 is welded on the connecting shaft 63, and the other end of the connecting rod 66 is welded on the inner sidewall of the through hole, so that the angle motor The driving end of 61 is stably connected with swivel seat 7.

In some embodiments, please refer to FIG. 3 , a protective cover 64 is provided on the top of the housing 1 , and the protective cover 64 is located right above the through cavity.

Concrete, the casing part of angle motor 61 is higher than the through cavity of casing 1, and protective cover 64 is hemispherical cover body, is welded on the top of casing 1, and cover is located at the top of the casing of angle motor 61, can effectively Protect the angle motor 61, reduce the contact between the angle motor 61 and sundries or dust.

In some embodiments, please refer to FIG. 3 , a plurality of cooling holes 65 are opened in the circumferential direction of the protective cover 64 .

Specifically, there are multiple cooling holes 65 uniformly distributed in the circumferential direction of the protective cover 64 . The angle motor 61 can release heat outwards through a plurality of cooling holes 65 , reducing heat accumulation in the casing 1 and preventing the heat accumulated in the casing 1 from being conducted downwards, thereby affecting the normal operation of the ultraviolet imaging component 8 .

Preferably, the cooling holes 65 may adopt strip holes or round holes.

Please refer to Fig. 1 and Fig. 4, the present invention also provides a kind of unmanned aerial vehicle, comprises elevator frame 4, a plurality of elevating wings 5 that are located at the top of elevator frame 4, and the electric inspection that is connected at the bottom of elevator frame 4 with a drone UV imager.

Specifically, a plurality of suspenders 3 are welded or bolted in the circumferential direction of the lifting frame 4, and the lower ends of the plurality of suspenders 3 are welded in the circumferential direction of the casing 1, thereby connecting the above-mentioned UAV ultraviolet imager for power inspection Below the lifting frame 4.

The beneficial effect of the unmanned aerial vehicle provided by the present invention is that compared with the prior art, due to the use of the above-mentioned unmanned aerial vehicle ultraviolet imager for power inspection, it has the same The same beneficial effects will not be repeated here.

In some embodiments, please refer to FIG. 1 , the bottom of the lifting frame 4 is provided with a plurality of foot rods 9 , and the plurality of foot rods 9 are distributed around the circumference. .

Specifically, the outer periphery of the casing 1 is integrally formed or welded with a connecting frame 2, and the connecting frame 2 is a ring structure. The lower ends of the plurality of suspenders 3 are welded in the circumferential direction of the connecting frame 2 , and the upper ends of the plurality of foot rods 9 are connected in the circumferential direction of the connecting frame 2 by means of bolts or welding.

Wherein, the foot bar 9 is inclined outward from top to bottom, and is connected to the connecting frame 2 through the upper end to improve the stability of the connection between the casing 1 and the elevating frame 4 .

The landing gear assembly 10 is connected to the lower end of the foot bar 9 in one-to-one correspondence, which can provide effective support for the drone to take off or land.

In some embodiments, please refer to FIG. 4 , the landing gear assembly 10 includes a ring frame 101 , at least two struts 102 and a pad 103 .

The ring frame 101 is connected to the lower end of the foot rod 9 , and at least two struts 102 are arranged symmetrically inside the ring frame 101 ; the cushion layer 103 is arranged below the ring frame 101 .

Specifically, at least two struts 102 are symmetrically connected in the ring frame 101 , which can improve the stability of the ring frame 101 itself.

The cushion layer 103 is made of elastic material, such as rubber, which can provide a certain buffer for the take-off or landing of the drone and reduce the impact on the ground.

Preferably, the upper part of the ring frame 101 is equipped with a section of buffer rod 104, and the two ends of the buffer rod 104 are connected through flexible joint holes, so that the ring frame 101 has an integral structure.

The buffer bar 104 is made of elastic material, such as rubber, and the buffer bar 104 is used to be connected to the foot bar 9, which can provide a certain buffer for the take-off or landing of the drone and reduce the impact of the foot bar 9.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (8)

1. A kind of unmanned aerial vehicle ultraviolet imager for power inspection, it is characterized in that, comprises: The casing is installed on the lower part of the drone, and the interior of the casing is provided with a longitudinal through cavity; The angle adjustment unit includes a swivel seat arranged at the bottom of the through cavity and a driving mechanism arranged at the upper part of the through cavity, the driving end of the drive mechanism is connected to the swivel seat to drive the swivel seat to rotate in a circumferential direction ; The working unit is installed on the swivel seat and located under the casing, the working unit is used to collect the grid image, and wirelessly sends the collected data to the background working end; A track groove is set in the circumferential direction of the inner wall of the through cavity, the track groove is circular and coaxial with the through cavity; The track plate is arranged in the circumferential direction of the outer wall of the swivel seat, and the track plate is located in the track groove and rotatably matched with the track groove; The driving mechanism is an angle motor; The angle motor is fixed on the upper part of the through-cavity through a plurality of fixed rods connected in the circumferential direction, and the driving end of the angle motor is coaxial with the through-cavity. 2. A kind of unmanned aerial vehicle ultraviolet imager for power inspection as claimed in claim 1, is characterized in that, described working unit comprises: UV imaging components; A wireless communication module, electrically connected to the ultraviolet imaging component; The battery assembly is electrically connected to the ultraviolet imaging assembly and the wireless communication module. 3. A kind of unmanned aerial vehicle ultraviolet imager for electric power inspection as claimed in claim 1, is characterized in that, the middle part of described swivel base is longitudinally provided with through hole, and the driving end of described angle motor is connected with connecting shaft, The connecting shaft penetrates into the through hole and is fixed in the through hole through a plurality of connecting rods connected in the circumferential direction. 4. The UAV ultraviolet imager for electric power inspection according to claim 1, wherein a protective cover is provided on the top of the casing, and the protective cover is located directly above the through cavity. 5. A UAV ultraviolet imager for electric power inspection as claimed in claim 4, wherein a plurality of cooling holes are opened in the circumferential direction of the protective cover. 6. An unmanned aerial vehicle, characterized in that it comprises a lifting frame, a plurality of elevating wings located on the top of the lifting frame, and the bottom wing connected to the lifting frame as claimed in any one of claims 1-5. The above-mentioned UAV UV imager for power inspection. 7. A kind of unmanned aerial vehicle as claimed in claim 6, it is characterized in that, the bottom of described elevating frame is provided with a plurality of foot rods, and a plurality of described foot rods are circumferentially distributed, and described foot rods are from top to bottom to Outward sloped with landing gear assembly on the bottom. 8. A kind of unmanned aerial vehicle as claimed in claim 7, is characterized in that, described landing gear assembly comprises: The ring frame is connected to the lower end of the foot rod, and at least two struts are symmetrically arranged inside the ring frame; The cushion layer is arranged under the ring frame.

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