Unmanned aerial vehicle for line inspection of power grid and working method of unmanned aerial vehicle

Abstract

The invention discloses an unmanned aerial vehicle for line inspection of a power grid and a working method of the unmanned aerial vehicle, and relates to the technical field of power inspection, the unmanned aerial vehicle comprises an unmanned aerial vehicle body with a camera box at the bottom, and a partition plate is fixedly connected in the camera box; the number of the flying mechanisms is two, and the two flying mechanisms are arranged on the two sides of the unmanned aerial vehicle body correspondingly; the multiple sets of supporting mechanisms are arranged, and every two sets of supporting mechanisms are arranged on each set of flying mechanism; and the camera mechanism is arranged in the unmanned aerial vehicle body. According to the unmanned aerial vehicle for line inspection of the electric power grid, through use of the camera shooting mechanism, the unmanned aerial vehicle can stretch out and draw back, the position of a camera is changed, the use effect is guaranteed, the safety in the use process is improved, the structure is simple, use is easy and convenient, and the unmanned aerial vehicle for line inspection of the electric power grid is convenient to clean through use of the cleaning mechanism. And the camera can be cleaned, so that the camera is prevented from being influenced by dust, the effectiveness in the use process is improved, and the detection effect is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of electric power inspection, and in particular to an unmanned aerial vehicle for line inspection of an electric power grid and a working method thereof. Background Art

[0002] Power inspection refers to monitoring and maintaining the status and defects of electrical equipment during production and operation, and sending a signal to the dispatching department to request power supply to be stopped when an abnormality occurs. Power inspection is an activity to ensure the safe operation of the power grid and user power supply and distribution system, prevent, discover and promptly deal with potential accidents. It is a regular or irregular test of power distribution equipment and lines.

[0003] The authorization publication number "CN218368298U" records "a UAV for power grid inspection, including a body, a frame and a power device that drives the frame to fly; an image transmission system, arranged at the bottom of the frame, for inspecting the power grid and transmitting the inspection information to the terminal device; a landing device, arranged at the top of the frame, and the landing device is opened from the top of the frame to slow down the descent of the frame during landing; a control system, for controlling the flight state of the power device and starting the landing device to slow down the descent of the frame. When the UAV is landing, the landing device is started, and the UAV is slowed down by the landing device, which eliminates the need for a taxiing recovery site, and effectively avoids collisions with power grid lines and poles during the taxiing recovery process, thereby improving the safety of UAV power inspections."

[0004] The above patent uses a landing device to slow down the descent of the drone, eliminating the need for a taxiing recovery site and effectively avoiding collisions with power grid lines and poles during the taxiing recovery process, thereby improving the safety of drone power inspections. However, during use, the visible light camera and thermal imager cannot be protected and cleaned to improve their effectiveness during use. Summary of the invention

[0005] The present invention provides a drone for line inspection of an electric power grid and a working method thereof. Through the use of a camera mechanism, the drone can be extended and retracted to change the position of the camera, thereby ensuring the use effect and improving the safety during use. In addition, the drone has a simple structure and is easy to use. Through the use of a cleaning mechanism, the camera can be cleaned to prevent dust from affecting the camera, thereby improving the effectiveness during use and ensuring the detection effect.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A drone for line inspection of a power grid, comprising:

[0007] A drone body with a camera box at the bottom, wherein a partition is fixedly connected to the camera box;

[0008] The flying mechanism is provided with two groups, and the two groups of the flying mechanism are respectively provided on both sides of the drone body;

[0009] A supporting mechanism, which is provided in multiple groups, and every two groups of the supporting mechanisms are provided on each group of the flying mechanism;

[0010] A camera mechanism is provided in the drone body and is used for line inspection. The camera mechanism includes a position control component, a mobile control seat and a camera. The mobile control seat is slidably connected to the drone body, the camera is fixedly connected to the mobile control seat, the position control component is provided in the drone body, and the position control component is connected to the mobile control seat; and

[0011] A cleaning mechanism is arranged in a camera box and is used for cleaning the camera. The cleaning mechanism comprises a positioning component and two cleaning rods. Slide grooves are provided on both upper and lower sides of one end in the camera box. Both ends of each cleaning rod are respectively slidably connected in the slide groove. The positioning component is arranged in the camera box and is connected to the two cleaning rods.

[0012] Furthermore, each set of the flight mechanism includes a support rod, a connecting rod and two lifting blades. The support rod is fixedly connected to one side of the outer surface of the drone body, the connecting rod is installed at one end of the support rod, and the two lifting blades are respectively fixedly connected to the two ends of the connecting rod.

[0013] Furthermore, each group of the supporting mechanisms includes a supporting leg and a supporting leg lifting cylinder, one end of the supporting leg is rotatably connected to one end of the connecting rod, one end of the supporting leg lifting cylinder is rotatably connected to the connecting rod, and the other end of the supporting leg lifting cylinder is rotatably connected to the supporting leg.

[0014] Furthermore, the position control component is a position adjusting cylinder, the position adjusting cylinder is fixedly connected to the drone body, and the output end of the position adjusting cylinder is fixedly connected to the mobile control seat.

[0015] Furthermore, the positioning component includes a driving motor, two bidirectional positioning screws and a synchronization component, each of the bidirectional positioning screws is rotatably connected in each slide slot, the driving motor is fixedly connected in the camera box, and the output end of the driving motor is fixedly connected to one end of one of the bidirectional positioning screws.

[0016] Furthermore, the synchronous component includes a synchronous toothed belt and two synchronous gears, each of the synchronous gears is fixedly connected to one end of each bidirectional adjustment screw, the synchronous toothed belt is sleeved on the two synchronous gears, and the synchronous toothed belt and the two synchronous gears are meshed with each other.

[0017] The working method of the drone used for line inspection of the power grid comprises the following steps:

[0018] The first step is to start the drone, and the lifting blades drive the drone to the target location;

[0019] In the second step, the driving motor controls the rotation of the two-way adjusting screw rods, and the two two-way adjusting screw rods are rotated synchronously through two synchronous gears and synchronous toothed belts, thereby controlling the two cleaning rods to move closer to or farther from each other to clean the camera;

[0020] In the third step, the driving motor drives the cleaning rod to reset, and the adjusting cylinder drives the camera to extend out of the camera box to work by moving the control seat;

[0021] Step 4: After the camera has finished working, the positioning cylinder drives the camera to reset.

[0022] The present invention provides a drone for line inspection of power grids. It has the following beneficial effects:

[0023] (1) The drone used for line inspection of the power grid can be extended and retracted by using a camera mechanism to change the position of the camera, thereby ensuring the use effect and improving the safety during use. In addition, the drone has a simple structure and is easy to use.

[0024] (2) The drone used for line inspection of the power grid can clean the camera through the use of a cleaning mechanism to prevent dust from affecting the camera, thereby improving the effectiveness during use and ensuring the effect of detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a partial cross-sectional view of the present invention;

[0026] Figure 2 A perspective view of the present invention;

[0027] Figure 3 It is a partial cross-sectional view of the camera box of the present invention;

[0028] Figure 4 It is a stereoscopic diagram of a camera box of the present invention.

[0029] In the figure: 1. UAV body; 2. Connecting rod; 3. Support rod; 4. Lifting blade; 5. Leg lifting cylinder; 6. Support leg; 7. Partition; 8. Mobile control seat; 9. Synchronous belt; 10. Camera; 11. Adjustment cylinder; 12. Camera box; 13. Cleaning rod; 14. Synchronous gear; 15. Drive motor; 16. Slide; 17. Bidirectional adjustment screw. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] See also Figure 1-Figure 4 The present invention provides a technical solution: a drone for line inspection of a power grid, comprising:

[0032] A drone body 1 is provided with a camera box 12 at the bottom, and a partition 7 is fixedly connected to the camera box 12;

[0033] The flying mechanism is provided with two groups, and the two groups of flying mechanisms are respectively provided on both sides of the drone body 1;

[0034] A supporting mechanism, which is provided in multiple groups, with two groups of supporting mechanisms being provided on each group of flying mechanisms;

[0035] A camera mechanism is provided in the drone body 1 and is used for line inspection. The camera mechanism includes a position control component, a mobile control seat 8 and a camera 10. The mobile control seat 8 is slidably connected to the drone body 1. The camera 10 is fixedly connected to the mobile control seat 8. The position control component is provided in the drone body 1 and is connected to the mobile control seat 8; and

[0036] The cleaning mechanism is arranged in the camera box 12 and is used for cleaning the camera 10. The cleaning mechanism includes a positioning component and two cleaning rods 13. Slide grooves 16 are provided on the upper and lower sides of one end of the camera box 12. Both ends of each cleaning rod 13 are respectively slidably connected to the slide groove 16. The positioning component is arranged in the camera box 12, and the positioning component is connected to the two cleaning rods 13.

[0037] In this embodiment: the mobile control seat 8 ensures the use of the camera 10, and it belongs to the application of the prior art, which is not described in detail here. The two cleaning rods 13 clean the camera 10 to ensure the use effect. There is a pneumatic device in the cleaning rod 13, which cleans the camera 10 through the airflow to complete the use. A plurality of air holes are evenly opened on the side of the cleaning rod 13 facing the camera 10. The air pressure device sprays the airflow from the air holes, and the airflow impacts the surface of the camera 10, thereby completing the cleaning of the surface of the camera 10. The air pressure device is a prior art. In this embodiment, a pneumatic device is provided, which includes a small high-pressure gas tank and a nozzle. An installation cavity is set in the cleaning rod 13. The small high-pressure gas tank and the nozzle are fixedly installed in the installation cavity, and the nozzle is set corresponding to the air hole. The nozzle and the small high-pressure gas tank are connected to the nozzle through a pipeline, and a control valve is installed on the pipeline. The control valve, drive motor, position adjustment cylinder, and drone are all remotely controlled by a remote controller.

[0038] Specifically, each flight mechanism includes a support rod 3, a connecting rod 2 and two lifting blades 4. The support rod 3 is fixedly connected to one side of the outer surface of the drone body 1, the connecting rod 2 is installed at one end of the support rod 3, and the two lifting blades 4 are fixedly connected to the two ends of the connecting rod 2 respectively.

[0039] In this embodiment, the support rod 3 , the connecting rod 2 and the two lifting blades 4 cooperate with each other to realize the use of the drone body 1 .

[0040] Specifically, each support mechanism includes a support leg 6 and a leg lifting cylinder 5, one end of the support leg 6 is rotatably connected to one end of the connecting rod 2, one end of the leg lifting cylinder 5 is rotatably connected to the connecting rod 2, and the other end of the leg lifting cylinder 5 is rotatably connected to the support leg 6.

[0041] In this embodiment: the model of the outrigger lifting cylinder 5 can be selected from those available on the market as needed, and no further details will be given here. The support is adjusted by extending and retracting the outrigger lifting cylinder 5 and rotating the support leg 6 on the connecting rod 2.

[0042] Specifically, the position control component is a position adjusting cylinder 11 , which is fixedly connected to the drone body 1 , and an output end of the position adjusting cylinder 11 is fixedly connected to the mobile control seat 8 .

[0043] In this embodiment, the model of the positioning cylinder 11 can be selected from those available on the market as needed, and no further details are given here. By extending and retracting the positioning cylinder 11, the mobile control seat 8 is controlled to move in the camera box 12 to complete the use.

[0044] Specifically, the positioning component includes a driving motor 15, two bidirectional positioning screws 17 and a synchronization component. Each bidirectional positioning screw 17 is rotatably connected to each slide groove 16. The top and bottom ends of the cleaning rod 13 are threadedly connected to the bidirectional positioning screw 17. The driving motor 15 is fixedly connected to the camera box 12, and the output end of the driving motor 15 is fixedly connected to one end of one of the bidirectional positioning screws 17.

[0045] In this embodiment, the model of the driving motor 15 can be selected from those available on the market as needed, which will not be described in detail here. The driving motor 15 controls one of the two-way adjustment screws 17 to rotate, thereby realizing the movement of the two cleaning rods 13.

[0046] Specifically, the synchronous components include a synchronous belt 9 and two synchronous gears 14 , each synchronous gear 14 is fixedly connected to one end of each bidirectional adjustment screw 17 , the synchronous belt 9 is sleeved on the two synchronous gears 14 , and the synchronous belt 9 and the two synchronous gears 14 are meshed with each other.

[0047] In this embodiment, the two synchronous gears 14 have the same size, and the two synchronous gears 14 are controlled by the synchronous belt 9 to rotate synchronously, so that the two bidirectional adjustment screws 17 can rotate synchronously.

[0048] When in use, the lifting and lowering of the drone body 1 is controlled by the lifting blades 4. During use, the positioning cylinder 11 controls the position of the mobile control seat 8, and then controls the movement of the camera 10 to complete the inspection. After use, the positioning cylinder 11 contracts, allowing the camera 10 to enter the camera box 12 for protection, and the two-way positioning screw 17 is controlled to rotate by the driving motor 15. The two two-way positioning screws 17 are rotated synchronously through the two synchronous gears 14 and the synchronous toothed belt 9, and the two cleaning rods 13 are controlled to move closer or farther away from each other, so as to clean the camera 10 and complete the use.

[0049] The control method of the present invention is to control by manually starting and closing the switch. The wiring diagram of the power element and the provision of power supply are common knowledge in the field, and the present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and wiring layout in detail.

[0050] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A drone for line inspection of power grid, characterized in that: include: A drone body (1) is provided with a camera box (12) at the bottom, wherein a partition plate (7) is fixedly connected inside the camera box (12); A flying mechanism, which is provided with two groups, and the two groups of flying mechanisms are respectively provided on both sides of the drone body (1); A supporting mechanism, which is provided in multiple groups, and every two groups of the supporting mechanisms are provided on each group of the flying mechanism; A camera mechanism is provided in an unmanned aerial vehicle body (1) and is used for line inspection. The camera mechanism comprises a position control component, a mobile control seat (8) and a camera (10). The mobile control seat (8) is slidably connected to the unmanned aerial vehicle body (1), the camera (10) is fixedly connected to the mobile control seat (8), the position control component is provided in the unmanned aerial vehicle body (1), and the position control component is connected to the mobile control seat (8); and A cleaning mechanism is arranged in a camera box (12) and is used for cleaning a camera head (10). The cleaning mechanism comprises a positioning component and two cleaning rods (13). A slide groove (16) is provided on both upper and lower sides of one end of the camera box (12). Both ends of each cleaning rod (13) are respectively slidably connected to the slide groove (16). The positioning component is arranged in the camera box (12), and the positioning component is connected to the two cleaning rods (13).

2. A drone for line inspection of a power grid according to claim 1, characterized in that: Each group of the flight mechanism comprises a support rod (3), a connecting rod (2) and two lifting blades (4); the support rod (3) is fixedly connected to one side of the outer surface of the drone body (1); the connecting rod (2) is installed at one end of the support rod (3); and the two lifting blades (4) are respectively fixedly connected to the two ends of the connecting rod (2).

3. The UAV for line inspection of a power grid according to claim 2, characterized in that: Each group of the supporting mechanisms comprises a supporting leg (6) and a supporting leg lifting cylinder (5), one end of the supporting leg (6) is rotatably connected to one end of the connecting rod (2), one end of the supporting leg lifting cylinder (5) is rotatably connected to the connecting rod (2), and the other end of the supporting leg lifting cylinder (5) is rotatably connected to the supporting leg (6).

4. The UAV for line inspection of a power grid according to claim 3, characterized in that: The position control component is a position adjustment cylinder (11), the position adjustment cylinder (11) is fixedly connected to the drone body (1), and the output end of the position adjustment cylinder (11) is fixedly connected to the mobile control seat (8).

5. The UAV for line inspection of a power grid according to claim 4, characterized in that: The positioning component comprises a driving motor (15), two bidirectional positioning screws (17) and a synchronization component, each of the bidirectional positioning screws (17) is rotatably connected to each slide slot (16), the driving motor (15) is fixedly connected to the camera box (12), and the output end of the driving motor (15) is fixedly connected to one end of one of the bidirectional positioning screws (17).

6. The UAV for line inspection of a power grid according to claim 5, characterized in that: The synchronous component comprises a synchronous toothed belt (9) and two synchronous gears (14), each of the synchronous gears (14) is fixedly connected to one end of each bidirectional adjustment screw (17), the synchronous toothed belt (9) is sleeved on the two synchronous gears (14), and the synchronous toothed belt (9) and the two synchronous gears (14) are meshed with each other.

7. The working method of the drone for line inspection of the power grid according to any one of claims 1 to 6, characterized in that: The following steps are involved: The first step is to start the drone, and the lifting blades (4) drive the drone to the target position; In the second step, the driving motor (15) controls the two-way adjusting screw (17) to rotate, and the two two-way adjusting screws (17) are rotated synchronously through the two synchronous gears (14) and the synchronous toothed belt (9), thereby controlling the two cleaning rods (13) to move closer to or farther from each other, and cleaning the camera (10); In the third step, the driving motor (15) drives the cleaning rod (13) to reset, and the positioning cylinder (11) drives the camera (10) to extend out of the camera box (12) to work through the moving control seat (8); In the fourth step, after the camera (10) has finished working, the positioning cylinder (11) drives the camera (10) to reset.

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