Remotely controllable unmanned aerial vehicle lighting equipment for civil engineering

Abstract

The invention discloses remotely-controllable unmanned aerial vehicle lighting equipment for civil engineering, and belongs to the technical field of unmanned aerial vehicle lighting. A lighting lamp body is fixed to the upper portion of a lighting lamp charging panel, and the lower side of the lighting lamp charging panel is connected with an unmanned aerial vehicle base; the edge of the unmanned aerial vehicle base is connected with a plurality of rotor wing assemblies through a connecting frame, and the rotor wing assemblies are used for providing flight power for the unmanned aerial vehicle lighting equipment; the unmanned aerial vehicle base is provided with a photovoltaic module, and the photovoltaic module is used for converting light energy into electric energy so as to provide power for operation of the unmanned aerial vehicle lighting equipment; the lower portion of the unmanned aerial vehicle base is connected with a camera shooting assembly which is used for monitoring surrounding images or video information of the unmanned aerial vehicle lighting equipment. The positioning assembly is connected to the upper portion of the lighting lamp charging panel and used for monitoring the flight path and position of the unmanned aerial vehicle lighting equipment. The problems that in the prior art, flexibility, maneuverability and safety are poor, and civil engineering field operation requirements cannot be met are solved.

Description

Technical Field

[0001] The present invention relates to unmanned aerial vehicle lighting equipment, and in particular to unmanned aerial vehicle lighting equipment for civil engineering that can be remotely controlled. Background Art

[0002] In the field of civil engineering, projects such as large-scale construction sites, bridge construction, road construction and maintenance, and underground pipeline laying often face complex and changing lighting environment challenges. When working at night or in dimly lit areas, sufficient, flexible and controllable lighting becomes a key factor in ensuring project progress and construction safety.

[0003] Traditional civil engineering lighting equipment is fixed and installed, such as tower lighting towers. Once the position is determined, it is difficult to adjust quickly, resulting in a limited lighting area and the inability to make timely changes according to the dynamic changes in the construction process. Portable lighting equipment, such as mobile lighting vehicles, such as patent CN202220311026, has a certain degree of mobility, but when facing large construction sites or complex terrain, its range of movement and flexibility are still insufficient, and it needs to be manually pushed to the designated position, which consumes a lot of manpower and time costs. At the same time, for some construction sites in remote areas, rugged terrain (such as bridge construction in mountain canyons) or with safety hazards (such as dangerous areas near deep foundation pits, high slopes, etc.), manual deployment and operation of lighting equipment is not only difficult, but also exposes operators to potential risks, increasing the possibility of safety accidents.

[0004] The other type is portable lighting fixtures, such as handheld flashlights and movable floodlights. The advantage of this type of lamp is that it has a certain degree of flexibility and can be moved to different locations for lighting by construction workers as needed. However, in actual civil engineering application scenarios, its limitations are becoming increasingly prominent. In large-scale construction sites, relying on frequent manual handling of lamps to adjust the lighting area requires a lot of manpower and is inefficient. Especially for some complex terrain areas, such as road construction sites in mountains, bridge pier construction areas in the middle of rivers during bridge construction, or construction sites with hidden dangers (such as deep pits, unstable slopes), manual handling of lamps is not only inconvenient to operate, but also puts construction workers in a dangerous environment, greatly increasing safety risks.

[0005] In addition, with the continuous expansion of the scale of civil engineering and the increasing complexity of construction technology, the requirements for precise control of light intensity, light range and lighting angle are becoming increasingly higher. Traditional lighting equipment often cannot meet these diverse and sophisticated lighting needs, and cannot achieve rapid switching and flexible deployment between large-area lighting and local key area lighting. For example, in the concrete pouring operation of a large building, both large-area basic lighting is required to ensure the visibility of the entire construction site, and local strong light illumination is required on the pouring site to facilitate precise operation by construction workers.

[0006] Existing civil engineering lighting equipment has many limitations in terms of flexibility, maneuverability, safety, and precise control of lighting effects. It is necessary to develop a remotely controlled civil engineering drone lighting technology solution. Summary of the invention

[0007] To this end, the present invention provides a remotely controlled unmanned aerial vehicle lighting device for civil engineering, which solves the problems of poor flexibility, maneuverability and safety of traditional technologies and the inability to meet the needs of on-site operations in civil engineering.

[0008] In order to achieve the above-mentioned object, the present invention provides the following technical solutions: a remotely controllable unmanned aerial vehicle lighting device for civil engineering, comprising a lighting lamp body, a lighting lamp charging plate, a unmanned aerial vehicle base, a rotor assembly, a photovoltaic assembly, a camera assembly and a positioning assembly; The lighting lamp body is fixed to the upper part of the lighting lamp charging plate, and the lower side of the lighting lamp charging plate is connected to the drone base; The edge of the drone base is connected to a plurality of the rotor assemblies via a connecting frame, and the rotor assemblies are used to provide flight power for the drone lighting equipment; The drone base is provided with the photovoltaic assembly, which is used to convert light energy into electrical energy to provide power for the operation of the drone lighting equipment; The lower part of the drone base is connected to the camera assembly, and the camera assembly is used to monitor the surrounding image or video information of the drone lighting equipment; The positioning component is connected to the upper part of the lighting lamp charging plate, and the positioning component is used to monitor the flight trajectory and position of the unmanned aerial vehicle lighting equipment.

[0009] As a preferred solution for remotely controlled civil engineering drone lighting equipment, the lighting lamp body includes a convex lens, a lighting head cover, a barrel, a flat lens, a reflective cup, a lighting back cover and an electromagnetic receiving module; The convex lens is arranged inside the lighting head cover; the lighting head cover and the barrel are screwed together to form the main frame of the lighting lamp body; The flat lens is fixed to the front end of the reflective cup, and a light source is provided at the front end of the lighting rear cover; the lighting rear cover is connected to the electromagnetic receiving module, and the lighting rear cover is also provided with a heat dissipation fan; The light emitted by the light source is reflected by the reflective cup and then emitted through the flat lens and the convex lens to provide lighting for the engineering site.

[0010] As a preferred solution for remotely controllable civil engineering drone lighting equipment, the lighting lamp charging board includes a top cover, an electromagnetic transmitting module and a charging protective shell; The lower part of the lighting lamp charging plate is connected to the battery pack inside the drone base and powered, and the electromagnetic transmitting module cooperates with the electromagnetic receiving module to supply energy to the lighting lamp body.

[0011] As a preferred solution for remotely controlled civil engineering UAV lighting equipment, the rotor assembly includes a blade body, a blade rotation shaft and a blade drive motor; The blade is connected to the outer end of the blade rotating shaft, and the end of the blade rotating shaft is connected to the power output shaft of the blade driving motor; The blade drive motor controls the rotation speed of the blade body according to the flight control command issued by the user, so that the UAV lighting device can adjust its posture in the air; A rotor protection shell is also provided on the periphery of the rotor assembly, and the rotor protection shell is connected to the connecting frame.

[0012] As a preferred solution for remotely controllable civil engineering UAV lighting equipment, the blade drive motor includes a motor housing, a stator, a rotor, a motor rear end cover and a central shaft; The motor housing is made of aluminum alloy and is provided with heat dissipation fins; the stator and the rotor are arranged inside the motor housing; the stator is formed by stacking multiple layers of silicon steel sheets, and the stator is annular and surrounds the outside of the rotor; The surface of the silicon steel sheet of the stator has evenly distributed teeth and slots for winding the coil winding; the coil winding adopts a three-phase winding method and is evenly distributed in the teeth and slots of the stator; the coil winding is formed by winding enameled wire, and the coil winding has a set number of turns and wire diameter; The rotor includes a permanent magnet, a brush, a rotor core and a rotor coil; the brush is a component for connecting the rotor coil with an external circuit, and transmits current to the rotor coil during high-speed rotation of the rotor to generate electromagnetic force in the magnetic field environment constructed by the rotor core; the rotor coil interacts with the magnetic field of the permanent magnet to enable the rotor to obtain initial rotational power; The permanent magnets are made of rare earth permanent magnet materials and are evenly distributed along the circumferential direction of the rotor core; The rotor core is fixed on the central shaft, and when the rotor rotates, the central shaft transmits the generated power to the blade body; During the operation of the blade drive motor, a preset gap is maintained between the rotor and the stator; the rotor is connected to the rear end cover of the motor through an interference fit.

[0013] As a preferred solution for remotely controllable civil engineering drone lighting equipment, the camera assembly includes fixing screws, a fixing plate, a camera bracket, a camera battery, an adjustment arm and a camera body; The fixing plate is connected to the drone base via the fixing screws, the camera bracket is connected below the fixing plate, the camera battery is mounted on the back of the camera bracket, and the camera bracket is hinged to the camera body via the two adjusting arms.

[0014] As a preferred solution for remotely controllable civil engineering drone lighting equipment, the photovoltaic component includes a solar panel, which converts the received solar energy into electrical energy. The converted electrical energy is transmitted to the battery pack of the drone base through a charging controller for storage.

[0015] As a preferred solution for remotely controllable civil engineering UAV lighting equipment, it also includes a parking rack connected to the lower edge of the UAV base; the height of the parking rack is greater than the height of the camera assembly.

[0016] As a preferred solution for remotely controllable civil engineering UAV lighting equipment, a flight altitude control model is constructed according to the preset lighting site area and the lighting parameters of the lighting lamp body. The formula of the flight altitude control model is: ; ; In the formula, The flight height of the drone lighting equipment. is the preset lighting area. is the beam divergence angle of the lighting lamp body; It is the lighting radius of the lighting lamp.

[0017] As a preferred solution for remotely controllable civil engineering UAV lighting equipment, it also includes optimizing and adjusting the flight altitude control model in combination with the influence of ambient light. The formula of the optimized and adjusted flight altitude control model is: ; ; In the formula, is the actual required lighting intensity, is the minimum required lighting intensity; is the ambient light intensity.

[0018] The present invention has the following advantages:

[0019] The present invention uses a drone equipped with lighting equipment, which can be remotely controlled to reach a designated location. The operator does not need to be in a dangerous environment to operate. At the same time, its wireless power supply method reduces line-related safety hazards. The operator can accurately control the flight and avoid obstacles in time to ensure stable operation of the equipment, which greatly improves the safety during use. The present invention can output high-quality lighting light, which can have good effects whether it is close-range construction detail lighting or long-range large-area lighting, and can adjust the wireless charging transmission power to adjust the lighting intensity of the lighting lamp, which can better meet the requirements of precise lighting control in different construction links; The present invention can convert solar energy into electrical energy and store it in a battery pack when there is sufficient sunlight, thereby reducing dependence on external power sources, improving endurance and energy self-sufficiency at outdoor civil engineering construction sites, and enhancing the practicability and environmental friendliness of the equipment. The present invention is based on the flexible mobility of the drone, and can quickly and conveniently move its position at the construction site according to the construction progress and needs, thereby improving the mobility and utilization efficiency of the equipment and reducing related costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0021] Figure 1 A schematic diagram of a first-person perspective stereoscopic structure of a remotely controllable civil engineering drone lighting device provided in an embodiment of the present invention; Figure 2 A schematic diagram of a second-angle stereoscopic structure of a remotely controllable civil engineering UAV lighting device provided in an embodiment of the present invention; Figure 3 This is a schematic diagram of an exploded view of a lighting lamp body of a remotely controllable civil engineering drone lighting device provided in an embodiment of the present invention; Figure 4 This is a schematic diagram of the structure of a remotely controllable lighting lamp charging board for a civil engineering drone lighting device provided in an embodiment of the present invention; Figure 5 This is a schematic diagram of an electromagnetic receiving module of a remotely controllable civil engineering UAV lighting device provided in an embodiment of the present invention; Figure 6 The position relationship between the electromagnetic coil and the ferrite core annular array inside the electromagnetic receiving module provided in the embodiment of the present invention; Figure 7 A three-dimensional schematic diagram of a rotor assembly of a remotely controllable civil engineering UAV lighting device provided in an embodiment of the present invention; Figure 8 This is a schematic diagram of an exploded view of a rotor assembly of a remotely controllable civil engineering UAV lighting device provided in an embodiment of the present invention; Fig. 9 This is a schematic diagram of the rotor structure of a remotely controllable civil engineering UAV lighting device provided in an embodiment of the present invention; Fig.10 This is a schematic diagram of the structure of a camera assembly of a remotely controllable civil engineering UAV lighting device provided in an embodiment of the present invention.

[0022] In the figure, 1. lighting body; 2. lighting charging board; 3. drone base; 4. rotor assembly; 5. photovoltaic assembly; 6. camera assembly; 7. positioning assembly; 8. convex lens; 9. lighting head cover; 10. barrel; 11. flat lens; 12. reflective cup; 13. lighting back cover; 14. electromagnetic receiving module; 15. cooling fan; 16. ferrite core ring array; 17. magnetic induction coil; 18. top cover; 19. electromagnetic transmitting module; 20. charging protective shell; 21. propeller Blade body; 22, blade rotation axis; 23, blade drive motor; 24, motor housing; 25, stator; 26, rotor; 27, motor rear end cover; 28, center axis; 29, fixing screws; 30, fixing plate; 31, camera bracket; 32, camera battery; 33, adjustment arm; 34, camera body; 35, solar panel; 36, parking rack; 37, connecting rack; 38, rotor protective shell; 39, permanent magnet; 40, brush; 41, rotor core; 42, rotor coil. DETAILED DESCRIPTION

[0023] The following is a description of the implementation of the present invention by specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. 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.

[0024] See also Figure 1 and Figure 2, an embodiment of the present invention provides a remotely controllable civil engineering drone lighting device, comprising a lighting lamp body 1, a lighting lamp charging plate 2, a drone base 3, a rotor assembly 4, a photovoltaic assembly 5, a camera assembly 6 and a positioning assembly 7; Among them, the lighting lamp body 1 is fixed on the upper part of the lighting lamp charging plate 2, and the lower side of the lighting lamp charging plate 2 is connected to the drone base 3; the edge of the drone base 3 is connected to a plurality of rotor assemblies 4 through a connecting frame 37, and the rotor assemblies 4 are used to provide flight power for the drone lighting equipment; the drone base 3 is provided with a photovoltaic assembly 5, and the photovoltaic assembly 5 includes a solar panel 35, and the solar panel 35 converts the received solar energy into electrical energy, and the converted electrical energy is transmitted to the battery pack of the drone base 3 through a charging controller for storage to provide power for the operation of the drone lighting equipment; the lower part of the drone base 3 is connected to the camera assembly 6, and the camera assembly 6 is used to monitor the surrounding images or video information of the drone lighting equipment; the positioning assembly 7 is connected to the upper part of the lighting lamp charging plate 2, and the positioning assembly 7 is used to monitor the flight trajectory and position of the drone lighting equipment.

[0025] Specifically, when working, the rotor assembly 4 rotates to generate lift and power, so that the entire UAV lighting equipment can fly in the air. The photovoltaic assembly 5 can convert light energy into electrical energy, provide power support for the operation of the UAV lighting equipment, or charge the battery to store energy. The camera assembly 6 is used to shoot and record relevant image or video information. The positioning assembly 7 can obtain the location information of the equipment in real time so as to accurately control and monitor its flight trajectory and position. The lighting body 1 is used to provide lighting functions. When the equipment is needed for lighting operations, the UAV lighting equipment takes off and adjusts the flight attitude and position by controlling the rotation speed and direction of the rotor assembly 4. The lighting light illuminates the target area, the camera assembly 6 performs shooting at the same time, and the positioning assembly 7 continuously feeds back the position information to ensure that the equipment accurately reaches the specified position and works stably.

[0026] See also Figure 3 In this embodiment, the lighting lamp body 1 includes a convex lens 8, a lighting head cover 9, a barrel 10, a plane lens 11, a reflective cup 12, a lighting rear cover 13 and an electromagnetic receiving module 14; the convex lens 8 is arranged inside the lighting head cover 9; the lighting head cover 9 and the barrel 10 are screwed together to form the main frame of the lighting lamp body 1; the plane lens 11 is fixed to the front end of the reflective cup 12, and a light source is provided at the front end of the lighting rear cover 13; the lighting rear cover 13 is connected to the electromagnetic receiving module 14, and the lighting rear cover 13 is also provided with a cooling fan 15; the light emitted by the light source is reflected by the reflective cup 12, and then emitted through the plane lens 11 and the convex lens 8 to provide lighting for the engineering site.

[0027] Specifically, the lighting lamp body 1 is the core light-emitting component of the entire UAV lighting equipment, wherein the plane lens 11 is precisely arranged at the front end of the light source. Such a layout can play a preliminary role in reflecting and adjusting the light emitted by the light source, so that the light can be distributed according to the expected angle in the initial stage of forward propagation, which is helpful for the subsequent formation of a more uniform and regular light spot. The convex lens 8 is installed at the lighting head cover 9. The optical properties of the convex lens 8 can further diffuse the light, converge and scatter the light reflected and adjusted by the plane lens 11 and directly emitted from the light source, so that the lighting light can be evenly distributed over a larger range, and at the same time ensure that the center of the light spot is always illuminated by light of sufficient intensity, avoiding the situation where the center of the light spot is too dark or the light is too scattered, resulting in poor lighting effect. The lighting lamp body 1 can output high-quality lighting light to meet the diverse lighting needs of different distances, angles and ranges at civil engineering construction sites, whether it is clear lighting of construction details at close range or effective coverage of large-area construction areas at long distances, good results can be achieved.

[0028] See also Figure 4 , Figure 5 and Figure 6 In this embodiment, the lighting lamp charging board 2 includes a top cover 18, an electromagnetic transmitting module 19 and a charging protective shell 20; the lower part of the lighting lamp charging board 2 is connected to the battery pack inside the drone base 3 and powered, and the electromagnetic transmitting module 19 cooperates with the electromagnetic receiving module 14 to supply energy to the lighting lamp body 1.

[0029] Specifically, the battery pack inside the drone base 3 provides electrical energy for the lighting lamp charging board 2. The electromagnetic transmitting module 19 in the lighting lamp charging board 2 converts electrical energy into electromagnetic energy and transmits it. When the electromagnetic receiving module 14 on the lighting lamp body 1 is close to the charging board, it can receive the electromagnetic energy emitted by the electromagnetic transmitting module 19 and convert it back into electrical energy, thereby supplying energy to the lighting lamp body 1. The top cover 18 and the charging protective shell 20 serve to protect the internal electromagnetic transmitting module 19 and other components from external interference and damage. During the flight of the drone, as long as the lighting lamp body 1 and the lighting lamp charging board 2 remain within an effective distance, the transmission of electromagnetic energy can continue, providing a stable power supply for the lighting lamp body 1.

[0030] Among them, the electromagnetic receiving module 14 includes a ferrite core annular array 16 and a magnetic induction coil 17. The magnetic induction coil 17 is wound on the inner side of the ferrite core annular array 16. During the assembly process of the electromagnetic receiving module 14, the ferrite core annular array 16 is first arranged according to the design requirements and fixed on the internal bracket of the electromagnetic receiving module 14 to ensure that the position of each annular unit is accurate and stable. Then the magnetic induction coil 17 is tightly wound on the inner side of the ferrite core annular array 16, and the lead wire of the magnetic induction coil 17 is connected to ensure reliable electrical connection and good insulation. Then the heat dissipation fan 15 is installed on the reserved position of the shell of the electromagnetic receiving module 14, and the power cord of the heat dissipation fan 15 is connected to make it compatible with the power supply or control circuit of the electromagnetic receiving module 14. Finally, the electromagnetic receiving module 14 is installed inside the lighting fixture or at a suitable position close to the electromagnetic transmitting end, so that the magnetic induction coil 17 and the ferrite core annular array 16 are within the effective coverage range of the magnetic field of the electromagnetic transmitting end. When the electromagnetic transmitting module 19 transmits an alternating magnetic field, the ferrite core annular array 16 gathers the magnetic field, and the magnetic induction coil 17 generates an induced electromotive force, which, after being processed by circuits such as rectification, filtering and voltage stabilization, provides a stable DC power supply for the lighting lamp body 1, thereby realizing charging and powering the lighting lamp body 1. By adjusting the power supply intensity of the electromagnetic transmitting module 19, the intensity of the transmitting magnetic field can be changed, thereby changing the magnetic field energy received by the electromagnetic receiving module 14, thereby realizing the regulation of the intensity of the lighting light. During the operation of the device, the heat dissipation fan 15 automatically operates according to the temperature of the electromagnetic receiving module 14, dissipates the internal heat in time, maintains the device within a suitable operating temperature range, and ensures its long-term stable operation.

[0031] See also Figure 7 , Figure 8 and Fig. 9 In this embodiment, the rotor assembly 4 includes a blade body 21, a blade rotating shaft 22 and a blade driving motor 23; the blade is connected to the outer end of the blade rotating shaft 22, and the end of the blade rotating shaft 22 is connected to the power output shaft of the blade driving motor 23; the blade driving motor 23 controls the rotation speed of the blade body according to the flight control command issued by the user, so that the UAV lighting equipment can adjust its posture in the air.

[0032] Specifically, the blade body 21 is made of high-strength lightweight composite material, which reduces the overall weight of the equipment and enhances durability while providing sufficient lift; the blade rotating shaft 22 is made of stainless steel, with a diameter of 1-2 cm, and the surface is treated with rust and wear resistance. It is tightly connected to the output shaft of the blade drive motor 23, and the coaxiality error of the connection part does not exceed 0.1 mm, ensuring smooth and reliable rotation and reducing the influence of shaft shaking on flight stability; the blade drive motor 23 can accurately adjust the blade speed according to the flight control command to achieve the aerial attitude adjustment and stable flight of the UAV; at the same time, the rotor assembly 4 is symmetrically arranged, and the adjacent blade bodies 21 have an angle of 120 degrees, so that the lift generated by the blade drive motor 23 is evenly distributed, reducing flight vibration and shaking, improving the stability of the lighting equipment carrying platform, and ensuring stable and accurate lighting effects, so as to facilitate precise lighting operations at civil engineering sites.

[0033] A rotor protection shell 38 is also provided on the periphery of the rotor assembly 4 , and the rotor protection shell 38 is connected to the connecting frame 37 , so that the rotor assembly 4 is protected by the rotor protection shell 38 .

[0034] In this embodiment, the blade drive motor 23 includes a motor housing 24, a stator 25, a rotor 26, a motor rear end cover 27 and a central shaft 28; the motor housing 24 is made of aluminum alloy and is provided with heat dissipation fins; the stator 25 and the rotor 26 are arranged inside the motor housing 24; the stator 25 is formed by stacking multiple layers of silicon steel sheets, the stator 25 is annular and surrounds the outside of the rotor 26; the surface of the silicon steel sheet of the stator 25 has uniformly distributed teeth and slots for winding the coil winding; the coil winding adopts a three-phase winding method and is uniformly distributed in the teeth and slots of the stator 25; the coil winding is formed by winding enameled wire, and the coil winding has a set number of turns and wire diameter; the rotor 26 includes a permanent magnet 39, a brush 40, a rotor core 41 and a rotor coil 42; the brush 40 is used as The rotor coil 42 is a component connected to the external circuit. The brush 40 transmits current to the rotor coil 42 during the high-speed rotation of the rotor 26 to generate electromagnetic force in the magnetic field environment constructed by the rotor core 41; the rotor coil 42 interacts with the magnetic field of the permanent magnet 39, so that the rotor 26 obtains initial rotational power; the permanent magnet 39 is made of rare earth permanent magnet material, and the permanent magnet 39 is evenly distributed along the circumferential direction of the rotor core 41; the rotor core 41 is fixed on the central shaft 28, and when the rotor 26 rotates, the central shaft 28 transmits the generated power to the blade body 21; during the operation of the blade drive motor 23, a preset gap is maintained between the rotor 26 and the stator 25; the rotor 26 is connected to the rear end cover 27 of the motor by an interference fit.

[0035] See also Figure 5 , Figure 6 , Figure 7 and Figure 8Specifically, when the blade drive motor 23 is powered on, current passes through the three-phase winding coil on the stator 25. Since the three-phase winding composed of enameled wire with a specific number of turns and wire diameter is wound in the evenly distributed tooth slots on the silicon steel sheet of the stator 25, the current generates a rotating magnetic field therein. For the rotor 26 part, the brush 40 transmits current to the rotor coil 42 during high-speed rotation, and generates electromagnetic force in the magnetic field environment constructed by the rotor core 41. At the same time, the magnetic field generated by the permanent magnets 39 made of rare earth permanent magnetic material evenly distributed on the rotor 26 interacts with the magnetic field generated by the rotor coil 42, providing the rotor 26 with initial rotational power.

[0036] Among them, since the stator 25 surrounds the outside of the rotor 26, the rotor 26 starts to rotate under the interaction of the rotating magnetic field generated by the stator 25 and its own magnetic field. The rotor core 41 is fixed on the central shaft 28, and the central shaft 28 is made of high-strength and high-hardness metal materials, which is responsible for supporting the overall structure of the rotor 26 and transmitting torque. There are parts for installing bearings at both ends of the central shaft 28. With the help of bearings, the blade drive motor 23 can achieve smooth and unimpeded rotation. When the rotor 26 rotates, the central shaft 28 accurately transmits the power generated by the blade drive motor 23 to the rotor assembly 4, causing the rotor assembly 4 to rotate at high speed and generate lift sufficient to support the flight of the drone.

[0037] Among them, the motor housing 24 of the blade drive motor 23 is made of aluminum alloy and is provided with cooling fins, which helps the motor to quickly dissipate heat during operation and ensure the normal working temperature of the motor. A preset gap is maintained between the stator 25 and the rotor 26 to ensure that there is no mutual friction and interference during rotation. The rotor 26 is connected to the rear end cover 27 of the motor through an interference fit, which ensures the stability and reliability of the connection and enables the rotor 26 to operate stably at high speed. Thus, through the above-mentioned magnetic field interaction and power transmission process, the blade body 21 is driven to rotate to provide flight power for the drone lighting equipment.

[0038] In this embodiment, the camera assembly 6 includes a fixing screw 29, a fixing plate 30, a camera bracket 31, a camera battery 32, an adjusting arm 33 and a camera body 34; the fixing plate 30 is connected to the drone base 3 through the fixing screw 29, the camera bracket 31 is connected below the fixing plate 30, the camera battery 32 is installed on the back of the camera bracket 31, and the camera bracket 31 is hinged to the camera body 34 through two adjusting arms 33.

[0039] See also Fig.10Specifically, the fixing plate 30 is firmly mounted on the drone base 3 by fixing screws 29, providing a solid foundation for the entire camera assembly 6. The camera bracket 31 connected below the fixing plate 30 plays a supporting and fixing role. The camera battery 32 provides power for the operation of the camera body 34. The camera bracket 31 is hinged to the camera body 34 through two adjusting arms 33, so that the camera body 34 can flexibly adjust the angle and direction within a certain range. During the flight of the drone lighting equipment, the shooting angle of the camera body 34 can be changed by adjusting the arm 33 according to the shooting requirements to obtain images or videos from different perspectives.

[0040] In a possible embodiment, a flight height control model is constructed according to a preset lighting field area and lighting parameters of the lighting lamp body 1. The formula of the flight height control model is: ; ; In the formula, The flight height of the drone lighting equipment. is the preset lighting area. is the beam divergence angle of the lighting lamp body 1; is the lighting radius of the lighting lamp body 1. The flight altitude of the UAV lighting device calculated by the flight altitude control model , the minimum flight height that can meet the lighting site area requirements. If the flight height is lower than this value , the lighting cannot completely cover the preset site area. Therefore, according to the specific lighting needs, the flight height of the drone lighting equipment can be reasonably controlled to achieve the best lighting effect.

[0041] In a possible embodiment, the flight height control model is further optimized and adjusted in combination with the influence of ambient light, and the formula of the optimized and adjusted flight height control model is: ; ; In the formula, is the actual required lighting intensity, is the minimum required lighting intensity; is the ambient light intensity. , after considering the ambient light intensity, the minimum flight altitude that can meet the lighting site area and the actual required lighting intensity requirements. If the required minimum lighting intensity is a certain value, and the ambient light intensity is strong, then the actual additional lighting intensity required will be relatively small, making the calculated minimum flight altitude of the drone that meets the lighting requirements On the contrary, if the ambient light intensity is weak, Larger, calculated This optimization allows the flight altitude control model to more accurately adapt to different ambient lighting conditions, thereby providing more appropriate, energy-efficient and effective lighting.

[0042] In a possible embodiment, the parking rack 36 is connected to the lower edge of the drone base 3. When the drone lighting equipment needs to land and park, the parking rack 36 first contacts the ground. Since the height of the parking rack 36 is greater than the height of the camera assembly 6, such a design can effectively prevent the camera assembly 6 from directly contacting the ground, thereby protecting the camera assembly 6 from collision and damage. During the landing process, the parking rack 36 bears the weight of the drone, provides stable support for the drone, and ensures that the drone can be parked smoothly on the ground.

[0043] In a possible embodiment, the positioning component 7 uses Beidou navigation or global positioning system (GPS) positioning technology. It is convenient for operators to macroscopically control and dispatch the position of lighting tools in a large-scale construction site, further enhance the remote control capability, and ensure that the UAV lighting equipment can accurately reach the designated position and work stably at the construction site with complex terrain and multiple construction areas.

[0044] In summary, the rotor assembly 4 of the present invention rotates to generate lift and power, so that the entire unmanned aerial vehicle lighting device can fly in the air. The photovoltaic assembly 5 can convert light energy into electrical energy, provide power support for the operation of the unmanned aerial vehicle lighting device, or charge the battery to store energy. The camera assembly 6 is used to shoot and record relevant image or video information. The positioning assembly 7 can obtain the location information of the device in real time so as to accurately control and monitor its flight trajectory and position. The lighting lamp body 1 is used to provide lighting functions. When the device is needed to perform lighting operations, the unmanned aerial vehicle lighting device takes off and adjusts the flight attitude and position by controlling the rotation speed and direction of the rotor assembly 4. The lighting light illuminates the target area, the camera assembly 6 performs shooting at the same time, and the positioning assembly 7 continuously feeds back the position information to ensure that the device accurately reaches the specified position and works stably. The lighting lamp body 1 is the core light-emitting component of the entire unmanned aerial vehicle lighting device, wherein the flat lens 11 is precisely arranged at the front end of the light source. Such a layout can play a preliminary reflection and adjustment role on the light emitted by the light source, so that the light can be distributed according to the expected angle in the initial stage of forward propagation, which helps to form a more uniform and regular light spot later. The convex lens 8 is installed at the lighting head cover 9. The optical properties of the convex lens 8 can further diffuse the light, converge and scatter the light that has been reflected and adjusted by the flat lens 11 and directly emitted from the light source, so that the lighting light can be evenly distributed over a larger range, while ensuring that the center of the light spot is always illuminated by light of sufficient intensity, avoiding the situation where the center of the light spot is too dark or the light is too scattered, resulting in poor lighting effect. The lighting lamp body 1 can output high-quality lighting light to meet the diverse lighting needs of different distances, angles and ranges at civil engineering construction sites, whether it is close-range clear lighting of construction details or long-range effective coverage of large construction areas, can achieve good results. Calculated by the optimized and adjusted flight altitude control model , after considering the ambient light intensity, the minimum flight altitude that can meet the lighting site area and the actual required lighting intensity requirements. If the required minimum lighting intensity is a certain value, and the ambient light intensity is strong, then the actual additional lighting intensity required will be relatively small, making the calculated minimum flight altitude of the drone that meets the lighting requirements On the contrary, if the ambient light intensity is weak, Larger, calculated will rise. Such optimization and adjustment enable the flight altitude control model to adapt more accurately to different ambient lighting conditions, thereby providing more suitable, more energy-saving and more effective lighting. The present invention adopts a drone equipped with lighting equipment, which can be remotely controlled to reach the designated location. The operator does not need to be in a dangerous environment to operate. At the same time, its wireless power supply method reduces the potential safety hazards related to the line. The operator can accurately control the flight and avoid obstacles in time to ensure the stable operation of the equipment, which greatly improves the safety during use; the present invention can output high-quality lighting light, whether it is close-range construction detail lighting or long-distance large-area lighting, it can have a good effect, and the wireless charging transmission power can be adjusted to adjust the lighting intensity of the lighting lamp, which can better adapt to the requirements of precise lighting control in different construction links; the present invention can convert solar energy into electrical energy and store it in a battery pack when the light is sufficient, reduce dependence on external power supply, improve the endurance and energy self-sufficiency rate at the outdoor civil engineering construction site, and enhance the practicality and environmental protection of the equipment; the present invention is based on the flexible movement of the drone, and can quickly and conveniently move the position at the construction site according to the construction progress and needs, improve the mobility and use efficiency of the equipment, and reduce related costs.

[0045] Although the present invention has been described in detail above by general description and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the present invention. Therefore, these modifications or improvements made without departing from the spirit of the present invention all belong to the scope of protection claimed by the present invention.

Claims

1. A remotely controlled unmanned aerial vehicle lighting device for civil engineering, characterized in that: It comprises a lighting lamp body (1), a lighting lamp charging plate (2), a drone base (3), a rotor assembly (4), a photovoltaic assembly (5), a camera assembly (6) and a positioning assembly (7); The lighting lamp body (1) is fixed to the upper part of the lighting lamp charging plate (2), and the lower side of the lighting lamp charging plate (2) is connected to the drone base (3); The edge of the drone base (3) is connected to a plurality of the rotor assemblies (4) via a connecting frame, and the rotor assemblies (4) are used to provide flight power for the drone lighting equipment; The drone base (3) is provided with the photovoltaic assembly (5), and the photovoltaic assembly (5) is used to convert light energy into electrical energy to provide power for the operation of the drone lighting equipment; The lower part of the drone base (3) is connected to the camera assembly (6), and the camera assembly (6) is used to monitor the surrounding image or video information of the drone lighting equipment; The positioning component (7) is connected to the upper part of the lighting lamp charging plate (2), and the positioning component (7) is used to monitor the flight trajectory and position of the unmanned aerial vehicle lighting device.

2. The remotely controllable civil engineering drone lighting device according to claim 1, characterized in that: The lighting lamp body (1) comprises a convex lens (8), a lighting head cover (9), a barrel (10), a flat lens (11), a reflective cup (12), a lighting rear cover (13) and an electromagnetic receiving module (14); The convex lens (8) is arranged inside the lighting head cover (9); the lighting head cover (9) and the barrel (10) are screwed together to form a main frame of the lighting lamp body (1); The flat lens (11) is fixed to the front end of the reflective cup (12), and a light source is provided at the front end of the lighting rear cover (13); the lighting rear cover (13) is connected to the electromagnetic receiving module (14), and the lighting rear cover (13) is also provided with a heat dissipation fan (15); The light emitted by the light source is reflected by the reflective cup (12) and then emitted through the flat lens (11) and the convex lens (8) to provide lighting for the construction site; The electromagnetic receiving module (14) comprises a ferrite core annular array (16) and a magnetic induction coil (17), wherein the magnetic induction coil (17) is wound on the inner side of the ferrite core annular array (16).

3. The remotely controllable civil engineering drone lighting device according to claim 2, characterized in that: The lighting lamp charging plate (2) comprises a top cover (18), an electromagnetic transmitting module (19) and a charging protective shell (20); The lower part of the lighting lamp charging plate (2) is connected to a battery pack inside the drone base (3) to be powered, and the electromagnetic transmitting module (19) cooperates with the electromagnetic receiving module (14) to supply energy to the lighting lamp body (1).

4. The remotely controllable civil engineering drone lighting device according to claim 1, characterized in that: The rotor assembly (4) comprises a blade body (21), a blade rotating shaft (22) and a blade driving motor (23); The blade is connected to the outer end of the blade rotating shaft (22), and the end of the blade rotating shaft (22) is connected to the power output shaft of the blade driving motor (23); The blade drive motor (23) controls the rotation speed of the blade body according to the flight control command issued by the user, so that the lighting device of the unmanned aerial vehicle can adjust its posture in the air; A rotor protection shell (38) is also provided on the periphery of the rotor assembly (4), and the rotor protection shell (38) is connected to the connecting frame (37).

5. The remotely controllable civil engineering drone lighting device according to claim 4, characterized in that: The blade drive motor (23) comprises a motor housing (24), a stator (25), a rotor (26), a motor rear end cover (27) and a central shaft (28); The motor housing (24) is made of aluminum alloy and is provided with heat dissipation fins; the stator (25) and the rotor (26) are arranged inside the motor housing (24); the stator (25) is formed by stacking multiple layers of silicon steel sheets, and the stator (25) is annular and surrounds the outside of the rotor (26); The silicon steel sheet surface of the stator (25) has evenly distributed tooth slots for winding the coil winding; the coil winding adopts a three-phase winding method and is evenly distributed in the tooth slots of the stator (25); the coil winding is formed by winding enameled wire, and the coil winding has a set number of turns and wire diameter; The rotor (26) comprises a permanent magnet (39), a brush (40), a rotor core (41), and a rotor coil (42); the brush (40) is a component for connecting the rotor coil (42) to an external circuit, and the brush (40) transmits current to the rotor coil (42) during high-speed rotation of the rotor (26) to generate electromagnetic force in the magnetic field environment constructed by the rotor core (41); the rotor coil (42) interacts with the magnetic field of the permanent magnet (39) to enable the rotor (26) to obtain initial rotational power; The permanent magnets (39) are made of rare earth permanent magnet material, and the permanent magnets (39) are evenly distributed along the circumferential direction of the rotor core (41); The rotor core (41) is fixed on the central shaft (28), and when the rotor (26) rotates, the central shaft (28) transmits the generated power to the blade body (21); During operation of the blade drive motor (23), a preset gap is maintained between the rotor (26) and the stator (25); the rotor (26) and the motor rear end cover (27) are connected by interference fit.

6. The remotely controllable civil engineering drone lighting device according to claim 1, characterized in that: The camera assembly (6) comprises a fixing screw (29), a fixing plate (30), a camera bracket (31), a camera battery (32), an adjustment arm (33) and a camera body (34); The fixing plate (30) is connected to the drone base (3) via the fixing screws (29); the camera bracket (31) is connected below the fixing plate (30); the camera battery (32) is mounted on the back of the camera bracket (31); and the camera bracket (31) is hingedly connected to the camera body (34) via the two adjusting arms (33).

7. The remotely controllable civil engineering drone lighting device according to claim 1, characterized in that: The photovoltaic assembly (5) comprises a solar panel (35), and the solar panel (35) converts received solar energy into electrical energy. The converted electrical energy is transmitted to the battery pack of the drone base (3) through a charging controller for storage.

8. The remotely controllable civil engineering drone lighting device according to claim 1, characterized in that: It also comprises a parking rack (36), wherein the parking rack (36) is connected to the lower edge of the drone base (3); the height of the parking rack (36) is greater than the height of the camera assembly (6).

9. The remotely controllable civil engineering drone lighting device according to claim 1, characterized in that: According to the preset lighting field area and the lighting parameters of the lighting lamp body (1), a flight altitude control model is constructed. The formula of the flight altitude control model is: ； ； In the formula, The flight height of the UAV lighting equipment, is the preset lighting area. is the light beam divergence angle of the lighting lamp body (1); is the illumination radius of the lighting lamp body (1).

10. The remotely controllable civil engineering drone lighting device according to claim 9, characterized in that: The method further includes optimizing and adjusting the flight height control model in combination with the influence of ambient light, wherein the formula of the optimized and adjusted flight height control model is: ； ； In the formula, is the actual required lighting intensity, is the minimum required lighting intensity; is the ambient light intensity.

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