Laser strike device and drone

Abstract

The embodiment of the application discloses a kind of laser strike device and unmanned plane, laser strike device is set to the body of unmanned plane, laser strike device includes: rotating assembly, laser emission component, imaging component, range finder and controller, controller can realize: control laser emission component in detection mode with pulse mode emit face array laser, and control imaging component in multiple pulse periods acquisition first image when face array laser is emitted and second image when face array laser is closed;Each first image is differentially processed, and multiple frames of laser reflection images reflecting cat-eye effect are generated;Bright spot target is extracted from each frame of laser reflection image;Bright spot target and corresponding time sequence one frame second image are fused, and target object and target object target strike position are identified and confirmed;According to the distance information between target object obtained by range finder, control laser emission component switches to interference mode, and emits laser beam to target strike position.

Description

Technical Field

[0001] This application relates to the field of laser detection technology, and in particular to a laser strike device and a drone. Background Technology

[0002] With the development of technology, drones have been widely used in aerial photography, agriculture, entertainment, and other fields. While bringing about industrial upgrading, they have also brought about security risks. Among them, micro-drones, characterized by low altitude, slow speed, and small size, pose new challenges to privacy protection due to their capabilities in aerial photography, ultra-low-altitude flight, and real-time image transmission. These drones can perform diverse tasks such as reconnaissance and surveillance, target location, electronic jamming, precision strikes, and swarm attacks, which can greatly enhance battlefield situational awareness and combat effectiveness. In addition, armed micro-drones can also carry explosives or precision-guided missiles to carry out precision strikes against high-value targets.

[0003] In related technologies, countermeasures against such micro-drones often employ methods such as fire-based interception systems, high-power microwave systems, high-energy laser systems, net capture systems, and dogfighting drones to damage or capture them. However, due to the high cost of fire-based interception systems for damage-type anti-drone systems and their susceptibility to the low detectability and complex flight paths of micro-drones, the interception and destruction of micro-drones cannot achieve the desired results. Summary of the Invention

[0004] This application discloses a laser strike device and a drone. By configuring a laser strike device on the drone, optical devices in the surrounding environment can be identified, and the identified optical devices can be interfered with by adjusting the working mode of the laser strike device, thereby achieving precise interference with micro-sized drones.

[0005] To achieve the above objectives, in a first aspect, embodiments of this application disclose a laser strike device disposed on the body of a drone, the laser strike device comprising: A rotating component is disposed on the machine body and is capable of rotating relative to the machine body; A laser emitting component is disposed on the rotating component. The laser emitting component is used to emit an array laser in detection mode and to emit a focused laser beam in interference mode. An imaging component is disposed on the rotating component, and the imaging component is used to acquire a visible light image of an external scene; A rangefinder is mounted on the rotating assembly; A controller is disposed on the rotating assembly, and the controller is communicatively connected to the rotating assembly, the laser emitting assembly, the imaging assembly, and the rangefinder. The controller is capable of: The laser emitting component is controlled to emit an array laser in a pulsed manner in detection mode, and the imaging component is controlled to acquire the visible light image in multiple pulse cycles. The visible light image includes: a first image when the array laser is emitted and a second image when the array laser is turned off. Each frame of the first image is subjected to differential processing to generate multiple frames of laser reflection images that reflect the cat's eye effect; Extract bright spot targets from each frame of the laser reflection image; The bright target is fused with a frame of the second image in the corresponding time sequence to identify and confirm the target object and the target strike position of the target object; Based on the distance information between the rangefinder and the target object, the laser emitting component is controlled to switch to interference mode and emit the laser beam at the target's strike location.

[0006] In one possible implementation, the rotating component includes: An adjustment mechanism, disposed on the rotating mechanism and rotatable relative to the rotating mechanism, is communicatively connected to the controller, and includes: A first driving component is disposed on the machine body, and the first driving component is communicatively connected to the controller; A universal joint frame is disposed on the body, and the universal joint frame has multiple rotating axes. The first driving component can adjust the attitude of the multiple rotating axes based on the controller. An angular motion detection element is disposed on the universal joint frame. The angular motion detection element is communicatively connected to the controller and can acquire the angular velocity data of the machine body. An encoder is mounted on the universal joint frame and is communicatively connected to the controller. The encoder is capable of acquiring rotation angle data of the multiple rotating axes and sending the rotation angle data to the controller.

[0007] In one possible implementation, the imaging component is disposed on the gimbal frame, and the imaging component includes: The first lens is disposed on the universal joint frame; A filter group is disposed on the universal joint frame, the first lens is disposed on one side of the filter group, the filter group is communicatively connected to the controller, the filter group includes multiple filters, and the controller can control the filter group to switch the currently used filter based on the working mode of the laser strike device; A detector is disposed on the gimbal frame and is communicatively connected to the controller. The detector is disposed on the side of the filter group opposite to the first lens so that light from the surrounding environment can pass through the first lens and the filter group in sequence, thereby generating a visible light image including the first image and the second image on the detector.

[0008] In one possible implementation, the filter set includes at least: The first filter, wherein the controller is capable of controlling the first filter to move to the rear side of the first lens when the imaging component is acquiring the first image; The controller can control the second filter to move to the rear side of the first lens when the imaging component is acquiring the second image; The controller can move the third filter to the rear side of the first lens when the imaging component fails to acquire the visible light image, the first image, and the second image.

[0009] In one possible implementation, the laser emitting assembly is disposed on the gimbal frame, and the laser emitting assembly includes: The lens assembly is mounted on the universal joint frame; A laser is mounted on the gimbal frame and positioned on the side of the lens group facing away from the surrounding environment. The laser is communicatively connected to the controller, thereby enabling the emission of a laser with a first wavelength in detection mode or the emission of a laser with a second wavelength in interference mode.

[0010] In one possible implementation, the first band satisfy: ; Second band satisfy: .

[0011] In one possible implementation, fusing the bright target with a frame of the second image in the corresponding time sequence to identify and confirm the target object and the target strike location of the target object includes: The bright spot target is superimposed with a frame of the second image in the corresponding time sequence to obtain a target image, and the target object is identified and confirmed based on the target image; Based on the target image, the angular velocity data, and the rotation angle data, the strike position and the rotation data of the rotating component are determined. Based on the rotation data, the rotating component is driven to rotate so that the laser emission component is aligned with the target object.

[0012] In one possible implementation, controlling the laser emitting component to switch to jamming mode and emit the laser beam at the target impact location based on the distance information between the rangefinder and the target object includes: Receive distance data between the current position of the UAV and the target object obtained by the rangefinder; Based on the distance data being within the strike range, the laser emitting component is controlled to emit the laser beam toward the target object.

[0013] In one possible implementation, the laser strike device further includes: An electrical interface is provided for electrical connection to the body to power the laser strike device using a power source on the UAV.

[0014] Secondly, embodiments of this application disclose an unmanned aerial vehicle (UAV), comprising: Organism; The power supply is located in the body of the machine. The laser strike device as described in any one of the first aspects above.

[0015] Thus, the laser strike device provided in this application utilizes a rotating component to synchronously rotate each optical unit, avoiding positioning errors caused by angular deviations. By emitting a laser array in detection mode using the laser emitting component and combining it with an imaging component to acquire visible light images of pulse periods, the device extracts bright targets from the optical camera lens using the cat's eye effect, effectively distinguishing between micro-UAVs and interference objects such as birds, thus improving the accuracy of target identification. The controller fuses the bright target with the second image to confirm the target strike location, and after ranging by the rangefinder, switches to interference mode to emit a focused laser beam, thereby disabling the optical lens of the micro-UAV. This achieves rapid and accurate non-contact identification and interference with reconnaissance equipment such as micro-UAVs, improving the flexibility and accuracy of striking micro-UAVs while effectively reducing the cost of striking them.

[0016] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1This is one of the structural schematic diagrams of a laser strike device provided in an embodiment of this application; Figure 2 This application provides a schematic diagram illustrating the operation of the controller in a laser strike device. Figure 3 This is a second schematic diagram of the structure of a laser strike device provided in an embodiment of this application; Figure 4 This is the third schematic diagram of a laser strike device provided in the embodiments of this application; Figure 5 This is the fourth schematic diagram of a laser strike device provided in the embodiments of this application; Figure 6 The fifth schematic diagram of a laser strike device provided in the embodiments of this application.

[0019] Explanation of reference numerals in the attached figures: 1-Laser strike device, 10-Rotating assembly, 101-Adjusting mechanism, 1011-First driving component, 1012-Universal joint frame, 11-Laser emitting assembly, 111-Lens group, 112-Laser, 12-Imaging assembly, 121-First lens, 122-Filter group, 123-Detector, 13-Range meter, 14-Controller, 15-Electrical interface. Detailed Implementation

[0020] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0021] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0022] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0023] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0024] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, components, or parts (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, components, or parts. Unless otherwise stated, "a plurality of" means two or more.

[0025] Please refer to Figure 1 and Figure 2 This application provides a laser strike device 1, which is mounted on the body of a drone. In this embodiment, the laser strike device 1 is used to strike a micro-drone as an example for explanation. The laser strike device 1 includes a rotating component 10. The rotating component 10 is mounted on the body and can rotate relative to the body.

[0026] Preferably, the rotating component 10 can be housed in the housing cavity of the airframe, or it can be detachably connected to the drone via a detachable component to improve the adaptability of the drone.

[0027] The laser strike device 1 includes a laser emitting assembly 11. The laser emitting assembly 11 is disposed on the rotating assembly 10 and is used to emit an array laser in detection mode and to emit a focused laser beam in interference mode.

[0028] The laser strike device 1 includes an imaging component 12. The imaging component 12 is disposed on the rotating component 10 and is used to acquire visible light images of external objects.

[0029] The laser strike device 1 includes a rangefinder 13. The rangefinder 13 is disposed on the rotating assembly 10.

[0030] The rotating assembly 10 has multiple holes for mounting the laser emitting assembly 11, the imaging assembly 12, and the rangefinder 13. This design enables the laser emitting assembly 11, the imaging assembly 12, and the rangefinder 13 to rotate synchronously, improving the synchronization of their rotation and avoiding deviations due to different angles.

[0031] The laser strike device 1 includes a controller 14. The controller 14 is disposed on the rotating assembly 10 and is communicatively connected to the rotating assembly 10, the laser emitting assembly 11, the imaging assembly 12, and the rangefinder 13. The controller 14 is capable of performing steps 201 to 205: Step 201: The controller 14 controls the laser emitting component 11 to emit a pulsed array laser in detection mode, and controls the imaging component 12 to acquire visible light images in multiple pulse cycles. The visible light images include a first image when the array laser is emitting and a second image when the array laser is off.

[0032] The laser strike device 1 has a detection mode and a jamming mode. The controller 14 can automatically switch between the detection mode and the jamming mode based on the surrounding environment and the received information. The laser emitting component 11 emits a pulsed array laser into the surrounding environment. When the array laser shines on the optical camera mounted on the micro-UAV, due to the cat's-eye effect of the optical lens, the intensity of the laser echo reflected by the optical camera lens will be several orders of magnitude higher than the intensity of the reflection from other parts of the UAV. At this time, the laser echo received by the imaging component 12 is characterized by a bright spot formed by the reflection from the optical camera lens, while other areas are darker. When this bright spot appears, it indicates that the micro-UAV is conducting reconnaissance. Since birds do not have this cat's-eye effect, the possibility that the target is a bird can be ruled out.

[0033] In detection mode, the controller 14 can control the laser emitting component 11 to emit area-array laser light in a pulsed manner into the surrounding environment, and control the imaging component 12 to acquire a first image of the surrounding environment when it is covered by the area-array laser light and a second image of the surrounding environment when it is not covered by the area-array laser light. Preferably, the imaging component 12 can acquire the first image and the second image alternately.

[0034] In step 202, the controller 14 performs differential processing with each frame of the first image to generate multiple frames of laser reflection images that reflect the cat's eye effect.

[0035] The controller 14 performs differential processing on each frame of the first image based on the acquired first image, and then generates multiple frames of laser reflection images that can reflect the position of the optical camera lens carried by the micro-drone.

[0036] Step 203: Controller 14 extracts bright spot targets from each frame of laser reflection image.

[0037] Because the optical camera lens on the micro-drone reflects a high intensity of laser echo when illuminated by a laser, it will form a bright spot in the laser reflection image, which is a bright spot target. The controller 14 can extract the bright spot target in the laser reflection image.

[0038] Step 204: The controller 14 fuses the bright target with a second frame of the corresponding time sequence to identify and confirm the target object and the target object's target strike position.

[0039] The controller 14 fuses the bright target obtained based on the first image with the second image to identify and confirm the target object in the second image. While confirming that the target object is correct, it also confirms the target strike position where the target object is located.

[0040] Step 205: Based on the distance information between the rangefinder 13 and the target object, the controller 14 controls the laser emitting component 11 to switch to jamming mode and emit a laser beam at the target's strike location.

[0041] The rangefinder 13 can be a laser rangefinder 13, which uses the laser emitted by the laser emitting component 11 to measure the distance information between the current position of the laser strike device 1 and the target strike position. Then, the laser emitting component 11 is controlled to switch from the detection mode to the jamming mode to emit a laser beam at the target strike position, thereby disabling the lens of the optical camera mounted on the micro-UAV.

[0042] Thus, the laser strike device 1 provided in this application embodiment utilizes the rotating component 10 to synchronously rotate each optical unit, avoiding positioning errors caused by angular deviations. The laser emitting component 11 emits an array laser in detection mode and combines it with the imaging component 12 to acquire visible light images with pulse periods. Utilizing the cat's eye effect, it extracts the bright spot target from the laser reflection image, effectively distinguishing between micro-UAVs and interference objects such as birds, thus improving the accuracy of target identification. The controller 14 fuses the bright spot target with the second image to confirm the target strike position. After ranging by the rangefinder 13, it switches to interference mode to emit a focused laser beam, thereby disabling the optical lens of the micro-UAV. This achieves rapid and accurate non-contact identification and interference with reconnaissance equipment such as micro-UAVs, improving the flexibility and accuracy of striking micro-UAVs while effectively reducing the cost of striking them.

[0043] In some embodiments, such as Figures 3 to 4 As shown, the rotating assembly 10 includes an adjustment mechanism 101. The adjustment mechanism 101 is disposed on the rotating assembly and can rotate relative to the rotating assembly. The adjustment mechanism 101 is communicatively connected to the controller 14. The adjustment mechanism 101 includes a first drive member 1011. The first drive member 1011 is disposed on the body and is communicatively connected to the controller 14.

[0044] The adjustment mechanism 101 includes a universal joint frame 1012. The universal joint frame 1012 is disposed on the body and has multiple rotation axes. The first drive member 1011 can drive the multiple rotation axes to perform attitude adjustment based on the controller 14.

[0045] The rotating assembly 10 includes an angular motion detection element. The angular motion detection element is disposed on the universal joint frame 1012 and is communicatively connected to the controller 14. The angular motion detection element is capable of acquiring the angular velocity data of the body.

[0046] The rotating assembly 10 includes an encoder. The encoder is mounted on the universal joint frame 1012 and is communicatively connected to the controller 14. The encoder is able to acquire rotation angle data for multiple rotating axes and send the rotation angle data to the controller 14.

[0047] The adjustment mechanism 101 of the rotating component 10 is set on the body. The first drive component 1011 can control the universal joint frame 1012 to rotate relative to the body based on the command issued by the controller 14. When the angle of the laser strike device 1 needs to be adjusted, the angle is adjusted first through the rotating component 10, thereby reducing the position change frequency of the UAV, thereby reducing the difference in the visible light image obtained by the laser strike device 1 and reducing the information processing load of the controller 14.

[0048] An angular motion detection element, which can be a MEMS gyroscope, is installed on the universal joint frame 1012 to obtain real-time data on the attitude changes of the universal joint frame 1012 and the body, facilitating subsequent attitude calculation and control. The universal joint frame 1012 has multiple rotation axes, and the encoder can obtain the actual rotation angle of each rotation axis and send the rotation angle to the controller 14.

[0049] The above embodiments improve the accuracy and response efficiency of the laser strike device 1 by optimizing the structural design of the rotating component 10. The first drive component 1011 in the adjustment mechanism 101 can drive the multi-axis rotation of the universal joint frame 1012 based on the controller 14's instructions, and prioritize adjust the laser emission angle through the rotating component 10, thereby reducing the frequent movement of the UAV body, reducing the viewing angle difference between multiple acquired visible light images and the data processing burden of the controller 14; at the same time, the angular motion detection element integrated in the universal joint frame 1012 can provide real-time feedback of attitude change data, and combined with the encoder's precise monitoring of the angle of each rotation axis, it provides a high-precision basis for attitude calculation and closed-loop control, ensuring that the laser emission component 11, imaging component 12 and rangefinder 13 can still stably align with the target in a dynamic environment, further improving the accuracy of the strike and the dynamic response capability of the system.

[0050] In some embodiments, such as Figure 5As shown, the imaging assembly 12 is disposed on the gimbal frame 1012. The imaging assembly 12 includes a first lens 121. The first lens 121 is disposed on the gimbal frame 1012.

[0051] The imaging assembly 12 includes a filter group 122. The filter group 122 is disposed on the gimbal frame 1012, and the first lens 121 is disposed on one side of the filter group 122. The filter group 122 is communicatively connected to the controller 14. The filter group 122 includes multiple filters, and the controller 14 can control the filter group 122 to switch the currently used filters based on the operating mode of the laser strike device 1.

[0052] Imaging assembly 12 includes detector 123. Detector 123 is disposed on gimbal frame 1012 and is communicatively connected to controller 14. Detector 123 is disposed on the side of filter group 122 opposite to the first lens 121, so that light from the surrounding environment can pass through the first lens 121 and filter group 122 in sequence, thereby generating a visible light image including a first image and a second image on detector 123.

[0053] The first lens 121 is the objective lens, which mainly serves to guide the light path and protect the filter group 122 in the imaging assembly 12. Under the control of the controller 14, the filter group 122 can switch between different filters based on the current operating mode of the laser strike device 1 to adapt to different needs of the laser strike device 1. The detector 123 can receive the light passing through the first lens 121 and the filter group 122, and then generate a visible light image.

[0054] In the above embodiments, under the scheduling of the controller 14, the filter group 122 can automatically switch the corresponding filter according to the current working mode of the laser strike device 1, thereby optimizing the transmission characteristics of light in different wavelength bands and ensuring that clear and accurate visible light images can be obtained under area laser emission or ordinary ambient light. The first lens 121, as an objective lens, effectively focuses light while protecting the internal optical components, while the detector 123 receives the light signal processed by the lens and filter group 122 to generate high-quality first and second images, providing reliable visual data support for subsequent target recognition and strike positioning, and improving the detection accuracy and anti-interference capability of the laser strike device 1 in multiple scenarios.

[0055] In some embodiments, the filter group 122 includes at least a first filter. The controller 14 is capable of controlling the first filter to move to the rear side of the first lens 121 when the imaging assembly 12 is acquiring a first image.

[0056] The filter group 122 includes at least a second filter. The controller 14 is capable of controlling the second filter to move behind the first lens 121 when the imaging assembly 12 is acquiring a second image.

[0057] The filter group 122 includes at least a third filter. The controller 14 is capable of controlling the third filter to move behind the first lens 121 when the imaging component 12 has not acquired a visible light image, a first image, or a second image.

[0058] In detection mode, controller 14 controls the first and second filters to work alternately, while in interference mode, controller 14 controls the third filter to be positioned behind the first lens 121. Specifically, the first filter can be a bandpass filter, which allows light within a specific wavelength range to pass through while blocking light outside that band; the second filter can be a narrowband filter, which allows light of a specific wavelength to pass through, therefore the wavelength of the light passing through the narrowband filter must be consistent with the wavelength of the laser emitted by the laser emitting component 11; the third filter can be a notch filter, which blocks light of a specific wavelength from passing through. To prevent the laser beam reflected back in interference mode, the third filter is needed to protect components such as detector 123 in interference mode, therefore the wavelength of the light blocked by the notch filter must also be consistent with the wavelength of the laser beam emitted by the laser emitting component 11.

[0059] The above embodiments improve the optical performance and equipment safety of the laser strike device 1 in multi-task scenarios by switching the filter group 122. In detection mode, the controller 14 alternately uses the first filter and the second filter according to imaging requirements to optimize the acquisition quality of reflected light and ambient light during area laser irradiation, thereby accurately capturing bright targets formed by the cat's eye effect and simultaneously acquiring clear background images to provide high-quality differential data for subsequent target recognition. In interference mode, the controller 14 automatically switches to the third filter, effectively blocking high-intensity reflected light with the same wavelength as the laser emission from entering the detector 123, avoiding damage to the imaging component 12 by strong light, thus ensuring equipment safety while emitting interference laser beams. In addition, activating the third filter in non-operating state can also continuously provide daily protection for the detector 123, thereby enhancing the system's environmental adaptability, imaging accuracy, and long-term operational reliability.

[0060] In some embodiments, please refer to Figure 6 The laser emitting assembly 11 is disposed on the universal joint frame 1012. The laser emitting assembly 11 includes a lens group 111, which is disposed on the universal joint frame 1012.

[0061] The laser emitting assembly 11 includes a laser 112. The laser 112 is disposed on the gimbal frame 1012 and on the side of the lens group 111 facing away from the surrounding environment. The laser 112 is communicatively connected to the controller 14, thereby enabling the emission of a laser with a first wavelength in detection mode or the emission of a laser with a second wavelength in interference mode.

[0062] For example, in detection mode, the laser beam needs to be expanded to increase the detection area. The laser 112 used to emit the laser has a small divergence angle. The lens group 111 can expand the emitted light into a circle or a square. In interference mode, the laser needs to be focused to improve the strike effect. At this time, the lenses or lens arrays used in the lens group 111 can be switched to achieve focusing of the laser.

[0063] The laser emitting assembly 11 described in the above embodiments can, in detection mode, control the lenses or lens arrays in the lens group 111 that can diverge the beam through the controller 14, thereby expanding the small divergence angle beam emitted by the laser 112 into a large-area array laser, thus expanding the detection range and effectively covering more target areas to capture the reflected bright spots generated by the cat's eye effect. In interference mode, the controller 14 can switch the working lenses or lens arrays in the lens group 111 to a focusing configuration, thereby compressing the laser beam into a high-energy-density fine beam, accurately acting on the lens of the optical camera, and significantly improving the interference effectiveness. The detection mode and interference mode share the same laser 112 and adjustable lens group 111, allowing the laser strike device 1 to maintain a compact structure while quickly switching operating modes without the need for additional light sources. This reduces the complexity of the laser strike device 1 mechanism and ensures seamless connection and efficient execution of detection and strike tasks.

[0064] In some embodiments, the first band satisfy: Second band satisfy: .

[0065] The lasers emitted in both detection and jamming modes need to have high penetration. Therefore, the near-infrared band, which has low atmospheric attenuation, is considered when selecting the wavelength. Commonly used wavelengths include 808nm, 905nm, and 1550nm. In jamming mode, a wavelength that causes greater damage to the optical camera lens needs to be selected. The sensor in the optical camera lens is usually a CCD / CMOS sensor, which is typically sensitive in the 400-1100nm wavelength range. Therefore, the laser 112 is selected in the 808nm or 905nm near-infrared band, such as a 905nm semiconductor laser 112. Considering the strike distance, the power of the laser 112 is selected as 5W, and the ranging laser 112 is selected in the 808nm band. In summary, lasers 112 that can emit different wavelengths can be selected to meet the needs of the laser strike device 1 in different operating modes. Preferably, the laser 112 can be selected based on the overlap between the first and second wavelengths to reduce costs while ensuring the normal operation of the laser strike device 1.

[0066] In the detection mode described above, a near-infrared laser with low atmospheric attenuation and matching the sensitive band of the optical camera sensor is selected to ensure that the array laser maintains sufficient intensity during long-distance transmission to induce the cat's-eye effect, thereby enabling accurate identification of target objects in the surrounding environment. In the jamming mode, a high-power laser in the same sensitive band is used to effectively blind or damage the sensor in the optical camera, ultimately achieving efficient strikes against micro-UAVs. By selecting a laser 112 whose first and second bands partially overlap, the dual-mode requirements can be met under the same light source, which simplifies the structural complexity of the laser strike device 1, reduces hardware costs, and ensures the penetration and destructive power of the laser in different tasks.

[0067] In some embodiments, step 204 can be implemented through steps 2041 to 2042: Step 2041: The controller 14 overlays the bright spot target with a second image of a corresponding time frame to obtain a target image, and identifies and confirms the target object based on the target image.

[0068] Since the imaging component 12 alternately acquires the first image and the second image, the first second image acquired by the imaging component 12 after acquiring the first image is taken as the second image corresponding to the first image. The controller 14 receives the bright target obtained based on the first image and the second image corresponding to the first image sent by the imaging component 12, and aligns the bright target with the relevant object in the second image to obtain the target image. Based on the bright target in the target image and the suspected micro-drone in the second image, the target object is identified and confirmed to avoid misidentification and accidental damage to other devices due to reflections from other devices.

[0069] In step 2042, the controller 14 determines the strike position and the rotation data of the rotating component 10 based on the target image, angular velocity data and rotation angle data, and drives the rotating component 10 to rotate so that the laser emitting component 11 is aligned with the target object.

[0070] The controller 14 determines the current pose of the UAV based on the angular velocity data obtained by the angular motion detection element, and determines the current aiming direction of the laser strike device 1 based on the rotation angle data obtained by the encoder. The controller 14 calculates the rotation data of the laser strike device 1 aiming at the target object based on the target image, and controls the rotating component 10 to rotate to the position of aiming at the target object, so that the laser emitting component 11 is aimed at the target object.

[0071] In the above embodiments, the controller 14 can effectively eliminate interference from other reflective devices in the environment by superimposing the bright target with the second image in real time, thereby improving the accuracy and reliability of the identification of micro-sized drones; the controller 14 calculates the position of the target object and the aiming direction of the laser strike device 1 by using angular velocity data and rotation angle data, and drives the rotating component 10 to quickly and accurately point the laser emitting component 11 at the target object, thereby achieving high-precision automatic tracking and aiming, avoiding misjudgment and accidental damage, and enhancing the robustness and response speed of the laser strike device 1.

[0072] In some embodiments, step 205 can be implemented through steps 2051 to 2052: Step 2051, the controller 14 receives the distance data between the current position of the UAV and the target object obtained by the rangefinder 13.

[0073] The rangefinder 13 can be a laser rangefinder 13. The rangefinder 13 obtains the distance data from the current position to the target position based on the laser emitted by the laser 112, and sends the distance data to the controller 14.

[0074] Step 2052: Based on the distance data indicating that the target is within the strike range, controller 14 controls laser emitting component 11 to emit a laser beam toward the target object.

[0075] After receiving the distance data, the controller 14 compares it with the preset strike range. If the distance data is within the strike range, it controls the lens group 111 in the laser emitting component 11 to adjust so that the laser emitting component 11 changes from the area array laser emitted in the detection mode to the interference mode and emits a laser beam, thereby interfering with the optical camera lens of the micro-UAV.

[0076] In the above embodiment, the controller 14 obtains the distance data between the laser strike device 1 and the target object in real time through the rangefinder 13, and determines whether the distance is within the preset strike range. Only when the conditions are met will the laser emission component 11 be triggered to switch to the interference mode and emit a laser beam, thereby achieving precise interference to the optical camera lens of the micro-miniature UAV. The interference action is emitted after ranging, which can improve the effectiveness and safety of laser interference, avoid invalid emission or accidental damage, and also enhance the reliability and accuracy of the laser strike device 1.

[0077] In some embodiments, the laser strike device 1 further includes an electrical interface 15. The electrical interface 15 is used for electrical connection with the airframe to power the laser strike device 1 using a power source on the drone.

[0078] To reduce the overall size of the laser strike device 1, it does not have an independent power supply but instead uses the power supply of the UAV. An electrical interface 15 is provided on the laser strike device 1 to connect to the UAV's power supply, thus enabling it to power itself using the UAV's onboard power source. This achieves a lightweight design for the laser strike device 1, while also optimizing the UAV's payload configuration, improving flight efficiency and endurance, and enhancing the integration and deployment flexibility of the laser strike device 1, making it more suitable for carrying out missions.

[0079] This application also provides a drone, which includes a body, a power supply disposed on the body, and a laser strike device 1 provided in any of the above embodiments. Since the drone provided in this application has the laser strike device 1 as described in any of the above embodiments, it has the beneficial effects of any of the above embodiments of the laser strike device 1, which will not be described in detail here.

[0080] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A laser strike device, characterized in that, The laser strike device, mounted on the fuselage of the drone, includes: A rotating component is disposed on the machine body and is capable of rotating relative to the machine body; A laser emitting component is disposed on the rotating component. The laser emitting component is used to emit an array laser in detection mode and to emit a focused laser beam in interference mode. An imaging component is disposed on the rotating component, and the imaging component is used to acquire a visible light image of an external scene; A rangefinder is mounted on the rotating assembly; A controller is disposed on the rotating assembly, and the controller is communicatively connected to the rotating assembly, the laser emitting assembly, the imaging assembly, and the rangefinder. The controller is capable of: The laser emitting component is controlled to emit an array laser in a pulsed manner in detection mode, and the imaging component is controlled to acquire the visible light image in multiple pulse cycles. The visible light image includes: a first image when the array laser is emitted and a second image when the array laser is turned off. Each frame of the first image is subjected to differential processing to generate multiple frames of laser reflection images that reflect the cat's eye effect; Extract bright spot targets from each frame of the laser reflection image; The bright target is fused with a frame of the second image in the corresponding time sequence to identify and confirm the target object and the target strike position of the target object; Based on the distance information between the rangefinder and the target object, the laser emitting component is controlled to switch to interference mode and emit the laser beam at the target's strike location.

2. The laser strike device according to claim 1, characterized in that, The rotating component includes: An adjustment mechanism, disposed on the rotating mechanism and rotatable relative to the rotating mechanism, is communicatively connected to the controller, and includes: A first driving component is disposed on the machine body, and the first driving component is communicatively connected to the controller; A universal joint frame is disposed on the body, and the universal joint frame has multiple rotating axes. The first driving component can adjust the attitude of the multiple rotating axes based on the controller. An angular motion detection element is disposed on the universal joint frame. The angular motion detection element is communicatively connected to the controller and can acquire the angular velocity data of the machine body. An encoder is mounted on the universal joint frame and is communicatively connected to the controller. The encoder is capable of acquiring rotation angle data of the multiple rotating shafts and sending the rotation angle data to the controller.

3. The laser strike device according to claim 2, characterized in that, The imaging component is disposed on the gimbal frame, and the imaging component includes: The first lens is disposed on the universal joint frame; A filter group is disposed on the universal joint frame, the first lens is disposed on one side of the filter group, the filter group is communicatively connected to the controller, the filter group includes multiple filters, and the controller can control the filter group to switch the currently used filter based on the working mode of the laser strike device; A detector is disposed on the gimbal frame and is communicatively connected to the controller. The detector is disposed on the side of the filter group opposite to the first lens so that light from the surrounding environment can pass through the first lens and the filter group in sequence, thereby generating a visible light image including the first image and the second image on the detector.

4. The laser strike device according to claim 3, characterized in that, The filter group includes at least: The first filter, wherein the controller is capable of controlling the first filter to move to the rear side of the first lens when the imaging component is acquiring the first image; The controller can control the second filter to move to the rear side of the first lens when the imaging component is acquiring the second image; The controller can move the third filter to the rear side of the first lens when the imaging component fails to acquire the visible light image, the first image, and the second image.

5. The laser strike device according to claim 2, characterized in that, The laser emitting assembly is disposed on the gimbal frame, and the laser emitting assembly includes: The lens assembly is mounted on the universal joint frame; A laser is mounted on the gimbal frame and positioned on the side of the lens group facing away from the surrounding environment. The laser is communicatively connected to the controller, thereby enabling the emission of a laser with a first wavelength in detection mode or the emission of a laser with a second wavelength in interference mode.

6. The laser strike device according to claim 5, characterized in that, First band satisfy: ; Second band satisfy: .

7. The laser strike device according to claim 2, characterized in that, The step of fusing the bright target with a frame of the second image in the corresponding time sequence to identify and confirm the target object and the target strike position of the target object includes: The bright spot target is superimposed with a frame of the second image in the corresponding time sequence to obtain a target image, and the target object is identified and confirmed based on the target image; Based on the target image, the angular velocity data, and the rotation angle data, the strike position and the rotation data of the rotating component are determined. Based on the rotation data, the rotating component is driven to rotate so that the laser emission component is aligned with the target object.

8. The laser strike device according to claim 7, characterized in that, The step of controlling the laser emitting component to switch to jamming mode and emitting the laser beam at the target impact position based on the distance information between the rangefinder and the target object includes: Receive distance data between the current position of the UAV and the target object obtained by the rangefinder; Based on the distance data being within the strike range, the laser emitting component is controlled to emit the laser beam toward the target object.

9. The laser strike device according to any one of claims 1 to 8, characterized in that, The laser strike device also includes: An electrical interface is provided for electrical connection to the body to power the laser strike device using a power source on the UAV.

10. A drone, characterized in that, include: Organism; The power supply is located in the body of the machine. The laser striking device as described in any one of claims 1 to 9.

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