A handheld drone laser denial device
By utilizing a high-peak-power pulsed laser and an adjustable beam expander, the technical challenges of short-range drone denial have been solved, achieving effective defense against short-range drones.
Patent Information
- Application Number
- CN202423060179.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-12
AI Technical Summary
The current technology lacks an effective short-range handheld drone denial device, making it impossible to effectively counter the threat of short-range drones.
A handheld drone denial device was designed, comprising a high peak power pulsed laser, an adjustable beam expander, a rangefinder, and an observation and aiming unit. The observation and aiming unit detects and locks onto drone targets, and the adjustable beam expander outputs a laser beam for denial. The output wavelength and energy of the laser are adjustable, making it suitable for drone denial at different distances.
It effectively denies close-range drones by instantly damaging sensors with a high-energy laser beam, providing a means of security defense for short-range airspace.
Smart Images

Figure CN223596681U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a denial ware, more specifically to a hand-held unmanned aerial vehicle laser denial ware. BACKGROUND
[0002] The extensive use of unmanned aerial vehicles makes traditional activities such as investigation, patrol and target attack unmanned or remotely controlled by human beings. Along with this, various unmanned aerial vehicle countermeasures and related equipment are developed and used. SUMMARY
[0003] The utility model solves the technical problem to provide a short-range hand-held unmanned aerial vehicle denial ware.
[0004] The utility model provides a hand-held unmanned aerial vehicle denial ware, the denial ware includes laser emission unit containing high peak power pulse laser and adjustable beam expander, observation unit containing range finder and observation device, control unit containing denial ware start and laser emission unit trigger switch, power and shell, the configuration of laser emission unit, observation unit, control unit, power and the structure of shell and the setting of each unit including power on carrier meet: the denial ware finds, locks unmanned aerial vehicle target and measures range through observation unit, adjusts laser beam divergence angle of output of beam expander manually or automatically according to range result, then or simultaneously triggers laser emission unit switch to emit laser to the unmanned aerial vehicle target, wherein, the adjustable of beam expander includes: the adjustment of beam divergence angle from 500 meters of sight to 100 meters of sight is incremental adjustment, or the adjustment of beam divergence angle from 100 meters of sight to 500 meters of sight is decremental adjustment.
[0005] In the utility model, the high peak power pulse laser output laser wavelength is preferably 0.53 μm and 1.06 μm, the frequency is greater than 1 Hz to 40 Hz, the single pulse output laser total energy is greater than or equal to 100 mJ to less than or equal to 400 mJ, and the frequency-doubled green light energy is 50 mJ to less than or equal to 200 mJ.
[0006] In the utility model, the high peak power pulse laser output laser pulse width is preferably 5 ns to 15 ns.
[0007] When the high peak power pulse laser output laser wavelength is preferably 0.53 μm, 1.06 μm, the frequency is greater than 1 Hz to 40 Hz, the single pulse output laser total energy is greater than or equal to 100 mJ to less than or equal to 400 mJ, the frequency-doubled green light energy is 50 mJ to less than or equal to 200 mJ, and the output laser frequency of the high peak power pulse laser is further preferably 5 Hz to 20 Hz, the single pulse output laser total energy is greater than or equal to 100 mJ to less than or equal to 320 mJ, and the frequency-doubled green light energy is 50 mJ to less than or equal to 160 mJ, the adjustable beam expander in the rejector includes a beam divergence angle of 0.4 mrad to 0.5 mrad at a sight distance of 500 meters, and a beam divergence angle of 2 mrad at a sight distance of 100 meters.
[0008] In the utility model, the laser is prior art, and can be prepared by prior art design, or can be purchased. For example, in a specific embodiment, the laser used in the utility model is a semiconductor laser pumped YAG solid laser with electric-optic Q switching prepared by prior art.
[0009] In the utility model, the adjustable beam expander, the sighting unit, the control unit and the like are prior art. Details are not described herein.
[0010] In the utility model, the sighting device is preferably a television infrared sighting device.
[0011] In the utility model, the main function of the shell is to mount and support components such as the laser, the beam expander, the sighting device, the control unit and the like, and their assembly. The components such as the laser, the beam expander, the sighting device and the control unit are arranged in the shell or mounted on the shell. In order to ensure the use, carrying and storage of the rejector, the structure of the shell is not limited in the utility model. Taking the television infrared sighting device including a television infrared camera and a display as an example, the mounting and support of the television infrared sighting device on the shell satisfy that the center of the cross line of the display screen of the television infrared sighting device is the imaging center of the camera, the output laser optical axis of the laser is adjusted to be parallel to the optical axis of the camera, and the imaging cross center is coincident with the laser beam, so that the cross center can press the target, and the laser beam can cover the target.
[0012] In addition, the shell should consider the heat dissipation of the laser, compactness and aesthetics while meeting the mounting and support requirements. For example, the shell is designed as a mesh to meet the heat dissipation requirements of the laser.
[0013] The utility model discloses a power supply is not limited to the utility model. Generally, in order to consider the hand-held of the rejector, the power supply is selected from battery, battery and the like. The power supply can be built-in in the rejector shell, or can be external to the shell, such as being designed as a plug-in independent power supply. In addition, for laser emission and sighting units, they can be independently powered, or a single power supply can be used for unified power supply. When independently powered, the independent setting of each of them is not limited. The power supply can be built-in in the rejector shell, or can be external to the shell, including being designed as a plug-in independent power supply.
[0014] According to the utility model, the rejector includes a support. The support can have different shapes for the purpose of convenient hand-holding, carrying and the like. The utility model does not limit this.
[0015] In the utility model, the rejector can optionally include a laser emission function lock / unlock module.
[0016] In order to ensure the safety of the use of the rejector, various ways can be used to lock and unlock the laser emission (triggering) function. For example, the function lock / unlock module is selected from a mechanical lock, an electronic lock (for example, an electronic password lock and the like) or a biological lock (for example, a fingerprint lock and the like).
[0017] In the utility model, the rejector can optionally include the rejector state detection module.
[0018] The rejector state detection module is prior art. It includes, for example, setting a photoelectric sensor in the laser to detect the light emission state of the laser and sending it to the laser emission control unit and to the display screen for display.
[0019] In the above discussion about the rejector, other components commonly used with the rejector, or specific details of the unit or system, which are known to those skilled in the art, are omitted. For example, the rejector is built-in with a satellite positioning chip to read or display the coordinate position of the rejector; the rejector is built-in with a fan to meet the heat dissipation needs of the laser. As for these, those skilled in the art can easily select and configure them as needed, and details are omitted here.
[0020] The utility model is based on the principle that after the laser beam enters the camera optical system, it converges on the focal plane of the optical system, and the high-energy density and high-peak density laser beam causes instantaneous damage to the internal sensor pixels. The rejector is particularly suitable for rejecting short-range airspace, such as unmanned aerial vehicles with a line of sight of 500 meters to 100 meters. BRIEF DESCRIPTION OF DRAWINGS
[0021] The following drawings are exemplary embodiments of the present application. It should be understood that the exemplary embodiments given here are only for understanding the present application and should not be interpreted as a limitation of the present application. Among them:
[0022] Figure 1 The present application provides a kind of hand-held unmanned aerial vehicle rejection unit and the composition of laser emission unit and observation unit, working procedure and output laser beam pattern chart. Among them, the laser emission unit adopts three-stop adjustable beam expander.
[0023] Figure 2 The present application provides another kind of hand-held unmanned aerial vehicle rejection unit, and Figure 1 The difference is that the laser emission unit adopts automatic adjustable beam expander.
[0024] Figure 3 The present application provides another kind of hand-held unmanned aerial vehicle rejection unit, and Figure 1 The difference is that the rejection unit is increased lock / unlock module.
[0025] Explanation of reference signs
[0026] 11, 12, 14 observation unit, 21, 22 laser emission unit, 3 high peak power pulse laser, 41, 42 observation unit ranging result, 5 observation unit observation result, 6 rejection laser beam, 7 visual range 100 meters light spot, 8 visual range 300 meters light spot, 9 visual range 500 meters light spot. Specific embodiments
[0027] The specific embodiments described here are only for illustrating and explaining the present application, and are not used to limit the present application.
[0028] In the present application, the unmanned aerial vehicle refers to a kind of aircraft with weight ≯ 25 kilograms; the short-range refers to the airspace range within 500 meters of visual range.
[0029] In the present application, the configuration refers to the basic composition of components and functional units, such as laser emission unit, observation unit, control unit, power supply and shell, etc. included in the present application.
[0030] The setting includes design and / or arrangement. For example, in order to improve the compactness of the whole rejection unit, the design of the shell structure and the arrangement of the laser emission unit, observation unit, control unit and power supply on the shell, etc.
[0031] In a preferred embodiment, the utility model provides a kind of deterrent using manual three-gear adjustable beam expander.The composition, work flow and output deterrent laser beam mode of laser emission unit and observation unit in the deterrent are as shown in Figure 1
[0032] According to Figure 1 , the laser emission unit 21 includes laser and beam expander, and the observation unit 11 includes range finder and observation device. The beam expander is set to three gears of 500 meters, 300 meters and 100 meters. In use, the target drone is found and ranged by the observation unit 11, and the ranging result 41 is read: at the first gear of 500 meters, the output laser beam divergence angle of the beam expander is adjusted to 0.4 mrad-0.5 mrad; the laser 3 is triggered to emit by the laser according to the observation result 5, and the laser 3 becomes the deterrent laser beam 6 after being output by the beam expander.
[0033] Figure 1 Meanwhile, the second gear of 300 meters is shown, the laser beam divergence angle of the beam expander is adjusted to 0.67 mrad-0.83 mrad; the third gear of 100 meters is shown, the output laser beam divergence angle of the beam expander is adjusted to 2 mrad,
[0034] Figure 1 In the figure, the output laser beams of the three-gear adjustable beam expander are shown as the light spot 9 at 500 meters, the light spot 8 at 300 meters and the light spot at 100 meters, which correspond to the deterrent laser beam I, the deterrent laser beam II and the deterrent laser beam III respectively.
[0035] In another preferred embodiment, the utility model provides a kind of beam expander with automatic adjustment. The composition, work flow and output deterrent laser beam mode of laser emission unit and observation unit in the deterrent are as shown in Figure 2
[0036] According to Figure 2 , the laser emission unit 22 includes laser and beam expander, and the observation unit 12 includes range finder and observation device. The beam expander is a beam expander with automatic adjustment. In use, the target drone is found and ranged by the observation unit 12, and the ranging result 42 is automatically read by the beam expander, and the output laser beam divergence angle of the beam expander is adjusted from 0.4 mrad-0.5 mrad at the range of 500 meters to 2 mrad at the range of 100 meters. Meanwhile, the laser 3 is triggered to emit by the laser according to the observation result 5, and the laser 3 becomes the deterrent laser beam after being output by the beam expander, so as to realize the deterrent 6 of the target drone.
[0037] Figure 2 In the figure, the output laser beams of the beam expander with automatic adjustment are shown as the light spot 9 at 500 meters and the light spot at 100 meters, which correspond to the deterrent laser beam III and the deterrent laser beam IV respectively.
[0038] In another preferred embodiment, the utility model provides a hand -held unmanned plane rejecter including lock / unlock function. Among them, the lock / unlock function is in the observation unit increases the lock / unlock module. The composition, work flow and output reject laser beam pattern of the laser emission unit and the observation unit in this rejecter are as shown in Figure 3 .
[0039] According to Figure 3 , in addition to increasing the lock / unlock function, the others are the same as Figure 1 . The preferred embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the specific details in the above embodiments, and various simple changes can be made to the technical solutions of the utility model within the technical concept range of the utility model, and these simple changes all belong to the protection range of the utility model.
Claims
1. A handheld drone jammer, comprising: The rejecter comprises a laser emission unit containing a high peak power pulse laser and an adjustable beam expander, a sighting unit containing a range finder and a sighting device, a control unit containing a rejecter start and laser emission unit trigger switch, a power supply and a shell, the configuration of the laser emission unit, sighting unit, control unit, power supply, the structure of the shell and the arrangement of the units including the power supply on the carrier meet the following requirements: the rejecter finds, locks and measures the distance of the target drone through the sighting unit, manually or automatically adjusts the output laser beam divergence angle of the beam expander according to the distance measurement result, and then or simultaneously triggers the laser emission unit trigger switch to emit laser to the target drone, wherein the adjustment of the beam expander includes: the adjustment of the beam divergence angle from the range of 500 meters to the range of 100 meters is incremental adjustment, or the adjustment of the beam divergence angle from the range of 100 meters to the range of 500 meters is decremental adjustment.
2. The damper of claim 1, wherein The high peak power pulse laser outputs laser with a wavelength of 0.53 μm and 1.06 μm, a frequency of greater than 1 Hz to 40 Hz, a single pulse output laser total energy of greater than or equal to 100 mJ to less than or equal to 400 mJ, and a frequency-doubled green light energy of 50 mJ to less than or equal to 200 mJ.
3. The damper of claim 2, wherein, The high peak power pulse laser outputs laser with a frequency of 5 Hz to 20 Hz, a single pulse output laser total energy of greater than or equal to 100 mJ to less than or equal to 320 mJ, and a frequency-doubled green light energy of 50 mJ to less than or equal to 160 mJ.
4. The damper of claim 2, wherein, The adjustment of the beam expander in the rejecter includes: the beam divergence angle at the range of 500 meters is 0.4 mrad to 0.5 mrad, and the beam divergence angle at the range of 100 meters is 2 mrad.
5. The damper of claim 1, wherein The sighting device is a television infrared sighting device.
6. The damper of claim 1, wherein The control unit includes a laser emission function lock / unlock module.
7. The damper according to claim 1 or 6, characterized in that The control unit includes a rejecter state detection module.
8. The damper of claim 1, wherein The rejecter includes a support.
Citation Information
Cited By
Handheld laser directional energy system
CN122085299A