CN217049039U

CN217049039U - Target capture device of airborne anti-unmanned aerial vehicle

Info

Publication number: CN217049039U
Application number: CN202123428560.1U
Authority: CN
Inventors: 崔雪锴; 白越; 杨生; 郭瑞雪; 乔正; 裴信彪
Original assignee: Changchun Changguang Boxiang Uav Co ltd
Current assignee: Changchun Changguang Boxiang Uav Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-26
Anticipated expiration: 2031-12-31

Abstract

The utility model provides a target capturing device of an airborne anti-unmanned aerial vehicle, which comprises an angle-variable device, a bottom plate, angle-variable plates distributed in the circumferential direction of the bottom plate and ejection devices fixed on each angle-variable plate; the ejection device comprises a power assembly, a traction head, an ejection push rod and a traction head trajectory cylinder of an axis vertical angle-changing plate, and the ejection push rod slides in the traction head trajectory cylinder; the plurality of traction heads are fixedly connected with the capture net in the circumferential direction, each traction head is arranged in a traction head trajectory cylinder, and the power assembly provides thrust for the ejection push rod to eject the traction head; the angle-variable plate is hinged with the bottom plate; the angle changing device is connected with the bottom plate and the angle changing plate and used for adjusting the inclination angle of the angle changing plate relative to the bottom plate so as to change the launching angle of the traction head. The catching net is driven to catch by the ejection traction head, and compared with a high-pressure gas cylinder, the high-pressure gas cylinder is high in reusability, and the catching net and the traction head only need to be filled after each catching; and the catching net can not rebound before catching the target unmanned aerial vehicle.

Description

Target capture device of airborne anti-unmanned aerial vehicle

Technical Field

The utility model relates to an anti-unmanned air vehicle technique field especially relates to anti-unmanned air vehicle's of machine year target capture device.

Background

In recent years, the market of consumer-grade unmanned aerial vehicles is rapidly developed, a lot of black flies appear, and the safety of life and production is seriously influenced, especially in airports, major conferences, large-scale gatherings and the like. The anti-unmanned aerial vehicle technology is developed at the same time, the development trend of the anti-unmanned aerial vehicle technology is systematized, and earlier practice shows that various detection means are integrated and comprehensively used, so that the unmanned aerial vehicle can be quickly discovered; the functions of detection, tracking, aiming, interference, destruction and the like are organically integrated, and effective response to the enemy unmanned aerial vehicle can be realized. Secondly, the process is smart. To effectively address the threat of a single drone, anti-drone weapons will become more compact and portable. The existing anti-unmanned aerial vehicle means are divided into hard killing and soft killing, wherein the hard killing refers to the striking-off of the black flying unmanned aerial vehicle through weapons such as laser and bullets; the soft killer means that the black unmanned aerial vehicle is interfered by electromagnetic interference and is forced to land at a specified place. Because the hard killing can cause secondary damage, and the soft killing is long at preparation time at every turn, and use cost is high, but now proposes an unmanned aerial vehicle reaction device of carrying on unmanned aerial vehicle, can realize independently aiming, portable dexterity, and the use occasion is extensive.

In a Chinese patent with the application number of CN201810401184.0, the application date of 2018, 12.04 and 12, and the name of 'an unmanned aerial vehicle airborne net gun device', a high-pressure gas cylinder is used for pushing a traction head to eject a fiber net, but the reaction force when the high-pressure gas cylinder is released is easy to cause the unmanned aerial vehicle executing a capturing task to be unstable; the Chinese patent with the application number of CN201710166611.7, the application date of 2017, 03 and 20 and the name of 'an unmanned aerial vehicle-mounted pneumatic net throwing device', also utilizes a high-pressure gas cylinder to launch, and although the problem of reaction force is solved, the high-pressure gas cylinder is utilized to enable the single capture cost to be too high, and the problem of difficult aiming exists when capturing a target unmanned aerial vehicle.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem, provided and used the less spring of reaction force to provide ejection force for the anti-unmanned aerial vehicle's of machine year target capture device.

In order to achieve the above purpose, the utility model adopts the following specific technical scheme:

the target capturing device of the airborne anti-unmanned aerial vehicle comprises an angle changing device, a bottom plate, angle changing plates distributed on the circumference of the bottom plate and ejection devices fixed on each angle changing plate;

the ejection device comprises a power assembly, a traction head, an ejection push rod and a traction head trajectory cylinder of the axis vertical angle-variable plate, and the ejection push rod slides in the traction head trajectory cylinder;

the plurality of traction heads are fixedly connected with the capture net in the circumferential direction, each traction head is arranged in a traction head trajectory cylinder, and the power assembly provides elasticity for the ejection push rod to eject the traction head through a spring;

the angle-variable plate is hinged with the bottom plate;

the angle changing device is connected with the bottom plate and the angle changing plate and used for adjusting the inclination angle of the angle changing plate relative to the bottom plate so as to change the launching angle of the traction head.

The utility model discloses can gain following technological effect:

the smaller reaction force of the spring also enables the unmanned aerial vehicle to fly more stably and track and aim when being captured. Need not to adopt jettison device such as gas cylinder or gunpowder, adopt the spring to launch the traction head instead and drive and catch the net and catch, the spring is compared in the gas cylinder multiplexibility strong, only needs to load after catching at every turn and catches net and traction head, and the recoil when the spring launches is little, consequently need not the bradyseism device, and this makes the utility model discloses lighter-weight more, it is little to the performance requirement of unmanned aerial vehicle machine.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of an ejection device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an angle changing device according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of the angle-changing device according to another angle of the embodiment of the present invention;

fig. 5 is a schematic structural view of a traction head launch canister according to an embodiment of the present invention;

fig. 6 is a schematic structural view of the ejection push rod and the stop lever according to the embodiment of the present invention;

fig. 7 is a schematic structural view of an ejection push rod according to an embodiment of the present invention.

Reference numerals are as follows: 1. a power assembly; 2. a three-degree-of-freedom holder; 3. an angle-variable device; 11. a tractor ballistic cylinder; 12. a tractor ballistic cylinder mount; 13. a catching net placing box; 14. a base plate; 15. a variable angle plate; 16. a stop lever; 17. ejecting a push rod; 31. a connecting rod; 32. a screw rod slide block base; 33. a slider; 34. and a screw rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not constitute limitations thereof.

The target capture device of the airborne anti-unmanned aerial vehicle shown in fig. 1 comprises a variable angle device 3, a bottom plate 14, variable angle plates 15 distributed on the circumference of the bottom plate 14 and ejection devices fixed on each variable angle plate 15.

Preferably, the number of the traction heads is 4, and the traction heads are uniformly distributed at four corners of the catching net; the traction head is connected with the catching net through a connecting line. Can increase or reduce the quantity of traction head ejection of cartridge according to the demand in the reality is used, the length of traction head ejection of cartridge also can change according to required different springs. The number of the traction heads is 4 for subsequent description.

Preferably, the traction head and the circumference of the catching net are fixedly connected through a connecting line.

The ejection device shown in fig. 2 comprises a power assembly 1, a traction head, an ejection push rod 17 and a traction head ballistic tube 11 of an axis vertical angle-changing plate 15, wherein the ejection push rod 17 slides in the traction head ballistic tube 11; four traction heads are arranged in four traction head trajectory cylinders, the four traction heads are connected with four corners of the catching net through connecting lines, each traction head is arranged in the traction head trajectory cylinder 11, and a power assembly provides elasticity through a spring to enable an ejection push rod 17 to eject the traction head.

Wherein, the angle-variable plate 15 is hinged with the bottom plate 14; the bottom plate 14 is a rectangular plate, and four variable angle plates are arranged around the bottom plate by hinges in a central symmetry mode. Become angle device 3 and restrict the contained angle of angle board 15 and bottom plate, and two board orientations are caught unmanned aerial vehicle's direction contained angle can not be less than 180. The angle changing device 3 is connected with the base plate 14 and the angle changing plate 15 and is used for adjusting the inclination angle of the angle changing plate 15 relative to the base plate 14 so as to change the launching angle of the traction head. The angle-changing device 3 can be seen from the prior art in the mechanical field for angle-adjusting devices for two plates, or preferably in the construction described below.

Preferably, as shown in fig. 5-7, the ejection end of the ejection push rod 17 is slidably fitted in the traction head ballistic tube 11, and the spring abuts between the ejection end of the ejection push rod 17 and the bottom of the traction head ballistic tube 11; the spring is in a compressed state before the pulling head is fired. The loading is completed by compressing the spring and ejecting the push rod.

The other end of the ejection push rod 17 penetrates through the angle-variable plate 15; the power assembly further comprises a stop lever 16;

the other end of the ejection push rod 17 is provided with a groove, before the ejection starts, one end of the stop lever 16 is inserted into the groove, and the spring is compressed by the ejection push rod 17. The other end of the stop lever 16 is connected with a driving component, and the driving component drives one end of the stop lever 16 to leave the groove during ejection. On one side of the bottom surface of the bottom plate, a groove which is perpendicular to the axial direction of the traction head trajectory cylinder 11 is formed in the position where the other end of the ejection push rod extends out after being loaded, and the width of the groove is slightly larger than that of the stop lever 16.

Specifically, as shown in fig. 5, the ejection end of the ejection push rod 17 compresses a spring in the traction head ballistic tube through the ejection push rod 17, and the other side of the bottom plate, i.e., one side of the bottom surface thereof, as shown in fig. 6, one end of the stop lever 16 is matched with a slot on the ejection push rod 17, and the ejection push rod 17 is limited after the spring is compressed. As shown in fig. 6, in addition, in order to prevent the ejection push rod 17 from being separated from the system during ejection, an external thread is tapped at the tail end of the ejection push rod 17, and after the ejection push rod is installed, the ejection push rod 17 is limited at the tail end by a screw.

Preferably, the driving assembly is a steering engine for driving each stop lever 16, and all the steering engines move simultaneously to separate one end of each stop lever 16 from the groove. Four pin 16 are through four steering wheel synchro control, after accomplishing aim target unmanned aerial vehicle, four steering wheel simultaneous movement make the one end of pin 16 break away from the recess that launches push rod 17, the spring release promotes to launch push rod 17 and launches the traction head, the traction head through with catch the line between the net and take out and catch the net, because traction head trajectory section of thick bamboo 11 is towards four different directions respectively, the traction head can drive and catch the net and open, the angle of calculating through control system, catch target unmanned aerial vehicle when catching net and open the area the biggest.

Preferably, the angle-variable plate 15 is provided with a guide hole matched with the ejection push rod 17. The angle-variable plate 15 and the traction head ballistic tube base 12 are respectively provided with a guide hole, so that the ejection end of the ejection push rod 17 can penetrate through the angle-variable plate 15 to enter the traction head ballistic tube 11. The ejection push rod 17 is in clearance fit with the guide hole, and the guide hole plays a certain guiding role for the ejection push rod 17.

Preferably, the target capturing apparatus further comprises a net-catching-placing box 13 fixed on the top surface of the base plate 14, and a groove on the net-catching-placing box 13 and a groove are formed at the corresponding position of the traction head trajectory tube 11 so that a connection line between the traction head and the net can pass through the groove. The four ballistic cylinders are provided with grooves, so that connecting lines between the traction head and the catching net can pass through the grooves. The catching net placing box is arranged in the middle of the four traction head trajectory cylinders, and four sides of the catching net placing box are provided with grooves, so that the traction heads and the catching net connecting wires can penetrate through the grooves.

Preferably, as shown in fig. 3-4, the angle changing device 3 comprises a slide block 33 and a screw rod 34 which are matched with each other, and a number of connecting rods 31 equal to that of the traction heads;

the screw rod 34 is vertically fixed on the center of the bottom surface of the bottom plate 14, the sliding block 33 is sleeved outside the screw rod 34, and the screw rod 34 rotates under the driving of the motor so as to drive the sliding block 33 to move along the axial direction of the screw rod 34;

one side of the angle changing plate is provided with a hinge connected with a connecting rod 31, and the traction head ballistic tube and the base 14 are arranged on the other side of the angle changing plate in a matching way.

Four become angle boards 15 and are connected to the hinge on four faces of slider through connecting rod 31, form crank slider mechanism, through the position of control slider, the angle of adjustment angle board to the open angle of four traction head trajectory cylinders of control is the angle of difference according to unmanned aerial vehicle aircraft and target unmanned aerial vehicle's distance control traction head trajectory cylinder when launching the catching net.

One end of the connecting rod 31 is hinged with the circumferential direction of the sliding block 33, the other end of the connecting rod 31 is hinged with the angle-variable plate 15, and the launching angle of the traction head ballistic tube 11 is adjusted by adjusting the position of the sliding block 33 on the screw rod 34. The screw rod sliding block base 32 is fixedly installed on the bottom plate 14, four symmetrical hinge seats are arranged on four surfaces of the sliding block 33, the four hinge seats are connected with the hinge seat on one side of the angle-variable plate 15 through the connecting rod 31, and the emission angle of the traction head is adjusted by adjusting the position of the sliding block 33 on the screw rod 34.

Preferably, the hardware part of the target capturing device comprises a binocular camera, a three-degree-of-freedom holder, a capturing net launching device and a launching angle adjusting device, and the control part comprises a communication module and a target position resolving module. The four traction heads are ejected through the springs to emit the capture net, the target position is captured through the binocular camera, automatic aiming is carried out through the three-degree-of-freedom cradle head, and the capture of the black flying unmanned aerial vehicle is achieved. Can assist unmanned aerial vehicle to carry out closely tracking to target unmanned aerial vehicle and aim, improve and catch the success rate, also make the advantage of spring to remain, carry out safe and reliable's seizure to the target, the smaller reaction force of spring also makes the flight that unmanned aerial vehicle carries can be more stable when catching and track and aim.

The target capturing device also comprises a binocular camera, a three-degree-of-freedom holder 2 and a control system, and the bottom plate 14 is fixed on the three-degree-of-freedom holder 2;

the binocular camera is used for obtaining an image of the target unmanned aerial vehicle, and the control system calculates the target position of the target unmanned aerial vehicle according to the image;

the control system controls the three-freedom-degree holder 2 to automatically aim, and calculates and controls the launching angle of the traction head.

The utility model discloses an automatic aiming system can catch when unmanned aerial vehicle carries the machine and more is close the target, consequently need not to adopt jettison device such as gas cylinder or gunpowder, changes to adopt the spring to launch the traction head and drive and catches the net, and the spring is compared strong in the high-pressure gas cylinder reusability, only needs to load after catching at every turn and catches net and traction head, and recoil when the spring launches is little, consequently need not the bradyseism device, and this makes the utility model discloses lighter-weight more, it is little to unmanned aerial vehicle carry the performance requirement of machine. The angle of the traction head far away from the axis in the ejection moment is adjusted in real time through the variable angle module, so that the catching net cannot rebound before catching the target unmanned aerial vehicle.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limiting the invention. Variations, modifications, substitutions and alterations of the above-described embodiments may occur to persons of ordinary skill in the art without departing from the scope of the invention.

The above detailed description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The target capturing device of the airborne unmanned aerial vehicle is characterized by comprising an angle-variable device (3), a bottom plate (14), angle-variable plates (15) distributed on the circumference of the bottom plate (14) and ejection devices fixed on the angle-variable plates (15);

the ejection device comprises a power assembly, a traction head, an ejection push rod (17) and a traction head ballistic tube (11) of which the axis is vertical to the angle-variable plate (15), wherein the ejection push rod (17) slides in the traction head ballistic tube (11);

the traction heads are fixedly connected with the capture net in the circumferential direction, each traction head is arranged in the traction head trajectory barrel (11), and the power assembly provides elastic force through a spring to enable the ejection push rod (17) to eject the traction head;

the angle-variable plate (15) is hinged with the bottom plate (14);

the angle changing device (3) is connected with the bottom plate (14) and the angle changing plate (15) and is used for adjusting the inclination angle of the angle changing plate (15) relative to the bottom plate (14) so as to change the launching angle of the traction head.

2. The target capturing device of claim 1, characterized in that the ejection end of the ejection push rod (17) is slip fitted inside the traction head ballistic barrel (11), the spring abutting between the ejection end of the ejection push rod (17) and the bottom of the traction head ballistic barrel (11); before the pulling head is ejected, the spring is in a compressed state.

3. The object capturing device according to claim 2, characterized in that the other end of the ejector push rod (17) passes through the angle-changing plate (15);

the power assembly further comprises a stop lever (16);

a groove is formed in the other end of the ejection push rod (17), one end of the stop lever (16) is inserted into the groove and the spring is compressed by the ejection push rod (17) before ejection starts;

the other end of the stop lever (16) is connected with a driving component, and the driving component drives one end of the stop lever (16) to leave the groove during ejection.

4. The object capturing device according to claim 3, characterized in that the driving assembly is a steering engine driving each of the blocking levers (16), all steering engines moving simultaneously so that one end of the blocking lever (16) is disengaged from the groove.

5. The object capturing device according to claim 3, characterized in that the angle-variable plate (15) is provided with a guiding hole for cooperating with the ejector push rod (17).

6. The target capturing apparatus of claim 1, wherein the number of the tow heads is 4, evenly distributed at four corners of the capturing net;

the traction head is connected with the catching net through a connecting line.

7. The object capturing device according to claim 6, characterized by further comprising a net-trapping box (13) fixed on the top surface of the bottom plate (14), the slots on the net-trapping box (13) and the corresponding positions of the tow head ballistic cylinder (11) being slotted so that the connection line between the tow head and the net can pass through the slots.

8. Target capturing device according to claim 1, characterized in that the angle-changing device (3) comprises cooperating slides (33) and screws (34), as many links (31) as there are traction heads;

the screw rod (34) is vertically fixed on the center of the bottom surface of the bottom plate (14), the sliding block (33) is sleeved outside the screw rod (34), and the screw rod (34) is driven by a motor to rotate so as to drive the sliding block (33) to move along the axial direction of the screw rod (34);

one end of the connecting rod (31) is hinged with the circumferential direction of the sliding block (33), the other end of the connecting rod (31) is hinged with the angle changing plate (15), and the launching angle of the traction head ballistic tube (11) is adjusted by adjusting the position of the sliding block (33) on the screw rod (34).