KR102312650B1 - Free-fall warhead with precession motion control - Google Patents

Abstract

The present invention relates to a free-falling warhead capable of precession control and a method for controlling the precession of the free-falling warhead, comprising: a warhead main body part that free-falls after being released from an aircraft, and hits a target; and a wing part for precession that generates precession in the warhead main body part that is asymmetrically deployed to the warhead main body part and freely falls. By controlling the precession of the warhead by generating precession to the warhead that is freely falling using the asymmetrically deployed wing for precession, there are no restrictions on the use of platforms such as drones that do not have external forces and that mount a large number of intelligent warheads in a limited space, and the usability of intelligent warheads is greatly improved.

Description

Free-fall warhead with precession control {FREE-FALL WARHEAD WITH PRECESSION MOTION CONTROL}

The present invention relates to a free-falling warhead capable of precession control and a method for controlling the precession of a free-falling warhead.

In general, a plurality of intelligent warheads are mounted inside platforms such as drones and guided weapons to effectively strike a wide area.

In addition, in recent years, the development of a weapon system using a drone is actively being made.

A weapon system using multiple warheads mounted on platforms such as drones and guided weapons effectively suppresses a wide area, so it is used in various attack weapon systems, but there is a problem in that civilian damage is caused by unexploded ordnance.

Accordingly, the weapon system using multiple warheads mounted on platforms such as drones and guided weapons is an intelligent warhead capable of precision strike that detects and strikes targets on the ground by emitting from the sky above the target area to minimize damage to civilians due to unexploded ordnance. It is being developed in a way that is equipped with

The intelligent warhead emitted from the platform uses a method of detecting the target by scanning the ground with precession (rotating the warhead relative to the measured axis) to detect the target in a wide area.

In a way that implements precession on an intelligent warhead, a precession generating device using a rotating rocket motor is used when ejecting.

As a prior patent related to the present invention, Korean Patent Laid-Open No. 2018-0027891 "Warhead ejection apparatus and method" has been proposed.

Korean Patent Laid-Open No. 2018-0027891 "Warhead ejection apparatus and method" relates to a warhead ejection apparatus and method for realizing precession by emitting a warhead. The present invention relates to a warhead ejection device and method for

However, in order to implement the precession movement emitted from the platform, a precession generating device using a rotating rocket motor is used in the case of generating a precession to the warhead through Korean Patent Laid-Open No. 2018-0027891 “Warhead Ejection Device and Method” like a drone. There is a problem in that there is no external force and there is a limitation in the use of a platform that mounts a large number of intelligent warheads in a limited space.

0001) Korean Patent Laid-Open No. 2018-0027891 "Warhead release device and method" (published on March 15, 2018)

An object of the present invention is to generate a precession motion to a warhead that is freely falling using asymmetrically deployed wing for precession, thereby controlling the precession of the warhead. is to provide

In order to achieve the above object of the present invention, an embodiment of a free-fall warhead capable of precession control according to the present invention is a warhead body part that is released from an aircraft and then freely falls, and hits a target, and the warhead body part is asymmetrical. It is characterized in that it comprises a wing for precession for generating a precession movement in the warhead body portion that is deployed in a free fall.

In the present invention, a wing insertion part is located inside the warhead body part where the wing part for precession is inserted, and the wing part for precession is released from the aircraft and deployed to the outside of the warhead body part during free fall. It may be positioned to protrude to the outside of the warhead body part.

In the present invention, a slit for taking out a wing through which the wing for precession located in the wing insert passes is positioned on the outer surface of the warhead body part in the present invention, and the wing for precession is slidably moved or rotated in the wing insert to make the wing It may be deployed to the outside of the warhead body part through the slit for withdrawal.

In the present invention, the wing for precession may be a plate-shaped wing in which one end is rotated around a rotational axis and bent to one side on a plane.

In the present invention, the plate-shaped wing has one inner arc portion located inside the curved portion on the plane, and the first outer arc portion and the first outer arc portion on the one end side on the curved outer side are connected to the first outer arc portion on the plane to extend toward the other end. It may be formed in a waveform including an outer arc portion.

In the present invention, the radius of the first outer arc portion may have a smaller radius than that of the second outer arc portion, and the second outer arc portion may have a smaller radius than the inner arc portion.

In the present invention, the wing portion for precession is rotatably positioned about a rotation axis within the wing insertion portion of the warhead body portion, and an embodiment of a free-fall warhead capable of precession control according to the present invention is the wing for precession. It may further include a rotation motor for wing deployment to rotate the unit.

An embodiment of the free-fall warhead capable of precession control according to the present invention may further include an opening/closing part for wing-out that slides within the wing insertion part to open and close the slit part for wing-out.

In the present invention, a moving gear unit provided with a plurality of teeth spaced apart in the longitudinal direction is positioned on the inner surface of the opening and closing unit for blade extraction in the present invention. A pinion gear part for opening and closing for opening and closing the opening and closing part for the blade extraction may be located.

In the present invention, the pinion gear part for opening and closing is provided integrally with the rotation shaft of the wing for precession, and when the wing for precession is rotated, the moving gear part rotates together and slides to move the meshed portion to gradually open the slit for taking out the blade. can do.

In the present invention, the wing unit for precession may include a first wing member, a second wing member rotatably connected to the first wing member, and a rotation motor for adjusting an angle for rotating the second wing member.

In the present invention, the rotation motor for adjusting the angle may be a step motor.

In the present invention, the second wing member may be rotated about an axis positioned in the longitudinal direction of the wing.

In order to achieve the above object of the present invention, an embodiment of the method for controlling the precession of a free-falling warhead according to the present invention is released in the free-falling warhead ejection step, the warhead release step by emitting the warhead body, which is an intelligent warhead, from an aircraft. It is characterized in that it includes a precession step of precessing the warhead body by deploying an asymmetrical precession wing to one side of the warhead body, which is an intelligent warhead in free fall.

An embodiment of the method for controlling the precession of a free-falling warhead according to the present invention includes a target detection step of detecting a target by scanning the ground with a target detection sensor located on the warhead body during precession, and a target detection step detected in the target detection step. It may further include a target striking step of hitting the target.

The present invention controls the precession of a warhead by generating a precession motion to a warhead that is freely falling using asymmetrically deployed wing for precession, so that there is no external force like a drone like a drone in a platform that mounts a plurality of intelligent warheads in a limited space. There is no limit to the use, and it has the effect of greatly improving the utility of the intelligent warhead.

In addition, the present invention has the effect of improving the striking accuracy of the intelligent warhead and increasing the striking efficiency by controlling the precession of the intelligent warhead to precisely hit the target with the intelligent warhead.

1 is a perspective view showing an embodiment of a free-fall warhead capable of precession control according to the present invention.
2 and 3 are views showing an operation example of the wing for precession in a free-fall warhead capable of precession control according to the present invention.
4 is a perspective view showing another embodiment of a free-fall warhead capable of precession control according to the present invention.
5 is a schematic diagram showing an example of application of a free-fall warhead capable of precession control according to the present invention.

Hereinafter, the present invention will be described in more detail.

A preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings as follows. Prior to the detailed description of the present invention, the terms or words used in the present specification and claims described below should not be construed as being limited to conventional or dictionary meanings. Accordingly, the configuration shown in the embodiments and drawings described in the present specification is merely the most preferred embodiment of the present invention and does not represent all the technical spirit of the present invention, so at the time of the present application, various It should be understood that there may be equivalents and variations.

1 is a perspective view showing an embodiment of a free-fall warhead capable of precession control according to the present invention. Referring to FIG. 1 , the free-fall warhead capable of precession control according to the present invention is released from the vehicle and then free falls. and a warhead body portion 100 for striking a target.

The warhead body unit 100 is an intelligent warhead that free-falls after being released from a platform such as a drone or a guided weapon, that is, a flying vehicle such as a drone or a guided weapon, detects a target, and strikes the detected target.

The intelligent warhead may be variously modified and implemented as a known intelligent warhead in which a target detection sensor 120 for detecting a target is located on one side of the warhead body part 100, and a more detailed description will be omitted.

A wing unit 200 for precession that generates a precession motion in the warhead body unit 100 that is asymmetrically deployed and freely falls is located in the warhead body unit 100 .

A wing insertion part 111 into which the wing part 200 for precession is inserted is positioned inside the warhead body part 100 .

The wing part 200 for precession is inserted into the wing insertion part 111 in the warhead body part 100 before the warhead body part 100 is released from the aircraft.

In addition, the wing unit 200 for precession is positioned to protrude to the outside of the warhead body unit 100 after the warhead body unit 100 is released from the aircraft and deployed to the outside of the warhead body unit 100 during free fall.

The wing part 200 for precession is positioned to protrude to the outside of the warhead body part 100 during deployment to generate a precession motion in the free-falling warhead body part 100 .

As an example, the wing unit 200 for precession is deployed to include only one wing and protrudes to one side of the warhead body unit 100 to be positioned in an asymmetrical shape.

Although not shown, the wing unit 200 for precession may be deployed including a plurality of wings, and at this time, the plurality of wings are arranged in an asymmetrical form to generate a precession motion to the warhead in free fall. Make it clear that it can be done.

It should be noted that the precession movement is a known rotational movement in which the warhead body part 100 is rotated in a tilted state based on the measured axis, and a more detailed description will be omitted.

On the outer surface of the warhead body part 100 , the wing part 200 for precession located in the wing insertion part 111 is deployed, and a slit part 112 for taking out the wing to be withdrawn to the outside of the warhead body part 100 . is located

The slit part 112 for taking out the wing is located on the outer surface of the warhead housing 110 in order to withdraw the wing part for precession located in the warhead housing 110 of the warhead body part 100 .

A wing insert 111 into which the wing for precession is inserted is positioned on the upper portion of the warhead housing 110, and a slit 112 for wing out is positioned on the outer surface of the wing insert 111 to the inside. The positioned wing for precession passes through and is deployed to the outside of the warhead housing 110 .

It should be noted that the warhead housing 110 has a cylindrical shape as an example, and can be formed in various shapes used in known intelligent warheads.

The wing unit 200 for precession is exemplified by a plate-shaped wing having flat upper and lower surfaces, and a plate-shaped wing bent to one side on a plane as an example.

The plate-shaped wing may have one inner arc portion 200c positioned on the inside bent on a plane, and a first outer arc portion 200a and a second outer arc portion 200b on the outside to be formed in a wavy shape.

In addition, the center of rotation of the plate-shaped blade is located on one end side, the plate-shaped blade is rotated about the rotation shaft 201 and the other end side is drawn out through the slit part 112 for blade extraction and is deployed as an example.

And, the outer side of the plate-shaped wing bent to one side is connected to the first outer arc portion 200a and the first outer arc portion 200a located on the one end side of the plate-shaped wing extending toward the other end of the plate-shaped wing. 2 It is formed in a waveform including the outer arc portion 200b, and the radius of the first outer arc portion 200a is smaller than that of the second outer arc portion 200b, that is, has a smaller curvature, and the second outer arc portion ( As an example, 200b) has a smaller radius than that of the inner arc portion 200c, that is, a smaller curvature.

This is to facilitate the precession of the warhead body part 100 and allow the warhead body part 100 to be tilted and rotated within a pre-designed inclination range to perform precession, thereby providing accuracy in detecting targets on the ground. can improve

Meanwhile, the wing unit 200 for precession may be slidably moved or rotated within the wing insertion unit 111 to be deployed outside the warhead body unit 100 , that is, outside the warhead housing 110 .

2 and 3 are views showing an operation example of the wing unit 200 for precession in a free-fall warhead capable of precession control according to the present invention, and referring to FIGS. 2 and 3 , the wing unit for precession ( 200) is rotatably positioned about the rotation shaft 201 in the wing insertion part 111 of the warhead housing 110, and the free-fall warhead capable of precession control according to the present invention is a precession wing part 200 ) further includes a rotation motor 300 for wing deployment to rotate and deploy.

In addition, the free-fall warhead capable of precession control according to the present invention further includes an opening/closing unit 400 for opening and closing the slit unit 112 for withdrawing the blades by sliding within the blade insertion unit 111 .

The opening/closing unit 400 for taking out the blades slides along the inner surface of the warhead housing 110 to open the slit 112 for drawing out the blades.

The opening and closing part 400 for wing withdrawal is located in a state in which the slit part 112 for wing extraction is closed before the warhead body part 100 is released from the aircraft, the warhead body part 100 is released from the aircraft, and the wing part for precession When the 200 is deployed, the slit part 112 for taking out the blade is opened so that the wing part 200 for precession can be withdrawn through the slit part 112 for drawing out the blade.

The rotary motor 300 for wing deployment controls the amount of rotation of the wing unit 200 for precession to control the area of the wing unit 200 for precession drawn out to the outside of the warhead body unit 100 and the wing unit for precession. The position at which 200 protrudes can be controlled.

The wing part 200 for precession is rotated by the operation of the rotation motor 300 for wing deployment, so that an area and a protruding position of the warhead housing 110 among the other end sides can be adjusted.

That is, the rotation motor 300 for wing deployment rotates the wing part 200 for the precession movement around the rotation shaft 201 and protrudes to the outside of the warhead housing 110 through the slit part 112 for taking out the wing. The precession of the warhead body part 100 can be controlled by adjusting the area and the protruding position of the wing part 200 for precession exposed to the outside of the housing 110 .

In addition, the moving gear unit 500 provided with a plurality of teeth spaced apart in the longitudinal direction is positioned on the inner surface of the opening/closing unit 400 for wing extraction, and is engaged with the moving gear unit 500 in the wing insertion unit 111 for wing deployment A pinion gear unit 600 for opening and closing which is rotated by receiving the rotational force of the rotation motor 300 is located.

The pinion gear unit 600 for opening and closing is provided integrally with the rotation shaft 201 of the wing unit 200 for precession, and is rotated together when the wing unit 200 for precession is rotated to slide the meshed moving gear unit 500. move it

The opening/closing unit 400 for wing withdrawal is when the opening/closing pinion gear unit 600 is engaged with the moving gear unit 500 and rotates, that is, when the wing unit 200 for precession is rotated, the inner surface of the warhead housing 110 While moving along, the slit portion 112 for taking out the blades is gradually opened.

Accordingly, the other end side of the wing unit 200 for precession protrudes to the outside of the warhead housing 110 through the slit unit 112 for wing extraction that is gradually opened, and the area and the protruding position of the wing unit are adjusted.

In addition, the opening/closing unit 400 for taking out the blades controls the opening/closing amount of the slits for taking out the blades 112 according to the area where the blades 200 for precession are drawn out. It maintains a stable posture and allows the precession of the warhead body part 100 to be stably controlled.

4 is a perspective view illustrating another embodiment of a free-fall warhead capable of precession control according to the present invention. Referring to FIG. 4 , the wing unit 200 for precession includes a first wing member 210 and a first wing. It may include a second wing member 220 rotatably connected to the member 210 , and a rotation motor 230 for adjusting an angle for rotating the second wing member 220 .

The rotation motor 230 for angle adjustment is a step motor that rotates the second wing member 220 step by step in a preset angle range to control the posture of the warhead body part 100 through the angle adjustment of the second wing member 220 . can do.

As an example, the second wing member 220 is rotated about an axis positioned in the longitudinal direction of the wing.

The second wing member 220 is rotated about an axis positioned in the longitudinal direction of the wing to control the precession movement of the warhead body part 100, and when the warhead body part 100 hits a target, the warhead body part 100 ) to improve the hitting accuracy by controlling the posture.

5 is a schematic diagram illustrating an example of application of a free-fall warhead capable of precession control according to the present invention, and with reference to FIG. The warhead body part 100 is released from the platform 10 to free fall, and while the warhead body part 100 is in free fall, the wing part 200 for precession is deployed while washing the warhead body part 100 in free fall. movement will occur.

The warhead body part 100, which is an intelligent warhead, rotates through precession and scans the ground within a rotation radius, detects the target 20 with the target detection sensor 120 during the scan, and detects the detected target 20. can hit

In more detail, an embodiment of the method for controlling the precession of a free-falling warhead according to the present invention is a warhead discharging step in which the warhead body part 100, which is an intelligent warhead, is released from an aircraft to freely fall, and is released in the free-falling step. It includes a precession step of precessing the warhead body 100 by deploying the asymmetrical precession wing 200 to one side of the warhead body 100, which is an intelligent warhead.

In addition, the method for controlling the precession of a free-falling warhead according to the present invention includes a target detection step of detecting the target 20 by scanning the ground with the target detection sensor 120 located in the warhead main body 100 during precession. It may further include a target striking step of hitting the target 20 detected in the detection step.

The target detection step and the target hitting step can be variously modified through known embodiments for target detection and target hitting using an intelligent warhead, and a more detailed description will be omitted.

That is, in the method for controlling the precession of a free-falling warhead according to the present invention, the warhead body 100 that is released from a platform 10 such as a drone or a guided weapon and freely falls is deployed to the outside of the warhead housing 110 after free fall. Precession is carried out by air resistance generated in the wing unit 200 for precession during free fall through the wing unit 200 for precession that is It is possible to stably generate a precession motion in the warhead body part 100 .

The present invention uses the asymmetrically deployed wing unit for precession 200 to generate a precession motion to a warhead that is freely falling to control the precession motion of the warhead. There is no limit to the use of the platform 10, and the utility of the intelligent warhead can be greatly improved.

In addition, the present invention can control the precession of the intelligent warhead to precisely strike a target with the intelligent warhead, thereby improving the striking accuracy of the intelligent warhead and increasing the striking efficiency.

It should be noted that the present invention is not limited to the above-described embodiments, and can be implemented with various modifications without departing from the gist of the present invention, which is included in the configuration of the present invention.

10: platform 20: target
100: warhead body part 110: warhead housing
111: wing insertion part 112: slit for wing extraction
120: target detection sensor 200: wing for precession
200a: first outer arc part 200b: second outer arc part
200c: inner arc part 201: rotation shaft
210: first wing member 220: second wing member
230: rotation motor for angle adjustment 300: rotation motor for wing deployment
400: opening and closing part for wing extraction 500: moving gear part
600: pinion gear part for opening and closing

Claims (15)

After being released from the vehicle, it is free-falling, and a warhead body portion that strikes a target; and
and a wing portion for precession that generates a precession movement in the warhead body portion that is asymmetrically deployed to the warhead body portion and freely falls,
Inside the warhead body part, there is a wing inserting part into which the wing for precession is inserted,
The precession wing portion is a free-fall warhead capable of precession control, characterized in that the warhead body is released from the aircraft and deployed to the outside of the warhead body during free fall to protrude to the outside of the warhead body.
delete The method according to claim 1,
On the outer surface of the warhead body part, a slit for taking out a wing through which the wing for precession located in the wing insertion part passes is located,
The free-fall warhead capable of precession control, characterized in that the wing for precession is slidably moved or rotated within the wing insert, passes through the slit for taking out the wing and is deployed to the outside of the warhead body.
delete After being released from the vehicle, it is free-falling, and a warhead body portion that strikes a target; and
and a wing portion for precession that generates a precession movement in the warhead body portion that is asymmetrically deployed to the warhead body portion and freely falls,
The wing for precession is a plate-shaped wing in which one end is rotated about the axis of rotation and bent to one side on a plane,
The plate-shaped wing has one inner arc portion positioned inside the curved portion on the plane, and the second outer arc portion extending toward the other end by being connected to the first outer arc portion and the first outer arc portion on the one end side on the curved outer side on the plane. A free-fall warhead capable of precession control, characterized in that it is formed in a waveform including.
6. The method of claim 5,
The radius of the first outer arc portion has a smaller radius than the second outer arc portion,
The free-fall warhead capable of precession control, characterized in that the second outer arc portion has a smaller radius than the inner arc portion.
4. The method according to claim 3,
The wing portion for precession is rotatably positioned about a rotational axis within the wing insertion portion of the warhead body portion,
Free-fall warhead capable of precession control, characterized in that it further comprises a rotary motor for wing deployment that rotates and deploys the wing for precession.
8. The method of claim 7,
Free-fall warhead capable of precession control, characterized in that it further comprises an opening/closing part for wing-out which slides within the wing insertion part to open and close the slit for wing-out.
9. The method of claim 8,
A moving gear part provided with a plurality of teeth spaced apart in the longitudinal direction is positioned on the inner surface of the opening and closing part for blade extraction,
Precession control possible free fall, characterized in that the opening/closing pinion gear part is positioned within the blade insertion part, which is engaged with the moving gear part and rotates by receiving the rotational force of the rotation motor for blade deployment to open and close the opening and closing part for blade extraction. warhead.
10. The method of claim 9,
The pinion gear part for opening and closing is provided integrally with the rotation shaft of the wing for precession, and when the wing for precession is rotated, the moving gear part rotates together and slides to move the meshed moving gear part to gradually open the slit for taking out the blade. A free-fall warhead capable of precession control.
Free fall after being released from the vehicle, the warhead body portion to hit the target; and
and a wing portion for precession that generates a precession movement in the warhead body portion that is asymmetrically deployed to the warhead body portion and freely falls,
The wing part for the precession movement,
a first wing member; and
A free-fall warhead capable of precession control, comprising: a second wing member rotatably connected to the first wing member; and a rotation motor for adjusting an angle for rotating the second wing member.
12. The method of claim 11,
The free-fall warhead capable of precession control, characterized in that the rotation motor for angle adjustment is a step motor.
12. The method of claim 11,
The second wing member is a free-fall warhead capable of precession control, characterized in that it is rotated about an axis positioned in the longitudinal direction of the wing.
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