Magnetic resistance launcher projectile

Abstract

The invention provides a magnetic resistance launcher projectile which comprises a cylindrical projectile body, and the projectile body serves as a ferromagnetic armature and is driven by electromagnetic force generated by an electrified coil of a magnetic resistance launcher to move in an accelerated mode. The ferromagnet armature is provided with a through hole penetrating in the axial direction of the ferromagnet armature, and the through hole is used for reducing the weight and increasing the speed of the ferromagnet armature and also used for installing an additional functional part on the ferromagnet armature; wherein the additional functional part comprises a head cone, a tail body and a connecting shaft; the head cone and the tail body are coaxially butted with the two ends of the ferromagnet armature respectively; the connecting shaft penetrates through the through hole and two ends of the connecting shaft are respectively connected with the head cone and the tail body. According to the magnetic resistance launcher projectile provided by the invention, the through hole is formed in the ferromagnet armature, so that on one hand, the parasitic mass of the ferromagnet armature can be reduced, the launching efficiency of the magnetic resistance launcher projectile is improved, and on the other hand, mounting positions of additional functional parts such as an electric shock function and a chemical stimulation function can be provided; therefore, the application function diversity of the magnetic resistance launcher projectile is improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of non-lethal weapons and equipment, and in particular relates to a magnetoresistive launcher projectile. Background Art

[0002] Non-lethal weapons have enormous potential for application in areas such as maintaining stability, conflict resolution, riot control, and counter-terrorism. Traditional non-lethal weapons primarily rely on non-lethal kinetic energy weapons, which use compressed gas or gunpowder gas as a power source and employ rubber or plastic bullets with graded velocity control to engage targets. Kinetic energy weapons lack precise control over projectile velocity, posing a risk of fatal damage to the target. The application of magnetoresistive launcher technology in the non-lethal weapons sector offers a promising solution to this problem. A magnetoresistive launcher utilizes the electromagnetic force generated by an energized coil to propel a projectile (with a magnetically conductive material as the armature) for launch. The electromagnetic coil and a trigger control system work together to convert electrical energy into kinetic energy, thereby achieving non-lethal precision strikes on targets. Currently, research on magnetoresistive electromagnetic launchers has been conducted both domestically and internationally, with progress achieved in launcher efficiency and trigger control systems. However, the projectile armatures used with these launchers typically utilize cylindrical or cylindrical structures with tapered tips. These disadvantages include low launch efficiency due to the large parasitic mass of the armature, and are often limited to non-lethal impact projectiles with limited application capabilities. Summary of the Invention

[0003] An embodiment of the present invention provides a magnetoresistive launcher projectile, aiming to improve projectile launching efficiency and application function diversity.

[0004] To achieve the above-mentioned objectives, the technical solution adopted by the present invention is as follows: providing a reluctance transmitter projectile, including a cylindrical projectile body, which acts as a ferromagnetic armature and is accelerated by the electromagnetic force generated by the energized coil of the reluctance transmitter; wherein the ferromagnetic armature has a through hole extending through it along its axial direction, which is used to reduce the weight of the ferromagnetic armature and increase its speed, and is also used for installing additional functional components on the ferromagnetic armature.

[0005] In one possible implementation, the additional functional parts include a head cone, a tail body and a connecting shaft; wherein the head cone and the tail body are coaxially connected to the two ends of the ferromagnetic armature; the connecting shaft is passed through the through hole and the two ends are respectively connected to the head cone and the tail body; wherein the head cone, the tail body and the connecting shaft are all made of insulating materials.

[0006] In some embodiments, the tail body is in a frustum shape, and a plurality of wing panels are spaced apart on the peripheral wall of the tail body.

[0007] Exemplarily, a needle-shaped electrode is provided at the head end of the nose cone, and a high-voltage power supply is provided in the tail body. One end of the high-voltage power supply is electrically connected to the ferromagnetic armature, and the other end is electrically connected to the needle-shaped electrode through a wire. When the magnetoresistive launcher projectile hits the target, the needle-shaped electrode penetrates the nose cone and penetrates the target due to inertial force, and the ferromagnetic armature is suspended under the traction of the wire and hits the target to form an electric shock circuit.

[0008] For example, the head end of the head cone is provided with a plurality of needle-shaped electrodes spaced apart along its circumference, and each needle-shaped electrode is connected to the head cone by sliding along the axial direction of the ferromagnetic armature; the conductive wire includes a straight segment and a plurality of spirally curved segments connected and conducted with the straight segment; wherein the straight segment is passed through the interior of the connecting shaft and is connected and conducted with the high-voltage power supply, and each spirally curved segment is respectively connected and conducted with each needle-shaped electrode one by one.

[0009] In a possible implementation, the high-voltage power supply includes a button battery and a boost circuit board; wherein the button battery is electrically connected to the boost circuit board, and the boost circuit board is respectively connected to the ferromagnetic armature and the wire.

[0010] In some embodiments, a chemical irritant is encapsulated within the nose cone, and the nose cone is configured to release the chemical irritant when the magnetoresistive launcher projectile strikes a target.

[0011] Exemplarily, the interior of the head cone has a sealed cavity suitable for accommodating chemical stimulation reagents, the head end of the head cone is provided with a release hole array connected to the sealed cavity, and the head end of the head cone is attached with a sealing film, which is used to seal the release hole array; each hole in the release hole array is provided with a puncture needle; wherein, when the magnetoresistive launcher projectile hits the target, the puncture needle is used to puncture the sealing film under the action of inertial force.

[0012] For example, the mass of the nose cone is greater than the mass of the tail cone.

[0013] In some embodiments, two ends of the through hole form bell mouths respectively.

[0014] The beneficial effect of a magnetoresistive launcher projectile provided by the present invention is that: compared with the prior art, the magnetoresistive launcher projectile of the present invention adopts a ferromagnetic armature as the projectile body to produce a coupling effect with the electromagnetic coil of the magnetoresistive launcher, and can use the electromagnetic force generated by energizing the coil to drive the projectile body to obtain launching kinetic energy. By opening a through hole in the center of the ferromagnetic armature, on the one hand, the mass of the ferromagnetic armature can be reduced under the same volume, and the ferromagnetic armature can obtain a higher launching speed under the same electromagnetic force drive, thereby improving the launching efficiency of the magnetoresistive launcher projectile. On the other hand, the through hole can also be used to provide the ferromagnetic armature with an installation position for additional functional parts such as electric shock function and chemical stimulation function, thereby improving the application function diversity of the magnetoresistive launcher projectile. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the three-dimensional structure of a magnetoresistive launcher projectile provided by the first embodiment of the present invention; Figure 2 A schematic diagram of the three-dimensional structure of a magnetoresistive launcher projectile provided in a second embodiment of the present invention; Figure 3 A schematic cross-sectional view of a magnetoresistive launcher projectile provided in accordance with a third embodiment of the present invention; Figure 4 for Figure 3 A schematic diagram of the structure of a magnetoresistive launcher projectile when it hits a target is shown; Figure 5 A schematic cross-sectional view of a magnetoresistive launcher projectile provided in accordance with a fourth embodiment of the present invention; Figure 6 for Figure 5 Schematic diagram of the locally enlarged structure at point A in the middle.

[0016] In the figure: 10, ferromagnetic armature; 100, through hole; 20, head cone; 21, closed cavity; 22, release hole array; 23, sealing membrane; 24, puncture needle; 30, tail body; 31, wing plate; 40, connecting shaft; 50, needle-shaped electrode; 51, straight segment; 52, spirally coiled segment; 60, high-voltage power supply; 61, button battery; 62, boost circuit board. DETAILED DESCRIPTION

[0017] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0018] It should be noted that when an element is referred to as being "disposed on" or "connected to" another element, it may be directly on the other element or indirectly on the other element. It should be understood that the terms "upper", "lower", "front", "back", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. In the description of this application, "multiple" and "several" mean two or more, unless otherwise clearly and specifically defined.

[0019] Please also refer to Figures 1 to 6The present invention now provides a description of a magnetoresistive launcher projectile. The projectile comprises a cylindrical projectile body, which acts as a ferromagnetic armature 10 and accelerates under the electromagnetic force generated by the energized coil of the magnetoresistive launcher. The ferromagnetic armature 10 has a through hole 100 extending axially therethrough. This through hole 100 serves to reduce the weight of the ferromagnetic armature 10 and increase its speed, and also allows for the installation of additional functional components.

[0020] It should be noted that the magnetoresistive launcher projectile provided in this embodiment can be launched as a single projectile to hit the target as a painful bullet, or it can be used to install additional functional parts using the through hole 100 to carry out non-lethal strikes on the target, thereby improving the diversity of application functions. For example, after installing electrode needles using the through hole 100, it can be used as an electric shock bullet to hit the target, or after using the through hole 100 to encapsulate chemical irritation reagents (such as tear gas, mustard gas) to hit the target as chemical irritation ammunition.

[0021] It should be understood that the fundamental theory underlying existing magnetoresistive launchers is magnetic pressure theory (a physics theory relating magnetic phenomena to pressure, typically related to magnetic parameters such as magnetic field strength and magnetic flux density, as well as factors such as the physical environment in which they are located. The characteristics and effects of magnetic pressure are quantitatively described and studied through relevant physical equations and models). When a cylindrical ferromagnetic material, namely the ferromagnetic armature 10, is used as the projectile body, the magnetic field generated by the magnetoresistive launcher's coils is concentrated in the outer circumference of the cylinder, while the magnetic field density corresponding to the central axis of the cylinder remains low. According to magnetic pressure theory, the magnetic pressure obtained in regions with consistently low magnetic field density is also consistently low, so the contribution of these regions to projectile acceleration can be ignored. Therefore, in this embodiment, the through hole 100 provided in the center of the ferromagnetic armature 10 does not affect the electromagnetic force obtained by the ferromagnetic armature 10. Therefore, the existence of the through hole 100 can, on the one hand, reduce the parasitic mass of the ferromagnetic armature 10, thereby improving the projectile launching efficiency (here, the launching efficiency can be understood as the higher the speed that the projectile can obtain under the same driving force, the higher the launching efficiency). On the other hand, it can also provide installation space for additional functional parts of the projectile, thereby improving the diversity of the projectile application functions.

[0022] Compared with the prior art, the magnetoresistive launcher projectile provided in this embodiment uses a ferromagnetic armature 10 as the projectile body to generate a coupling effect with the electromagnetic coil of the magnetoresistive launcher. The electromagnetic force generated by energizing the coil can drive the projectile body to obtain launching kinetic energy. By providing a through hole 100 in the center of the ferromagnetic armature 10, on the one hand, the mass of the ferromagnetic armature 10 can be reduced while maintaining the same volume, and the ferromagnetic armature 10 can achieve a higher launching speed under the same electromagnetic force drive, thereby improving the launching efficiency of the magnetoresistive launcher projectile. On the other hand, the through hole 100 can also provide the ferromagnetic armature 10 with a mounting location for additional functional components such as electric shock function and chemical stimulation function, thereby increasing the application diversity of the magnetoresistive launcher projectile.

[0023] In some embodiments, see Figure 2 、 Figure 3 and Figure 5 The additional functional parts include a head cone 20, a tail body 30 and a connecting shaft 40; wherein the head cone 20 and the tail body 30 are coaxially connected to the two ends of the ferromagnetic armature 10; the connecting shaft 40 is passed through the through hole 100 and the two ends are respectively connected to the head cone 20 and the tail body 30; wherein the head cone 20, the tail body 30 and the connecting shaft 40 are all made of insulating materials.

[0024] Here, the nose cone 20, the tail body 30 and the ferromagnetic armature 10 are connected into an integral structure through a connecting shaft 40. At the same time, the nose cone 20, the tail body 30 and the connecting shaft 40 are all made of insulating materials such as polymer composite materials to avoid interference with the magnetic field. Not only can the nose cone 20 be used to reduce air resistance and improve the projectile launching efficiency, but the tail body 30 can also be used to improve the projectile flight stability.

[0025] It should be noted that if Figure 2 As shown, the tail body 30 is frustum-shaped, with a number of wing panels 31 spaced apart around the perimeter of the tail body 30. The frustum-shaped tail body 30 facilitates the loading of the projectile into the magazine and facilitates the feed mechanism to push the projectile to the initial firing position. Furthermore, the arrangement of a circle of wing panels 31 to form a tail structure for the projectile further enhances its flight stability.

[0026] As a variant of the above-mentioned magnetoresistive launcher projectile, please refer to Figure 3 and Figure 4 A needle-shaped electrode 50 is provided at the head end of the nose cone 20, and a high-voltage power supply 60 is provided in the tail body 30. One end of the high-voltage power supply 60 is electrically connected to the ferromagnetic armature 10, and the other end is electrically connected to the needle-shaped electrode 50 through a wire; wherein, when the magnetoresistive launcher projectile hits the target, the needle-shaped electrode 50 passes through the nose cone 20 and penetrates the target based on the inertial force, and the ferromagnetic armature 10 is suspended under the traction of the wire and hits the target to form an electric shock circuit.

[0027] Before the projectile hits the target, since the head cone 20 is an insulating material, the needle electrode 50 and the ferromagnetic armature 10 are in an open circuit state. When the projectile hits the target, the head cone 20 hits the target surface and the speed drops sharply. At this time, the needle electrode 50 passes through the head cone 20 under the action of inertia and penetrates the target. In order to improve the anti-escape performance of the needle electrode 50 after it penetrates the target, a barb can be provided at the front end of the needle electrode 50 to avoid the needle electrode 50 being easily pulled out. At the same time, after the needle electrode 50 penetrates the target, the projectile falls under the action of gravity. At this time, due to the presence of the wire, the projectile body will form a suspended state below the position where the needle electrode 50 penetrates, causing the ferromagnetic armature 10 to contact the target, thereby utilizing the conductivity of the target itself to make the needle electrode 50 and the ferromagnetic armature 10 conductive, thereby forming a conductive loop connected to both ends of the high-voltage power supply 60, that is, an electrode loop, so that the projectile produces an electric shock effect after hitting the target.

[0028] For some possible implementations, see Figure 3 and Figure 4 The head end of the head cone 20 is provided with a plurality of needle-shaped electrodes 50 distributed along its circumferential direction, and each needle-shaped electrode 50 is connected to the head cone 20 by sliding along the axial direction of the ferromagnetic armature 10; the conductive wire includes a straight segment 51 and a plurality of spirally curved segments 52 connected and conducted with the straight segment 51; wherein, the straight segment 51 is passed through the interior of the connecting shaft 40 and is connected and conducted with the high-voltage power supply 60, and each spirally curved segment 52 is respectively connected and conducted with each needle-shaped electrode 50 one by one.

[0029] It should be noted that in this embodiment, the front end of the head cone 20 is provided with an electrode hole suitable for inserting the needle electrode 50. The electrode hole is a stepped hole, and the step surface of the stepped hole is used to abut against the barb at the front end of the needle electrode 50 for limiting, so as to avoid the needle electrode 50 being displaced toward the direction close to the ferromagnetic armature 10 during the acceleration of the projectile launch, and in order to avoid the needle electrode 50 and the electrode hole affecting the diversion effect of the front end face of the head cone 20, in the initial state, the front end face of the needle electrode 50 is flush with the front end face of the head cone 20, thereby ensuring that the head cone 20 has a complete diversion front end face during flight, thereby reducing flight resistance.

[0030] When the projectile hits the target, the needle-shaped electrode 50 passes through the nose cone 20 under the inertial force and penetrates the target. Only one needle-shaped electrode 50 needs to penetrate the target to form an electric shock circuit, thereby improving the stability of the electric shock function; because the needle-shaped electrode 50 is installed on the nose cone 20 before the projectile hits the target, the spirally coiled section 52 is in a coiled state and is stored in the internal space of the nose cone 20. After the needle-shaped electrode 50 passes through the nose cone 20, the spirally coiled section 52 gradually straightens as the projectile body falls, so that the ferromagnetic armature 10 is suspended and contacts the lower part of the position where the needle-shaped electrode 50 penetrates the target, achieving an electric shock effect on the local area where the projectile hits the target, which can avoid causing fatal damage to the target and causing the target to instantly lose its ability to resist through local electric shock, thereby improving the success rate of non-lethal strikes.

[0031] For example, Figure 3 As shown, the high-voltage power supply 60 includes a button battery 61 and a boost circuit board 62. The button battery 61 is electrically connected to the boost circuit board 62, which is in turn electrically connected to the ferromagnetic armature 10 and the wires. It should be noted that the boost circuit board 62 employed herein utilizes components such as an inductor and a capacitor. Specifically, it may employ a conventional DC-DC boost circuit. After receiving the low voltage from the button battery 61, the low voltage is boosted to the desired high voltage by utilizing the energy storage and release characteristics of the inductor and the charge and discharge of the capacitor.

[0032] Since the button battery 61 cannot directly output high voltage electricity, and the high voltage power supply 60 cannot be directly installed in the tail body 30 due to volume reasons, a boost circuit board 62 is used to boost the low voltage of the button battery 61 and then output it, thereby achieving a high voltage electric shock effect on the target. The structural form of the button battery 61 combined with the boost circuit board 62 can reduce the volume of the high voltage power supply 60, thereby meeting the installation requirements of the high voltage power supply 60 inside the tail body 30.

[0033] As another variant of the above magnetoresistive launcher projectile, please refer to Figure 5 The nose cone 20 contains a chemical irritant, which is released when the magnetoresistive launcher projectile strikes a target. Upon impact, the chemical irritant (e.g., chloroacetophenone or Cialis, which have a tear-inducing effect, or mustard gas, which is a strong skin and respiratory irritant) encapsulated within the nose cone 20 is released, causing chemical irritation to the target, thereby limiting its ability to move.

[0034] Specifically, combined Figure 5 and Figure 6As shown, in this embodiment, the interior of the head cone 20 has a closed cavity 21 suitable for accommodating chemical stimulation reagents, and the head end of the head cone 20 is provided with a release hole array 22 connected to the closed cavity 21, and the head end of the head cone 20 is attached with a sealing film 23, which is used to seal the release hole array 22; a puncture needle 24 is provided in each hole of the release hole array 22; wherein, when the magnetoresistive launcher projectile hits the target, the puncture needle 24 is used to puncture the sealing film 23 under the action of inertia force.

[0035] It should be noted that each hole in the above-mentioned release hole array 22 is a stepped hole, and its stepped surface is used to abut against the rear end of the puncture needle 24 for limiting, thereby preventing the puncture needle 24 from slipping into the closed cavity 21 during the acceleration of the projectile launch; the function of the above-mentioned sealing membrane 23 is to seal the release hole array 22, thereby ensuring the leakage of the chemical stimulation reagent on the one hand, and on the other hand, ensuring the integrity of the front end surface of the nose cone 20 during the projectile launch flight, thereby reducing air resistance.

[0036] When the projectile hits the target, the speed of the nose cone 20 drops sharply and stops, and the puncture needle 24 pierces the sealing membrane 23 under the action of inertial force, so that the chemical stimulation reagent in the sealing cavity is sprayed onto the target surface through the release hole array 22, thereby achieving a chemical stimulation attack on the target.

[0037] It should be noted that in order to improve the flight stability of the projectile after launch, the mass of the nose cone 20 is greater than the mass of the tail body 30. This can move the overall center of mass of the projectile further forward, which is beneficial for the projectile to stabilize its flight posture.

[0038] In some embodiments, such as Figure 3 and Figure 5 As shown, the two ends of the through hole 100 form a bell mouth. The bell mouth structure can not only eliminate the parasitic mass of the ferromagnetic armature 10 to the greatest extent possible, thereby improving the launch efficiency, but also can reduce the flight resistance of the projectile body (in the absence of the nose cone 20) and stabilize the flight posture, further improving the launch efficiency of the magnetoresistive launcher projectile.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A magnetoresistive launcher projectile, characterized in that: The projectile comprises a cylindrical projectile body, which acts as a ferromagnetic armature and is accelerated by the electromagnetic force generated by the energized coil of the reluctance transmitter; The ferromagnetic armature has a through hole extending through the axial direction thereof. The through hole is used to reduce the weight and increase the speed of the ferromagnetic armature and is also used to install additional functional parts on the ferromagnetic armature.

2. A magnetoresistive launcher projectile as claimed in claim 1, characterized in that: The additional functional parts include a head cone, a tail body and a connecting shaft; wherein the head cone and the tail body are coaxially docked at the two ends of the ferromagnetic armature; the connecting shaft is passed through the through hole and the two ends are respectively connected to the head cone and the tail body; wherein the head cone, the tail body and the connecting shaft are all made of insulating materials.

3. A magnetoresistive launcher projectile as claimed in claim 2, characterized in that: The tail body is in a frustum shape, and a plurality of wing plates are distributed at intervals on the peripheral wall of the tail body.

4. A magnetoresistive launcher projectile as claimed in claim 2, characterized in that: A needle-shaped electrode is provided at the head end of the nose cone, and a high-voltage power supply is provided in the tail body. One end of the high-voltage power supply is electrically connected to the ferromagnetic armature, and the other end is electrically connected to the needle-shaped electrode through a wire; wherein, when the magnetoresistive launcher projectile hits the target, the needle-shaped electrode passes through the nose cone and penetrates the target based on inertial force, and the ferromagnetic armature is suspended under the traction of the wire and hits the target to form an electric shock circuit.

5. A magnetoresistive launcher projectile as claimed in claim 4, characterized in that: The head end of the head cone is provided with a plurality of needle-shaped electrodes distributed at intervals along its circumference, and each of the needle-shaped electrodes is connected to the head cone by sliding along the axial direction of the ferromagnetic armature; the conductive wire includes a straight segment and a plurality of spirally curved segments connected and conducted with the straight segment; wherein the straight segment is passed through the interior of the connecting shaft and is connected and conducted with the high-voltage power supply, and each of the spirally curved segments is respectively connected and conducted with each of the needle-shaped electrodes one by one.

6. A magnetoresistive launcher projectile as claimed in claim 4, characterized in that: The high-voltage power supply includes a button battery and a boost circuit board; wherein the button battery is electrically connected to the boost circuit board, and the boost circuit board is connected and conducted to the ferromagnetic armature and the wire respectively.

7. A magnetoresistive launcher projectile as claimed in claim 2, characterized in that: A chemical stimulation agent is encapsulated inside the nose cone, and the nose cone is used to release the chemical stimulation agent when the magnetoresistive launcher projectile hits a target.

8. A magnetoresistive launcher projectile as claimed in claim 7, characterized in that: The interior of the head cone has a closed cavity suitable for accommodating the chemical stimulation reagent, the head end of the head cone is provided with a release hole array connected to the closed cavity, and the head end of the head cone is attached with a sealing film, which is used to seal the release hole array; each hole in the release hole array is provided with a puncture needle; wherein, when the magnetoresistive launcher projectile hits the target, the puncture needle is used to puncture the sealing film under the action of inertial force.

9. A magnetoresistive launcher projectile as claimed in claim 2, characterized in that: The mass of the nose cone is greater than the mass of the tail body.

10. A magnetoresistive launcher projectile according to any one of claims 1 to 9, characterized in that: Both ends of the through hole form bell mouths respectively.

Images