Pneumatic stabilizing probe for remote action electric shock weapon
Patent Information
- Application Number
- CN202180100324.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Priority Date
- 2021-07-08
- Filing Date
- 2021-09-20
- Publication Date
- 2026-09-22
- Estimated Expiration
- 2041-09-20
AI Technical Summary
[0008]所述发明解决了由原型无法提高探针的射击精度所导致的技术问题
[0008]所述发明解决了由原型无法提高探针的射击精度所导致的技术问题。
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Figure CN117677816B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to a long-range electric shock weapon (RESW) probe (projectile) that can be used by law enforcement and civilians as a non-lethal long-range electric shock weapon. Background Technology
[0002] According to patent [1], a RESW projectile is known. The projectile has a counterweight head with barbed pins and a flexible sleeve (which is easily deformable when the projectile hits a target (criminal, biological target, biological target)) to protect the current wires laid in its cavity, i.e., compressed single-layer frameless coils of current wires that form a dense mold after compression, which are arranged in a three-dimensional graphic form of a spiral coil relative to the longitudinal axis of the hollow shell, with their plane perpendicular to the axis, to prevent the loss of the current wires (loss of the dense mold of the current wires laid). The sleeve is usually made of paper with an adhesive surface, facing the wires and additionally preventing the current wires from spreading. When the RESW is fired, the deformable sleeve with the wires pressed inside flies out from the firing part of the RESW. At the same time, the end of the wire attached to the firing part of the RESW pulls the wires out of the sleeve. During the flight of the projectile, the wires are pulled out of the sleeve before the projectile hits the target and are attached to the target using a device (with barbed pins) for attaching a probe to the target. The disadvantage of this projectile is its relatively low helicity due to the unstable aerodynamic flow of the air around the probe during flight. This is caused by the complex process of the oscillating and rotating probe as the wire is pulled out from the probe cavity through the hole at the rear of the sleeve. The planar shape of the head section (i.e., the aerodynamic surface) aggravates this helicity, changes the angle with the windward airflow during flight, and causes the subsequent oscillation of the flow on this surface to affect the yaw and pitch of the probe during flight.
[0003] Another drawback of this projectile is that, since the effective fill factor of the wire compressed from the single-layer frameless coil in the sleeve is no more than 0.8[2], and in fact even lower according to the continuous production experience of RTEH-NO JSC, the number of wires placed in it is relatively small. This drawback is exacerbated because the barbed needle accounts for 0.22 of the total length of the probe, thereby reducing the volume of the probe of a given length that can hold the wire at its maximum diameter (reduced by 22%), and correspondingly reducing the length of the wire stretched in the probe of a given volume, i.e. the range.
[0004] According to patent [3], a probe is known, consisting of a hollow metal sleeve (shell) and a metal counterweight head with barbed needles pressed inside it. Inside the shell is a wire, which is stacked layer by layer to form a coil. One end of the wire is fixed to the launching part of the RESW and initially protrudes from the hole formed by the first lower layer of the multi-layered laying when the probe flies toward the target, while the other end of the wire is attached to the head from the last upper layer of the multi-layered laying. When the RESW is launched, the hollow shell with the wire flies out from the launching part of the RESW. At the same time, the end of the wire attached to the launching part of the RESW is pulled out of the hollow shell by an exhaust gasket welded to the rear end of the shell. During the flight of the projectile, the wire is pulled out of the shell through the exit gasket until the projectile hits the target and is fixed to the target. The advantage of this probe is that the length of the wire (unfolded length) is increased compared to similar [1] models, due to the effective filling factor of the multi-layered laying wire exceeding 0.90-0.92, and can be adjusted according to the diameter of the laying wire. The disadvantages of this probe are its complex design and large geometry. Due to its large diameter (F13.0 mm), the probe loses speed rapidly on its trajectory, resulting in a large aerodynamic drag area. To hit the target at maximum range, an increased initial velocity is required to accommodate the length requirements of the internally laid wire. Furthermore, the wire exits through an outlet washer hole smaller than the probe sleeve's inner diameter, increasing friction (as the wire bends during stretching) and thus increasing the pulling force required to pull the wire out of the probe cavity. Since the wire needs to be bent from a large diameter to a smaller diameter, the pulling force increases with stretching, necessitating compensation by increasing the probe's initial velocity. The increased initial velocity of a high-pulse probe, combined with its large mass (almost entirely made of metal) and the large diameter (i.e., weight) of the housing, always increases the injury rate when hitting a target at short range (e.g., close-range shooting). Another disadvantage is that its structure consists of at least three densely packed parts, including a metal sleeve (housing) with a barbed needle pressed in, and an venting washer pressed into the housing. These components must be manufactured with high precision using rolling or high-tech micro-assembly operations. The projectile's final price is prohibitively high due to the need for precision manufacturing, expensive equipment, and high-tech operations by highly skilled U.S. experts. The cost of a probe with this design in the launch section of Axon Enterprise Inc.'s RESW is $70-85. Another drawback of the probe is its relatively low helicity, resulting from the complex process of oscillation and rotation caused by the probe's advance as it pulls the wire out of the probe cavity through the exhaust gasket. This advance is exacerbated by the planar shape of the head section (i.e., the aerodynamic surface), which alters the angle with the oncoming airflow during flight, and subsequently affects yaw and pitch due to the flow oscillations on this surface.
[0005] The Krnka-Hebler bullet[4] is a known rifled weapon, and there are many studies and publications on the possible applications of tubular bullets, such as[5]. The bullet consists of a cylindrical tubular body with one or the other profile of the external and internal forming surfaces. Studies of such described tubular bullets for military applications have significant ballistic advantages at supersonic speeds of interest to the military, such as increased direct-fire range compared to bullets and projectiles of classical design, and increased armor-piercing capability under increased armor plating. The known so-called arrow turbine Meyer bullet for smoothbore weapons consists of cylinders of larger and smaller diameters, with weakly angled feather blades on the smaller diameter cylinder, through a tapered cross-section channel that gradually decreases from the head portion, with angled blade-like protrusions on the forming surface of the channel[6]. The Meyer bullet has excellent ballistic characteristics among bullets for smoothbore weapons, especially at subsonic and near-sonic speeds, with very high accuracy. It was designed by the AK Meyer for bullets made of black powder or low-pressure, slow-burning smokeless powder. When a Meyer bullet travels at supersonic and subsonic speeds, improper selection of the channel and inlet edge shape can lead to throttling of the supersonic airflow through the channel, increasing aerodynamic drag and making the bullet unstable. Studies of the Meyer bullet (high-speed photography and videography) show that it does not spin in flight as the authors expected, due to the arrangement of the externally and internally angled blades. The Meyer bullet exhibits better stability than other designs of short lancet bullets (as opposed to long lancet bullets with additional washers and skirts), due to the complex interaction of external and internal airflow, which reduces the aerodynamic drag component generated during the bullet's predominantly subsonic flight. Furthermore, due to its tubular structure, the Meyer bullet has less aerodynamic drag at subsonic speeds than other designs of rifled weapon bullets, resulting in slower velocity deceleration on its trajectory and thus higher final kinetic energy. In the current technology, no cases have been found of using tubular projectiles for projectile stabilization outside of combat or hunting weapons.
[0006] The prototype of the proposed invention is a RESW projectile according to patent [7], which has an elastic or deformable sheath in which wires are laid in the form of multiple frameless coils, with wires laid layer by layer between each coil. One end of the wire is fixed to the launching part of the RESW and extends out of a hole formed in the first lower layer as the probe flies toward the target, and the other end of the wire is fixed to the front end of the sheath or located on a device for attaching to the target and extends out of the last upper layer.
[0007] The advantages of this prototype are that, compared to its counterpart [1], it increases the number of wires (the maximum length of the wires stretched to the target) by using multi-layer wiring with a fill factor of 0.90-0.92 for the wires in the sleeve. Compared to its counterpart [3], the advantages of this prototype are that it has lower aerodynamic drag due to its smaller diameter (7.0-8.0 mm), lower initial velocity required, and reduced wounding effect due to the absence of exhaust gaskets for the wires with smaller diameters, the small energy loss due to the reformation of the wires during the pulling process from the housing cavity, and the low cost and simple manufacturing process of the projectile. The main disadvantage of this projectile is its lower accuracy because its light head weight makes it impossible to achieve good aerodynamic stability by placing the center of gravity before the center of drag. At the same time, its accuracy is not high because, like similar objects [1; 3], the projectile produces a complex spiraling process of oscillation and rotation when the wire is pulled out from the cavity of the probe through the rear hole in the sleeve. The main flat or implicit circular shape of the head part (as an aerodynamic surface) aggravates this spiraling process, changes the angle of the windward airflow during flight, and has a subsequent effect on the yaw and pitch of the probe due to the flow oscillation during flight. Summary of the Invention
[0008] The invention solves the technical problem caused by the prototype's inability to improve the firing accuracy of the probe.
[0009] The technical effect is to improve the accuracy of the probe in hitting the target during firing, thereby reducing the likelihood of serious injury to criminals when the probe, which deviates from the direction set by the RESW user, hits the arteries, veins, eyes, or head of the neck and face (which can lead to generalized seizures and associated injuries and consequences, including life-threatening situations).
[0010] A stable, long-range electric shock weapon probe achieves its target by comprising a conductive or non-conductive, non-deformable or non-elastic sheath with a device for attaching to the target in the form of at least one barbed needle. The device is internally laid with wires in the form of multiple frameless coils, with each layer of wires forming a conductor. One end of each wire is fixed to the firing part of the RESW and extends from a hole formed in the first lower layer as the probe flies toward the target, while the other end of the wire extends from the last upper layer and is located near or fixed to the front end of the sheath or device for attaching to the target. The probe is characterized by a head weight made of high-density metal, in the form of a tubular shell, to which at least one device for attaching to the target is radially fixed, and the end of the wire extending from the last upper layer is fixed to the sheath or head, or located near the head.
[0011] Another feature is that the probe has a non-conductive sleeve, with conductive inserts, stickers, or coatings inside or outside the sleeve that forms the connection between the front and rear ends of the probe.
[0012] Another feature is that the probe has a single barbed needle fixed at its head, at an angle to the axis of the housing. Attached Figure Description
[0013] Figure 1 Appearance and cross-sectional view of the pneumatically stabilized probe.
[0014] Figure 2 A probe with a conductive coating and a tilted needle. Detailed Implementation
[0015] Figure 1 This diagram shows a stable probe with a sleeve 1, a multi-layer connector 2 consisting of wires 3, a tubular mounting head 4, and a device for attachment to a target placed in the head, which takes the form of one or more barbed needles 5. The head 4 has a passageway 6, preferably with an inlet cone 7, and a channel 8 provided along the probe and laying axis. In this type of laying, the channel 8 is designed to allow the conductive wires 3 to be freely pulled out of the laying as the probe flies toward the target. The use of one or more needles depends on the diameter and length of the needles (i.e., the weight of the needles). For lighter needles, one needle can be mounted around the tubular housing of the head of the counterweight device 4, while for heavier needles, two needles are preferably mounted, symmetrically positioned relative to the probe axis, to eliminate the possibility of radial alignment failure of the head of the counterweight device during subsequent operation. Figure 1 A probe with two needles 5 is shown. Additional stability of the RESW probe, launched from a smooth cylindrical shape from a RESW projectile, is achieved in flight through complex aerodynamic interactions of airflow over the probe head section at subsonic speeds of 40-60 m / s, and by jetting air through channel 6 and channel 8, which expands as the probe flies, and pulling the wire 3 out from there. Thus, in the proposed invention, the airflow conditions through the probe body are identical to those of a tubular projectile. The air jet exiting from the rear end of the probe interacts with the airflow around the probe, centering the probe within the swirling airflow. The probe can be a conductive rigid material (e.g., a thin-walled metal tube) or a non-conductive elastic material (e.g., a heat-shrinkable polymer tube, paper, or polymer tape).
[0016] Figure 2In some RESW designs, when a non-conductive housing is used (for a high-pressure initiation charge RESW[8]), an electrical connection is required between the probe head and the rear end of the housing in order to initiate the charge. In this case, in this invention, a conductive coating 9 (metal spraying or metallized conductive paint) or conductive copper or aluminum foil is applied to the inside or outside of the non-conductive housing 1. The conductive coating or foil connects the conductive head to the rear end of the probe housing to achieve high-pressure initiation of the probe-thrown charge. Figure 2 In the illustrated embodiment, the counterweight head 10 has a barbed hook 5 fixed at a certain angle to the axis of the sleeve 1. For example... Figure 2 As shown, compared to using only one needle instead of two needles mounted parallel to the probe axis, the design of this needle attachment improves centering when using only one needle by reducing the runout of the counterweight head and the additional screwing in.
[0017] List of cited references:
[0018] 1.RU 2486451 C2
[0019] 2.Yu.O.Ladyagin.Remote-acting electroshock weapon.M.: Stalingrad Foundation Publishing House, 2017, p.186.
[0020] 3.US 10690455 B2 ELECTRODE FOR A CONDUCTED ELECTRICAL WEAPON
[0021] 4. https: / / www.tandfonline.com / doi / abs / 10.1080 / 03071849409416981? journalCode=rusi19
[0022] 5.Naval Weapons Center China Lake Technical Memoradum 4106,Vol.4,
[0023] Advanced Armor Penetrator(Tubular Projectile),by L.Smith,et.al.,
[0024] pp.25-26, Dec. 1979.
[0025] 6.https: / / ru.wikipedia.org / wiki / Пуля_Μайера
[0026] http: / / ohotnik.com.ua / Fire%20gun.htm
[0027] 7.RU 2618849 C2
[0028] https: / / www.tandfonline.com / doi / abs / 10.1080 / 03071849409416981?journalCode=rusi19
[0029] 8.Yu.O.Ladyagin.Remote-acting electroshock weapon.M.:StalingradFoundation Publishing House,2017,pp.286-289。
Claims
1. A stable long-range electric shock weapon probe comprising a conductive or non-conductive, non-deformable or elastic sleeve, the sleeve having a device for attaching to a target in the form of at least one barbed needle, wherein wires are laid inside the probe in the form of multiple frameless coils, the coils being laid layer by layer to form conductors, wherein one end of the wires is fixed to the firing part of the long-range electric shock weapon and extends from a hole formed in the first lower layer of the wires as the probe travels toward the target, while the other end of the wires extends from the last upper layer of the wires and is located near or fixed to the front end of the sleeve or device for attaching to the target, characterized in that... The probe has a head weight made of high-density metal in the form of a tubular shell, on which at least one device for attaching to a target is radially fixed, while the end of a wire extending from the last upper layer of the lay is fixed to the sleeve or the head weight, or located near the head weight. The head weight has an inlet cone and a channel provided along the probe and lay axis, the channel being designed to allow the wire to be freely pulled out of the lay as the probe flies toward the target.
2. The stable long-range electric shock weapon probe according to claim 1, characterized in that, A probe with a non-conductive sheath has a conductive insert, sticker, or coating inside or outside the sheath that forms the connection between the front and rear ends of the probe.
3. The stable long-range electric shock weapon probe according to claim 1, characterized in that, The probe has a barbed needle fixed on the head counterweight device, which is at an angle to the axis of the shell.
Citation Information
Patent Citations
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