EP2455701B1 - Protection of an object from hollow charges - Google Patents
Protection of an object from hollow charges Download PDFInfo
- Publication number
- EP2455701B1 EP2455701B1 EP12000855.2A EP12000855A EP2455701B1 EP 2455701 B1 EP2455701 B1 EP 2455701B1 EP 12000855 A EP12000855 A EP 12000855A EP 2455701 B1 EP2455701 B1 EP 2455701B1
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- EP
- European Patent Office
- Prior art keywords
- rods
- projectile
- protective layer
- protected
- object protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H5/00—Armour; Armour plates
- F41H5/02—Plate construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H5/00—Armour; Armour plates
- F41H5/02—Plate construction
- F41H5/023—Armour plate, or auxiliary armour plate mounted at a distance of the main armour plate, having cavities at its outer impact surface, or holes, for deflecting the projectile
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H5/00—Armour; Armour plates
- F41H5/02—Plate construction
- F41H5/04—Plate construction composed of more than one layer
- F41H5/0492—Layered armour containing hard elements, e.g. plates, spheres, rods, separated from each other, the elements being connected to a further flexible layer or being embedded in a plastics or an elastomer matrix
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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- Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
Definitions
- the present invention relates to object protection against unguided and / or subsonic mid-caliber projectiles according to the preambles of claims 1 or 2.
- the aforesaid protective arrangements have the disadvantage that they are to some extent the destructive effect of disturbing the shaped charge jet, in its formation, i. before stretching, reduce.
- the extended rods are not able to prevent the initiation of the explosive charge.
- the threat situation and the probable trajectory of a projectile for projecting the bars is taken into account, in which the bars are arranged at an angle to the surface which corresponds to the probable presumptive direction of flight on the object to be protected.
- a message of the few required rows can be done automatically, for example by a level control.
- Particularly vulnerable and therefore particularly worthy of protection are entrances and exits to vehicles (air intakes, exhausts, filler neck, personal and maintenance closures such as doors, lids, etc.) as well as viewing windows for optical and electronic devices.
- the type of drive of the rows is at the discretion of the skilled person and can be done with well-known electromotive, pneumatic or hydraulic drives.
- the surface mentioned in the claim may be flat or any space surface.
- the holder of the rods or Pins can be made in the surface and / or the rods can be fixed behind them in a solid plate.
- the characteristics of the arrangement of the rods or pins allow the projectile a partial penetration of the hood into the matrix. Surprisingly, the ignition function is disturbed so massively immediate that in most cases no initiation of the charge takes place. If, in individual cases, an ignition takes place, the optimum distance (stand-off) of the shaped charge to the target is exceeded in the case of precision charges, which, as is known, leads to a considerable reduction of their jet power and / or only to a mere burnup. In conjunction with conventional protective measures (passive and / or active armor), the object is sufficiently protected even in such cases.
- Prerequisite for preventing an initiation of the ignition according to claim 2 are rods or pins, which are galvanically conductive at least in the part directly acted upon by the projectile.
- the rods are particularly easy to fix in a solid plate, from which they protrude.
- a massive plate is very easy to equip with rods and also has the advantage that it is an effective protection against small-caliber ammunition.
- FIG. 1 1 is a protective layer.
- rods 3 are used in a matrix-like manner and are fixed on the back side with flanges 4 on the base plate 2.
- the rods 3 project beyond an inner surface 2 'by a length l 1 .
- a bullet 100 in the direction of flight F impinging on an object O to be protected penetrates with its impact fuze 102 between the rods 3.
- a thin-walled double hood 101 of the projectile 100 is thereby perforated and electrically short-circuited by the end portions 3b of the rods 3, so that the front-side impact fuse 102 with its piezo sensor can no longer be effective.
- the double hood 101 is, physically considered, a two-wire planar line for the ignition energy.
- the diagonal distance a between the bars 3, 3a, 3b of a matrix of a plurality of bars 3 is at a maximum smaller than the caliber K of the active projectile.
- the double hood 101 is thereby "impaled” and short-circuited, but at least compressed; see partial section illustration in Fig. 1 ,
- the entire length l 0 of the hood 101, measured from the tip of the Auftschzünders 102 to the largest diameter of a lining 104 of a shaped charge 103 is shorter than the free length l 1 of the rods 3.
- the tips 3 'of the rods 3 are sharp-edged and made of hardened steel and / or have a galvanically conductive coating.
- Fig. 2 shows the unfavorable case of an obliquely striking the bars 3 projectile, with only the hood 101 and the impact fuze 102 are drawn.
- the piezo generator may be activated before the hood 101 is pierced, so that further protective measures in the protective layer 1 imposing.
- Fig. 3 shows a similar situation, but here the probability of ignition of the shaped charge is already much smaller, since a rod 3 has already pierced the hood 101 before touching the Auftschzünders 102 with another rod and shorted.
- Fig. 4a and 4b show measures to improve the protective effect. It has been shown that piezoelectric impact detonators directly striking the tips 3 'of the bars 3 directly on the front are often completely destroyed before they generate a sufficiently high ignition voltage. The prerequisite for such a destruction are extremely high surface pressures, ie pulses such as those caused by a blunt cone 5 with a sharp-edged tip 6 (FIG. Fig. 4a ) or by a sharp-edged pin 7 of 1 to 2 mm in diameter ( Fig. 4b ) be achieved.
- ie pulses such as those caused by a blunt cone 5 with a sharp-edged tip 6 (FIG. Fig. 4a ) or by a sharp-edged pin 7 of 1 to 2 mm in diameter ( Fig. 4b ) be achieved.
- Fig. 5 Based on the knowledge from the FIGS. 2 and 3 are according to Fig. 5 the rods 3 at an inclination angle ⁇ inserted into the base plate 2, in which case a fictitious flight direction F f was assumed, which corresponds to the threat situation.
- the inner surface of the base plate 2 is again denoted by 2 '. This allows, like Fig. 5 shows, also optimally protect inclined surfaces.
- Fig. 6 shows a protective layer 1 with an inner crush layer 8 made of a corrugated perforated steel sheet, which can absorb kinetic energy if the projectile obliquely penetrates and / or its charge is ignited.
- the effect of a shaped charge jet reduced, because the optimal distance to the target, ie the object to be protected O, is exceeded by 2 to 3 times the caliber (stand off). So that the effective length l 1 (see. Fig. 1 ) of the bars 3 is not exceeded, the highest position of the surface 2 ', ie the "wave peaks" of the layer 8 is selected as a measurement basis.
- the bars 3 are covered by a lightweight foam 9 (commercially available polymer). Covers 10 are made of thin-walled aluminum plates on the side.
- the object is after Fig. 7 constructed, here the crush layer 8 consists of a composite plate of metal and plastics.
- the measuring base, the surface 2 ', for the length l 1 of the rods 3 is marked here.
- Fig. 6 is an all-round coverage of the modular protective layer 1 with UV-resistant plastic plates.
- Fig. 8 are on an armored vehicle 110, the windscreens with a protective layer 1, which is transparent and adjustable.
- the rods 3 which can be tilted in rows R1 to Rn and in lateral bearings 13 'can be adjusted to the current threat situation by means of a drive 13 with articulated connections 12.
- the drive 13 is installed in a known roof protection 16 and therefore shown in dashed lines.
- FIG. 1 is a particularly, weight-saving development drawn.
- a rod 3a is made of a rigid composite with carbon fibers. To improve the conductivity of this is metallized at its threat facing surface 3a to one third of the total l 1 length and wear metallic tips 3 '.
- the most hardcoat possible is a galvanically conductive layer m, which optionally consists of titanium carbonitride (TiCN) or titanium nitride (TiN) in the present case.
- TiCN titanium carbonitride
- TiN titanium nitride
- the color of the coating is chosen according to the camouflage color of the object.
- Another advantage of this embodiment is the small “Radarquerexcellent", ie it contributes little to the radar detection and does not affect the other means for "camouflage".
- Rods in this embodiment are mainly for movable protective layers, analog Fig. 8 intended.
- An armed tracked vehicle Fig. 9
- an armored infantry fighting vehicle 111 for a protected troop transport is provided with modular protective layers 1 according to FIG Fig. 7 equipped.
- the two movable optical sensors 112 are protected against direct bombardment by adapted side covers 10 (protective layers), with integrated rods 3.
- adapted side covers 10 protection layers
- integrated rods 3 for illustrative reasons here is also the existing lightweight foam layer, see. Fig. 6 and 7 not shown.
- Such protective layers 10 are recommended for all inputs and outputs, such as for air inlets and exhaust openings on vehicles or stationary systems.
- side air intakes 17 are provided with rods 3 and thus protected.
- a protective layer 1 ' consists of a steel net known per se Fig. 10 , in whose node 14 rods 3 are used.
- the rods 3 are protected by means of a respective gusset plate 15 from twisting. Again, here is the measurement base for the length of the bars 3, the surface 2 ', which corresponds to the maximum height of the gusset plates 15. Welding points are not shown on the gusset plates 15, which give the rods 3 the necessary stability.
- the node lobes 15 take over together with the meshes of the network 2a, the function of a plate 2, 2 '; see. Fig. 1 to Fig. 7 , In contrast to a plate, however, a net 2a can easily be adapted to the spatial forms of an object to be protected.
- the bars 3 "of a protective layer are produced from individual sheet metal strips 50 which have been cut out by means of laser cutting
- the height of the metal strips 50 corresponds to the length l 1 plus a web width 51 adapted to the design, which determines R1-n depending on the base plate or carrier
- recesses A were cut out FIG. 11 not shown - non-positively welded together.
- the sheet metal used for the rods 3 " is steel sheet of a few millimeters in thickness, also high-strength aluminum sheets can be used.For this purpose, a well-known beam processing by means of high-pressure water jet application.
- the webs take over the function of the plate ( Fig. 1 to Fig. 7 ).
- This variant allows you to equip a property protection at very short notice.
- With appropriate dimensioning of the webs (bendable Quetene) and curved surfaces can be occupied by a protective layer without gaps.
- the after Fig. 11 realized protective coatings are characterized - compared to conventional protective measures - by a relatively low basis weight of 40 kg / m 2 (average).
- the subject invention can be adapted within wide limits to the threat situation.
- the materials and technologies used are conventional and can be substituted by new and better materials, including composites.
- the article can be adapted in an analogous manner to the object to be protected already existing means against the detection by means of electromagnetic radiation or it can be integrated such.
- the subject invention is not limited to projectiles with shaped charges. It can be used against all Geschose whose ignition process is disturbed by an electrically short-circuited or connected to ground, flat connection line. It can be assumed that the nominal ignition energy of an impact fuze on the Initiation of an active charge is necessary and that any remaining partial flows are not sufficient.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Elimination Of Static Electricity (AREA)
- Laminated Bodies (AREA)
Description
Die vorliegende Erfindung bezieht sich auf einen Objektschutz gegen ungelenkte und/oder im Unterschallbereich fliegende Mittelkalibergeschosse nach den Oberbegriffen der Ansprüche 1 oder 2.The present invention relates to object protection against unguided and / or subsonic mid-caliber projectiles according to the preambles of
Im zweiten Weltkrieg wurden erstmals gegen gepanzerte Ziele Geschosse mit Hohlladungen abgefeuert. Dies einerseits von den US-Streitkräften (Bazooka genannte Waffe) und anderseits von Deutschland (Panzerfaust und Panzerschreck genannt). Zur Beschleunigung der Geschosse dienten Treibmittel wie Ladungen und Treibpatronen. Danach entwickelte Russland eine weitverbreitete Waffe, die als RPG (Rocket-Propelled Granade) bezeichnet wird. Diese wird in einer seit 1961 hergestellten Version noch heute, vor allem im Bereich der asymetrischen Kriegsführung als Typ RPG-7, mit verschiedensten Hohlladungen, eingesetzt. Während die frühen Systeme mechanische Aufschlagzünder besassen, sind die neueren mit frontseitigen piezoelektrischen Zündvorrichtungen ausgerüstet und weisen zwischen dem Zündgenerator und der Zündkette flächige, galvanisch leitende Verbindungsleitungen auf. Diese relativ einfachen, meist raketengetriebenen Mittelkalibergeschosse sind weltweit verbreitet und stellen ein gewaltiges Gefahrenpotential dar; sie sind billig zu erstehen, leicht handhabbar und werden in verschiedensten Ausführungsarten gegen stationäre und mobile Objekte, insbesondere gegen leicht gepanzerte Fahrzeuge eingesetzt.In the Second World War, projectiles with shaped charges were fired for the first time against armored targets. This on the one hand by the US armed forces (Bazooka called weapon) and on the other hand of Germany (Panzerfaust and Panzerschreck called). Propellants such as cargoes and propellant cartridges were used to accelerate the projectiles. After that, Russia developed a widespread weapon called the RPG (Rocket-Propelled Granade). This is used in a version produced since 1961 still today, especially in the field of asymmetric warfare as a type RPG-7, with a variety of shaped charges. While the early systems had mechanical impact igniters, the newer ones are equipped with front piezoelectric igniters and have planar, electrically conductive interconnections between the igniter and the igniter. These relatively simple, mostly rocket-propelled medium caliber projectiles are distributed worldwide and represent a huge potential for danger; They are cheap to buy, easy to handle and are used in various embodiments against stationary and mobile objects, especially against lightly armored vehicles.
Neben verschiedensten aktiven und passiven Panzerungen wurden bereits 1940 (
Aus der
Die vorerwähnten Schutzanordnungen weisen den Nachteil auf, dass diese wohl bis zu einem gewissen Grad die zerstörerische Wirkung durch eine Störung des Hohlladungsstrahls, bei dessen Bildung, d.h. vor seiner Streckung, reduzieren. Die ausgefahrenen Stäbe vermögen jedoch nicht die Initiierung der Sprengladung zu verhindern.The aforesaid protective arrangements have the disadvantage that they are to some extent the destructive effect of disturbing the shaped charge jet, in its formation, i. before stretching, reduce. However, the extended rods are not able to prevent the initiation of the explosive charge.
In der nachveröffentlichten
Es ist daher Aufgabe der Erfindung, einen Objektschutz zu schaffen, der die Initiierung der Sprengladung möglichst verhindert oder zumindest beeinträchtigt und sollte die Ladung dennoch gezündet werden, deren Wirkung so massiv reduziert, dass das Objekt in seiner Funktion nicht wesentlich gestört ist.It is therefore an object of the invention to provide an object protection, the initiation of the explosive charge as possible prevented or at least impaired and the charge should nevertheless be ignited, their effect reduced so massively that the object is not significantly disturbed in its function.
Diese Aufgabe wird gelöst durch die Merkmale der Ansprüche 1 und 2.This object is solved by the features of
Die Bedrohungssituation und die wahrscheinliche Flugbahn eines Geschosses zur Ausrichtung der Stäbe wird berücksichtigt, in dem die Stäbe in einem Winkel zur Fläche angeordnet sind, welche der wahrscheinlichen präsumptiven Flugrichtung am zu schützenden Objekt entspricht. Ein einfaches Ausrichten der Stäbe auf die aktuelle Bedrohungslage, insbesondere bei Sehschlitzen von gepanzerten Fahrzeugen, erhöht die Sicherheit gegen einen direkten Beschuss beträchtlich. Dies wird erreicht, indem die Stäbe in Reihen auf einem kippbaren Träger angeordnet sind, der in einer Wirkverbindung mit kippbaren Trägern weiterer Reihen ist. Ein Nachrichten der wenigen erforderlichen Reihen kann automatisch, beispielsweise durch eine Niveauregelung erfolgen. Besonders gefährdet und damit speziell schützenswert sind Ein- und Ausgänge an Fahrzeugen (Lufteinlässe, Auspuffe, Tankstutzen, Personen- und Wartungsverschlüsse wie Türen, Deckel etc.) sowie Sichtfenster für optische und elektronische Geräte.The threat situation and the probable trajectory of a projectile for projecting the bars is taken into account, in which the bars are arranged at an angle to the surface which corresponds to the probable presumptive direction of flight on the object to be protected. Simply aligning the bars to the current threat location, particularly at view slits of armored vehicles, significantly enhances safety against direct fire. This is achieved by arranging the bars in rows on a tiltable carrier which is in operative connection with tiltable carriers of further rows. A message of the few required rows can be done automatically, for example by a level control. Particularly vulnerable and therefore particularly worthy of protection are entrances and exits to vehicles (air intakes, exhausts, filler neck, personal and maintenance closures such as doors, lids, etc.) as well as viewing windows for optical and electronic devices.
Die Art des Antriebs der Reihen liegt im Belieben des Fachmanns und kann mit allgemein bekannten elektromotorischen, pneumatischen oder hydraulischen Antrieben erfolgen.The type of drive of the rows is at the discretion of the skilled person and can be done with well-known electromotive, pneumatic or hydraulic drives.
Die im Patentanspruch erwähnte Fläche kann eben oder eine beliebige Raumfläche sein. Die Halterung der Stäbe oder Stifte kann in der Fläche erfolgen und/oder die Stäbe können dahinter in einer massiven Platte fixiert sein.The surface mentioned in the claim may be flat or any space surface. The holder of the rods or Pins can be made in the surface and / or the rods can be fixed behind them in a solid plate.
Die Merkmale zur Anordnung der Stäbe oder Stifte erlauben dem Geschoss ein partielles Eindringen mit dessen Haube in die Matrix. Dabei wird überraschenderweise die Zündfunktion ummittelbar derart massiv gestört, dass in den meisten Fällen gar keine Initiierung der Ladung erfolgt. Findet in Einzelfällen dennoch eine Zündung statt, so wird bei Präzisionsladungen die optimale Distanz (Stand off) der Hohlladung zum Ziel überschritten, was bekanntlich zu einer beträchtlichen Reduktion von deren Strahlleistung und/oder nur zu einem blossen Abbrand führt. In Verbindung mit konventionellen Schutzmassnahmen (passive und/oder aktive Panzerungen) ist auch in solchen Fällen das Objekt ausreichend geschützt.The characteristics of the arrangement of the rods or pins allow the projectile a partial penetration of the hood into the matrix. Surprisingly, the ignition function is disturbed so massively immediate that in most cases no initiation of the charge takes place. If, in individual cases, an ignition takes place, the optimum distance (stand-off) of the shaped charge to the target is exceeded in the case of precision charges, which, as is known, leads to a considerable reduction of their jet power and / or only to a mere burnup. In conjunction with conventional protective measures (passive and / or active armor), the object is sufficiently protected even in such cases.
Voraussetzung für das Verhindern einer Initierung der Zündung gemäss Anspruch 2 sind Stäbe oder Stifte, die wenigstens in dem vom Geschoss direkt beaufschlagten Teil galvanisch leitend sind.Prerequisite for preventing an initiation of the ignition according to
Wesentliche Vorteile gegenüber nur konventionellen Schutzmassnahmen bestehen im relativ geringen Gewicht des Erfindungsgegenstands, seiner einfachen Herstellung, seiner geringen Kosten sowie der Nachrüstbarkeit an bereits vorhandenen Objekten.Significant advantages over only conventional protective measures consist in the relatively low weight of the subject invention, its ease of manufacture, its low cost and retrofitting to existing objects.
In nachfolgenden abhängigen Anprüchen sind vorteilhafte Weiterbildungen des Erfindungsgegenstands charakterisiert. Dabei wird der umfassende Begriff Stab verwendet, da der Querschnitt dieser Körper im Verhältnis zu deren Länge relativ klein ist. Ebenfalls trifft für die meisten Ausführungsformen der Begriff Stift (kurzer Stab) zu, weil aus materialtechnischen und Gewichtsgründen die Länge der Stäbe so kurz wie funktionstechnisch sinnvoll gewählt ist.In subsequent dependent claims advantageous developments of the subject invention are characterized. In this case, the comprehensive term rod is used, since the cross-section of these bodies is relatively small in relation to their length. Likewise applies to most embodiments, the term pen (short rod), because of material and weight reasons, the length of the rods is chosen as short as functionally appropriate.
Günstig sind, insbesondere an Fahrzeugen, möglichst zusammenhängende Deckflächen, worunter die Stäbe "versteckt" sind. Wenn die Stäbe 3 an ihrer äusseren Stirnseite durch wenigstens eine flächige und zusammenhängende äussere Schicht abgedeckt sind, wird die Verletzungsgefahr eliminiert und zudem lassen sich dadurch Schmutzablagerungen und Verbiegungen der Stäbe vermeiden.Convenient, especially on vehicles, as contiguous cover surfaces, of which the rods are "hidden". If the
Werden die Stirnseiten der Stäbe mit stumpfwinkligen Konen versehen, die in scharfen Spitzen enden, oder werden diese Stirnseiten mit einem zentralen scharfkantigen Zapfen versehen, führt dies in vielen Fällen auch bei einem direkten, senkrechten Auftreffen der Geschossspitze auf einen Stab zu einer unmittelbaren Zerstörung des Piezokristalls im Aufschlagzünder. Bei frontseitigen Piezo-Generatoren wird durch eine Zersplitterung des Kristalls die notwendige Zündspannung unterschritten, so dass die Initiierung der Ladung unterbleibt.If the end faces of the rods are provided with obtuse-angled cones which terminate in sharp points, or if these end faces are provided with a central sharp-edged pin, this often leads to direct destruction of the piezocrystal even if the projectile tip strikes the rod directly on a rod in the impact fuze. In the case of front-side piezo generators, fragmentation of the crystal means that the necessary ignition voltage is undershot, so that the initiation of the charge does not occur.
Besonders einfach lassen sich die Stäbe in einer massiven Platte befestigen, aus der sie herausragen.The rods are particularly easy to fix in a solid plate, from which they protrude.
Eine massive Platte lässt sich sehr einfach mit Stäben ausrüsten und hat zudem noch den Vorteil, dass sie ein wirksamer Schutz gegen Kleinkalibermunition ist.A massive plate is very easy to equip with rods and also has the advantage that it is an effective protection against small-caliber ammunition.
Wirtschaftlich günstig und auch temporär einsetzbar ist ein Schutz mit Stäben, die aus den Knoten eines Stahlnetzes herausragen.Economically favorable and also temporarily usable is a protection with bars, which protrude from the knots of a steel net.
Mittels Strahlbearbeitung (Laser, Wasserstrahl etc.) lassen sich sehr leichte und kostengünstige Schutzschichten aus Flachmaterial (Blech) herstellen, die auch integrierbar in verschiedenste System sind.By means of jet processing (laser, water jet, etc.), very light and cost-effective protective layers can be left out Produce flat material (sheet), which can also be integrated into a variety of systems.
Nachfolgend werden an Hand von Zeichnungen Ausführungsbeispiele dargestellt und beschrieben, die mit Ausnahme von
- Fig. 1
- das Prinzip zur Verhinderung der Initiierung einer Hohlladung mittels einer Schutzschicht, wobei als Variante ein nur in einem Endbereich galvanisch leitender Stab vorhanden ist,
- Fig. 2
- eine Haube eines Geschosses beim Auftreffen auf eine Schutzschicht,
- Fig. 3
- eine weitere Darstellung eines schräg fliegenden Geschosses beim Auftreffen auf eine Schutzschicht,
- Fig. 4a
- ein Stab einer Schutzschicht mit konischer Spitze,
- Fig. 4b
- ein Stab einer Schutzschicht mit scharfkantigem Zapfen,
- Fig. 5
- eine modulare Grundplatte mit geneigt angeordneten Stäben,
- Fig. 6
- eine modulare Schutzschicht mit interner Knautschschicht und äusserer Verkleidung,
- Fig. 7
- eine Variante einer Schutzschicht mit äusserer Vekleidung,
- Fig. 8
- das Prinzip einer durchsehbaren und verstellbaren Schutzschicht gemäss der Erfindung vor der Frontscheibe eines gepanzerten Fahrzeugs,
- Fig. 9
- einen Schützenpanzer mit modularen und speziellen Schutzschichten, auch für Sensoren und Ein- und Auslässe,
- Fig. 10
- eine Schutzschicht bestehend aus einem Stahlnetz mit in den Knoten des Netzes eingesetzten Stäben sowie
- Fig. 11
- eine Schutzschicht in Leichtbauweise hergestellt aus Blechstreifen, die mittels Strahlbearbeitung ausgeschnitten sind.
- Fig. 1
- the principle for preventing the initiation of a hollow charge by means of a protective layer, wherein as a variant only in one end region galvanically conductive rod is present,
- Fig. 2
- a hood of a projectile when hitting a protective layer,
- Fig. 3
- a further illustration of an obliquely flying projectile when hitting a protective layer,
- Fig. 4a
- a rod of a protective layer with conical tip,
- Fig. 4b
- a rod of a protective layer with sharp-edged pin,
- Fig. 5
- a modular base plate with inclined rods,
- Fig. 6
- a modular protective layer with internal crumple layer and outer cladding,
- Fig. 7
- a variant of a protective layer with outer clothing,
- Fig. 8
- the principle of a visible and adjustable protective layer according to the invention in front of the windshield of an armored vehicle,
- Fig. 9
- an armored infantry fighting vehicle with modular and special protective layers, also for sensors and inlets and outlets,
- Fig. 10
- a protective layer consisting of a steel net with rods inserted into the nodes of the net as well
- Fig. 11
- a protective layer in lightweight construction made of metal strips, which are cut out by means of blasting.
In sämtlichen Figuren sind gleiche Funktionselemente mit gleichen Bezugsziffern versehen.In all figures, the same functional elements are provided with the same reference numerals.
In
Versuche mit raketengetriebenen Hohlladungen mit einer Auftreffgeschwindigkeit von 300 m/s auf der Schutzschicht 1 haben ergeben, dass die Initiierung der Hohlladung mit nahezu 100% -iger Wahrscheinlichkeit verhindert wird, dies wenn die Flugrichtung F parallel zu den Stäben 3 ist. Die Versuche erfolgten mit Geschossen mit einem Kaliber von 85 mm und mit einer Matrix mit Stäben 3 von 6,5 mm Durchmesser aus hochfestem Stahl mit gehärteten Spitzen 3'. Die maximalen Abstände a zwischen den Stäben 3 (in der Diagonale der Matrix gemessen) betrugen 50 mm, deren Länge l1 war mit 140 mm festgelegt.Experiments with rocket-driven shaped charges with an impact velocity of 300 m / s on the
Ausgehend von der Erkenntnis aus den
Analog ist der Gegenstand nach
Aus
Selbstverständlich kann eine analoge Anordnung auch bei den auf der Zeichnung nicht geschützten Seitenfenstern vorgesehen werden.Of course, an analog arrangement can also be provided in the not protected on the drawing side windows.
In der Darstellung
Ein bewaffnetes Kettenfahrzeug,
Derartige Schutzschichten 10 empfehlen sich für sämtliche Ein- und Ausgänge, wie beispielsweise auch für Lufteintritte und Auspufföffnungen an Fahrzeugen oder stationären Anlagen. Beispielhaft sind hier am Schützenpanzer 111 seitliche Lufteinlässe 17 mit Stäben 3 versehen und damit geschützt.Such
Eine weitere Variante einer Schutzschicht 1' besteht aus einem an sich bekannten Stahlnetz
Neben der Gewichts- und Kosteneinsparung können mit dieser Ausführungsform wirkungsvoll und in kürzester Zeit gefährdete Objekte wie Eingänge, Fenster, Schächte u. dgl. vor Angriffen geschützt werden.In addition to the weight and cost savings can be with this embodiment effectively and in no time at risk endangered objects such as entrances, windows, shafts u. Like. Protected against attacks.
In einer Leichtbauversion nach
Hier übernehmen die Stege die Funktion der Platte (
Die nach
Zu allen Ausführungsbeispielen empfiehlt es sich die Stäbe und Metallteile 3,3b,3";R1-n mit der Masse (Erdung) zu verbinden, damit alle bei der Aktivierung der Zündvorrichtung vorhandene Potentiale sicher abgeleitet werden, bevor sie die Zündkette erreichen können.For all embodiments, it is advisable to connect the rods and
Der Erfindungsgegenstand ist nicht auf Geschosse mit Hohlladungen beschränkt. Er kann gegen alle Geschose eingesetzt werden, deren Zündvorgang durch eine elektrisch kurz geschlossene oder mit Masse verbundene, flächige Verbindungsleitung gestört ist. Dabei kann davon ausgegangen werden, dass die nominale Zündenergie eines Aufschlagzünders zur Initiierung einer Wirkladung notwendig ist und dass eventuell noch vorhanden Teilströme hierzu nicht genügen.The subject invention is not limited to projectiles with shaped charges. It can be used against all Geschose whose ignition process is disturbed by an electrically short-circuited or connected to ground, flat connection line. It can be assumed that the nominal ignition energy of an impact fuze on the Initiation of an active charge is necessary and that any remaining partial flows are not sufficient.
- 11
- Schutzschichtprotective layer
- 1'1'
- StahlnetzStahlnetz
- 1a1a
- Schutzschicht für Ein- und AusgängeProtective layer for inputs and outputs
- 22
- Grundplattebaseplate
- 2a2a
- Netz (Maschen)Net (mesh)
- 2'2 '
- innere Flächeinner surface
- 33
- Stab (Rundstab aus Stahl)Rod (steel rod)
- 3a3a
- Stab (aus Kohlefasern gewickelt)Rod (made of carbon fibers)
- 3b3b
- freier Endbereich von 3free end of 3
- 3'3 '
- Stirnseiten von 3End faces of 3
- 3"3 '
- Stab (Flachstab)Staff (flat bar)
- 44
- Flanschflange
- 55
- Konuscone
- 66
- Spitze (scharf)Tip (sharp)
- 77
- scharkantiger Zapfensharp-edged cones
- 88th
- KnautschschichtKnautschschicht
- 99
- Leichtschaumstoff (Polymerschicht)Lightweight foam (polymer layer)
- 1010
- seitliche Abdeckungen / Schutzschichtenside covers / protective layers
- 1111
- Verbundplattesandwich panel
- 1212
- Gelenkverbindungarticulation
- 1313
- Antrieb für 12Drive for 12
- 13'13 '
- seitliche Lagerlateral bearings
- 1414
- Knotennode
- 1515
- Knotenblech (Verstrebung)Gusset plate (bracing)
- 1616
- Dachschutzroof protection
- 1717
- seitliche Lufteinlässelateral air intakes
- 5050
- Blechstreifenmetal strip
- 5151
- Stegbreiteweb width
- 100100
- Geschossbullet
- 101101
- HaubeHood
- 102102
- Aufschlagzünder mit Piezo-Generator oder Piezo-SensorImpact fuse with piezo generator or piezo sensor
- 103103
- Hohlladungshaped charge
- 104104
- Auskleidung (Liner)Lining (liner)
- 110110
- gepanzertes Fahrzeugarmored vehicle
- 111111
- SchützenpanzerSchützenpanzer
- 112112
- Optische Sensoren/ KamerasOptical sensors / cameras
- AA
- Ausnehmungenrecesses
- aa
- grösster Abstand zwischen zwei Stäbenlargest distance between two bars
- αα
- Neigungswinkel Stäbe / GrundplatteTilt angle bars / base plate
- FF
- Flugrichtung Geschoss (am Ziel)Flight direction projectile (at the finish)
- Ff F f
- fiktive Flugrichtung (Bedrohung)fictitious flight direction (threat)
- KK
- Kaliber des GeschossesCaliber of the projectile
- l0 l 0
- Länge von HaubeLength of hood
- l1 1
- Länge Stab (ab 2' gemessen)Length rod (measured from 2 ')
- mm
- metallische Beschichtungmetallic coating
- OO
- zu schützendes Objektobject to be protected
- R1-RnR1-Rn
- Träger für Reihen von 3Carrier for rows of 3
Claims (8)
- Object protection against unguided and/or subsonic medium-calibre projectiles with electric impact fuses, comprising a protective layer (1) with rods (3, 3") arranged in a matrix and projecting from a surface, the rods (3, 3") projecting over an upper inner surface of the protective layer (1) and the diagonal distance (a) between the rods (3, 3") being less than the calibre (K) of the projectile (100) and greater than the tip of the projectile (100), and the entire length (Po) of the cap (101) of the projectile (100), measured from the tip of the impact fuse (102) to the maximum diameter of a liner (104) of a hollow charge, being shorter than the free length l1 of the rods (3, 3"), characterised in that the rods (3) are arranged at an angle (α) to the surface (2') which corresponds to the probable, presumed direction of flight on the object to be protected, and in that the rods (3) are arranged in rows on a tiltable carrier (R1) which is in an operative connection with tiltable carriers (R2-Rn) of further rows.
- Object protection against unguided and/or subsonic medium-calibre projectiles with electric impact fuses (102) which are axially arranged at the front with two-dimensional connection cables for connecting to the ignition chain, the object to be protected having a protective layer (1) with rods (3, 3") arranged in a matrix and projecting from a surface, wherein at least their surfaces (m) in the end region (3b) which is remote from the object to be protected are galvanically conductive, these rods (3, 3") projecting over an upper inner surface (2') of the protective layer (1) and the diagonal distance (a) between the rods (3) being less than the calibre (K) of the active projectile (100) and greater than the tip (102) of the projectile (100), and the entire length (Po) of the cap (101) of the projectile (100), measured from the tip of the impact fuse (102) to the maximum diameter of a liner (104) of a hollow charge (103), being shorter than the free length l1 of the rods (3, 3"), characterised in that the rods (3) are arranged at an angle (α) to the surface (2') which corresponds to the probable, presumed direction of flight on the object to be protected, and in that the rods (3) are arranged in rows on a tiltable carrier (R1) of the protective layer (1) which is in an operative connection with tiltable carriers (R2- Rn) of further rows.
- Object protection according to Claim 1, characterised in that the rows are adjustable automatically by a level regulation means.
- Object protection according to Claim 1 or 2, characterised in that the rods (3) are covered on their outer end faces (3') by at least one planar and continuous outer layer (9; 10).
- Object protection according to one of Claims 1 to 4, characterised in that the end faces (3') of the rods (3) have obtuse-angled cones (5) which end in sharp tips (6).
- Object protection according to one of Claims 1 to 4, characterised in that the end faces (3') of the rods (3) are stepped and have a central sharp-edged stud (7).
- Object protection according to one of Claims 1 to 4 or 5 to 6, characterised in that the rods (3) project out of a solid plate (2).
- Object protection according to one of Claims 1 to 4 or 5 to 6, characterised in that the rods (3) project out of the nodes (14; 15) of a steel mesh (1').
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12000855.2A EP2455701B1 (en) | 2008-12-29 | 2009-12-19 | Protection of an object from hollow charges |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08405315A EP2202478A1 (en) | 2008-12-29 | 2008-12-29 | Protection of objects from hollow charges and manufacturing method therefor |
EP12000855.2A EP2455701B1 (en) | 2008-12-29 | 2009-12-19 | Protection of an object from hollow charges |
EP09775088A EP2382437B1 (en) | 2008-12-29 | 2009-12-19 | Object protection from hollow charges and method for the production thereof |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09775088.9 Division | 2009-12-19 |
Publications (2)
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EP2455701A1 EP2455701A1 (en) | 2012-05-23 |
EP2455701B1 true EP2455701B1 (en) | 2013-09-04 |
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EP08405315A Withdrawn EP2202478A1 (en) | 2008-12-29 | 2008-12-29 | Protection of objects from hollow charges and manufacturing method therefor |
EP12000856.0A Active EP2455702B1 (en) | 2008-12-29 | 2009-12-19 | Protection of an object from hollow charges |
EP12000855.2A Active EP2455701B1 (en) | 2008-12-29 | 2009-12-19 | Protection of an object from hollow charges |
EP09775088A Active EP2382437B1 (en) | 2008-12-29 | 2009-12-19 | Object protection from hollow charges and method for the production thereof |
EP12000857.8A Active EP2455703B1 (en) | 2008-12-29 | 2009-12-19 | Protection of an object from hollow charges |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
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EP08405315A Withdrawn EP2202478A1 (en) | 2008-12-29 | 2008-12-29 | Protection of objects from hollow charges and manufacturing method therefor |
EP12000856.0A Active EP2455702B1 (en) | 2008-12-29 | 2009-12-19 | Protection of an object from hollow charges |
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Application Number | Title | Priority Date | Filing Date |
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EP09775088A Active EP2382437B1 (en) | 2008-12-29 | 2009-12-19 | Object protection from hollow charges and method for the production thereof |
EP12000857.8A Active EP2455703B1 (en) | 2008-12-29 | 2009-12-19 | Protection of an object from hollow charges |
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EP (5) | EP2202478A1 (en) |
AU (1) | AU2009335617A1 (en) |
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HR (1) | HRP20130435T1 (en) |
PL (1) | PL2382437T3 (en) |
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-
2008
- 2008-12-29 EP EP08405315A patent/EP2202478A1/en not_active Withdrawn
-
2009
- 2009-12-19 WO PCT/CH2009/000407 patent/WO2010075637A1/en active Application Filing
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- 2009-12-19 DK DK09775088.9T patent/DK2382437T3/en active
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2013
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2014
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EP2382437B1 (en) | 2013-02-20 |
US20110252955A1 (en) | 2011-10-20 |
US9074851B2 (en) | 2015-07-07 |
EP2202478A1 (en) | 2010-06-30 |
EP2455702B1 (en) | 2014-12-31 |
DK2382437T3 (en) | 2013-05-27 |
US20140041190A1 (en) | 2014-02-13 |
EP2455702A1 (en) | 2012-05-23 |
EP2455703B1 (en) | 2014-08-13 |
CA2747532A1 (en) | 2010-07-08 |
HRP20130435T1 (en) | 2013-06-30 |
US20140190342A1 (en) | 2014-07-10 |
ES2406759T3 (en) | 2013-06-10 |
US8578833B2 (en) | 2013-11-12 |
EP2382437A1 (en) | 2011-11-02 |
CA2747532C (en) | 2017-07-11 |
AU2009335617A1 (en) | 2011-07-21 |
EP2455703A1 (en) | 2012-05-23 |
PL2382437T3 (en) | 2013-07-31 |
WO2010075637A1 (en) | 2010-07-08 |
US8701541B2 (en) | 2014-04-22 |
EP2455701A1 (en) | 2012-05-23 |
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