EP3698097A1 - Decoy - Google Patents

Decoy

Info

Publication number
EP3698097A1
EP3698097A1 EP18772791.2A EP18772791A EP3698097A1 EP 3698097 A1 EP3698097 A1 EP 3698097A1 EP 18772791 A EP18772791 A EP 18772791A EP 3698097 A1 EP3698097 A1 EP 3698097A1
Authority
EP
European Patent Office
Prior art keywords
decoy
target
molded body
aircraft
shaped body
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.)
Granted
Application number
EP18772791.2A
Other languages
German (de)
French (fr)
Other versions
EP3698097B1 (en
Inventor
Vikorn KARAVANICH
Florian Huber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rheinmetall Waffe Munition GmbH
Original Assignee
Rheinmetall Waffe Munition GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rheinmetall Waffe Munition GmbH filed Critical Rheinmetall Waffe Munition GmbH
Publication of EP3698097A1 publication Critical patent/EP3698097A1/en
Application granted granted Critical
Publication of EP3698097B1 publication Critical patent/EP3698097B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F41H11/00—Defence installations; Defence devices
    • F41H11/02—Anti-aircraft or anti-guided missile or anti-torpedo defence installations or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J9/00—Moving targets, i.e. moving when fired at
    • F41J9/08—Airborne targets, e.g. drones, kites, balloons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J2/00—Reflecting targets, e.g. radar-reflector targets; Active targets transmitting electromagnetic or acoustic waves
    • F41J2/02—Active targets transmitting infrared radiation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
    • F42B12/56—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information for dispensing discrete solid bodies
    • F42B12/70—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information for dispensing discrete solid bodies for dispensing radar chaff or infrared material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/02—Cartridges, i.e. cases with charge and missile
    • F42B5/145—Cartridges, i.e. cases with charge and missile for dispensing gases, vapours, powders, particles or chemically-reactive substances
    • F42B5/15—Cartridges, i.e. cases with charge and missile for dispensing gases, vapours, powders, particles or chemically-reactive substances for creating a screening or decoy effect, e.g. using radar chaff or infrared material

Definitions

  • the invention relates to a decoy to form a decoy for the protection of an object, such as an aircraft.
  • the invention relates to a kinematic decoy target for high-speed aircraft for protection against IR threats.
  • the RF baffle includes means for receiving a plurality of radar signals from one or more directions, means for storing the radar signals, and means for analyzing the radar signals to determine threat parameters, etc. Depending on the nature of the threat, the RF baffle target moves backwards, downwards or ejected to the front.
  • IR seeks are usually given to seekers.
  • the purpose of this measure is that the seeker sees in the decoy a lukrativeres goal and selects this decoy, and then attacks this.
  • a pyrotechnic active body of this type describes u.a. US 6,427,599 B1.
  • DE 10 2008 017 725 A1 shows a safety device for an active mass block forming a decoy target, which is introduced into a mass-produced mass container with a sabot and a firing transfer charge.
  • the safety device is characterized by a prestressed tube sensor which is integrated between the sabot, the ignition transfer charge and the active mass container.
  • the tube sensor closes a Anzündkanal between the Anzündübertragungsladung and the effective mass and releases after leaving a launcher this channel. After release, the tube sensor can also cause a renewed ignition chain interruption. Modern seekers are able to distinguish a decoy target from a real target.
  • these seekers adopt their own ability to recognize whether it is a defensive measure, ie a fake target or the target itself. In doing so, these seekers evaluate the departure of the fictitious target from the target. Thus, such seekers may learn that heat sources that are ejected away from the target, ie, are ejected rearward against the direction of flight of the target, is a fake target. These seekers can detect and hide a false target via the so-called "line of sight rotation rate".
  • the seeker head can not detect the decoy target as a decoy target. It must be avoided that the seeker does not revert to the actual target. In such cases, the decoy must be deployed or ejected in the direction of flight and in front of the target. There must be a quick separation of the decoy and the target.
  • Non-propelled decoy targets are used in particular for slow-flying aircraft, such as helicopters and transport machines.
  • Slow-flying aircraft usually have an airspeed below 300 kts (knots).
  • the Vo speed setting is limited and subject to technical constraints due to the maximum allowable recoil forces for the launcher. Therefore, limits are set in this area.
  • the invention is therefore based on the idea to form the decoy that forms decoy so that it limits the recoil tips when the decoy is ejected from a projector or the like. Rather, the decoy and thus the decoy receives an impulse entry in order to position itself in front of the object to be protected and to be able to separate from it.
  • this structurally simple structure is that can be separated sufficiently fast and safe from the aircraft by this shaped body of the decoy.
  • the decoy By choosing the shaped body in coordination with the primer, it is achieved that the decoy overtakes the aircraft so as to form a better target for the incoming threat without detection as a decoy.
  • the decoy and thus the decoy will be given an excess impulse output, which then degrades over the necessary period.
  • the principle is based on a forward separation and ahead of a drive-less decoy against the aircraft to be protected immediately after ejection.
  • the decoy Due to the omission of the rocket drives much more effective mass can be introduced in the decoy, so that the decoy can act sufficiently long.
  • the decoy is separated from the target or aircraft at an angle to the target so as to better position itself to the threat and to prevent the seeker from returning to the actual target.
  • the thus constructed decoy or the decoy target constructed in this way thus fulfills all prerequisites in order to prevent the seeker from jumping back onto the actual target.
  • Propellant charge powder is proposed in the igniter piece, a fuel whose chemical energy is converted by combustion into a kind of driving force. Black powder, on the other hand, should be avoided. To limit the associated recoil tips in the launcher and accelerate the decoy sufficient.
  • the material for the molding should, as already stated, be heavy, have a high weight or a high mass. It should be heavier than the decoy itself, i. without moldings.
  • u offers. a. a shaped body made of tungsten. Although gold and other materials would meet this condition, the associated cost must be considered.
  • MTV Magnetic / Teflon / Viton
  • the decoy has an ignition piece on the end side and a molding on the outlet side. If the decoy has an active mass container, the firing piece can be fastened to the end side and the shaped body can be fastened to the latter on the outlet side.
  • the ignition piece contains a propellant charge, which is converted into a drive energy and gives the decoy the necessary power (energy) to settle on the high-flyer to the front, to separate.
  • the molded body is heavier than the decoy itself (without moldings) and has the task of slowing the separation of the decoy to the rear. For this purpose, the molding should be at least 1, 0-1, 5 times heavier than the decoy.
  • the molding is at least twice as heavy.
  • FIG. 1 is a schematic representation of a typical deployment scenario of an aircraft with deployed decoy
  • Fig. 3 is a representation of the decoy target of Fig. 2 after launch.
  • a fast-flying aircraft (high-speed aircraft) 1 is shown.
  • This illustration in FIG. 1 is made from the perspective of a threat 2, here from the perspective of a seeker head.
  • a decoy 3 is deployed against the threat of detection to emulate a decoy 3 '.
  • the high-speed aircraft 1 at least one launcher 4, which is designed to eject the decoy 3 forward in the direction of flight of the high-speed aircraft 1 can.
  • At least one warning sensor 5, which detects the incoming threat 2 and activates the launcher 4 or the protection system which opposes the decoy 3 of the threat 2 is considered as a detection sensor.
  • the decoy 3 is spread at an angle, preferably in a solid angle, to the high-speed aircraft 1 forward relative to the aircraft (FIG. 1).
  • the structure of the decoy 3 show FIGS. 2 and 3.
  • the decoy 3 comprises an ignition piece 6, which is attached to the end of an active mass container 8 of the decoy 3.
  • a tube sensor 7 is provided between a sabot 10 and the ignition piece 6.
  • the active mass container 8 in turn serves to receive an active mass 9.
  • a molded body 1 1 is incorporated on the active mass container 8.
  • the mouth side attached to the active mass container 8 molded body 1 1 is made massive.
  • the weight of the molded body 1 1 is greater than the weight of the decoy 3 without molded body 1 1.
  • the molded body 1 1 for fast-flying aircraft should be at least the 1, 0-1, 5-fold of what the decoy 3 without moldings 1 1 would weigh. In practice, it has been found to be sufficient if the molded body 1 1 is twice as heavy as the decoy 3 itself without molding 1 1.
  • the molded body 1 1 may preferably consist of tungsten.
  • Shaped body 1 1 and igniter 6 or the propellant contained therein are coordinated so that the expected recoil is set exactly.
  • Fig. 3 are the propellant 3 shortly after ejection from a firing tube of the thrower 4, not shown again.
  • the propellant body 3 undergoes a power input, ie, a driving force that not only drives it out of the launching tube of the thrower 4, but counteracts a recoil impulse which usually occurs during launch and thus does not act on it can arise.
  • the acted upon by this pulse surplus propellant body 3 is due to the fact before the high-speed aircraft 1, in which phase the propellant body 3 as a decoy 3 'is implemented.
  • the tube sensor 7 releases the ignition channel, not shown, wherein the active mass 9 is ignited and the dummy target 3 'forms.
  • the blossoming of the decoy 3 ' is perceived by the threat 2 as a target, since it is built in the direction of flight of the high-speed aircraft 1.
  • the available active mass 9 in turn lights up so long that the threat 2 can no longer lock on the high-speed aircraft 1, if this past behind the decoy 3 'past.

Abstract

The invention relates to a decoy (3) for protecting a fast aircraft (1) against an incoming threat (2), wherein said decoy is non-driven. The decoy (3) has a squib (6) on one end and a molded body (11) on the opening side. If the decoy (3) has an active material container (8), the squib (6) can be attached to the end side thereof and the molded body (11) attached to the opening side thereof. The squib (6) contains a propellant, which is converted into a drive energy. The molded body (11) is heavier than the decoy (3) without the molded body (11) and has the task of preventing the separating of the molded body (3) to the rear. In addition, the molded body (11) should be at least 1.0-1.5 times heavier than the decoy itself. Advantageously, however, the molded body (11) is twice as heavy.

Description

BESCHREIBUNG  DESCRIPTION
Täuschkörper decoys
Die Erfindung beschäftigt sich mit einem Täuschkörper zur Bildung eines Scheinziels zum Schutz eines Objektes, beispielsweise eines Flugzeugs. Die Erfindung betrifft insbesondere ein kinematisches Scheinziel für schnellfliegende Luftfahrzeuge zum Schutz vor IR- Bedrohungen. The invention relates to a decoy to form a decoy for the protection of an object, such as an aircraft. In particular, the invention relates to a kinematic decoy target for high-speed aircraft for protection against IR threats.
Aus der WO 2008/050343 A2 sind ein HF-Täuschziel sowie ein Verfahren zum Täuschen von auf radarbasierenden Flugkörpern bekannt. Die eigenständig luftgestützten HF-Täuschziele sind zum Schutz gegen mehrere feindliche radargestützte Bedrohungen eingerichtet. Das HF- Täuschziel umfasst Mittel zum Empfangen von mehreren Radarsignalen aus einer oder mehreren Richtungen, Mittel zum Speichern der Radarsignale sowie Mittel zum Analysieren der Radarsignale, um Bedrohungsparameter zu ermitteln etc. Je nach Art der Bedrohung wird das HF-Täuschziel nach hinten, nach unten oder nach vorne ausgestoßen. From WO 2008/050343 A2 an HF-deception target and a method for deceiving on radar-based missiles are known. The independently airborne RF decoys are designed to protect against multiple enemy radar-based threats. The RF baffle includes means for receiving a plurality of radar signals from one or more directions, means for storing the radar signals, and means for analyzing the radar signals to determine threat parameters, etc. Depending on the nature of the threat, the RF baffle target moves backwards, downwards or ejected to the front.
Für Bedrohungen, die sich auf Wärmequellen aufschalten, werden in der Regel den Suchköpfen IR-Scheinziele entgegengebracht. Sinn und Zweck dieser Maßnahme ist es, dass der Suchkopf in dem Scheinziel ein lukrativeres Ziel sieht und sich dieses Scheinziel aussucht, und dann dieses angreift. Einen pyrotechnischen Wirkkörper dieser Art beschreibt u.a. die US 6,427,599 B1 . For threats that rely on heat sources, IR seeks are usually given to seekers. The purpose of this measure is that the seeker sees in the decoy a lukrativeres goal and selects this decoy, and then attacks this. A pyrotechnic active body of this type describes u.a. US 6,427,599 B1.
Aus der DE 10 2008 017 722 A1 ist ein Wirkmassenbehälter für einen Wirkmassenblock bekannt. Dieser weist einen Anströmschutz in Form einer Kappe mit integrierter Schutz-, Stütz-, Führungs- bzw. Positionierungsfunktion auf. From DE 10 2008 017 722 A1 an active mass container for a kneading mass block is known. This has a Anströmschutz in the form of a cap with integrated protection, support, leadership and positioning function.
Die DE 10 2008 017 725 A1 zeigt eine Sicherheitseinrichtung für einen, ein Scheinziel bildenden Wirkmassenblock, der in einem Wirkmassenbehälter mit einem Treibspiegel sowie einer Anzündübertragungsladung eingebracht ist. Die Sicherheitseinrichtung zeichnet sich durch einen vorgespannten Rohrfühler aus, welcher zwischen dem Treibspiegel, der Anzündübertragungsladung sowie dem Wirkmassenbehälter eingebunden ist. Der Rohrfühler verschließt einen Anzündkanal zwischen der Anzündübertragungsladung und der Wirkmasse und gibt nach Verlassen eines Abschussrohres diesen Kanal frei. Nach einer Freigabe kann durch den Rohrfühler auch eine erneute Anzündkettenunterbrechung erfolgen. Moderne Suchköpfe sind in der Lage, ein Scheinziel von einem wirklichen Ziel (Target) unterscheiden zu können. Dabei machen sich diese Suchköpfe zu eigen, erkennen zu können, ob es sich um eine Abwehrmaßnahme, also um ein Scheinziel handelt oder um das Ziel selbst. Dabei werten diese Suchköpfe den Abgang des Scheinziels vom Ziel weg aus. So können derartige Suchköpfe lernen, dass es sich bei Wärmequellen, die sich vom Ziel weg, d.h., entgegen der Flugrichtung des Targets bzw. Ziels nach hinten ausgestoßen werden, um ein Scheinziel handelt. Diese Suchköpfe können über die sogenannte„Sichtlinien-Drehrate" ein Falschziel erkennen und ausblenden. DE 10 2008 017 725 A1 shows a safety device for an active mass block forming a decoy target, which is introduced into a mass-produced mass container with a sabot and a firing transfer charge. The safety device is characterized by a prestressed tube sensor which is integrated between the sabot, the ignition transfer charge and the active mass container. The tube sensor closes a Anzündkanal between the Anzündübertragungsladung and the effective mass and releases after leaving a launcher this channel. After release, the tube sensor can also cause a renewed ignition chain interruption. Modern seekers are able to distinguish a decoy target from a real target. In doing so, these seekers adopt their own ability to recognize whether it is a defensive measure, ie a fake target or the target itself. In doing so, these seekers evaluate the departure of the fictitious target from the target. Thus, such seekers may learn that heat sources that are ejected away from the target, ie, are ejected rearward against the direction of flight of the target, is a fake target. These seekers can detect and hide a false target via the so-called "line of sight rotation rate".
Zur erfolgreichen Abwehr derartiger Bedrohungen ist es daher notwendig, den Wirkkörper bzw. das Scheinziel so auszustoßen, dass der Suchkopf das Scheinziel nicht als Scheinziel detektieren kann. Es muss vermieden werden, dass sich der Suchkopf auf das eigentliche Ziel nicht wieder aufschaltet. In solchen Fällen muss das Scheinziel in Flugrichtung und vor dem Ziel ausgebracht bzw. ausgestoßen werden. Dabei muss ein schnelles Separieren von Scheinziel und Ziel erfolgen. For successful defense against such threats, it is therefore necessary to eject the active body or the decoy target in such a way that the seeker head can not detect the decoy target as a decoy target. It must be avoided that the seeker does not revert to the actual target. In such cases, the decoy must be deployed or ejected in the direction of flight and in front of the target. There must be a quick separation of the decoy and the target.
Nicht angetriebene Scheinziele werden insbesondere für langsam fliegende Flugzeuge, wie Hubschrauber und Transportmaschinen, verwendet. Langsam fliegende Flugzeuge haben in der Regel eine Fluggeschwindigkeit von unter 300 kts (Knoten). Non-propelled decoy targets are used in particular for slow-flying aircraft, such as helicopters and transport machines. Slow-flying aircraft usually have an airspeed below 300 kts (knots).
Bei schneller fliegenden Flugzeugen, wie Jets mit Geschwindigkeiten ab 300 bis 600 kts (Knoten), werden aktuell angetriebene Scheinziele eingesetzt, um das notwendige Separationsverhalten von Flugzeug und Scheinziel zu erreichen. Dabei muss das angetriebene Scheinziel den Schnellflieger so überholen, dass der Suchkopf dieses Scheinziel als das eigentliche Ziel definiert. Als Antrieb dienen in der Regel Raketenantriebe. Der Nachteil dieses Antriebskonzepts ist, dass sie komplex sind, teuer und einen eigenen Bauraum benötigen. Das geht u.a. auch auf Kosten der Menge der Wirkmasse des Scheinziels. Eine Nutzung von nicht angetriebenen Scheinzielen als Scheinziel für einen Schnellflieger ist derzeit nicht vorgesehen. Dabei wird von der Annahme ausgegangen, dass nicht angetriebene Scheinziele keine Geschwindigkeit aufbringen können, um die Eigengeschwindigkeit des Schnellfliegers zu übertrumpfen. Diese Annahme resultiert auch daraus, dass die Anströmgeschwindigkeit an das Scheinziel dieses zu schnell nach hinten separiert, d.h. in die Richtung, die der Suchkopf des Scheinziels auch als Scheinziel erkennt. In fast-flying aircraft, such as jets with speeds from 300 to 600 kts (knots), currently powered decoy targets are used to achieve the necessary separation behavior of aircraft and decoy. The driven decoy target must overtake the high-speed aircraft so that the seeker defines this decoy as the actual target. As drive usually serve rocket drives. The disadvantage of this drive concept is that they are complex, expensive and need their own space. This is possible u.a. also at the expense of the amount of effective mass of the decoy. A use of non-powered decoy targets as a decoy for a high-speed aircraft is currently not provided. It is assumed that undriven decoy targets can not apply speed in order to outperform the speed of the high-speed aircraft. This assumption also results from the fact that the inflow velocity to the decoy target separates it too quickly to the rear, i. in the direction that the seeker's head of the decoy target also recognizes as a decoy.
Hier setzt die Aufgabe der Erfindung an, ein Scheinziel bzw. einen Wirk- oder Täuschkörper für schnell fliegende Luftfahrzeuge aufzuzeigen, das/der mit nicht angetriebenen Scheinzielen auskommt, sodass auf teure Raketenantriebe verzichtet werden kann. Gelöst wird die Aufgabe durch die Merkmale des Patentanspruchs 1 . Vorteilhafte Ausführungen werden in den Unteransprüchen abgebildet. This is where the object of the invention to show a decoy or an active or decoy body for fast-moving aircraft, the / manages with non-driven decoy targets, so that can be dispensed with expensive rocket engines. The problem is solved by the features of claim 1. Advantageous embodiments are shown in the subclaims.
Die Einstellung der Vo-Geschwindigkeit ist beschränkt und unterliegt technischen Vorgaben, aufgrund der maximal zulässigen RückStoßkräfte für die Werferanlage. Daher sind in diesem Bereich Grenzen gesetzt. The Vo speed setting is limited and subject to technical constraints due to the maximum allowable recoil forces for the launcher. Therefore, limits are set in this area.
Der Erfindung liegt daher die Idee zugrunde, den das Scheinziel bildenden Täuschkörper so auszubilden, dass dieser die Rückstoßspitzen limitiert, wenn der Täuschkörper aus einem Werfer oder dergleichen ausgestoßen wird. Vielmehr erfährt der Täuschkörper und damit das Scheinziel einen Impulseintrag, um sich so schnell vor das zu schützende Objekt in Position zu stellen und sich von diesem separieren zu können. The invention is therefore based on the idea to form the decoy that forms decoy so that it limits the recoil tips when the decoy is ejected from a projector or the like. Rather, the decoy and thus the decoy receives an impulse entry in order to position itself in front of the object to be protected and to be able to separate from it.
Diese Idee wird dadurch umgesetzt, dass ein zusätzlicher Formkörper am in Flugrichtung gesehen vorderen Ende des Täuschkörpers angebracht wird. Anzündstück und Formkörper sind dabei aufeinander abzustimmen, um einen Rückstoß exakt einzustellen und genügend Vo zu erreichen. Das Gewicht des Formkörpers verhindert ein vorzeitiges Separieren des Täuschkörpers und des Flugzeugs nach hinten. Der Täuschkörper stellt sich mit diesem Gewicht der Anströmgeschwindigkeit entgegen. This idea is implemented by the fact that an additional molded body is attached to the seen in the direction of flight front end of the decoy. Anzündstück and moldings are matched to each other to set a recoil exactly and to reach enough Vo. The weight of the molding prevents premature separation of the decoy and the aircraft to the rear. The decoy counteracts with this weight of the flow velocity.
Ziel dieses konstruktiv einfachen Aufbaus ist es, dass sich durch diesen Formkörper der Täuschkörper ausreichend schnell und sicher vom Luftfahrzeug separieren kann. Durch die Wahl des Formkörpers in Abstimmung mit dem Anzündstück wird erreicht, dass der Täuschkörper das Luftfahrzeug überholt, um so ein besseres Ziel für die ankommende Bedrohung ohne ein Erkennen als Scheinziel zu bilden. Dem Täuschkörper und damit dem Scheinziel wird beim Ausstoß ein Impulsüberschuss mitgegeben, der sich dann über den notwendigen Zeitraum abbaut. Das Prinzip beruht auf einer Vorwärtsseparation und vorauseilend eines an- triebs-losen Täuschkörpers gegenüber dem zu schützenden Flugzeug unmittelbar nach Ausstoß. The aim of this structurally simple structure is that can be separated sufficiently fast and safe from the aircraft by this shaped body of the decoy. By choosing the shaped body in coordination with the primer, it is achieved that the decoy overtakes the aircraft so as to form a better target for the incoming threat without detection as a decoy. The decoy and thus the decoy will be given an excess impulse output, which then degrades over the necessary period. The principle is based on a forward separation and ahead of a drive-less decoy against the aircraft to be protected immediately after ejection.
Durch den Wegfall der Raketenantriebe kann im Scheinziel wesentlich mehr Wirkmasse eingebracht werden, sodass das Scheinziel ausreichend lange wirken kann. Das Separieren des Täuschkörpers vom Ziel bzw. Flugzeug erfolgt unter einem Winkel zum Ziel, um sich so besser zur Bedrohung positionieren zu können und zu verhindern, dass der Suchkopf auf das eigentliche Ziel zurückzugeht. Der so aufgebaute Täuschkörper bzw. das derart aufgebaute Scheinziel erfüllt damit alle Voraussetzungen, um ein Zurückspringen des Suchkörpers auf das eigentliche Ziel zu verhindern. lm Anzündstück wird Treibladungspulver vorgeschlagen, ein Brennstoff, dessen chemische Energie durch Verbrennung in eine Art Antriebskraft umgewandelt wird. Von Schwarzpulver sollte hingegen Abstand genommen werden. Die damit verbundenen Rückstoßspitzen in den Werferanlagen zu limitieren und den Täuschkörper ausreichend zu beschleunigen. Due to the omission of the rocket drives much more effective mass can be introduced in the decoy, so that the decoy can act sufficiently long. The decoy is separated from the target or aircraft at an angle to the target so as to better position itself to the threat and to prevent the seeker from returning to the actual target. The thus constructed decoy or the decoy target constructed in this way thus fulfills all prerequisites in order to prevent the seeker from jumping back onto the actual target. Propellant charge powder is proposed in the igniter piece, a fuel whose chemical energy is converted by combustion into a kind of driving force. Black powder, on the other hand, should be avoided. To limit the associated recoil tips in the launcher and accelerate the decoy sufficient.
Das Material für den Formkörper sollte, wie bereits ausgeführt, schwer sein, ein hohes Gewicht bzw. eine hohe Masse besitzen. Er soll schwerer sein als der Täuschkörper selbst, d.h. ohne Formkörper. Hier bietet sich u. a. ein Formkörper aus Wolfram an. Wenngleich auch Gold und weitere Materialien diese Bedingung erfüllen würden, ist der damit verbundene Kostenaufwand zu bedenken. Als Scheinzielwirkmasse kann in bekannter Art und Weise MTV (Magnesium/T eflon/Viton) verwendet werden. The material for the molding should, as already stated, be heavy, have a high weight or a high mass. It should be heavier than the decoy itself, i. without moldings. Here u offers. a. a shaped body made of tungsten. Although gold and other materials would meet this condition, the associated cost must be considered. MTV (Magnesium / Teflon / Viton) can be used in a known manner as a fake target active mass.
Vorgeschlagen wird ein Täuschkörper zum Schutz eines sogenannten Schnellfliegers gegen eine ankommende Bedrohung, der antriebslos ist. Der Täuschkörper weist endseitig ein Anzündstück und mündungsseitig einen Formkörper auf. Verfügt der Täuschkörper über einen Wirkmassenbehälter können das Anzündstück endseitig und der Formkörper mündungsseitig an diesem befestigt sein. Das Anzündstück enthält eine Treibladung, die in eine Antriebsenergie umgewandelt wird und dem Täuschkörper die notwendige Leistung (Energie) mitgibt, um sich vom Schnellflieger nach vorne abzusetzen, zu separieren. Der Formkörper ist schwerer als der Täuschkörper selbst (ohne Formkörper) und hat die Aufgabe, das Separieren des Täuschkörpers nach hinten zu verlangsamen. Dazu sollte der Formkörper zumindest 1 ,0-1 ,5- fach schwerer sein als der Täuschkörper. Vorteilhaft ist der Formkörper zumindest doppelt so schwer. It proposes a decoy to protect a so-called high-speed aircraft against an incoming threat that is unpowered. The decoy has an ignition piece on the end side and a molding on the outlet side. If the decoy has an active mass container, the firing piece can be fastened to the end side and the shaped body can be fastened to the latter on the outlet side. The ignition piece contains a propellant charge, which is converted into a drive energy and gives the decoy the necessary power (energy) to settle on the high-flyer to the front, to separate. The molded body is heavier than the decoy itself (without moldings) and has the task of slowing the separation of the decoy to the rear. For this purpose, the molding should be at least 1, 0-1, 5 times heavier than the decoy. Advantageously, the molding is at least twice as heavy.
Anhand eines Ausführungsbeispiels mit Zeichnung soll die Erfindung näher erläutert werden. Es zeigt: Reference to an embodiment with drawing, the invention will be explained in more detail. It shows:
Fig. 1 eine schematische Darstellung eines typischen Einsatzszenarios eines Flugzeugs mit ausgebrachtem Scheinziel, 1 is a schematic representation of a typical deployment scenario of an aircraft with deployed decoy,
Fig. 2 eine leicht transparente Darstellung des Scheinziels vor dem Abschuss mit den wesentlichen Bauteilen, 2 shows a slightly transparent representation of the decoy target before launching with the essential components,
Fig. 3 eine Darstellung des Scheinziels aus Fig. 2 nach Abschuss. Fig. 3 is a representation of the decoy target of Fig. 2 after launch.
In Fig. 1 ist ein schnellfliegendes Flugzeug (Schnellflieger) 1 dargestellt. Diese Darstellung in Fig. 1 erfolgt aus Sicht einer Bedrohung 2, hier aus Sicht eines Suchkopfes. Zur Abwehr dieser Bedrohung wird ein Täuschkörper 3 gegen die Bedrohung nach Detektion ausgebracht, um ein Scheinziel 3' nachzubilden. Dazu weist der Schnellflieger 1 wenigstens einen Werfer 4 auf, der dazu ausgelegt ist, den Täuschkörper 3 nach vorne in Flugrichtung des Schnellfliegers 1 ausstoßen zu können. Als Detektionssensor ist zumindest ein Warnsensor 5 angedacht, der die ankommende Bedrohung 2 erfasst und den Werfer 4 bzw. das Schutzsystem aktiviert, das den Täuschkörper 3 der Bedrohung 2 entgegenstellt. Aufgrund der Eigenschaft dieses Täuschkörpers 3 und der Wirkungsweise der Bedrohung 2 nimmt die Bedrohung 2 diesen Täuschkörper 3 als attraktiveres Ziel war und schaltet sich auf dieses Scheinziel 3' auf. Der Täuschkörper 3 wird im Winkel, bevorzugt in einem Raumwinkel, zum Schnellflieger 1 nach vorne relativ zum Flugzeug ausgebracht (Fig. 1 ). In Fig. 1, a fast-flying aircraft (high-speed aircraft) 1 is shown. This illustration in FIG. 1 is made from the perspective of a threat 2, here from the perspective of a seeker head. To ward off this threat, a decoy 3 is deployed against the threat of detection to emulate a decoy 3 '. For this purpose, the high-speed aircraft 1 at least one launcher 4, which is designed to eject the decoy 3 forward in the direction of flight of the high-speed aircraft 1 can. At least one warning sensor 5, which detects the incoming threat 2 and activates the launcher 4 or the protection system which opposes the decoy 3 of the threat 2, is considered as a detection sensor. Due to the nature of this decoy 3 and the mode of action of the threat 2, the threat 2 takes this decoy 3 as a more attractive target and turns on this decoy 3 'on. The decoy 3 is spread at an angle, preferably in a solid angle, to the high-speed aircraft 1 forward relative to the aircraft (FIG. 1).
Den Aufbau des Täuschkörpers 3 zeigen Fig. 2 und 3. The structure of the decoy 3 show FIGS. 2 and 3.
Der Täuschkörper 3 umfasst ein Anzündstück 6, das endseitig an einem Wirkmassenbehälter 8 des Täuschkörpers 3 angebracht ist. Zwischen einem Treibspiegel 10 und dem Anzündstück 6 ist aus Sicherheitsgründen ein Rohrfühler 7 vorgesehen. Der Wirkmassenbehälter 8 dient seinerseits zur Aufnahme einer Wirkmasse 9. The decoy 3 comprises an ignition piece 6, which is attached to the end of an active mass container 8 of the decoy 3. For safety reasons, a tube sensor 7 is provided between a sabot 10 and the ignition piece 6. The active mass container 8 in turn serves to receive an active mass 9.
Vorderseitig bzw. mündungsseitig ist am Wirkmassenbehälter 8 ein Formkörper 1 1 eingebunden. Der mündungsseitig am Wirkmassenbehälter 8 befestigte Formkörper 1 1 ist massiv ausgeführt. Das Gewicht des Formkörpers 1 1 ist dabei größer als das Gewicht des Täuschkörpers 3 ohne Formkörper 1 1 . In der Regel sollte der Formkörper 1 1 für schnellfliegende Flugzeuge mindestens das 1 ,0-1 ,5-fache dessen sein, was der Täuschkörper 3 ohne Formkörper 1 1 wiegen würde. In der Praxis hat sich als ausreichend gezeigt, wenn der Formkörper 1 1 doppelt so schwer ist, wie der Täuschkörper 3 selbst ohne Formkörper 1 1 . Der Formkörper 1 1 kann bevorzugt aus Wolfram bestehen. On the front side or the mouth side, a molded body 1 1 is incorporated on the active mass container 8. The mouth side attached to the active mass container 8 molded body 1 1 is made massive. The weight of the molded body 1 1 is greater than the weight of the decoy 3 without molded body 1 1. In general, the molded body 1 1 for fast-flying aircraft should be at least the 1, 0-1, 5-fold of what the decoy 3 without moldings 1 1 would weigh. In practice, it has been found to be sufficient if the molded body 1 1 is twice as heavy as the decoy 3 itself without molding 1 1. The molded body 1 1 may preferably consist of tungsten.
Formkörper 1 1 und Anzündstück 6 bzw. die darin enthaltene Treibladung sind so aufeinander abzustimmen, dass der zu erwartende Rückstoß exakt eingestellt wird. Shaped body 1 1 and igniter 6 or the propellant contained therein are coordinated so that the expected recoil is set exactly.
Die Fig. 3 gibt den Treibkörper 3 kurz nach Ausstoß aus einem nicht näher dargestellten Abschussrohr des Werfers 4 wieder. Mit Zündung einer Anzündladung (Treibladung) im Anzündstück 6 erfährt der Treibkörper 3 einen Leistungseintrag, d.h., eine Antriebskraft, die diesen nicht nur aus dem Abschussrohr des Werfers 4 heraus treibt, sondern einem in der Regel beim Abschuss auftretenden Rückstoßimpuls entgegen wirkt und somit diesen nicht entstehen lässt. Der mit diesem Impulsüberschuss beaufschlagte Treibkörper 3 setzt sich aufgrund dessen vor den Schnellflieger 1 , wobei in dieser Phase der Treibkörper 3 als Scheinziel 3' umgesetzt wird. Dazu gibt der Rohrfühler 7 den nicht näher dargestellten Anzündkanal frei, wobei die Wirkmasse 9 entzündet wird und sich das Scheinziel 3' bildet. Das Aufblühen des Scheinziels 3' wird von der Bedrohung 2 als Ziel wahrgenommen, da es in Flugrichtung des Schnellfliegers 1 aufgebaut wird. Die zur Verfügung stehende Wirkmasse 9 leuchtet ihrerseits so lange, dass die Bedrohung 2 sich nicht mehr auf den Schnellflieger 1 aufschalten kann, wenn dieser hinter dem Scheinziel 3' vorbeifliegt. Fig. 3 are the propellant 3 shortly after ejection from a firing tube of the thrower 4, not shown again. Upon ignition of an ignition charge (propellant charge) in the ignition piece 6, the propellant body 3 undergoes a power input, ie, a driving force that not only drives it out of the launching tube of the thrower 4, but counteracts a recoil impulse which usually occurs during launch and thus does not act on it can arise. The acted upon by this pulse surplus propellant body 3 is due to the fact before the high-speed aircraft 1, in which phase the propellant body 3 as a decoy 3 'is implemented. For this purpose, the tube sensor 7 releases the ignition channel, not shown, wherein the active mass 9 is ignited and the dummy target 3 'forms. The blossoming of the decoy 3 'is perceived by the threat 2 as a target, since it is built in the direction of flight of the high-speed aircraft 1. The available active mass 9 in turn lights up so long that the threat 2 can no longer lock on the high-speed aircraft 1, if this past behind the decoy 3 'past.

Claims

PATENTANSPRÜCHE
1 . Täuschkörper (3) zum Schutz eines Schnellfliegers (1 ) gegen eine ankommende Bedrohung (2) und Bildung eines Scheinziels (3'), dadurch gekennzeichnet, dass der Täuschkörper (3) antriebslos ist. 1 . Decoy (3) for protecting a high-speed aircraft (1) against an incoming threat (2) and forming a decoy (3 '), characterized in that the decoy (3) is unpowered.
2. Täuschkörper (3) nach Anspruch 1 , dadurch gekennzeichnet, dass endseitig am Täuschkörper (3) ein Anzündstück (6) und mündungsseitig ein Formkörper (1 1 ) angebracht sind. Second decoy (3) according to claim 1, characterized in that the ends of the decoy (3) a Anzündstück (6) and the mouth side, a shaped body (1 1) are mounted.
3. Täuschkörper (3) nach Anspruch 2, dadurch gekennzeichnet, dass das Anzündstück (6) eine Treibladung enthält. 3. decoy (3) according to claim 2, characterized in that the ignition piece (6) contains a propellant charge.
4. Täuschkörper (3) nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass der Formkörper (1 1 ) schwerer ist als der Täuschkörper (3) ohne Formkörper (1 1 ) 4. decoy (3) according to claim 2 or 3, characterized in that the shaped body (1 1) is heavier than the decoy (3) without molded body (1 1)
5. Täuschkörper (3) nach Anspruch 4, dadurch gekennzeichnet, dass der Formkörper (1 1 ) zumindest 1 ,0-1 ,5 -fach schwerer als der Täuschkörper (3) ist. 5. decoy (3) according to claim 4, characterized in that the shaped body (1 1) at least 1, 0-1, 5 times heavier than the decoy (3).
6. Täuschkörper (3) nach Anspruch 4, dadurch gekennzeichnet, dass der Formkörper (1 1 ) doppelt so schwer wie der Täuschkörper (3) ist. 6. decoy (3) according to claim 4, characterized in that the shaped body (1 1) twice as heavy as the decoy (3).
7. Täuschkörper (3) nach einem der Ansprüche 4 bis 6, dadurch gekennzeichnet, dass der Formkörper (1 1 ) aus Wolfram, Gold oder dergleichen besteht. 7. decoy (3) according to one of claims 4 to 6, characterized in that the shaped body (1 1) consists of tungsten, gold or the like.
8. Täuschkörper (3) nach einem der Anasprüche, dadurch gekennzeichnet, dass als Scheinzielwirkmasse MTV (Magnesium/T eflon/Viton) verwendet wird. 8. decoy (3) according to one of Anasprüche, characterized in that is used as a fake target active mass MTV (Magnesium / T eflon / Viton).
9. Schnellflieger (1 ) mit einem Täuschkörper (3) nach einem der Ansprüche 1 bis 8. 9. fast flyer (1) with a decoy (3) according to one of claims 1 to 8.
10. Schnellflieger (1 ) nach Anspruch 9, gekennzeichnet durch einen Werfer (4) zum Ausstoßen des wenigstens einen Täuschkörpers (3) sowie wenigstens einem Warnsensor zur Erfassung einer ankommenden Bedrohung und Aktivierung des Werfers (4). 10. fast flyer (1) according to claim 9, characterized by a launcher (4) for ejecting the at least one decoy (3) and at least one warning sensor for detecting an incoming threat and activation of the launcher (4).
1 1 . Schnellflieger (1 ) nach Anspruch 9 oder 10, gekennzeichnet durch einen vorwärts gerichteten Werfer (4). 1 1. A high-speed aircraft (1) according to claim 9 or 10, characterized by a forward thrower (4).
12. Schnellflieger (1 ) nach Anspruch 12, dadurch gekennzeichnet, dass der Täuschkörper (3) in einem Winkel, bevorzugt in einem Raumwinkel, zum Schnellflieger (1 ) nach vorne ausgebracht wird. 12. fast flyer (1) according to claim 12, characterized in that the decoy (3) at an angle, preferably in a solid angle, the fast flyer (1) is applied to the front.
EP18772791.2A 2017-10-18 2018-09-17 Decoy Active EP3698097B1 (en)

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DE102017124351.8A DE102017124351A1 (en) 2017-10-18 2017-10-18 decoys
PCT/EP2018/075023 WO2019076555A1 (en) 2017-10-18 2018-09-17 Decoy

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DE102017124351A1 (en) 2019-04-18
US11098985B2 (en) 2021-08-24
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IL273792B (en) 2022-04-01
AU2018353290B2 (en) 2021-11-11
IL273792A (en) 2020-05-31
WO2019076555A1 (en) 2019-04-25
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AU2018353290A1 (en) 2020-04-23
KR102327515B1 (en) 2021-11-17

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