WO2011134595A1 - Method and device for producing a viewing window in an artificial smokescreen - Google Patents

Method and device for producing a viewing window in an artificial smokescreen Download PDF

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Publication number
WO2011134595A1
WO2011134595A1 PCT/EP2011/001749 EP2011001749W WO2011134595A1 WO 2011134595 A1 WO2011134595 A1 WO 2011134595A1 EP 2011001749 W EP2011001749 W EP 2011001749W WO 2011134595 A1 WO2011134595 A1 WO 2011134595A1
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WO
WIPO (PCT)
Prior art keywords
fog
producing
combustible material
smokescreen
artificial
Prior art date
Application number
PCT/EP2011/001749
Other languages
German (de)
French (fr)
Inventor
Dirk Cegiel
Michael Gowin
Klaus Möller
Eric Ten Have
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 WO2011134595A1 publication Critical patent/WO2011134595A1/en

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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
    • F41H13/00—Means of attack or defence not otherwise provided for
    • F41H13/0043—Directed energy weapons, i.e. devices that direct a beam of high energy content toward a target for incapacitating or destroying the target
    • F41H13/005—Directed energy weapons, i.e. devices that direct a beam of high energy content toward a target for incapacitating or destroying the target the high-energy beam being a laser beam

Definitions

  • the invention relates to a method for producing a viewing window in an artificial camouflage fog.
  • the invention further relates to a fog grenade and an apparatus for carrying out the method.
  • the fog-generating material consists of particles which form a transparent cloud without additional measures.
  • the cloud is irradiated with laser light, the particles either emit light or the laser light is diffusely reflected, so that fog formation occurs.
  • the camouflage nebula is e.g. irradiated by a pulsed laser, the pulse frequency is chosen so high that the opponent practically constantly sees a glowing camouflage nebula.
  • the corresponding observation device is switched off during the irradiation by means of a control device and a shutter, so that radiation can only be received during the irradiation gaps.
  • the invention has for its object to provide a comparison with known methods more cost-effective method for generating a viewing window by an artificial Tarnnebel.
  • the object is achieved with regard to the method by the features of claim 1.
  • An associated fog grenade is solved by the features of claim 4 and as well as device is solved by the features of claim 6. Further, particularly advantageous embodiments of the invention disclose the dependent claims.
  • the invention is essentially based on the idea of adding a (non-detonatively) flammable material to a fog-producing material known per se, which material is ignited after the camouflage mist has been ejected by a focused laser beam and burns locally.
  • the Tarnnebel is neutralized, and the laser beam cuts through virtually through the Tarnnebel through, so that a defined window is created in the Tarnnebel through which the user of the Tarnnebel can see through, so that a dissolution of the mist takes place only locally and the areal protective effect of the fog remains intact.
  • the focusing of the laser light is preferably to be selected such that its cross-section substantially corresponds to the lateral dimensions of the viewing window to be generated and otherwise the protective effect of the camouflage nebula is maintained.
  • the chemical properties of the combustible material which may be, for example, magnesium powder, are to be interpreted so that the material is flammable by a laser, but not explosive or detonative acts, so safe uncontrolled burning of the combustible material within the artificial camouflage nebula is avoided.
  • the combustible material is added to the fog-producing material prior to the application of the artificial Tarnnebel, so that, for example, in the case of a fog grenade this contains a mixture of the fog-producing and the combustible material.
  • the combustible material can be added to the fog-producing material only after the application of the artificial camouflage mist by a separate dispensing mechanism.
  • the combustible material is transported by means of a projectile which is disintegrating in the camouflage mist, so that an aerosol cloud consisting of the particles of the combustible material forms within the camouflage nebula.
  • 1 denotes an armored vehicle.
  • the commander of the vehicle 1 has fired a smoke grenade with the aid of a firing device 2, so that a smoke screen 3 has formed between the vehicle 1 and an enemy target, not shown.
  • a (non-detonative) combustible material for example a magnesium powder
  • the fog-generating material in the grenade which material is distributed during formation of the smoke screen 3 (the corresponding particles of the combustible material are designated 4 in the FIGURE).
  • the combustible material 4 is ignited by a focused laser beam 6, so that this material 4 burns locally.
  • the Tarnnebel 3 is neutralized in this area, and the laser beam 6 intersects quasi through the fog wall 3 therethrough.
  • a defined viewing window is generated in the fog wall 3, through which the commander of the vehicle 1 can see through for a short time and can fight the corresponding target.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Engineering & Computer Science (AREA)
  • Powder Metallurgy (AREA)
  • Laser Surgery Devices (AREA)

Abstract

In order to specify a method for producing a viewing window in an artificial smokescreen at a lower cost than known methods, the invention proposes that a (non-detonating) combustible material (4) is added to the smoke-producing material. After the smokescreen (3) has been discharged, the combustible material is ignited by a focused laser beam (6) and burns locally. The smokescreen (3) is thereby neutralized, and the laser beam (6) practically cuts through the smokescreen (3) so that a defined viewing window is produced in the smokescreen (3). The user of the smokescreen (3) can see through the viewing window.

Description

BESCHREIBUNG  DESCRIPTION
Verfahren und Vorrichtung zur Erzeugung eines Sichtfensters in einem künstlichen Method and device for generating a viewing window in an artificial
Tarnnebel  smoke screen
Die Erfindung betrifft ein Verfahren zur Erzeugung eines Sichtfensters in einem künstlichen Tarnnebel. Die Erfindung bezieht sich ferner auf eine Nebelgranate und eine Vorrichtung zur Durchführung des Verfahrens. The invention relates to a method for producing a viewing window in an artificial camouflage fog. The invention further relates to a fog grenade and an apparatus for carrying out the method.
Ein derartiges Verfahren ist beispielsweise aus der DE 196 01 506 A1 bekannt. Dabei besteht das nebelerzeugende Material aus Partikeln, welche ohne zusätzliche Maßnahmen eine durchsichtige Wolke bilden. Wird die Wolke hingegen mit Laserlicht bestrahlt, so emittieren die Partikel entweder Licht oder das Laserlicht wird diffus reflektiert, sodass eine Nebelbildung eintritt. Damit der Verwender des bekannten Tarnnebels durch diesen hindurchsehen kann, wird der Tarnnebel z.B. mittels eines gepulsten Lasers bestrahlt, wobei die Impulsfrequenz so hoch gewählt wird, dass der Gegner praktisch ständig einen leuchtenden Tarnnebel sieht. Bei dem Verwender des künstlichen Tarnnebels hingegen wird mittels einer Steuervorrichtung und eines Verschlusses das entsprechende Beobachtungsgerät während der Bestrahlung ausgeschaltet, sodass Strahlung nur während der Bestrahlungslücken empfangen werden kann. Such a method is known for example from DE 196 01 506 A1. In this case, the fog-generating material consists of particles which form a transparent cloud without additional measures. On the other hand, if the cloud is irradiated with laser light, the particles either emit light or the laser light is diffusely reflected, so that fog formation occurs. In order for the user of the known camouflage nebula to be able to see through it, the camouflage nebula is e.g. irradiated by a pulsed laser, the pulse frequency is chosen so high that the opponent practically constantly sees a glowing camouflage nebula. By contrast, in the case of the user of the artificial camouflage nebula, the corresponding observation device is switched off during the irradiation by means of a control device and a shutter, so that radiation can only be received during the irradiation gaps.
Nachteilig bei diesem bekannten Verfahren ist vor allem, dass es sehr aufwendige Anre- gungs- und Detektionseinrichtungen sowie spezielles nebelerzeugendes Material erfordert, welches nur bei Bestrahlung mit elektromagnetischen Wellen undurchsichtig wird. The disadvantage of this known method is, above all, that it requires very elaborate excitation and detection devices as well as special fog-producing material, which becomes opaque only when irradiated with electromagnetic waves.
Der Erfindung liegt die Aufgabe zugrunde, ein gegenüber bekannten Verfahren kostengünstigeres Verfahren zur Erzeugung eines Sichtfensters durch einen künstlichen Tarnnebel anzugeben. Die Aufgabe wird hinsichtlich des Verfahrens durch die Merkmale des Anspruchs 1 gelöst. Eine damit verbundene Nebelgranate wird durch die Merkmale des Anspruchs 4 und sowie Vorrichtung wird durch die Merkmale des Anspruchs 6 gelöst. Weitere, besonders vorteilhafte Ausgestaltungen der Erfindung offenbaren die Unteransprüche. The invention has for its object to provide a comparison with known methods more cost-effective method for generating a viewing window by an artificial Tarnnebel. The object is achieved with regard to the method by the features of claim 1. An associated fog grenade is solved by the features of claim 4 and as well as device is solved by the features of claim 6. Further, particularly advantageous embodiments of the invention disclose the dependent claims.
Die Erfindung beruht im Wesentlichen auf dem Gedanken, einem an sich bekannten Nebel erzeugenden Material ein (nicht detonativ) brennbares Material beizumischen, welches nach dem Ausbringen des Tarnnebels durch einen fokussierten Laserstrahl entzündet wird und lokal verbrennt. Dadurch wird der Tarnnebel neutralisiert, und der Laserstrahl schneidet sich quasi durch den Tarnnebel hindurch, sodass ein definiertes Sichtfenster in dem Tarnnebel erzeugt wird, durch welches der Verwender des Tarnnebels hindurchsehen kann, sodass eine Auflösung des Nebels nur lokal erfolgt und die flächenmäßige Schutzwirkung des Nebels weiter erhalten bleibt. Daher ist die Fokussierung des Laserlichtes vorzugsweise derart zu wählen, dass sein Querschnitt im Wesentlichen den seitlichen Abmessungen des zu erzeugenden Sichtfensters entspricht und ansonsten die Schutzwirkung des Tarnnebels erhalten bleibt. The invention is essentially based on the idea of adding a (non-detonatively) flammable material to a fog-producing material known per se, which material is ignited after the camouflage mist has been ejected by a focused laser beam and burns locally. As a result, the Tarnnebel is neutralized, and the laser beam cuts through virtually through the Tarnnebel through, so that a defined window is created in the Tarnnebel through which the user of the Tarnnebel can see through, so that a dissolution of the mist takes place only locally and the areal protective effect of the fog remains intact. Therefore, the focusing of the laser light is preferably to be selected such that its cross-section substantially corresponds to the lateral dimensions of the viewing window to be generated and otherwise the protective effect of the camouflage nebula is maintained.
Die chemischen Eigenschaften des brennbaren Materials, bei dem es sich beispielsweise um Magnesiumpulver handeln kann, sind dabei so auszulegen, dass das Material durch einen Laser entzündbar ist, aber nicht explosiv oder detonativ wirkt, damit ein unkontrolliertes Abbrennen des brennbaren Materials innerhalb des künstlichen Tarnnebels sicher vermieden wird. The chemical properties of the combustible material, which may be, for example, magnesium powder, are to be interpreted so that the material is flammable by a laser, but not explosive or detonative acts, so safe uncontrolled burning of the combustible material within the artificial camouflage nebula is avoided.
Bei einer bevorzugten Ausführungsform der Erfindung wird das brennbare Material dem nebelerzeugenden Material vor dem Ausbringen des künstlichen Tarnnebels beigemischt, sodass beispielsweise im Falle einer Nebelgranate diese eine Mischung aus dem nebelerzeugenden und dem brennbaren Material enthält. In a preferred embodiment of the invention, the combustible material is added to the fog-producing material prior to the application of the artificial Tarnnebel, so that, for example, in the case of a fog grenade this contains a mixture of the fog-producing and the combustible material.
Das brennbare Material kann dem nebelerzeugenden Material aber auch erst nach dem Ausbringen des künstlichen Tarnnebels durch einen separaten Ausbringmechanismus beigemischt werden. In einem derartigen Fall wird beispielsweise nach Erzeugung des Tarnnebels das brennbare Material mittels eines sich in dem Tarnnebel zerlegenden Geschosses verbracht, sodass sich innerhalb des Tarnnebels eine aus den Partikeln des brennbaren Materials bestehende Aerosolwolke ausbildet. Weitere Einzelheiten und Vorteile der Erfindung ergeben sich aus dem folgenden, anhand einer Figur erläuterten Ausführungsbeispiel. However, the combustible material can be added to the fog-producing material only after the application of the artificial camouflage mist by a separate dispensing mechanism. In such a case, for example, after the camouflage mist has been produced, the combustible material is transported by means of a projectile which is disintegrating in the camouflage mist, so that an aerosol cloud consisting of the particles of the combustible material forms within the camouflage nebula. Further details and advantages of the invention will become apparent from the following, explained with reference to a figure embodiment.
In der Figur ist mit 1 ein gepanzertes Fahrzeug bezeichnet. Zur Tarnung hat der Kommandant des Fahrzeuges 1 mit Hilfe einer Abschußeinrichtung 2 eine Nebelgranate verschossen, sodass sich zwischen dem Fahrzeug 1 und einem nicht dargestellten gegnerischen Ziel eine Nebelwand 3 ausgebildet hat. In the figure, 1 denotes an armored vehicle. For camouflage, the commander of the vehicle 1 has fired a smoke grenade with the aid of a firing device 2, so that a smoke screen 3 has formed between the vehicle 1 and an enemy target, not shown.
Erfindungsgemäß war in der Granate dem nebelerzeugenden Material ein (nicht detonativ) brennbares Material (beispielsweise ein Magnesiumpulver) beigemischt, welches sich beim Ausbilden der Nebelwand 3 in dieser verteilt (die entsprechenden Partikel des brennbaren Materials sind in der Fig. mit 4 bezeichnet). According to the invention, a (non-detonative) combustible material (for example a magnesium powder) was admixed with the fog-generating material in the grenade, which material is distributed during formation of the smoke screen 3 (the corresponding particles of the combustible material are designated 4 in the FIGURE).
Mit Hilfe eines an dem Fahrzeug 1 angeordneten Leistungslasers 5 wird das brennbare Material 4 durch einen fokussierten Laserstrahl 6 entzündet, sodass dieses Material 4 lokal verbrennt. Der Tarnnebel 3 wird in diesem Bereich neutralisiert, und der Laserstrahl 6 schneidet sich quasi durch die Nebelwand 3 hindurch. Dadurch wird ein definiertes Sichtfenster in der Nebelwand 3 erzeugt, durch welches der Kommandant des Fahrzeuges 1 kurzzeitig hindurchsehen und das entsprechende Ziel bekämpfen kann. With the aid of a power laser 5 arranged on the vehicle 1, the combustible material 4 is ignited by a focused laser beam 6, so that this material 4 burns locally. The Tarnnebel 3 is neutralized in this area, and the laser beam 6 intersects quasi through the fog wall 3 therethrough. As a result, a defined viewing window is generated in the fog wall 3, through which the commander of the vehicle 1 can see through for a short time and can fight the corresponding target.
Bezugszeichenliste LIST OF REFERENCE NUMBERS
Fahrzeug vehicle
Abschußeinrichtung  launcher
Nebelwand, Tarnnebel (brennbares) Material, Partikel Laser, Leistungslaser Fog wall, camouflage (flammable) material, particle laser, power laser
Laserstrahl laser beam

Claims

PATENTANSPRÜCHE
1. Verfahren zur Erzeugung eines Sichtfensters in einem -mit Hilfe eines nebelerzeugenden Materials hergestellten- künstlichen Tarnnebel (3), dadurch gekennzeichnet, dass dem nebelerzeugenden Material ein durch Laserstrahlen (6) entzündbares, brennbares Material (4) beigemischt wird, und dass nach dem Ausbringen des künstlichen Tarnnebels (3) das brennbare Material (4) durch einen fokussierten Laserstrahl (6) entzündet wird, dessen Querschnitt im Wesentlichen den seitlichen Abmessungen des zu erzeugenden Sichtfensters entspricht. 1. A method for producing a viewing window in an-made with the aid of a fog-generating artificial camouflage mist (3), characterized in that the mist-generating material by a laser beams (6) flammable, combustible material (4) is admixed, and that after Spreading the artificial camouflage mist (3) the combustible material (4) is ignited by a focused laser beam (6) whose cross-section substantially corresponds to the lateral dimensions of the viewing window to be generated.
2. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, dass das brennbare Material (4) dem nebelerzeugenden Material vor dem Ausbringen des künstlichen Tarnnebels2. The method according to claim 1, characterized in that the combustible material (4) the fog-producing material before the application of the artificial camouflage nebulas
(3) beigemischt wird. (3) is added.
3. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, dass das brennbare Material3. The method according to claim 1, characterized in that the combustible material
(4) dem nebelerzeugenden Material erst nach dem Ausbringen des künstlichen Tarnnebels (3) durch einen separaten Ausbringmechanismus beigemischt wird. (4) is added to the fog-producing material only after the application of the artificial camouflage mist (3) by a separate dispensing mechanism.
4. Nebelgranate mit einem nebelerzeugenden Material zur Durchführung des Verfahrens nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass dem nebelerzeugenden Material ein durch Laserlicht entzündbares Material beigemischt ist. 4. fog grenade with a fog-generating material for carrying out the method according to claim 1 or 2, characterized in that the fog-producing material is mixed with a flammable material by laser light.
5. Nebelgranate nach Anspruch 4, dadurch gekennzeichnet, dass es sich bei dem brennbaren Material um Magnesiumpulver handelt. 5. Fog grenade according to claim 4, characterized in that it is the combustible material is magnesium powder.
6. Vorrichtung zur Durchführung des Verfahrens nach Anspruch 1 oder 2, mit den Merkmalen: 6. Apparatus for carrying out the method according to claim 1 or 2, having the features:
a) die Vorrichtung umfasst eine Abschußeinrichtung (2) zum Verschießen von Nebelgranaten, bei denen dem nebelerzeugenden Material ein durch Laserlicht entzündbares, brennbares Material (4) beigemischt ist, sowie  a) the device comprises a launcher (2) for firing fog grenades, in which the fog-generating material is mixed by a flammable laser light, combustible material (4), as well as
b) einen Laser (5) zum Bestrahlen des das brennbare Material (4) enthaltenden Tarnnebels.  b) a laser (5) for irradiating the camouflage nebulizer containing the combustible material (4).
PCT/EP2011/001749 2010-04-28 2011-04-08 Method and device for producing a viewing window in an artificial smokescreen WO2011134595A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010018642.2 2010-04-28
DE102010018642.2A DE102010018642B4 (en) 2010-04-28 2010-04-28 Method and device for producing a viewing window in an artificial camouflage fog

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WO2011134595A1 true WO2011134595A1 (en) 2011-11-03

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110080871A (en) * 2019-04-10 2019-08-02 淮安信息职业技术学院 A kind of automobile exhaust systems and its operating method for removing function with mist
US10415941B2 (en) * 2016-08-11 2019-09-17 The Boeing Company System for visual obscuration of an object and dissipating energy of a laser weapon

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2052626A (en) * 1933-06-05 1936-09-01 Massachusetts Inst Technology Method of dispelling fog
JPH02225707A (en) * 1989-02-27 1990-09-07 Kawasaki Heavy Ind Ltd Dispersing of fog on runway
WO1992014882A1 (en) * 1991-02-18 1992-09-03 Politzer Eugene Jim Process for dispersing fog, cutting ice and melting snow
DE19601506A1 (en) 1996-01-17 1997-07-24 Rheinmetall Ind Ag Visibility barrier generation
DE19959474A1 (en) * 1999-12-10 2001-08-23 Diehl Munitionssysteme Gmbh Eliminating military camouflage clutter in visible range, involves generating clutter using air humidity and applying fine distribution of dry ice to clutter
DE10150211C1 (en) * 2001-10-12 2003-04-17 Univ Berlin Freie Method for treating material at a great height from ground, directs filament towards sky after generation by automatic focusing and defocusing of a high-intensive laser beam

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO168669C (en) * 1989-05-10 1992-03-18 Raufoss As DEVICE ON SMOKE SCREEN SYSTEM

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2052626A (en) * 1933-06-05 1936-09-01 Massachusetts Inst Technology Method of dispelling fog
JPH02225707A (en) * 1989-02-27 1990-09-07 Kawasaki Heavy Ind Ltd Dispersing of fog on runway
WO1992014882A1 (en) * 1991-02-18 1992-09-03 Politzer Eugene Jim Process for dispersing fog, cutting ice and melting snow
DE19601506A1 (en) 1996-01-17 1997-07-24 Rheinmetall Ind Ag Visibility barrier generation
DE19959474A1 (en) * 1999-12-10 2001-08-23 Diehl Munitionssysteme Gmbh Eliminating military camouflage clutter in visible range, involves generating clutter using air humidity and applying fine distribution of dry ice to clutter
DE10150211C1 (en) * 2001-10-12 2003-04-17 Univ Berlin Freie Method for treating material at a great height from ground, directs filament towards sky after generation by automatic focusing and defocusing of a high-intensive laser beam

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10415941B2 (en) * 2016-08-11 2019-09-17 The Boeing Company System for visual obscuration of an object and dissipating energy of a laser weapon
CN110080871A (en) * 2019-04-10 2019-08-02 淮安信息职业技术学院 A kind of automobile exhaust systems and its operating method for removing function with mist

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DE102010018642A1 (en) 2011-11-03

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