EP1574809B1 - Dispositif de camouflage multispectral - Google Patents

Dispositif de camouflage multispectral Download PDF

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Publication number
EP1574809B1
EP1574809B1 EP05004782A EP05004782A EP1574809B1 EP 1574809 B1 EP1574809 B1 EP 1574809B1 EP 05004782 A EP05004782 A EP 05004782A EP 05004782 A EP05004782 A EP 05004782A EP 1574809 B1 EP1574809 B1 EP 1574809B1
Authority
EP
European Patent Office
Prior art keywords
means according
camouflage means
multispectral camouflage
layer
multispectral
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.)
Active
Application number
EP05004782A
Other languages
German (de)
English (en)
Other versions
EP1574809A1 (fr
Inventor
Michael Ernst
Dieter Girlich
Dieter Clement
Alexander Hoffmann
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 Landsysteme GmbH
Original Assignee
Rheinmetall Landsysteme GmbH
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Publication date
Application filed by Rheinmetall Landsysteme GmbH filed Critical Rheinmetall Landsysteme GmbH
Priority to PL05004782T priority Critical patent/PL1574809T3/pl
Publication of EP1574809A1 publication Critical patent/EP1574809A1/fr
Application granted granted Critical
Publication of EP1574809B1 publication Critical patent/EP1574809B1/fr
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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
    • F41H3/00—Camouflage, i.e. means or methods for concealment or disguise
    • 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

Definitions

  • Camouflage has a high priority especially for military objects. This camouflage may affect visibility or recognizability in multiple radiation spectra, noises, and other aspects.
  • the invention relates to multi-spectral camouflage, in particular for military mobile device, such as the camouflage of an armored vehicle, which consists of the usual parts such as drive motor, gearboxes, wheelsets or chain drive, a crew room and a housing, all inputs and Attachments, composites, and / or fixed installations.
  • Known embodiments provide, for example, to make a vehicle as small as possible, inter alia, to achieve a high camouflage capability.
  • This effort has a limit when the vehicle is to be manned, since an operator requires a certain amount of space in a vehicle according to his height and intended activity in the vehicle and an unmanned vehicle is not a generally applicable solution to the problem. Therefore, a manned vehicle always has a minimum volume and geometric size.
  • even a smaller object in certain spectra is easy to locate today, so that littleness alone no longer protects in general.
  • An infrared warning as another example must be designed so that a vehicle as a heat body shows little or no difference to the surrounding heat radiation. This has been tried so far by constructive measures or by passive Rajtarnstoff to achieve.
  • a favorable arrangement of the components of a vehicle in the vehicle can have an effective camouflage effect, for example, when infrared camouflage heat-contaminated gases produced as exhaust gases of an internal combustion engine or as cooling exhaust of a process to be cooled, mixed with fresh air before delivery to the ambient air and this Exhaust gases are then released at the bottom and rear of the vehicle to the environment and also generally hot spots outside the vehicle with a high temperature gradient to the environment are completely avoided.
  • the tarpaulin includes a thermal protector and temperature control to keep the temperature of the tarpaulin in equilibrium with the ambient temperature.
  • the object of the invention is to show a further camouflage element that meets a controlled adaptation to the current environment in the thermal infrared.
  • the camouflage means is intended in particular for all military platforms and installations, such as military and / or mobile equipment and / or a fixed installation whose signature is controlled by active measures in the thermal infrared range (2 to 15 microns wavelength).
  • the signature in the other spectral ranges is passively reduced.
  • the solution consists of a camouflage agent, which has as its base a purged core area with thermally coupled outer skin whose thermodynamic temperature is forcibly adjusted by heating and / or cooling.
  • the adaptation is done by a suitable control.
  • the advantages of the invention are that there is no contradiction between optimal matching in the thermal infrared range and the high frequency radar range.
  • the visible spectral range as well as the near infrared range are also covered well compatible with the other spectral ranges with regard to optimal camouflage.
  • FIG. 1 The metal foam 1 is enclosed between two carrier layers 2, 3, wherein the here vehicle or device-side carrier 2 and the outer carrier 3 are made of metal.
  • FIG. 2 shows a camouflage means, which like Fig. 1 is constructed, but wherein an external support 4 consists of a dielectric (eg ceramic), which is radar-transparent and absorbs incident high-frequency radar radiation through the open-cell metal foam 1 and / or diffuses diffuse.
  • a dielectric eg ceramic
  • FIG. 3 shows the camouflage agent with an open-cell metal foam 1 and with an external support 3.
  • the vehicle or device-side support 5 is identical to the actual vehicle or equipment armor.
  • FIG. 4 shows a camouflage element in plan view, wherein the upper, outer support is not shown.
  • the gaseous heat carrier is passed through an inlet 6 in the camouflage element. It flows through the open-cell metal foam 1 as a heat exchanger and is discharged through an outlet 7 again. So that the heat exchanger is flushed through as homogeneously as possible, in the region of the inlet 6a and the outlet 7a, the layer structure without the open-pore metal foam is designed to act as a channel for the gaseous heat carrier.
  • the multispectral camouflage agent according to the invention based on a heat exchanger controlled in its temperature, is characterized in that the heat carrier is gaseous (eg air) and that the heat exchanger simultaneously contains signature carriers in the spectral ranges visible light (VIS), near infrared (NIR) and thermal infrared ( TIR) is. Furthermore, the reflection of high-frequency radar radiation is additionally reduced in a broadband manner by the same element.
  • the heat carrier is gaseous (eg air) and that the heat exchanger simultaneously contains signature carriers in the spectral ranges visible light (VIS), near infrared (NIR) and thermal infrared ( TIR) is.
  • VIS visible light
  • NIR near infrared
  • TIR thermal infrared
  • the solid carrier material typically be the original outer wall and the functional layers / layers are thermally conductively connected to one another by suitable methods (eg gluing).
  • the layer construction is made as described, however, the uppermost (visible) layer of high-hardness PzStahl is made in order to achieve an increased ballistic protection effect.
  • the top (visible) layer is not made of metal, but of a non-conductive material (dielectric) is formed, a broadband absorption and / or scattering of high-frequency radar radiation is achieved by the open-cell metal foam.
  • This radar-transparent layer may also consist of ceramic and thus additionally represent a ballistic protection.
  • the thermal decoupling of the layer towards the original outer wall can be enhanced by using a heat insulator under the heat exchanger.
  • the heat insulator can also be formed as a sufficiently sized layer of air.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Laminated Bodies (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Greenhouses (AREA)
  • Toys (AREA)
  • Air Bags (AREA)

Claims (11)

  1. Moyen de furtivité multispectral basé sur un échangeur de chaleur à température contrôlée, l'échangeur de chaleur étant gazeux, l'échangeur de chaleur servant simultanément dans les plages spectrales de la lumière visible (VIS), de l'infrarouge proche (NIR) et de l'infrarouge thermique (TIR), une partie d'âme balayée à peau extérieure couplée thermiquement lui servant de base, caractérisé en ce que
    la partie d'âme est formée par au moins une couche de mousse métallique (1) pores ouverts.
  2. Moyen de furtivité multispectral selon la revendication 1, caractérisé en ce que la mousse métallique (1) à pores ouverts possède une taille de bulles typique, mais non exclusive, de 6 à 10 bpi et une épaisseur typique, mais non exclusive, de 15 à 25 mm.
  3. Moyen de furtivité multispectral selon les revendications 1 ou 2, caractérisé en ce qu'il est formé d'une structure stratifiée qui commence du côté intérieur par un matériau de support (2, 5) fixe, suivi par au moins une couche de mousse métallique (1) à pores ouverts avec par dessus un autre support fixe (3, 4) qui sert de couche supérieure visible.
  4. Moyen de furtivité multispectral selon la revendication 1, caractérisé en ce qu'il réduit de plus sur une large bande la réflexion du rayonnement radar à haute fréquence.
  5. Moyen de furtivité multispectral selon la revendication 4, caractérisé en ce que la réduction s'effectue par absorption et réémission diffuse.
  6. Moyen de furtivité multispectral selon la revendication 3, caractérisé en ce que le matériau intérieur de support (2, 5) est la paroi extérieure initiale d'un véhicule, d'un appareil ou d'une installation.
  7. Moyen de furtivité multispectral selon l'une des revendications 1 à 6 qui précèdent, caractérisé en ce que les couches fonctionnelles sont reliées les unes aux autres de manière thermiquement conductrice par des procédés appropriés, par exemple le collage.
  8. Moyen de furtivité multispectral selon l'une des revendications 1 à 7, caractérisé en ce que la couche supérieure visible (3) est constituée d'acier Pz à haute dureté qui offre un meilleur effet de protection balistique.
  9. Moyen de furtivité multispectral selon l'une des revendications 1 à 7, caractérisé en ce que la couche supérieure visible (3) n'est pas réalisée en métal mais en un matériau (4) non conducteur transparent au radar.
  10. Moyen de furtivité multispectral selon la revendication 9, caractérisé en ce que la couche (4) transparente au radar est constituée de céramique et forme ainsi en supplément une protection balistique.
  11. Véhicule ou support doté d'un moyen de furtivité multispectral selon l'une des revendications 1 à 5 et 7 à 10, caractérisé en ce que le découplage thermique entre le véhicule et le support est renforcé par recours à un isolateur thermique situé en dessous de l'échangeur de chaleur, l'isolateur thermique pouvant également être configuré comme couche d'air de dimensions suffisantes.
EP05004782A 2004-03-12 2005-03-04 Dispositif de camouflage multispectral Active EP1574809B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05004782T PL1574809T3 (pl) 2004-03-12 2005-03-04 Multispektralny środek maskujący

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004012563 2004-03-12
DE102004012563A DE102004012563A1 (de) 2004-03-12 2004-03-12 Multispektrales Tarnmittel

Publications (2)

Publication Number Publication Date
EP1574809A1 EP1574809A1 (fr) 2005-09-14
EP1574809B1 true EP1574809B1 (fr) 2010-12-29

Family

ID=34813700

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05004782A Active EP1574809B1 (fr) 2004-03-12 2005-03-04 Dispositif de camouflage multispectral

Country Status (5)

Country Link
EP (1) EP1574809B1 (fr)
AT (1) ATE493625T1 (fr)
DE (2) DE102004012563A1 (fr)
ES (1) ES2357840T3 (fr)
PL (1) PL1574809T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11987355B2 (en) 2021-06-09 2024-05-21 Raytheon Company Method and flexible apparatus permitting advanced radar signal processing, tracking, and classification/identification design and evaluation using single unmanned air surveillance (UAS) device

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006059955B4 (de) * 2006-12-19 2008-12-04 Diehl Bgt Defence Gmbh & Co. Kg Strahlungsfilter
CH701372A2 (de) 2009-06-30 2010-12-31 Ssz Camouflage Technology Ag Adaptive Tarnung.
DE102013107364B4 (de) * 2013-07-11 2015-01-22 Krauss-Maffei Wegmann Gmbh & Co. Kg Laserpanzerung
DE102013107365C5 (de) * 2013-07-11 2021-03-25 Krauss-Maffei Wegmann Gmbh & Co. Kg Laserpanzerung
DE102015220797A1 (de) * 2015-10-23 2017-04-27 Bayerische Motoren Werke Aktiengesellschaft Kühleinrichtung für ein Kraftfahrzeug
DE102019108741A1 (de) * 2019-04-03 2020-10-08 Dieter Girlich Rauschunterdrückungsvorrichtung für elektromagnetische Messsysteme, Radarmesssysteme und Verwendung desselben

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
DE2750919C1 (de) * 1977-11-15 1984-03-01 Pusch, Günter, Dr.-Ing., 6903 Neckargemünd Breitbandige Tarnung militaerischer Ziele
DE3148429C2 (de) * 1981-12-08 1986-07-24 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn IR-Tarnvorrichtung für Luftfahrzeuge
US6098402A (en) * 1989-02-10 2000-08-08 Sawruk; Stephen D. Infra-red stealth masking device (IRSMD)
US5080165A (en) * 1989-08-08 1992-01-14 Grumman Aerospace Corporation Protective tarpaulin
DE4025540A1 (de) * 1990-08-11 1992-02-13 Porsche Ag Schutzeinrichtung zum vermindern einer ir-abstrahlung fuer ein gepanzertes transport-kraftfahrzeug
FR2776705B1 (fr) * 1998-03-26 2000-05-12 Giat Ind Sa Dispositif de dilution uniforme des gaz d'echappement d'un vehicule militaire
FR2841594B1 (fr) * 2002-06-28 2006-12-15 Giat Ind Sa Dispositif de reduction de la signature visible et infrarouge d'un vehicule militaire

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11987355B2 (en) 2021-06-09 2024-05-21 Raytheon Company Method and flexible apparatus permitting advanced radar signal processing, tracking, and classification/identification design and evaluation using single unmanned air surveillance (UAS) device

Also Published As

Publication number Publication date
ATE493625T1 (de) 2011-01-15
ES2357840T3 (es) 2011-05-03
DE502005010734D1 (de) 2011-02-10
DE102004012563A1 (de) 2005-11-10
PL1574809T3 (pl) 2011-05-31
EP1574809A1 (fr) 2005-09-14

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