EP1746379A1 - Reaktive Panzeranordnung mit verbesserter Wirksamkeit - Google Patents

Reaktive Panzeranordnung mit verbesserter Wirksamkeit Download PDF

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Publication number
EP1746379A1
EP1746379A1 EP06291138A EP06291138A EP1746379A1 EP 1746379 A1 EP1746379 A1 EP 1746379A1 EP 06291138 A EP06291138 A EP 06291138A EP 06291138 A EP06291138 A EP 06291138A EP 1746379 A1 EP1746379 A1 EP 1746379A1
Authority
EP
European Patent Office
Prior art keywords
plates
reactive
explosive
housing
front wall
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
EP06291138A
Other languages
English (en)
French (fr)
Other versions
EP1746379B1 (de
Inventor
Roland Fedou
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.)
Nexter Munitions SA
Original Assignee
Giat Industries SA
Nexter Munitions SA
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 Giat Industries SA, Nexter Munitions SA filed Critical Giat Industries SA
Publication of EP1746379A1 publication Critical patent/EP1746379A1/de
Application granted granted Critical
Publication of EP1746379B1 publication Critical patent/EP1746379B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41HARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00Armour; Armour plates
    • F41H5/007Reactive armour; Dynamic armour
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41HARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00Armour; Armour plates
    • F41H5/02Plate construction
    • F41H5/04Plate construction composed of more than one layer
    • F41H5/0442Layered armour containing metal

Definitions

  • the technical field of the invention is that of reactive shielding.
  • Reactive armor is well known to a person skilled in the art, for example by the patent EP161390 . They use at least one explosive sheet which is arranged in contact with a metal plate or between two metal plates, the whole being placed in a housing which is attached to a vehicle.
  • the known reactive shields are effective against hollow charge projectiles but their effectiveness against kinetic energy projectiles (or arrow projectiles) is less.
  • the subject of the invention is a reactive shielding comprising at least one metal plate disposed in a housing comprising a front wall intended to be traversed by a projectile, a metal plate that can be projected as a result of the initiation of at least one sheet explosive applied to the plate, reactive shielding which is characterized in that it comprises at least two projectable metal plates, the explosive sheets carried by the plates being all connected to an initiation device which is secured to the wall end.
  • the initiation device may advantageously comprise at least one layer of explosive integral with the front wall and connected to the different sheets by explosive transmission means.
  • the initiation device may comprise at least one explosive layer integral with a side wall of the housing.
  • the projectable plates may be substantially parallel to each other.
  • the plates can be separated from each other by the same distance.
  • the shielding may comprise at least three parallel plates.
  • the plates may form an angle with respect to a direction which is intended to be positioned substantially horizontally.
  • the plates may be arranged to be projected towards a lower part of the housing or, alternatively, arranged to be projected towards an upper part of the housing.
  • a reactive shield 1 according to the invention comprises a housing 2 having a front wall 3.
  • the housing 2 is intended to be fixed to an outer wall 4 of a vehicle (not shown). Fixing will be done using appropriate means such as tabs or flanges that are not shown here.
  • the housing 2 contains several reactive modules 5 (here five modules: 5a, 5b, 5c, 5d and 5e).
  • Each reactive module comprises a single metal plate 6 on which a sheet is applied 7. In a conventional manner each sheet 7 is glued to the plate 6 considered.
  • the metal plates 6 are disposed in an inclined orientation with respect to a direction ⁇ which is the direction of arrival of the threat (projectile) that seeks to counter the shielding.
  • This direction is substantially horizontal.
  • each plate 6 forms an angle ⁇ with respect to the direction ⁇ which is here perpendicular to the wall 3. This angle ⁇ is between 5 ° and 45 °).
  • All the plates 6 are parallel to each other and they are separated by a distance d which is a function of the threat and the definition of the reactive modules 5. This distance may be between 20 mm and 150 mm.
  • the plates are fixed to the casing 2 by appropriate means, for example here by welded brackets 8.
  • the various explosive sheets 7 are connected to an initiation device which is integral with the front wall 3.
  • This initiation device here comprises an explosive layer 9 which is bonded to the front wall 3 and which is connected to the different sheets 7 by explosive transmission means, for example glued relay explosive tongues 10.
  • the explosives constituting the sheets 7, the layer 9 and the relay tongues 10 may be different depending on the desired characteristics (speed of detonation, sensitivity).
  • the front wall 3 does not play a role of shielding here. It can therefore be a thin steel sheet or be made of a lightweight material such as an aluminum alloy.
  • the plates 6 are made of metal material, for example shielded steel.
  • the reactive shield according to the invention will preferably be arranged such that the direction ⁇ is substantially horizontal.
  • the explosive sheets 7 will be placed above the plates 6.
  • the plates 6 will be projected downwards (B) during the initiation of the shielding.
  • Figure 1 shows the orientation of the shield 1 by the letters H (High) and B (Bottom).
  • FIG. 3a shows the shielding 1 at the moment of the impact of an arrow projectile 11 on the front wall 3.
  • the detonation velocities in explosive materials are in the range of 6000 to 8000 m / s.
  • the explosive layer 9 transmitted the detonation to all the tongues 10 (FIG. 3c).
  • the latter virtually simultaneously initiate the explosive sheets 7 which ensure the projection of all the plates 6 ( Figure 3d).
  • Each plate is projected with a speed Vp of the order of a few hundred meters per second.
  • the projectile 11 While the projectile 11 continues its progression through the shielding housing, it receives the impacts of several plates that reach successively and with an incidence of the order of angle ⁇ .
  • the skilled person will easily parameter the shield according to the invention according to the characteristics of the projectile he seeks to counter. He will be able to play on the number of reactive modules 5, on the value of the angle ⁇ as well as on the distances d between each module 5.
  • the effectiveness of the shielding according to the invention is all the greater as the impact of the projectile intervenes in the lower part. Indeed, the lower the impact, the more the number of plates impacting the projectile is important.
  • shielding according to the invention comprising a too large number of modules. It will be preferable to juxtapose several shields according to the invention each comprising 3 to 6 modules.
  • the reactive shielding has been described with a front wall 3 vertical and perpendicular to the direction ⁇ input of the threat 11. It is of course possible to provide a front wall inclined relative to the direction ⁇ .
  • the shielding When integrating a shield in a vehicle, the shielding should be oriented so that the reactive modules are inclined with respect to the driving direction ⁇ (in principle horizontal). It is therefore quite possible to define a reactive shield in which the reactive modules 5 will be perpendicular to the front wall 3 of the housing. It will be sufficient in this case to incline during assembly the housing (and therefore the modules) relative to a horizontal plane.
  • an initiation device comprising at least one explosive layer which is integral with a side wall of the housing.
  • This layer will be provided in addition to the integral layer of the front wall and will be connected thereto (and the reactive modules) by pyrotechnic transmission means.
  • Such a variant will counter a threat arriving on the armor in a direction that does not cut the front wall.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Inorganic Insulating Materials (AREA)
  • Insulators (AREA)
  • Organic Insulating Materials (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Artificial Fish Reefs (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Glass Compositions (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Sealing Material Composition (AREA)
EP06291138A 2005-07-19 2006-07-12 Reaktive Panzeranordnung mit verbesserter Wirksamkeit Active EP1746379B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0507737A FR2888922B1 (fr) 2005-07-19 2005-07-19 Blindage reactif a efficacite amelioree

Publications (2)

Publication Number Publication Date
EP1746379A1 true EP1746379A1 (de) 2007-01-24
EP1746379B1 EP1746379B1 (de) 2010-03-17

Family

ID=36147615

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06291138A Active EP1746379B1 (de) 2005-07-19 2006-07-12 Reaktive Panzeranordnung mit verbesserter Wirksamkeit

Country Status (6)

Country Link
EP (1) EP1746379B1 (de)
AT (1) ATE461414T1 (de)
DE (1) DE602006012903D1 (de)
DK (1) DK1746379T3 (de)
FR (1) FR2888922B1 (de)
IL (1) IL176947A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2045566A3 (de) * 2007-10-07 2011-03-23 Plasan Sasa Ltd. Panzerschutzmodul und Panzerplattenanordnung darin
EP2975198A1 (de) 2014-07-17 2016-01-20 A. Aalbers Holding B. V. Explosion- und kugelsichere wandkonstruktion
US9346427B2 (en) 2012-06-06 2016-05-24 Tencate Advanced Armor Usa, Inc. Active countermeasures systems and methods

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0161390A1 (de) 1984-02-09 1985-11-21 The State Of Israel Ministry Of Defence Rafael Armament Development Authority Elemente für eine zusätzliche Aktivpanzerung für Landfahrzeuge
EP0379080A2 (de) * 1989-01-18 1990-07-25 The State Of Israel Ministry Of Defence Rafael Armament Development Authority Kombinierte reaktive und passive Panzerung
DE4226897C1 (de) * 1992-08-14 1998-01-08 Daimler Benz Aerospace Ag Aktive Schutzvorrichtung
US5824941A (en) 1988-04-09 1998-10-20 Diehl Stiftung & Co. Arrangement for protection from projectiles
DE3624179B3 (de) * 1986-07-17 2004-04-15 Deisenroth, Friedrich-Ulf, Dipl.-Ing. Reaktive Schutzanordnung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0161390A1 (de) 1984-02-09 1985-11-21 The State Of Israel Ministry Of Defence Rafael Armament Development Authority Elemente für eine zusätzliche Aktivpanzerung für Landfahrzeuge
DE3624179B3 (de) * 1986-07-17 2004-04-15 Deisenroth, Friedrich-Ulf, Dipl.-Ing. Reaktive Schutzanordnung
US5824941A (en) 1988-04-09 1998-10-20 Diehl Stiftung & Co. Arrangement for protection from projectiles
EP0379080A2 (de) * 1989-01-18 1990-07-25 The State Of Israel Ministry Of Defence Rafael Armament Development Authority Kombinierte reaktive und passive Panzerung
DE4226897C1 (de) * 1992-08-14 1998-01-08 Daimler Benz Aerospace Ag Aktive Schutzvorrichtung

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2045566A3 (de) * 2007-10-07 2011-03-23 Plasan Sasa Ltd. Panzerschutzmodul und Panzerplattenanordnung darin
US8091465B2 (en) 2007-10-07 2012-01-10 Plasan Sasa Ltd. Armor module and an armor array used therein
US9346427B2 (en) 2012-06-06 2016-05-24 Tencate Advanced Armor Usa, Inc. Active countermeasures systems and methods
EP2975198A1 (de) 2014-07-17 2016-01-20 A. Aalbers Holding B. V. Explosion- und kugelsichere wandkonstruktion

Also Published As

Publication number Publication date
FR2888922A1 (fr) 2007-01-26
DK1746379T3 (da) 2010-06-21
IL176947A0 (en) 2006-12-10
FR2888922B1 (fr) 2010-11-12
EP1746379B1 (de) 2010-03-17
IL176947A (en) 2012-05-31
DE602006012903D1 (de) 2010-04-29
ATE461414T1 (de) 2010-04-15

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