EP1000312B1 - Munition für gegenmassnahmen - Google Patents

Munition für gegenmassnahmen Download PDF

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Publication number
EP1000312B1
EP1000312B1 EP99922246A EP99922246A EP1000312B1 EP 1000312 B1 EP1000312 B1 EP 1000312B1 EP 99922246 A EP99922246 A EP 99922246A EP 99922246 A EP99922246 A EP 99922246A EP 1000312 B1 EP1000312 B1 EP 1000312B1
Authority
EP
European Patent Office
Prior art keywords
hollow
charges
munition according
charge
hollow charges
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.)
Expired - Lifetime
Application number
EP99922246A
Other languages
English (en)
French (fr)
Other versions
EP1000312A1 (de
Inventor
Joel Thomson-CSF-Propriété Intellectuelle FERRON
J.P. Thomson-CSF Propriété Intellectuelle GUILLON
C. Thomson-CSF Propriété Intellectuelle PERTHUIS
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.)
TDA Armements SAS
Original Assignee
TDA Armements SAS
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Filing date
Publication date
Application filed by TDA Armements SAS filed Critical TDA Armements SAS
Publication of EP1000312A1 publication Critical patent/EP1000312A1/de
Application granted granted Critical
Publication of EP1000312B1 publication Critical patent/EP1000312B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G7/00—Mine-sweeping; Vessels characterised thereby
    • B63G7/02—Mine-sweeping means, Means for destroying mines
    • 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
    • F42B12/04—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type
    • F42B12/10—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type with shaped or hollow charge
    • 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
    • F42B12/04—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type
    • F42B12/10—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type with shaped or hollow charge
    • F42B12/16—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type with shaped or hollow charge in combination with an additional projectile or charge, acting successively on the target
    • F42B12/18—Hollow charges in tandem arrangement

Definitions

  • the invention relates to the field of countermeasures ammunition, in particular but not exclusively munitions intended for the destruction or neutralization of weapons containing very few explosives sensitive such as underwater mines.
  • Such ammunition can be torpedoes, underwater vehicles, guided or autonomous, ammunition installed directly by deminers or more generally demining systems.
  • SEAFOX An example of such a demining system is known as designation of SEAFOX.
  • This system consists of an underwater vehicle wire guide which will be placed near the mine. It carries a load hollow which by its capacity of perforation will, with its jet, cross the mine. This aggression is generally likely to render the mine inoperative. This is a first level of efficiency, but we know that mine hunters wish to see disappear the sonar echo of the mine, which means a burst into small pieces. Such an effect is obtained when the throw of the shaped charge has the capacity when it enters the load explosive from the mine, creating a shock with sufficient energy to cause the almost immediate detonation of it.
  • the invention relates to a counter ammunition measurement comprising a lethal system having an axis of attack, characterized in what it comprises at least three hollow charges including the longitudinal axes are concurrent and evenly distributed angularly around the axis of attack, each shaped charge being intended to produce a jet of shaped charge acting concomitantly in an area of a target, the area being defined by the intersection with the target of the cone containing the concurrent axes of shaped charges and centered on the axis of attack.
  • the invention also relates to a use of ammunition as an underwater vehicle for the destruction of submerged mines.
  • the ammunition is placed in attack position in front of a mooring mine 1.
  • Mooring mine 1 is kept immersed in water by a rope 2 attached to a toad or base 3.
  • a shell 4 often made of steel, constitutes the float of the mine and inside, a tank 5 contains the explosive charge 6.
  • the mine also includes detection means 7 connected to a setting device fire 8.
  • the ammunition which bears the reference 9 in the figure la consists a vehicle 10 and a lethal system in the form of a shaped charge comprising a coating 11, an explosive charge 12, a containment side 13, a safety and ignition system 14.
  • a dead volume 15 is generally necessary for the proper functioning of the shaped charge.
  • the ammunition 9 can operate the shaped charge without being in contact with the mine.
  • FIG. 1b The ignition of the hollow charge provokes in a diagrammatic manner in FIG. 1b, the explosion of the explosive charge 12 which transforms the coating 11 into a jet 16 animated with a speed of several km / s. This speed allows the jet to hydrodynamically pass through the steel walls of the shell 4 and of the tank 5 to reach the explosive charge 6.
  • the jet 16 by creating a crater in the explosive charge 6 of the mine 1 generates a shock wave which develops zone 17 under very strong pressure. If the pressure in zone 17 is high enough over a sufficient surface, the criterion V 2 d is satisfied and the explosive charge 6 is detonated which pulverizes the mine 1.
  • FIGS. 2a and 2b where the elements homologous to those of FIG.
  • the lethal system is composed of three hollow charges 18a, 18b, 18c evenly distributed around the axis of attack (OO ') of the lethal system.
  • These hollow charges are arranged in the directions of three planes at 120 ° and their longitudinal axes X'X, are concurrent forward at a point ⁇ of the axis OO 'whose adjustment is predetermined according to the distance d ammunition attack.
  • the three hollow charges are identical, they are constituted in a similar manner to that shown in FIG. 1a, of a coating 11, of an explosive charge 12, of a confinement 13 and of a system of simultaneous firing 19 of the three shaped charges.
  • the coating 11 is for example made of copper, but other types of material such as aluminum or synthetic products (teflon, etc.) or liquid products (water, etc.) are of interest for the application. It is important that the firing system 19 guarantees good simultaneous operation of the hollow charges to allow the effects sought by the invention as described.
  • the firing system 19 can be a known electronic device which simultaneously initiates three detonator primers with a projected layer 20.
  • Another embodiment can consist of a pyrotechnic distributor which, starting from a single detonator, goes simultaneously propagate the detonation towards the hollow charges.
  • Figure 2c shows after the explosion of the shaped charges 18a, 18b, 18c, the interaction of the jets 16 on the mine explosive.
  • Each of the jets develops around the crater it creates, a zone 17 of overpressure, the zone 17 being defined by the intersection with the target 14 of the cone containing the concurrent axes XX 'of the hollow charges and centered on the axis of attack 00 '.
  • the zones of overpressure by joining together confine each other and create a surface, subjected to a significant pressure, greater than the sum of the three individual surfaces.
  • FIGs 3a and 3b where elements homologous to those of Figures 2a and 2b are shown with the same references, represent a second embodiment of the lethal system according to the invention.
  • the shaped charges are placed one behind the other slightly offset in 3 planes 120 ° and their axes of revolution X'X are concurrent at a point ⁇ , located at the front of the system, the position of which is predetermined according to the ammunition attack conditions.
  • the ignition system 19 controls the initiator of the detonating primers with projected layers 20 of each shaped charge according to a chronology such as the heads of the jets, preferably constant velocity, simultaneously attacks the explosive charge of the mine.
  • the firing systems 19 of each of the shaped charges can be advantageously replaced by a unique firing system produced in the form of the synchronous pyrotechnic distributor shown in Figures 4a and 4b.
  • This comprises an input pyrotechnic relay 21 which is put in communication with each of the explosive charges by relay 22 through conduits 23.
  • relay 21 is initialized by a primer, the detonation produced propagates through a pyrotechnic network formed by the conduits 23 into which is injected by example an explosive with thermosetting binder.
  • These have a length which is determined to maintain a symmetry of the paths of the detonation waves and result in a simultaneous emergence of the detonation at relay output 22.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Air Bags (AREA)

Claims (12)

  1. Gegenmaßnahmen-Munition, die ein Letalsystem umfaßt, das aus mehreren Hohlladungen aufgebaut ist, die um eine Angriffsachse (00') verteilt sind, wobei die Hohlladungen (18a, 18b, 18c) durch denselben Punkt gehende Längsachsen (XX') besitzen, wobei jede Hohlladung dazu bestimmt ist, einen Hohlladungsstrahl (16) zu erzeugen, der in einer Zone (17) eines Ziels (14) zusammen mit den anderen Hohlladungen gemeinsam wirkt, dadurch gekennzeichnet, daß
    die Längsachsen (XX') in Winkelrichtung um die Angriffsachse (00') gleich verteilt sind,
    die Hohlladungen (18a, 18b, 18c) wenigstens in der Anzahl drei vorhanden sind, wobei die Zone (17) durch den Schnittpunkt des Kegels, der die durch denselben Punkt gehenden Achsen (XX') der Hohlladungen enthält und auf die Angriffsachse (00') zentriert ist, mit dem Ziel (14) definiert ist.
  2. Munition nach Anspruch 1, dadurch gekennzeichnet, daß das Letalsystem eine ganze Zahl N von Paketen aus wenigstens drei Hohlladungen (18a, 18b, 18c) umfaßt, um N Angriffszonen des Ziels (14) zu bilden.
  3. Munition nach Anspruch 1, dadurch gekennzeichnet, daß die Hohlladungen (18a, 18b, 18c) in der Anzahl drei vorhanden sind und in den Richtungen dreier Ebenen unter 120° angeordnet sind.
  4. Munition nach Anspruch 1, dadurch gekennzeichnet, daß die Hohlladungen (18a, 18b, 18c) hintereinander und leicht versetzt angeordnet sind.
  5. Munition nach Anspruch 2, dadurch gekennzeichnet, daß die Pakete hintereinander und leicht versetzt angeordnet sind.
  6. Munition nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Zünden (19) der Hohlladungen (18a, 18b, 18c) durch eine synchrone Vorrichtung gewährleistet ist, die eine Detonator-Initialzünder mit durch eine Hohlladung herausgeschleuderter Schicht enthält.
  7. Munition nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das Zünden (19) der Hohlladungen (18a, 18b, 18c) durch einen pyrotechnischen Verteiler (21, 22, 23) gewährleistet ist, der durch einen einzigen Initialzünder gezündet wird.
  8. Munition nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das Zünden der Hohlladungen (18a, 18b, 18c) durch eine pyrotechnische Vorrichtung (19) gewährleistet ist, die eine zeitliche Abfolge gewährleistet, die die Bahnabstände der Strahlen kompensiert.
  9. Munition nach den Ansprüchen 1 bis 8, dadurch gekennzeichnet, daß die Hohlladungen einen Überzug (11) aus Metall, aus Kunststoff oder aus einer Flüssigkeit besitzen.
  10. Munition nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß sie eine zusätzliche Hohlladung umfaßt, die vor dem Letalsystem angeordnet ist.
  11. Munition nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß sie eine Sprengladung umfaßt, die vor dem Letalsystem angeordnet ist.
  12. Verwendung der Munition nach einem der Ansprüche 1 bis 11 als Unterwasserfahrzeug für die Zerstörung von Minen.
EP99922246A 1998-06-09 1999-06-01 Munition für gegenmassnahmen Expired - Lifetime EP1000312B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9807241A FR2779514B1 (fr) 1998-06-09 1998-06-09 Munition de contre mesure
FR9807241 1998-06-09
PCT/FR1999/001283 WO1999064812A1 (fr) 1998-06-09 1999-06-01 Munition de contre mesure

Publications (2)

Publication Number Publication Date
EP1000312A1 EP1000312A1 (de) 2000-05-17
EP1000312B1 true EP1000312B1 (de) 2003-10-08

Family

ID=9527183

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99922246A Expired - Lifetime EP1000312B1 (de) 1998-06-09 1999-06-01 Munition für gegenmassnahmen

Country Status (6)

Country Link
EP (1) EP1000312B1 (de)
DE (1) DE69911884T2 (de)
DK (1) DK1000312T3 (de)
ES (1) ES2209435T3 (de)
FR (1) FR2779514B1 (de)
WO (1) WO1999064812A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6540175B1 (en) * 2001-12-03 2003-04-01 Lockheed Martin Corporation System for clearing buried and surface mines
DE102010051491A1 (de) 2010-11-15 2012-05-16 Atlas Elektronik Gmbh Unterwasserfahrzeug und Unterwassersystem mit einem Unterwasserfahrzeug
DE102018214824A1 (de) * 2018-08-31 2020-03-05 Atlas Elektronik Gmbh Räumgerät und Verfahren zum Neutralisieren eines Kampfmittels unter Wasser
DE102019213944A1 (de) * 2019-09-12 2021-03-18 Atlas Elektronik Gmbh Unterwasserfahrzeug mit zwei hintereinander angeordneten Hohlladungen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3880103A (en) * 1972-08-21 1975-04-29 Us Navy Tethered mine hunting system
DE2829002C2 (de) * 1978-07-01 1985-04-04 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Gefechtskopf
DE2829001C2 (de) * 1978-07-01 1983-09-22 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Gefechtskopf mit einem Hauptwirkkörper und einem oder mehreren Nebenwirkkörpern
DE3010917C2 (de) * 1980-03-21 1984-03-01 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Gefechtskopf mit einer Haupthohlladung und mindestens einer Vorhohlladung
DE3626434C3 (de) * 1986-08-05 1994-10-20 Diehl Gmbh & Co Verfahren und Einrichtung zum Vernichten großvolumiger Seegrundminen
DE3739370A1 (de) * 1987-11-20 1989-06-01 Diehl Gmbh & Co Bomblet-gefechtskopf
DE19543757C2 (de) * 1995-11-24 1997-09-04 Diehl Gmbh & Co Verfahren zur Bekämpfung von Seeminen

Also Published As

Publication number Publication date
FR2779514A1 (fr) 1999-12-10
DE69911884T2 (de) 2004-09-09
DK1000312T3 (da) 2004-02-09
FR2779514B1 (fr) 2001-01-26
DE69911884D1 (de) 2003-11-13
EP1000312A1 (de) 2000-05-17
ES2209435T3 (es) 2004-06-16
WO1999064812A1 (fr) 1999-12-16

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