EP2154470B1 - Charge cylindrique commutable - Google Patents

Charge cylindrique commutable Download PDF

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Publication number
EP2154470B1
EP2154470B1 EP09010261A EP09010261A EP2154470B1 EP 2154470 B1 EP2154470 B1 EP 2154470B1 EP 09010261 A EP09010261 A EP 09010261A EP 09010261 A EP09010261 A EP 09010261A EP 2154470 B1 EP2154470 B1 EP 2154470B1
Authority
EP
European Patent Office
Prior art keywords
holder
insert
charge
disk
pellets
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
EP09010261A
Other languages
German (de)
English (en)
Other versions
EP2154470A1 (fr
Inventor
Werner Dr. Arnold
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.)
TDW Gesellschaft fuer Verteidigungstechnische Wirksysteme mbH
Original Assignee
TDW Gesellschaft fuer Verteidigungstechnische Wirksysteme mbH
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 TDW Gesellschaft fuer Verteidigungstechnische Wirksysteme mbH filed Critical TDW Gesellschaft fuer Verteidigungstechnische Wirksysteme mbH
Publication of EP2154470A1 publication Critical patent/EP2154470A1/fr
Application granted granted Critical
Publication of EP2154470B1 publication Critical patent/EP2154470B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F42B12/20—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type
    • F42B12/22—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction
    • F42B12/32—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction the hull or case comprising a plurality of discrete bodies, e.g. steel balls, embedded therein or disposed around the explosive charge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B1/00—Explosive charges characterised by form or shape but not dependent on shape of container
    • F42B1/02—Shaped or hollow charges
    • F42B1/024—Shaped or hollow charges provided with embedded bodies of inert material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C19/00—Details of fuzes
    • F42C19/08—Primers; Detonators
    • F42C19/095—Arrangements of a multiplicity of primers or detonators, dispersed around a warhead, one of the primers or detonators being selected for directional detonation effects

Definitions

  • the invention relates to a switchable cylindrical active charge of a warhead with an arranged inside the explosive charge holder for a plurality of distributed arranged pellets, which consists of a tubular part and a perpendicular to the main axis of the active charge disc-shaped part, and at least two igniters for a charge with a shaped Inlay.
  • the EP-A-1 912 037 describes a cylindrical active charge with a splitter-forming shell, in whose effective charge a tubular support for explosive-filled pellets is arranged, wherein the initiation of the effective charge can take place from different points along the main axis.
  • This object is achieved in a surprisingly simple manner in that the tubular and the vertical part of the support of the pellets abut each other or are connected to each other, wherein the disc-shaped part is arranged at a predetermined distance from an insert, and wherein the tubular part on the Insert opposite side of the disc-shaped part is arranged, and that within the tubular part along the main axis of the active charge on depending on the intended effect, a first ignition device is disposed at different locations and in the center of the disc-shaped part of the holder, a further ignition device is arranged.
  • one of the ignition devices is arranged in the center of the vertical part of the holder. This allows the formation of an EFP projectile in the case of ignition.
  • one of the insert opposite side is arranged approximately to the disk-shaped part of the holder extending recess in which at least one ignition device is slidably mounted by means of a drive.
  • Another embodiment is determined by the fact that a damping layer is arranged on the insert facing the end of the recess. As a result, the propagation of the detonation front, which originates from the ignition device ignited in the recess, is delayed before arrival at the ignition device located in the disk-shaped part of the holder and reduced in amplitude.
  • FIG. 1 is the basic structure of a switchable active charge 1 simplified.
  • the explosive charge 8 is surrounded radially on the outside by a fragment forming sheath 11, which may for example consist of metal and either has no formation of the splitter supporting notches or is also pre-scored.
  • the active charge is completed in the weft direction with an insert 5.
  • On the main axis 6 of the active charge 1 are on the insert. 5 opposite side and also within the explosive charge 8 at different positions 7a, 7b, 7c one or more igniter ZK1 arranged. These can be firmly positioned within the cargo and also, as in FIG. 1 shown to be slidably disposed within a recess 12 extending along the main axis 6 in the illustrated arrow direction.
  • Essential for the switchability of the active charge here is the free choice of the place of initiation of the ignition ZK1. Furthermore, the possibility is provided to use the further ignition chain ZK2 as an aid in the initiation of the first ignition chain ZK1 or to initiate the further ignition chain ZK2 alone. It is just as possible to install several ignition chains ZK1, which can be optionally initiated. In this case, the recess 12 can be completely omitted.
  • This holder is made of inert plastic material and has distributed pellets 4a, 4b, which consist of explosives.
  • the radial part 2 of the holder is arranged in the form of a tube rotationally symmetrical about the main axis 6 in the explosive 8 and has the shell 11 at a distance in the order of some pellet diameter.
  • the approximately perpendicular to the main axis 6 arranged disc-shaped part 3 of the holder also has a plurality of distributed arranged similar pellets 4b.
  • the further ignition chain ZK2 can be arranged in this part of the holder 3.
  • the distance between the disc-shaped part 3 of the holder and the insert 5 is dimensioned so large that in the case of initiation of the ignition chain ZK1, the pellets in the disc-shaped part of the holder and the ignition chain ZK2 greatly modified with respect to the local pressure distribution detonation wave enough running distance Available to fragment the insert 5 in the desired manner.
  • the effective charge can be triggered in four different modes, which are described in more detail below.
  • FIG. 2 is the mode for the simultaneous generation of radially outgoing natural splinters and axial outgoing controlled generated splitter shown.
  • natural splinters is used for those splinters that are generated without the aid of agents that affect the shape and / or size of the splinters as they form.
  • Controlled splinters are specifically influenced in the formation phase in terms of their shape and / or size.
  • the ignition chain ZK1 is shown in the already in FIG. 1 indicated position 7a initiated.
  • the front of the detonation wave DW passes through the explosive 8 in the direction of the insert 5. Its course is shown in the phases A, .., D. It strips the tubular part of the holder 2, whereby the pellets 4a stored in the holder are indeed initiated, but this does not affect the detonation wave between the holder 2 and the casing 11. In the contact area of the detonation wave DW with the shell 11, this is decomposed into natural splinters 13 a, which depart radially to the main axis 6. Of course, it is also possible to use a pre-notched sheath or equivalent means to create controlled fragments.
  • a slight deformation of the detonation wave DW takes place when passing through the damping layer 10.
  • the front of the detonation wave DW initiates the pellets 4b stored therein. This results in a superposition of the original detonation wave DW with those generated by the pellets. This results in a pattern of pressure peaks resulting from the arrangement of the pellets, which finally breaks up the insert 5 into controlled splinters 14a. Since the detonation front strikes the insert 5 approximately frontally, these splinters go bundled relatively axially in the axial direction.
  • FIG. 3 Another adjustable mode is shown, in which radially controlled splitter and axially controlled bundled splitter can be generated.
  • a firing chain ZK1 is chosen for the initiation, which in a position 7b approximately in the middle between the position of the ignition chain ZK1 from the FIG. 2 and the disc-shaped holder 3 is located.
  • the generated here front of the detonation wave DW extends from there approximately radially, which is represented by the different phases A, B, C of the detonation wave. In phase B it penetrates the tubular part of the holder 2 and the disc-shaped part 3 of the holder, thereby initiating the pellets 4a and 4b.
  • the front of the detonation wave DW is impressed with the corresponding detonation wave pattern C.
  • large preformed splinters these are broken down into smaller splinters.
  • the disc-shaped part of the holder is in a similar manner as already FIG. 2 described, about frontal impacted. This also leads to the imprinting of a detonation wave pattern and to the corresponding decomposition of the insert 5 into controlled splinters 14a, which likewise go bundled.
  • FIG. 4 another adjustable mode is shown in which radially controlled splitter and axially controlled splitter with expanded propagation direction can be generated.
  • a firing chain ZK1 is chosen for the initiation, which in a position 7c is even closer to the further firing chain ZK2 than in FIG FIG. 3 had been described.
  • Both parts of the holder are traversed in a corresponding manner from the front of the detonation wave DW, which is represented by the phases A, B, C.
  • splinters are generated in about the same way as already described. However, since the location of the initiation of the explosive charge is closer to the insert 5, the front of the detonation wave is more curved. This leads to a slightly different size distribution of the splitter 14b, which has been generated in a controlled manner, and to a widened outflow region of the splinters.
  • the FIG. 5 finally shows an adjustable mode for generating natural splitter in the radial direction and a projectile in the axial direction.
  • the ignition chain ZK2 is initiated, which is arranged in the immediate area or in the disc-shaped holder 3.
  • the front of the detonation wave DW runs directly on the insert 5, whereby it is converted into a projectile 15.
  • All pellets 4a, 4b in the two brackets 2 and 3 are from the front only grazing struck, which is why the initiation of the pellets done, but this does not affect the detonation wave between the holder and shell.
  • the shell therefore decomposes into natural splinters. In the case of preformed fragments these are only accelerated radially.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Toys (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Air Bags (AREA)
  • Geophysics And Detection Of Objects (AREA)

Claims (3)

  1. Charge efficace cylindrique et commutable pour tête de combat, présentant à l'intérieur de la charge explosive un support pour plusieurs pastilles (4) réparties, constitué d'une partie tubulaire (2) et d'une partie (3) en forme de plaque disposée perpendiculairement à l'axe principal (6) de la charge efficace ainsi qu'au moins deux dispositifs d'allumage (ZK1, ZK2) pour une charge explosive dotée d'une garniture (5) façonnée,
    la partie tubulaire (2) et la partie (3) en forme de plaque du support des pastilles (4a, 4b) étant disposées l'une contre l'autre ou étant reliées l'une à l'autre,
    la partie perpendiculaire (3) étant disposée à une distance prédéterminée (d) d'une garniture (5),
    la partie tubulaire (2) étant disposée sur le côté de la partie (3) en forme de plaque opposé à la garniture (5) et les deux parties (2, 3) du support présentant des pastilles (4a, 4b) réparties constituées d'une substance explosive,
    un premier dispositif d'allumage (ZK1) étant disposé à l'intérieur de la partie tubulaire (2) le long de l'axe principal (6) de la charge efficace (1) et un deuxième dispositif d'allumage (ZK2) étant disposé au centre de la partie (3) en forme de plaque du support.
  2. Charge efficace selon la revendication 1, caractérisée en ce qu'un logement (9) qui s'étend depuis le côté opposé à la garniture (5) jusqu'à sensiblement la partie (3) en forme de plaque du support est disposé dans la substance explosive (8) le long de l'axe principal (6) de la charge efficace (1), au moins un dispositif d'allumage (ZK1) étant monté dans ce logement de manière à pouvoir coulisser à l'aide d'un entraînement.
  3. Charge efficace selon la revendication 2, caractérisée en ce qu'une couche d'amortissement (10) est disposée à l'extrémité du logement (9) tournée vers la garniture (5).
EP09010261A 2008-08-14 2009-08-08 Charge cylindrique commutable Active EP2154470B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008037917.4A DE102008037917B4 (de) 2008-08-14 2008-08-14 Umschaltbare zylindrische Wirkladung

Publications (2)

Publication Number Publication Date
EP2154470A1 EP2154470A1 (fr) 2010-02-17
EP2154470B1 true EP2154470B1 (fr) 2012-01-04

Family

ID=41037816

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09010261A Active EP2154470B1 (fr) 2008-08-14 2009-08-08 Charge cylindrique commutable

Country Status (3)

Country Link
EP (1) EP2154470B1 (fr)
AT (1) ATE540284T1 (fr)
DE (1) DE102008037917B4 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010027577B4 (de) * 2010-07-19 2015-04-30 Diehl Bgt Defence Gmbh & Co. Kg Gefechtskopf
DE102010027575B4 (de) * 2010-07-19 2019-10-24 Diehl Defence Gmbh & Co. Kg Gefechtskopf
DE102010048570B4 (de) * 2010-10-18 2014-10-30 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Umschaltbare Wirkladung
FR2966582B1 (fr) * 2010-10-25 2013-04-26 Nexter Munitions Charge formee multimodes
DE102014011702B3 (de) * 2014-08-07 2016-02-11 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Zündeinrichtung für eine Splitterladung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2555649C3 (de) * 1975-12-11 1982-04-08 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Hohlraumsprengladung, insbesondere zum Entschärfen von Munition
DE29713229U1 (de) * 1997-07-25 1998-12-03 Diehl Stiftung & Co., 90478 Nürnberg Gefechtskopf
DE10025055C2 (de) * 2000-05-23 2003-12-24 Eads Deutschland Gmbh Splittererzeugender Gefechtskopf zur Bekämpfung halbharter technischer Ziele
DE10227002B4 (de) * 2002-06-18 2005-06-16 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Zerlegeladung für einen Gefechtskopf
DE102006018687A1 (de) 2006-04-21 2007-11-08 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Umschaltbare Ladung
DE102006048299B3 (de) * 2006-10-12 2008-09-25 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Zylindrische Wirkladung

Also Published As

Publication number Publication date
EP2154470A1 (fr) 2010-02-17
ATE540284T1 (de) 2012-01-15
DE102008037917A1 (de) 2010-02-18
DE102008037917B4 (de) 2014-04-30

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