EP2410284B1 - Ogive - Google Patents

Ogive Download PDF

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Publication number
EP2410284B1
EP2410284B1 EP11005695.9A EP11005695A EP2410284B1 EP 2410284 B1 EP2410284 B1 EP 2410284B1 EP 11005695 A EP11005695 A EP 11005695A EP 2410284 B1 EP2410284 B1 EP 2410284B1
Authority
EP
European Patent Office
Prior art keywords
warhead
elements
casing
outer casing
cutting
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
EP11005695.9A
Other languages
German (de)
English (en)
Other versions
EP2410284A2 (fr
EP2410284A3 (fr
Inventor
Thomas Dr. Falter
Manfred Klare
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.)
Diehl Defence GmbH and Co KG
Original Assignee
Diehl Defence GmbH and Co KG
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 Diehl Defence GmbH and Co KG filed Critical Diehl Defence GmbH and Co KG
Publication of EP2410284A2 publication Critical patent/EP2410284A2/fr
Publication of EP2410284A3 publication Critical patent/EP2410284A3/fr
Application granted granted Critical
Publication of EP2410284B1 publication Critical patent/EP2410284B1/fr
Active legal-status Critical Current
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
    • F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
    • F42B12/56—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information for dispensing discrete solid bodies
    • F42B12/58—Cluster or cargo ammunition, i.e. projectiles containing one or more submissiles
    • F42B12/60—Cluster or cargo ammunition, i.e. projectiles containing one or more submissiles the submissiles being ejected radially

Definitions

  • the invention relates to a warhead comprising a warhead casing with fragmentation elements loosely arranged on its outside, as well as an outer envelope surrounding the fragmentation elements and fixing them.
  • a warhead with a fragmentation function has a warhead casing that is filled with explosives on the inside.
  • fragmentation elements for example in the form of fragmentation plates that burst when detonated, are arranged on the outside of the mostly cylindrical warhead casing.
  • the warhead is terminated radially outwards by an outer casing which surrounds the fragmentation elements and is firmly attached to the warhead casing.
  • the explosive located in the warhead casing is ignited, so that the fragmentation elements burst or, if individual fragments are provided, they are hurled essentially radially into the environment by the detonation.
  • the invention is therefore based on the problem of specifying a warhead with extended functionality.
  • the invention is a warhead according to claim 1.
  • the fragmentation elements can be removed during use if necessary by automatically opening the outer casing, which fixes the fragmentation elements loosely attached to the warhead casing in their position, so that the fragmentation elements can fall off.
  • This automatic opening takes place after the projectile or missile has been fired, preferably shortly before the actual detonation. This makes it possible to ignite the warhead as a fragmentation charge if necessary, in which case the fragmentation elements remain on it until the warhead is ignited, so the outer casing is not automatically opened.
  • the radial splintering effect is to be suppressed in order, as already described, for. B.
  • the warhead according to the invention can therefore be operated in two different modes, once as a warhead with fragmentation effect and once as a warhead without fragmentation effect, whereby the respective mode can be selected and set by activating the means for automatic opening if necessary after the projectile or missile has been fired.
  • the means for automatically opening the outer shell are preferably pyrotechnic means, that is to say means that are themselves explosive, so that safe opening of the outer shell is guaranteed by this, in that it is quasi blasted off.
  • the pyrotechnic means comprise one or more cutting cords which run adjacent to the outer casing. Such cutting cords enable the build-up of a linear detonation front, i.e. a linear, locally targeted explosive action on the adjacent outer shell.
  • a cutting cord consists of an outer jacket, usually made of metal, for example lead, which is filled with explosives.
  • the outer sheath On one side there is a wedge-shaped recess directed towards the inside of the cord, which in the laying position of the cutting cord is directed outwards towards the outer sheath.
  • the cutting cord ignites like a hollow charge, that is to say that the wedge-shaped recess is shaped as a narrow, elongated material bulge outwards when ignited and the outer shell tears open or divided.
  • the outer sheath can be blasted open along at least one, preferably several distinguished lines using the one or more cutting cords and opened and preferably separated into several parts which fall off, whereupon the splinter elements are released and also fall off.
  • the one or more cutting cords preferably run in such a way that when they are ignited, the outer sheath is separated into two or more separate parts. This ensures that the outer casing is not separated at just one point, which would entail the risk that it would not be completely detached from the warhead socket. The separation along two or more lines and, as a result, the separation of the outer shell into several separate parts, however, ensures that the outer shell falls off completely.
  • the one or more cutting cords preferably extend axially along a cylindrical section of the outer casing and, if necessary, to the center of a cover section of the warhead casing.
  • the ignition and safety mechanism which is used to ignite the actual explosive device located inside the warhead casing, is provided on this cover section of the warhead casing, so that suitable ignition means for igniting the one or more cutting cords in this area can easily be integrated, which is why the one or more cutting cords are preferably guided into the area of the cover section of the warhead casing, but do not have to.
  • the separate detonator assigned to it is located eccentrically to the center of the cover section, since the ignition and safety device for the actual warhead explosive device is provided in the area of the cover section center.
  • An arrangement of the cutting cord detonator adjacent to this is, however, easily possible.
  • each cutting cord is preferably assigned its own igniter, which is also arranged eccentrically to the center of the cover section. It is in principle possible to provide only one common igniter for all cutting cords. For reasons of redundancy, however, it is advisable to use a separate cutting cord detonator in each case, so that if one detonator or one of the cutting cords fails, the others can always be ignited and the outer shell can be blown off.
  • suitable holding elements in particular clamping elements
  • clamping elements are preferably on the warhead casing provided, to which the narrow cutting cords are fixed.
  • Such clamping elements can be implemented, for example, in the form of narrow, radially outwardly protruding clamping projections, between which the cutting cord is fixed.
  • fixing to such holding or clamping elements there is of course the possibility of also gluing the cutting cords to the warhead casing.
  • the warhead casing itself is preferably made of metal, in particular aluminum, but it is also conceivable to manufacture it from a fiber-reinforced plastic, for example. In any case, it must be ensured that the warhead casing has sufficient stability, since it must be avoided that, in the event of an ignition of the cutting cord, the actual detonation effect is not directed radially outwards, but rather completely or with a considerable part inwards. Because in such a case the detonation force would not act on the outer shell, so that it would not be torn open. Rather, the warhead casing would deform inward. In order to avoid this, if the warhead casing is designed from the materials mentioned, sufficient stability is ensured so that the detonation pressure acts on the outer casing when the cutting cords are ignited, without any significant deformation of the warhead casing itself.
  • the outer shell for its part, is made of metal, in particular aluminum, or an optionally fiber-reinforced plastic; in any case, it must be ensured that the outer shell on the one hand can perform its function as a radial envelope and holder for the splinter elements, but at the same time is sufficiently soft or thin to to be blown open over the cutting cord.
  • predetermined breaking points on the outer shell. This is possible, for example, by means of local, linear depressions; perforation lines and the like are also conceivable, the predetermined breaking points preferably running parallel to the cutting cords.
  • Fig. 1 shows a perspective view of a warhead casing 1, consisting of a cylindrical section 2 and a cover section 3.
  • the cylindrical section 2 is recessed radially in relation to the cover section 3, that is to say has a smaller outer diameter.
  • a radial flange 4 is provided at the lower end, the cover section forms an upper radial flange 5.
  • a total of four lines extend in the example shown, comprising several clamping elements 6, which, as will be described below, serve to fix cutting cords .
  • Each clamping element consists of two separate clamping projections 7, between which a cutting cord can be clamped.
  • the warhead casing 1 is made, for example, of aluminum; it is also conceivable to be embodied as a fiber-reinforced plastic component.
  • Fig. 2 shows the warhead cover 1 from Fig. 1 , wherein a cutting cord 10 is fixed to each of the clamping elements 6 and in the clamping grooves 8.
  • the cutting cords 10 all run to the center 9 of the cover section 3, where, as will be discussed below, they are each connected to a detonator for igniting each individual cutting cord 10 separately.
  • a sectional view of such a cutting cord 10 is shown. It comprises a metallic shell 11 which is filled with explosives 12.
  • the sheath 11 consists, for example, of lead.
  • the effect of such a cutting cord is that of a linear shaped charge.
  • the shell 11 is provided on one side with a V-shaped recess 13 in the example shown, which is thrown up outward in a linear and narrow manner when the explosive 12 is ignited.
  • the cutting cord 10 rests with its flat side 14 on the warhead casing 1, that is to say that the V-shaped groove 13 faces outwards.
  • Fig. 4 shows the warhead casing 1 with splinter assignments now arranged on the outside of the cylindrical section 2, namely splinter elements 15 in the form of several individual splinter plates, whereby in the example shown two splinter plates are provided axially one above the other in a segment located between the clamping element lines.
  • the plate-shaped splinter elements 15 have a curved shape which corresponds to the outer radius of the cylindrical section 2; they lie loosely between the clamping elements 6 and the radial flanges 4, 5, so they are not fixed there. Instead of the plate-shaped splitter elements 15, it would of course also be conceivable to arrange a large number of individual small splitter elements loosely there as splitter occupancy.
  • FIG. 5 shows the warhead 16 in the fully assembled state, in which an outer shell 17, for example a thin metal shell or plastic shell, is pulled on or pressed on, over which the warhead 16 is encapsulated radially outwards and at the same time the splinter elements 15, which are encompassed by the outer shell 17 be fixed in their position.
  • the outer sheath 17 can also be seen to overlap the cutting cords 10, insofar as these are guided along the cylindrical section 2 in the clamping element lines. This means that the cutting cords 10 with their notch 13 are arranged directly adjacent below the outer sheath 17.
  • the warhead remains unchanged, ie the fragment jacket consisting of the fragmentation elements 15 remains on the warhead 16 until the warhead is ignited.
  • the detonators 21 are controlled via the respective detonators 21 before the actual ignition of the warhead explosive via the control electronics of the warhead, which is also provided in the area of the cover section 3, i.e. the ignition and safety device there, so that the four cutting cords 10 are ignited via this. This leads to linear explosions occurring below the outer shell 17, as indicated by the lines 22 in FIG Fig. 5 shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Radar Systems Or Details Thereof (AREA)

Claims (10)

  1. Ogive, comprenant une enveloppe d'ogive (1) pourvue d'éléments de fragmentation (15) disposés sur son côté extérieur ainsi qu'une enveloppe extérieure (17) qui entoure les éléments de fragmentation (15),
    des moyens (10) étant présents, pour ouvrir automatiquement l'enveloppe extérieure (17) qui cale les éléments de fragmentation (15) disposés de manière lâche de telle sorte que les éléments de fragmentation (15) chutent,
    un mode sans effet de fragmentation pouvant être sélectionné et réglé selon le besoin par une commande des moyens (10), en ce que l'enveloppe extérieure (17), qui cale dans leur position les éléments de fragmentation (15) reposant de manière lâche contre l'enveloppe d'ogive (1), soit ouverte automatiquement, de telle sorte que les éléments de fragmentation (15) puissent chuter.
  2. Ogive selon la revendication 1, caractérisée en ce que les moyens sont des moyens (10) pyrotechniques.
  3. Ogive selon la revendication 2, caractérisée en ce que les moyens comprennent un ou plusieurs cordons de coupe (10) qui suivent un tracé adjacent à l'enveloppe extérieure (17).
  4. Ogive selon la revendication 3, caractérisée en ce que le cordon de coupe (10) ou les cordons de coupe (10) suivent un tracé de telle sorte que lors de leur allumage, l'enveloppe extérieure (17) peut être séparée en deux parties séparées ou plus.
  5. Ogive selon la revendication 4, caractérisée en ce que le ou les cordons de coupe (10) s'étendent axialement le long d'une portion cylindrique de l'enveloppe extérieure (17) et de préférence vers le centre (9) d'une portion de couvercle (3) de l'enveloppe d'ogive (1).
  6. Ogive selon la revendication 5, caractérisée en ce qu'un détonateur (21) disposé de manière excentrique par rapport au centre (9) de la portion de couvercle (3) est associé audit cordon de coupe (10), ou en ce qu'un détonateur (21) propre, disposé de manière excentrique par rapport au centre (9) de la portion de couvercle (3), est respectivement présent pour les plusieurs cordons de coupe (10).
  7. Ogive selon l'une des revendications 3 à 6, caractérisée en ce que des éléments de maintien (6), notamment des éléments de serrage destinés à caler le ou les plusieurs cordons de coupe (10) se trouvent sur l'enveloppe d'ogive (1).
  8. Ogive selon l'une des revendications précédentes, caractérisée en ce que l'enveloppe d'ogive (1) est en métal, notamment en aluminium, ou en une matière plastique éventuellement renforcée par des fibres.
  9. Ogive selon l'une des revendications précédentes, caractérisée en ce que l'enveloppe extérieure (17) est en métal, notamment en aluminium, ou en une matière plastique éventuellement renforcée par des fibres.
  10. Ogive selon l'une des revendications précédentes, caractérisée en ce qu'au moins un, de préférence plusieurs points de rupture voulus se trouvent sur l'enveloppe extérieure (17).
EP11005695.9A 2010-07-19 2011-07-13 Ogive Active EP2410284B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010027580A DE102010027580B4 (de) 2010-07-19 2010-07-19 Gefechtskopf

Publications (3)

Publication Number Publication Date
EP2410284A2 EP2410284A2 (fr) 2012-01-25
EP2410284A3 EP2410284A3 (fr) 2014-09-24
EP2410284B1 true EP2410284B1 (fr) 2021-09-29

Family

ID=44763699

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11005695.9A Active EP2410284B1 (fr) 2010-07-19 2011-07-13 Ogive

Country Status (2)

Country Link
EP (1) EP2410284B1 (fr)
DE (1) DE102010027580B4 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013009789A1 (de) 2013-06-12 2014-12-18 Diehl Bgt Defence Gmbh & Co. Kg Gefechtskopf
DE102022002278A1 (de) 2022-06-23 2023-12-28 Diehl Defence Gmbh & Co. Kg Wirkkörper mit Sollbruchstellen für Geschosse

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2809583A (en) * 1952-12-04 1957-10-15 Roman L Ortynsky Cluster bomb
US3949674A (en) * 1965-10-22 1976-04-13 The United States Of America As Represented By The Secretary Of The Navy Operation of fragment core warhead
DE3630082A1 (de) * 1986-09-04 1988-03-10 Bayern Chemie Gmbh Flugchemie Vorrichtung zum ausstossen von behaeltern, insbesondere von munition
FR2736713B1 (fr) * 1989-03-16 1998-04-30 Lacroix Soc E Munition a charge mise en oeuvre sur trajectoire
DE3934042A1 (de) * 1989-10-12 1991-04-25 Diehl Gmbh & Co Gefechtskopf
USH1047H (en) * 1991-08-05 1992-05-05 The United States Of America As Represented By The Secretary Of The Navy Fragmenting notched warhead rod
DE10018285C2 (de) * 2000-04-13 2002-07-11 Daimler Chrysler Ag Splittergefechtskopf zur Bekämpfung technischer Ziele
DE10151573B4 (de) * 2001-10-23 2004-04-29 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Splitterschutz zur Minimierung von Kollateralschäden
FR2940683B1 (fr) * 2008-12-31 2011-03-18 Nexter Munitions Tete militaire projetant des barreaux.

Also Published As

Publication number Publication date
DE102010027580B4 (de) 2013-02-28
DE102010027580A1 (de) 2012-01-19
EP2410284A2 (fr) 2012-01-25
EP2410284A3 (fr) 2014-09-24

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