EP1912037B1 - Charge d'action cylindrique - Google Patents

Charge d'action cylindrique Download PDF

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Publication number
EP1912037B1
EP1912037B1 EP20070019784 EP07019784A EP1912037B1 EP 1912037 B1 EP1912037 B1 EP 1912037B1 EP 20070019784 EP20070019784 EP 20070019784 EP 07019784 A EP07019784 A EP 07019784A EP 1912037 B1 EP1912037 B1 EP 1912037B1
Authority
EP
European Patent Office
Prior art keywords
charge
explosive
chain
explosive charge
firing
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.)
Not-in-force
Application number
EP20070019784
Other languages
German (de)
English (en)
Other versions
EP1912037A1 (fr
Inventor
Werner 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 EP1912037A1 publication Critical patent/EP1912037A1/fr
Application granted granted Critical
Publication of EP1912037B1 publication Critical patent/EP1912037B1/fr
Not-in-force 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
    • F42B12/20—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
    • 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
    • F42C19/0838—Primers or igniters for the initiation or the explosive charge in a warhead
    • F42C19/0842—Arrangements of a multiplicity of primers or detonators, dispersed within a warhead, for multiple mode selection
    • 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 cylindrical active charge with a splitter-forming shell and a tubular holder, the so-called pellet holder, with a plurality of distributed explosive pellets, which is arranged concentrically embedded in the interior of the shell within the active charge, wherein the active charge arranged by means of a front side Ignition chain is triggered.
  • the purpose of such an arrangement is to switch the effect of the active charge of a warhead during the approach to a target.
  • the integrated in the missile seeker determines the target type and derives from the optimal mode of action.
  • the DE 100 08 914 A1 describes a warhead with two opposed igniters, one of which is designed for deflagrative initiation. By appropriate choice of the ignition timing, the effect of the warhead can be influenced within wide limits.
  • the WO 01/79780 A based on the content of the preamble of claim 1, relates to a warhead with a cylindrical active charge, which is surrounded by a fragment-forming shell.
  • the active charge is surrounded by a thin shell of metal or plastic, which allows the sliding repositioning of the shell against the active charge by means of displacement or rotation.
  • This jacket is used exclusively for the sliding bearing of the shell and does not contain any means of initiation. There is also no indication of such a possibility.
  • the US-A-3 565 009 shows a warhead whose effective charge consists of several parts, each of which can be accelerated by means of a drive and thus removed from the warhead.
  • the firing chain associated with the remote part is removed with the part from the warhead.
  • a detonating chain within those Explosive charge can be positioned, which is to initiate, is not apparent from this.
  • the FR-A-2 840 976 A deals with a warhead, which contains in addition to the actual active charge another charge that is equipped with a projectile-forming occupancy.
  • the further charge is displaceably mounted in the longitudinal direction of the warhead. The ejected from the further charge and incident on the actual effective charge projectiles are used to influence the explosive strength of the actual effective charge.
  • the FR 2 678 723 proposes to use off-center compact charges in a warhead to influence directivity.
  • the US 2004/0011238 A1 shows a modular warhead, in which between the explosive modules several central booster charges are arranged, which allow a controlled ignition of selected modules for the purpose of improved directivity.
  • a warhead with several modules rotatable about its longitudinal axis has become known.
  • the modules each have differently sized or shaped parts or passive pellets in the region of their sheath. As a result, different modes of action of the warhead can be achieved.
  • the patent application 10 2006 018 687.7-15 describes an axially switchable charge.
  • the targeted changeover between the generation of splinters or projectiles is done with the help of pellets, which are filled with explosives.
  • the application of this axial technology also took place on radially acting splinter charges. It is possible to make the controlled generated splitter targeted different sizes. However, there is no indication as to how the fragmentation itself can be realized switchable target-adjusted.
  • the front side arranged ignition chain or at least one further ignition chain in the region of the longitudinal axis of the effective charge is mounted longitudinally movably in a cavity, wherein at least one of the further ignition chains can be positioned in the cavity controlled by means of a drive.
  • the effect of the further ignition chain (s) starts centrally from the longitudinal axis of the active charge and spreads from there radially in the direction of the splinter-forming shell.
  • a plate-shaped Kochtragerladung is arranged in the region of the front side arranged ignition chain on the end face of the active charge, which is initiated by means of the further ignition chain, wherein in the effective charge and a detonation waveguide can be arranged.
  • the positioning of the further ignition chain is approximately centrally within the effective charge. It can also be positioned according to a variant of the invention, at least two other ignition chains in the region of the longitudinal axis of the effective charge, wherein moreover at least one of the further ignition chains is mounted longitudinally movable.
  • the explosive charge of the further ignition chain can alternatively also fill approximately the entire length of the cavity, the detonation rate of this explosive charge being set considerably higher than that of the active charge.
  • this long explosive charge is initiated centrally.
  • an advantageous alternative is that in the region of the inside of the tubular support at least one further ignition chain is arranged, the effective direction of which runs through the longitudinal axis of the cylindrical active charge.
  • the triggering of adjacent ignition chains takes place either simultaneously or consecutively. This alignment of the main direction of action is achieved.
  • the invention relates to an advantageous method for triggering a cylindrical active charge with a splitter-forming shell and with a tubular holder with a plurality of distributed arranged pellets, which is arranged concentrically embedded in the interior of the shell within the active charge, forming depending on the intended decomposition of the splitter shell a firing chain is displaced and positioned in a cavity along the longitudinal axis of the effective charge.
  • the present invention relates to the possibility of deliberately controlling splinter formation in the casing by means of the radial propagation of the detonation front, caused by a central initiation.
  • the protected principle is not only applicable to cylindrical active charges, but equally effective, for example, in active charges with polygonal or oval cross-section.
  • the same applies to the shape of the pellet holder and the arrangement of the pellets on the holder.
  • the dimensioning of the individual components naturally influences the effect.
  • the design of the arrangement in detail subject to the expert without thereby leaving the scope of the invention.
  • FIG. 1 the structure of an active charge according to the invention is shown as a principle.
  • the outer part HE 1 of the explosive charge and the inner part HE 2 of the explosive charge are not necessarily have to consist of the same explosive.
  • the principle of the invention is based on time delays. can be obtained by the choice of different detonation speeds another adjustment parameter.
  • An additional parameter is given by the choice of the material of the envelope H.
  • the shell can be designed without predetermined breaking points for the production of natural splinters, or consist of so-called preformed splinters.
  • a third envelope variant can be characterized, for example, by imprints which lead to the so-called controlled fragmentation.
  • All three envelope variants can be decomposed by the present invention using the superimposed detonation fronts targeted into even smaller splinters. For this purpose, only the adjustment of the arrangement of the pellets P with the location and shape of the knockouts is necessary.
  • the Wirkladung after FIG. 1 has a firing chain ZK with an amplifier charge B on.
  • the ignition chain ZK is mounted in an inert material M such as plastic, which permits a repositioning of the ignition chain ZK in the arrow direction within the cavity HR along the longitudinal axis Z.
  • the repositioning is controlled and with the help of a drive not shown in the drawing such as a stepper motor, a spring system or a pyrotechnic drive.
  • a frontal initiation takes place.
  • the generated detonation front D is indicated by dashed lines in three steps a, b, c. Due to the grazing incidence of the detonation wave in the pellets P, these are initiated almost simultaneously with the outer explosive charge HE 1 .
  • the uniformly grazing detonation wave causes a decomposition into natural or controlled splinters or a uniform acceleration of the path of the preformed splinters.
  • FIG. 2 solely by the axial displacement of the ignition chain ZK within the cavity HR along the longitudinal axis Z, produces another effect with regard to the formation of the splinters.
  • a detonation front D spreads in the radial direction from the central region of the explosive charge HE 2 . This is dashed in the figure represented and reproduced in successive steps a, b, c.
  • the pellets P distributed in the pellet holder PH are initiated in time before the outer explosive charge HE 1 .
  • step c of the course of the detonation wave D this is heavily modulated in the outer part of the explosive charge HE 1 , wherein in the figure with arrows provided leading detonation front each of the pellets P moves radially outward and finally a controlled disassembly of the shell H according to the pattern of superimposed detonation fronts causes.
  • FIGS. 3 and 4 Such a superimposition of two striking detonation fronts - in this case of the many per-pellet detonation fronts - leads to a known in the art local pressure overshoot, which can typically be up to 100 kbar, and ultimately causally leads to the disassembly of the shell.
  • the illustrated active charge corresponds to the basic structure of those from the Figures 1 and 2 but also has a front end a Studentstragerplatte PL and a DetonationswellenJenker DWL on.
  • FIG. 3 initiates the booster charge B radially the transformer plate PL.
  • the detonation waveguide DWL prevents direct initiation of the main charge HE 2.
  • the detonation front a is directed radially outward. Only in the outer region of the active charge, it can spread axially and applies only grazing on the pellet holder PH with the integrated pellets P. These are thus initiated almost simultaneously with the outer explosive charge HE 1 .
  • the envelope H thus achieves a grazing uniform detonation front b, c, d, which breaks it up into natural or controlled fragments, or even preforms splinters accelerated away in an approximately radial direction.
  • the ignition chain ZK has been moved to a central position within the active charge.
  • the transmitter plate PL and the detonation waveguide DWL have a central opening corresponding to the cavity HR.
  • the propagation of the detonation fronts proceeds very much as in the embodiment FIG. 2 , There is thus a controlled decomposition of the splitter.
  • a transformer plate PL and a detonation waveguide DWL are provided in the same way.
  • the ignition chain ZK 1 initiated according to FIG. 5 the transformer plate PL.
  • the detonation front D passes on the detonation waveguide DWL outward and then proceeds axially grazing along the pellet holder PH and simultaneously along the envelope H.
  • the second ignition chain ZK 2 is not used.
  • FIG. 7 Another embodiment of the same principle is in the FIG. 7 exemplified.
  • a third ignition chain ZK 3 arranged in the central cavity HR.
  • This variant is suitable for longer active charges and also has the advantage that the detonation front b strikes the pellet holder PH more frontally and more uniformly.
  • additional ignition chains can be provided in addition.
  • the initiation of these priming usually takes place at the same time.
  • FIGS. 8 and 9 Another solution is in the FIGS. 8 and 9 played.
  • the structure of the effective charge again corresponds to those embodiments with a Götragerladung. What is new, however, is that the central cavity, as far as is constructively possible, is filled with another explosive HE Z.
  • the initiation via the front-side ignition chain ZK 1 has already been described. New is however the Effect achieved by means of the ignition of the ignition chain ZKZ in connection with the rod-shaped explosive HE Z.
  • This explosive has a high detonation velocity V Z (for example 8000-9000 m / s), so that in comparison V 2 V z .
  • the initiation takes place via the centrally arranged ignition chain ZKZ.
  • the detonation wave D Z runs away within this explosive from both sides of the initiation. This leads to a so-called drag initiation of the neighboring explosive HE 2 .
  • the resulting angle between the detonation front in the explosive HE 2 and the pellet holder PH is determined by the ratio of the detonation velocities V 2 and V Z.
  • This ratio can advantageously be chosen to be very different, so that the angle is relatively small, as in FIG. 8 is indicated. This ensures that the generated detonation front strikes the pellet holder PH approximately frontally and the pellets P are initiated. Thus, a controlled decomposition of the envelope H is achieved.
  • FIG. 9 is a variant with frontal initiation too FIG. 8 shown. This is particularly well suited for long loads, such as penetrators. In the illustration, therefore, the lower part of the charge has been omitted to indicate such an application.
  • the further explosive HE Z is not centered, but ignited by means of the movable ignition chain ZK 1 frontally.
  • the further procedure is similar to that according to the FIG. 8 , By means of displacement, the same ignition chain ZK 1 can also be used to initiate the transformer plate PL. In order to avoid any over-initiation, the use of suitable additional damping materials is recommended.
  • FIG. 10 shows an example of a longitudinal section through such an arrangement and the FIG. 11 a section through the above arrangement along the line AA.
  • the propagation of the detonation wave is shown in steps a, b, and c.
  • the circumferentially azimuthal resolution of the speed increase and the controlled fragmentation depends on the number of ignition points.
  • a time-delayed ignition of two adjacent ignition points to influence the resolution is possible.
  • the advantage of this arrangement is the controllable alignment of the main direction of action and the increased splitter speed in this direction.
  • the invention is not limited only to the embodiments described, it also relates to equivalent arrangements that use the principle of modulation of a detonation front by means of additional charges or additional initiation points. Not only the described pellets can be used as additional charges / initiation points, but also other compact detonators such as EFI detonators.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Automotive Seat Belt Assembly (AREA)

Claims (10)

  1. Charge active cylindrique (W) comprenant une enveloppe (H) formant des éclats, et une charge explosive, la charge active (W) pouvant être détonée au moyen d'une chaîne de mise à feu (ZK) disposée du côté frontal, caractérisée en ce qu'une fixation de forme tubulaire (PH) avec une pluralité de granules (P) contenant une substance explosive, disposés de manière répartie, est disposée de manière incorporée concentriquement dans l'espace interne de l'enveloppe à l'intérieur de la charge explosive, et en ce que la chaîne de mise à feu (ZK) disposée du côté frontal ou au moins une autre chaîne de mise à feu (ZK2, ZK3) est montée de manière déplaçable longitudinalement à l'intérieur d'un espace creux (HR) central disposé dans la région de l'axe longitudinal (Z) de la charge explosive.
  2. Charge active cylindrique selon la revendication 1, caractérisée en ce que la chaîne de mise à feu (ZK) ou au moins une autre chaîne de mise à feu (ZK2, ZK3) peut être positionnée de manière commandée au moyen d'un entraînement.
  3. Charge active cylindrique selon la revendication 1 ou 2, caractérisée en ce que dans la région de la chaîne de mise à feu (ZK) disposée du côté frontal, on dispose sur la face frontale de la charge explosive une charge de transfert (PL) en forme de plaque, qui peut être amorcée au moyen de la chaîne de mise à feu (ZK) ou au moins de l'une des autres chaînes de mise à feu (ZK2, ZK3).
  4. Charge active cylindrique selon la revendication 3, caractérisée en ce qu'un déflecteur d'onde de détonation (DWL) est disposé à l'intérieur de la charge explosive dans la région de la charge de transfert (PL).
  5. Charge active cylindrique selon la revendication 1, caractérisée en ce que l'autre chaîne de mise à feu (ZK2) est positionnée approximativement centralement à l'intérieur de la charge explosive.
  6. Charge active cylindrique selon la revendication 1, caractérisée en ce qu'au moins deux autres chaînes de mise à feu (ZK2, ZK3) sont positionnées dans la région de l'axe longitudinal (Z) de la charge explosive.
  7. Charge active cylindrique selon la revendication 6, caractérisée en ce qu'au moins l'une des autres chaînes de mise à feu (ZK2, ZK3) est montée de manière déplaçable longitudinalement.
  8. Charge active cylindrique (W) comprenant une enveloppe (H) formant des éclats, et une charge explosive, la charge active (W) pouvant être détonée au moyen d'une chaîne de mise à feu (ZK) disposée du côté frontal, caractérisée en ce qu'une fixation de forme tubulaire (PH) avec une pluralité de granules (P) contenant une substance explosive, disposés de manière répartie, est disposée de manière incorporée concentriquement dans l'espace interne de l'enveloppe (H) à l'intérieur de la charge explosive, et en ce qu'au moins une autre chaîne de mise à feu (ZKA) est disposée du côté interne de la fixation de forme tubulaire (PH), dont le sens d'action est orienté approximativement perpendiculairement à l'axe longitudinal (Z) de la charge active cylindrique (W).
  9. Charge active cylindrique selon la revendication 9, caractérisée en ce que la détonation de chaînes de mise à feu adjacentes (ZKA) s'effectue simultanément ou successivement.
  10. Procédé pour détoner une charge active cylindrique (W) comprenant une enveloppe (H) formant des éclats, et une charge explosive, et comprenant une fixation de forme tubulaire (PH) avec une pluralité de granules (P) contenant une substance explosive, disposés de manière répartie, qui est disposée de manière incorporée concentriquement dans l'espace interne de l'enveloppe à l'intérieur de la charge explosive, caractérisé en ce que, en fonction de la désintégration escomptée de l'enveloppe (H) formant des éclats, une chaîne de mise à feu (ZK) est déplacée et positionnée à l'intérieur d'un espace creux (HR) central disposé dans la région de l'axe longitudinal (Z) de la charge explosive.
EP20070019784 2006-10-12 2007-10-10 Charge d'action cylindrique Not-in-force EP1912037B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200610048299 DE102006048299B3 (de) 2006-10-12 2006-10-12 Zylindrische Wirkladung

Publications (2)

Publication Number Publication Date
EP1912037A1 EP1912037A1 (fr) 2008-04-16
EP1912037B1 true EP1912037B1 (fr) 2010-04-21

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EP20070019784 Not-in-force EP1912037B1 (fr) 2006-10-12 2007-10-10 Charge d'action cylindrique

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DE (2) DE102006048299B3 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008037917B4 (de) 2008-08-14 2014-04-30 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Umschaltbare zylindrische Wirkladung
DE102008060737A1 (de) * 2008-12-05 2010-06-10 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Verfahren und Vorrichtung zur Erzeugung unterschiedlicher Splittergrößen
DE102009017160B3 (de) 2009-04-09 2010-08-19 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Zerlegevorrichtung für die Sprengladung eines Gefechtskopfes
DE102011010351A1 (de) 2011-02-04 2012-08-09 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Umschaltbare Wirkladung
EP2442065B1 (fr) 2010-10-18 2017-03-29 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Charge active commutable
DE102010048570B4 (de) 2010-10-18 2014-10-30 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Umschaltbare Wirkladung
DE102014003893A1 (de) 2014-03-19 2015-09-24 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Umschaltbare Ladungsvarianten mit Lochmuster-Einlagen und alternativ mit Reaktiven Struktur-Materialien (RSM)
DE102014011702B3 (de) * 2014-08-07 2016-02-11 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Zündeinrichtung für eine Splitterladung
DE102014018218B4 (de) 2014-12-06 2023-05-17 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Vorrichtung zur gesteuerten Initiierung der Deflagration einer Sprengladung
NO2731949T3 (fr) * 2015-08-08 2018-09-01
CN111397438A (zh) * 2020-03-16 2020-07-10 上海新力动力设备研究所 一种适用于燃气发生器的带支架包覆药柱结构

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DE2807280C2 (de) * 1978-02-21 1984-01-19 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Sprengladung für Gefechtsköpfe, Streuminen oder dergleichen Munition
FR2678723B1 (fr) * 1981-06-26 1993-11-12 Etat Francais Projectile explosif, notamment anti-aerien, comprenant une charge a effet directionnel rotatif.
US4848239A (en) * 1984-09-28 1989-07-18 The Boeing Company Antiballistic missile fuze
FR2599134B1 (fr) * 1986-05-23 1988-08-26 Matra Tete militaire pour engin
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DE10008914C2 (de) * 2000-02-25 2003-06-26 Tdw Verteidigungstech Wirksys Sprengladung für einen Gefechtskopf
DE10018285C2 (de) 2000-04-13 2002-07-11 Daimler Chrysler Ag Splittergefechtskopf zur Bekämpfung technischer Ziele
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SE522935C2 (sv) * 2000-07-03 2004-03-16 Bofors Defence Ab Anordning för att anpassa ammunitionsenhet för olika typer av mål och situationer
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DE102006018687A1 (de) * 2006-04-21 2007-11-08 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Umschaltbare Ladung

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Publication number Publication date
DE502007003492D1 (de) 2010-06-02
DE102006048299B3 (de) 2008-09-25
EP1912037A1 (fr) 2008-04-16

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