EP1912037A1 - Charge d'action cylindrique - Google Patents

Charge d'action cylindrique Download PDF

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Publication number
EP1912037A1
EP1912037A1 EP07019784A EP07019784A EP1912037A1 EP 1912037 A1 EP1912037 A1 EP 1912037A1 EP 07019784 A EP07019784 A EP 07019784A EP 07019784 A EP07019784 A EP 07019784A EP 1912037 A1 EP1912037 A1 EP 1912037A1
Authority
EP
European Patent Office
Prior art keywords
active charge
charge
ignition chain
ignition
chain
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
EP07019784A
Other languages
German (de)
English (en)
Other versions
EP1912037B1 (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
Expired - Fee Related 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 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 front side arranged firing chain or at least one further ignition chain is mounted longitudinally movably in the region of the longitudinal axis of the effective charge in a cavity, wherein at least one of the further ignition chains can be controlled by means of a drive in the cavity.
  • 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 according to a variant of the invention also at least two be positioned further 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 support 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 Sheath 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.
  • 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 the outer part HE 1 of the explosive charge and the inner part HE 2 of the explosive charge.
  • These cylindrical parts in the exemplary embodiment need not necessarily consist of the same explosive. Since 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.
  • the active charge according to FIG. 1 has a firing chain ZK with an amplifier charge B.
  • 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.
  • an end-side 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.
  • the axial movement of the ignition chain ZK within the cavity HR along the longitudinal axis Z produces a different effect with regard to the shaping of the splitter.
  • a detonation front D spreads in the radial direction from the central region of the explosive charge HE 2 . This is shown by dashed lines in the figure and reproduced in successive steps a, b, c. With the help of this course of the detonation front, 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 runs in the outer part of the explosive charge HE 1 strongly modulated, wherein the arrows in the figure provided with front detonation front moves each of the pellets P radially outward and finally a controlled disassembly of the shell H according to the pattern of superimposed detonation fronts causes.
  • Such a superimposition of two striking detonation fronts - that is, of the many per-pellet detonation fronts - leads to one in the professional world known local pressure overshoot, which can be typically up to 100 kbar, and ultimately leads to the decomposition of the shell causally.
  • the illustrated active charge corresponds to the basic structure of those of Figures 1 and 2, but also has frontally a Mattertragerplatte PL and a Detonationswellenscher DWL on.
  • the booster charge B radially initiates 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 effective 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 is very similar to the embodiment of Figure 2. It is thus a controlled decomposition of the splitter.
  • ignition chains can also be provided in the active charge, as shown in FIGS. 5 and 6.
  • a transformer plate PL and a detonation waveguide DWL are provided in the same way.
  • the ignition chain ZK 1 initiates according to Figure 5, the Sprinterplatte 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. 1 Another embodiment of the same principle is shown by way of example in FIG.
  • a third ignition ZK 3 is 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 possible solution is shown in FIGS. 8 and 9.
  • the structure of the effective charge again corresponds to those embodiments with a Götragerladung.
  • the initiation via the front-side ignition chain ZK 1 has already been described.
  • 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 be in an advantageous Way be chosen very different, so that the angle is relatively small, as indicated in Figure 8. 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 shows a variant with frontal initiation to FIG. 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. 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.
  • FIGS. 10 and 11 show possible locations for the asymmetric initiation by means of the ignition chain ZK A. Other variants in terms of the arrangement and the geometric distribution are conceivable.
  • FIG. 10 shows by way of example a longitudinal section through such an arrangement and FIG. 11 a section through the aforementioned 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)
  • Automotive Seat Belt Assembly (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Working Measures On Existing Buildindgs (AREA)
EP20070019784 2006-10-12 2007-10-10 Charge d'action cylindrique Expired - Fee Related 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 true EP1912037A1 (fr) 2008-04-16
EP1912037B1 EP1912037B1 (fr) 2010-04-21

Family

ID=38859041

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20070019784 Expired - Fee Related EP1912037B1 (fr) 2006-10-12 2007-10-10 Charge d'action cylindrique

Country Status (2)

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EP (1) EP1912037B1 (fr)
DE (2) DE102006048299B3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2154470A1 (fr) 2008-08-14 2010-02-17 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Chargement explosif cylindrique commutable
EP2194354A3 (fr) * 2008-12-05 2013-07-03 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Procédé et dispositif pour la génération d'éclats à dimensions différentes
EP3029012A3 (fr) * 2014-12-06 2016-08-24 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Dispositif d'initiation commandee de la deflagration d'une charge explosive
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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009017160B3 (de) 2009-04-09 2010-08-19 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Zerlegevorrichtung für die Sprengladung eines Gefechtskopfes
DE102010048570B4 (de) 2010-10-18 2014-10-30 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
DE102011010351A1 (de) 2011-02-04 2012-08-09 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
NO2731949T3 (fr) 2015-08-08 2018-09-01

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3565009A (en) 1969-03-19 1971-02-23 Us Navy Aimed quadrant warhead
DE2807280A1 (de) * 1978-02-21 1982-08-19 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Sprengladung fuer gefechtskoepfe, streuminen oder dergleichen munition
US4768440A (en) * 1986-05-23 1988-09-06 Matra Warhead for missiles
US4848239A (en) * 1984-09-28 1989-07-18 The Boeing Company Antiballistic missile fuze
DE10008914A1 (de) 2000-02-25 2001-09-06 Daimler Chrysler Ag Sprengladung für einen Gefechtskopf
WO2001079780A1 (fr) 2000-04-13 2001-10-25 Tdw Gesellschaft Für Verteidigungstechnische Wirksysteme Ogive explosive destinee a lutter contre les cibles techniques
WO2002003015A1 (fr) 2000-07-03 2002-01-10 Bofors Defence Ab Dispositif d'adaptation d'une unite de munition pour differents types de cibles et de situations
FR2840976A1 (fr) 2002-06-18 2003-12-19 Tdw Ges Fur Verteidigungstechn Charge de fractionnement pour obus
FR2897152A1 (fr) * 1987-08-25 2007-08-10 Thomson Brandt Armements Sa Charge explosive generatrice d'eclats pre-fragmentes a gerbe focalisee et son dispositif d'amorcage
DE102006018687A1 (de) 2006-04-21 2007-11-08 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Umschaltbare Ladung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2678723B1 (fr) * 1981-06-26 1993-11-12 Etat Francais Projectile explosif, notamment anti-aerien, comprenant une charge a effet directionnel rotatif.
DE10025055C2 (de) * 2000-05-23 2003-12-24 Eads Deutschland Gmbh Splittererzeugender Gefechtskopf zur Bekämpfung halbharter technischer Ziele
SE518526C2 (sv) * 2000-07-03 2002-10-22 Bofors Weapon Sys Ab För ammunitionsenhet avsedd laddningsenhet

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3565009A (en) 1969-03-19 1971-02-23 Us Navy Aimed quadrant warhead
DE2807280A1 (de) * 1978-02-21 1982-08-19 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Sprengladung fuer gefechtskoepfe, streuminen oder dergleichen munition
US4848239A (en) * 1984-09-28 1989-07-18 The Boeing Company Antiballistic missile fuze
US4768440A (en) * 1986-05-23 1988-09-06 Matra Warhead for missiles
FR2897152A1 (fr) * 1987-08-25 2007-08-10 Thomson Brandt Armements Sa Charge explosive generatrice d'eclats pre-fragmentes a gerbe focalisee et son dispositif d'amorcage
DE10008914A1 (de) 2000-02-25 2001-09-06 Daimler Chrysler Ag Sprengladung für einen Gefechtskopf
WO2001079780A1 (fr) 2000-04-13 2001-10-25 Tdw Gesellschaft Für Verteidigungstechnische Wirksysteme Ogive explosive destinee a lutter contre les cibles techniques
WO2002003015A1 (fr) 2000-07-03 2002-01-10 Bofors Defence Ab Dispositif d'adaptation d'une unite de munition pour differents types de cibles et de situations
FR2840976A1 (fr) 2002-06-18 2003-12-19 Tdw Ges Fur Verteidigungstechn Charge de fractionnement pour obus
DE102006018687A1 (de) 2006-04-21 2007-11-08 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Umschaltbare Ladung

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2154470A1 (fr) 2008-08-14 2010-02-17 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Chargement explosif cylindrique commutable
EP2194354A3 (fr) * 2008-12-05 2013-07-03 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Procédé et dispositif pour la génération d'éclats à dimensions différentes
EP3029012A3 (fr) * 2014-12-06 2016-08-24 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Dispositif d'initiation commandee de la deflagration d'une charge explosive
US9829297B2 (en) 2014-12-06 2017-11-28 TDW Gesellschaft fuer verteidgungstechnische Wirksysteme mbH Device for the controlled initiation of the deflagration of an explosive charge
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

Also Published As

Publication number Publication date
EP1912037B1 (fr) 2010-04-21
DE502007003492D1 (de) 2010-06-02
DE102006048299B3 (de) 2008-09-25

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