EP2239536B1 - Système d'allumage réglable pour une tête militaire - Google Patents

Système d'allumage réglable pour une tête militaire Download PDF

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Publication number
EP2239536B1
EP2239536B1 EP10003729.0A EP10003729A EP2239536B1 EP 2239536 B1 EP2239536 B1 EP 2239536B1 EP 10003729 A EP10003729 A EP 10003729A EP 2239536 B1 EP2239536 B1 EP 2239536B1
Authority
EP
European Patent Office
Prior art keywords
explosive charge
charge
fragmenting
principal axis
warhead
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
EP10003729.0A
Other languages
German (de)
English (en)
Other versions
EP2239536A3 (fr
EP2239536A2 (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 EP2239536A2 publication Critical patent/EP2239536A2/fr
Publication of EP2239536A3 publication Critical patent/EP2239536A3/fr
Application granted granted Critical
Publication of EP2239536B1 publication Critical patent/EP2239536B1/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
    • 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
    • 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

Definitions

  • the invention relates to a switchable cylindrical active charge of a warhead with a splitter-forming shell and with a disposed within the explosive charge tubular support for a plurality of distributed pellets, as well as at least one ignition device for the active charge.
  • the DE 10 2006 048 299 B3 relates to a switchable cylindrical active charge of a warhead according to the preamble of the independent claims, comprising a shatter-forming casing and a tubular support for a plurality of distributed pellets disposed within the explosive charge and a cavity extending along the major axis, in which either at least one ignition device mounted displaceably therein or at least two stationary ignition devices are provided.
  • a plate-shaped Kochtragerladung is arranged, which is provided with a detonation waveguide, which causes in the case of their ignition extending approximately perpendicular to the holder front of the detonation wave. This can affect the formation of the splitter, a power control of the active charge is not provided.
  • the DE 102 27 002 A1 describes a warhead having a disassembling charge that is, for example, aligned with and disassembles the main charge. Only with the help of further measures, a deflagration can be achieved, in which position a considerable space in the warhead is necessary. Furthermore, only one type of splitter can be produced with the main charge, since the warhead casing in the area of the macerating charge is to consist of plastic, which forms only ballistically ineffective splinters. If the cutting charge described here on the above Warhead would be applied eliminates the possibility of controlling the fragment size.
  • the SE 9 101 998 A a warhead with a penetrator, which is preceded by an annular cutting charge.
  • Such a cutting charge is not suitable for effecting a controlled performance degradation of a warhead including control of the splitter size.
  • This object is achieved in a structurally simple manner in that at a spaced apart from the ignition devices end face of the active charge in the region of a circular line around the main axis and between the cavity and the tubular support a plurality of uniformly distributed arranged on the effective charge projectiles or splinters forming charges is arranged, which are ignitable at a time adjustable in relation to the ignition time of the effective charge point and that the intensity of the ignited projectile or splinter-forming charges is limited to the deflagrative initiation of the active charge or its decomposition.
  • the intensity of the ignited projectiles or splinter-forming charges is limited to the deflagrative initiation of the active charge or its decomposition.
  • a single projectile or fragment forming charge can also be used one which has an annular continuous liner and thus is effective as a kind of annular cutting charge.
  • This device realizes in a simple way both the setting of the power delivered by the active charge, as well as influencing the size of the generated splitter, the latter is also possible in combination with the reduced power of the active charge.
  • the device according to the invention can be used in the same way for smooth, unnotched / continuous casings, as well as for casings with preformed splinters of an active charge. Finally, pre-scored or provided with a pre-scored inner shell cases can be used.
  • a further advantageous design of the device according to the invention is that instead of the plurality of projectiles or splinters forming charges an annular and aligned to the effective charge and splitter forming ring charge is provided.
  • FIG. 1 shows simplified a switchable active charge 1, the radial effect can be changed depending on the local conditions at the site. According to the invention, it is simultaneously possible to adjust the power of the active charge within wide limits.
  • an active charge 1 is shown with a cylindrical holder PH for a multiplicity of distributed pellets PE.
  • optionally stationary ignition chains ZK1, ZK2 can be used, which are arranged on the main axis 2 of the active charge 1 and optionally in the central cavity 3 of the active charge 1.
  • a firing chain ZK2 which can be longitudinally displaced within the cavity 3.
  • the splinter-forming shell 7 is shown as a non-pre-scored metal shell 7, which may be made for example of steel or heavy metal. Alternatively, the shell may also be made of preformed splinters, again preferably using the aforementioned materials.
  • the central area of the active charge is deliberately released as a cavity. He is needed for the intended at least partial disassembly of the active charge 1, so that the debris of the disassembled active charge this cavity for the Can use volume compensation.
  • the cavity 3 is used when using a longitudinally displaceable in the arrow direction ZK1 ignition chain.
  • the components of the active charge 1 are in the FIG. 1 shown to the right of the section line AA. To the left of this section line are the components of the Zerlegerladung 5. This is an additional component that is attached to the front side of the active charge 1. Its purpose is the mechanical decomposition or chemical conversion of any part of the explosive charge in a low-order reaction.
  • the Zerlegerladung 5 has for this purpose a plurality of splinters or projectile-forming charges 5, which are initiated at the same time.
  • the ignition device is in the FIG. 1 designated ZK3. These charges are arranged in a holder 6, which consists of shock absorbing material.
  • the active charge is a launchable ammunition
  • ZK3 arrows are drawn with the preferred direction of acceleration when launching the ammunition.
  • FIG. 2 Examples of different designs of the Zerlegerladung 5 are shown.
  • the design possibility of the Zerlegerladung is not limited to these embodiments.
  • the above example of a bursting charge 5 is designed for the formation of a number of Explosively Formed Projectiles (EFP).
  • EFP Explosively Formed Projectiles
  • the required dome-shaped deposits 8a of the individual projectile-forming charges 5b, 5c, 5d ... may be formed, for example, Armco-iron.
  • the middle example in the FIG. 2 has funnel-shaped inserts 8b for forming spiky projectiles MFS.
  • Inserts made of copper without the choice of materials would be limited.
  • the number of six projectile-forming charges 5b, 5c, 5d ... shown in the two aforementioned examples is not a mandatory specification.
  • annular charge 5a instead of the individual charges, an annular charge 5a, with an approximately flat insert 8c in the example, is used to produce many splinters SPL.
  • Decisive in the design of the projectile or splinter-forming charges is that at least one selectable part of the explosive charge 1 by their action at least mechanically and maximally in a weak chemical reaction, for example in the form of deflagration, decomposed or implemented.
  • FIG. 3 an arrangement is shown in which the active charge gives its full power and so-called natural splinters are formed.
  • the ignition chain ZK 2 arranged on the far right in the drawing is initiated at time t 1 while the ignition chain ZK 3 of the disintegrating charge 5 is not activated.
  • the successive positions of the developing detonation front are designated by the reference numerals 10 to 40 according to their chronological order.
  • the detonation front strikes grazing on the holder 6 of the pellets PE and also on the shell 7 of the explosive charge 1. Due to the grazing incidence of the detonation wave, the ignition of the pellets PE takes place successively simultaneously with the detonation of the actual Explosive charge instead. As a result, the pellets PE lose their function of forming pressure peaks. As a result, the shell 7 is decomposed into natural splinters NSPL of different sizes, which results randomly.
  • the representation in FIG. 4 is based on the same arrangement as in the FIG. 3 is shown.
  • the ignition chain ZK 3 of the Zerlegerladung 5 is ignited as the first time t 1 .
  • the bursting charge 5 for example, EFP projectiles generated on the front side of the explosive charge 1, which corresponds to the section AA, penetrate into this.
  • the explosive charge is successively - in the drawing from left to right - disassembled. This happens either mechanically or chemically at a low energy level (deflagrative).
  • the central cavity 3 serves as a compensation space for receiving explosive charge remnants.
  • the density of the explosive charge drops below a critical value. Below this value, the explosive charge is no longer capable of detonation.
  • the ignition chain ZK 2 of the explosive charge 1 is also initiated and the detonation waves 10 - 30 propagate as described above.
  • the shell 7 is decomposed into natural fragments NSPL in the remaining part of the explosive charge 1.
  • the delay time .DELTA.t can be set in this way, the splitter and the blast performance between 0% and 100%.
  • the power of the active charge is thus adjustable within wide limits.
  • FIG. 5 shows a similar arrangement as the FIG. 1 , but with the difference that the ignition chain ZK 2 is now located approximately in the middle of the explosive charge 1. This can be done by moving the ignition chain ZK 2 out FIG. 1 have been achieved within the cavity 3. For another Also, for example, be arranged two stationary Zündketten in the described positions.
  • the detonation front 11, 21, 31 initially propagates in the case of initiation preferably radially with respect to the main axis 2. It finally reaches the holder 6 with the stored therein pellets PE, which are initiated by, whereas only a slower shock wave propagates through the holder in this way it is achieved that after the holder has many point-like in the explosive charge 1 propagating detonation fronts. Overlaying these fronts results in high pressure peaks.
  • the resulting shape of the detonation front 31 then leads in the shell 7 to a controlled decomposition, for example in the form of larger splinter KSPL.
  • the ignition chain ZK 3 of the Zerlegerladung 5 is not activated here. The performance of the explosive charge 1 is thus not metered.
  • the adjustability of the power is finally by means of an arrangement according to FIG. 6 possible.
  • the basic arrangement in FIG. 6 corresponds to that of FIG. 5 ,
  • the ignition chain ZK 3 is activated, which - similar to already FIG. 4 described by means of example here the projectile EFP from the front side of the explosive charge 1 decomposed.
  • the splintering and blasting performance of the explosive charge 1 can be varied from 0% to 100%.
  • the position of the ignition chain ZK 2 in FIG. 6 does not necessarily have to be in the middle. It may also be off-center to the right of the central position, if more than 50% of the explosive charge 1 are to be mechanically or deflagratively disassembled. This then affects the performance range from 0% to 50%.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Claims (4)

  1. Charge active cylindrique permutable d'une ogive comprenant une gaine formant des fragments et comprenant un support de forme tubulaire disposé à l'intérieur de la charge explosive pour une pluralité de pastilles disposées de manière distribuée, un espace creux qui s'étend le long de l'axe principal de la charge active étant présent dans la charge active, dans lequel est disposé au moins un dispositif d'allumage (ZK2) monté coulissant dans celui-ci ou sont disposés deux dispositifs d'allumage (ZK1, ZK2) fixes dans la zone de l'axe principal,
    caractérisée en ce que
    une pluralité de charges (5) formant des projectiles ou des fragments de forme identique, disposées de manière distribuée et orientées sur la charge active (1) entre l'espace creux (3) et le support de forme tubulaire (PH) sont disposées au niveau d'un côté frontal (4) de la charge active (1), espacé de l'au moins un dispositif d'allumage (ZK2) monté coulissant ou des deux dispositifs d'allumage (ZK1, ZK2) fixes, dans la zone d'une ligne circulaire autour de l'axe principal (2),
    lesquelles peuvent être allumées à un instant (t1) réglable par rapport à l'instant d'allumage (t2) de la charge active (1) ; et
    l'intensité des charges formant des projectiles ou des fragments allumées est limitée à l'amorçage en déflagration de la charge active (1) ou sa destruction.
  2. Charge active cylindrique permutable selon la revendication 1, les charges (5) formant des projectiles ou des fragments étant entourées par un support (6) qui amortit les ondes de choc.
  3. Charge active cylindrique permutable selon la revendication 1 ou 2, la gaine (7) formant des fragments étant non entaillée/continue ou garnie de fragments préformés.
  4. Charge active cylindrique permutable d'une ogive comprenant une gaine formant des fragments et comprenant un support de forme tubulaire disposé à l'intérieur de la charge explosive pour une pluralité de pastilles disposées de manière distribuée, un espace creux qui s'étend le long de l'axe principal de la charge active étant présent dans la charge active, dans lequel est disposé au moins un dispositif d'allumage (ZK2) monté coulissant dans celui-ci ou sont disposés deux dispositifs d'allumage (ZK1, ZK2) fixes dans la zone de l'axe principal,
    caractérisée en ce que
    une charge annulaire (5a) formant des fragments, de forme annulaire et orientée sur la charge active entre l'espace creux (3) et le support de forme tubulaire (PH) est présente au niveau d'un côté frontal (4) de la charge active (1), espacé de l'au moins un dispositif d'allumage (ZK2) monté coulissant ou des deux dispositifs d'allumage (ZK1, ZK2) fixes, dans la zone d'une ligne circulaire autour de l'axe principal (2), laquelle peut être allumée à un instant (t1) réglable par rapport à l'instant d'allumage (t2) de la charge active (1); et
    l'intensité de la charge annulaire (5a) est limitée à l'amorçage en déflagration de la charge active (1) ou sa destruction.
EP10003729.0A 2009-04-09 2010-04-07 Système d'allumage réglable pour une tête militaire Not-in-force EP2239536B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009017160A DE102009017160B3 (de) 2009-04-09 2009-04-09 Zerlegevorrichtung für die Sprengladung eines Gefechtskopfes

Publications (3)

Publication Number Publication Date
EP2239536A2 EP2239536A2 (fr) 2010-10-13
EP2239536A3 EP2239536A3 (fr) 2014-04-02
EP2239536B1 true EP2239536B1 (fr) 2017-12-27

Family

ID=42244140

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10003729.0A Not-in-force EP2239536B1 (fr) 2009-04-09 2010-04-07 Système d'allumage réglable pour une tête militaire

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EP (1) EP2239536B1 (fr)
DE (1) DE102009017160B3 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE102012006044B3 (de) 2012-03-27 2013-03-21 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Verfahren und Vorrichtung zur Messung des Verlaufs einer Deflagrationsfront in einem zylindrischen Gefechtskopf mit wenigstens zwei Zündeinrichtungen
DE102013011404B4 (de) * 2013-07-09 2015-03-19 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Verfahren und Vorrichtung zur Leistungssteuerung eines Wirksystems
DE102013011786A1 (de) * 2013-07-15 2015-01-15 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Vorrichtung zur gesteuerten Initiierung der Deflagration einer Sprengladung
DE102014004003B3 (de) 2014-03-20 2014-10-30 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Zündsystem für ein skalierbares Wirksystem
DE102014015877B3 (de) 2014-10-24 2015-08-20 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Einrichtung zur steuerbaren Druckentlastung eines Wirksystemes
DE102019201176A1 (de) * 2019-01-30 2020-07-30 Atlas Elektronik Gmbh Kampfmittel mit einem Deflagrations-Zündmittel und Verfahren zum Betreiben eines solchen Kampfmittels
DE102019111818A1 (de) * 2019-05-07 2020-11-12 Rheinmetall Waffe Munition Gmbh Neutralisierungskörper

Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
SE9101998L (en) * 1991-06-28 1992-12-29 Bofors Ab Destruction of military target having large inner volume - using shell or rocket with ring-shaped charge to penetrate outer protective wall and allow main charge to pass into target
DE10008914C2 (de) * 2000-02-25 2003-06-26 Tdw Verteidigungstech Wirksys Sprengladung für einen Gefechtskopf
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

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
DE102009017160B3 (de) 2010-08-19
EP2239536A3 (fr) 2014-04-02
EP2239536A2 (fr) 2010-10-13

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