EP2921813A1 - Variantes de charge réglables avec inserts perforés - Google Patents

Variantes de charge réglables avec inserts perforés Download PDF

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Publication number
EP2921813A1
EP2921813A1 EP15000787.0A EP15000787A EP2921813A1 EP 2921813 A1 EP2921813 A1 EP 2921813A1 EP 15000787 A EP15000787 A EP 15000787A EP 2921813 A1 EP2921813 A1 EP 2921813A1
Authority
EP
European Patent Office
Prior art keywords
holder
active charge
cylindrical active
switchable
splitter
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
EP15000787.0A
Other languages
German (de)
English (en)
Other versions
EP2921813B1 (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.)
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Publication date
Application filed by TDW Gesellschaft fuer Verteidigungstechnische Wirksysteme mbH filed Critical TDW Gesellschaft fuer Verteidigungstechnische Wirksysteme mbH
Priority to EP18162152.5A priority Critical patent/EP3351890B1/fr
Publication of EP2921813A1 publication Critical patent/EP2921813A1/fr
Application granted granted Critical
Publication of EP2921813B1 publication Critical patent/EP2921813B1/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

  • HE High Explosive pellets
  • the design parameters have to be adapted to the new situation. So the functionality goes back, if the hole size has fallen below a certain critical threshold. Typical hole sizes are about 5 mm, but this also depends on the outer explosive charge: initiation sensitivity and mechanical strength. In general, it can be said that (as with the HE pellets), the entire initiator system now has to be parametrically matched to one another for the "air pellets".
  • the big advantage of the new method is that you no longer need to fill the holes with explosive charge, which saves time and money.
  • Figure 2 shows a sketch (cross section) of a possible charge design with an integrated shadow mask.
  • the two indicated ignition chains (ZK1 and ZK2) allow the above-mentioned switchability.
  • the various explosive charges HE for booster, transformer plate, outer explosive charge layer and inner main charge
  • Figure 4 shows sections of the shadow mask and at the same sketchy sketch indicates the rotation or displacement of the two hollow cylinders relative to each other, whose functionality is now described.
  • the above-described hollow cylinder with the drilled holes was supplemented by another.
  • One of the two hollow cylinders is provided with a rotating and / or sliding mechanism, so that both cylinders can be rotated relative to one another peripherally or axially displaced.
  • Figure 5 indicates such a possibility.
  • the holes taper from the larger diameter D towards the outer explosive charge, to the smaller diameter d.
  • the swath flow is now slowed down and mitigated.
  • this reduction is different and can thus be adapted to the sensitivity of the explosive charge.
  • Another possible embodiment is, if one closes the holes with webs / "grafting" at the end of the channel, as in Figure 6 outlined as an example. Then the swath flow is stopped and transferred into a shock wave through this web. On the other hand, then the explosive is initiated by this shock wave.
  • the bar can be integrated directly into the pellet holder and made of the same material. But it can also be made of denser material (eg metals such as steel) and then by the higher impedance (density multiplied by shock wave velocity) the point-like initiation facilitate.
  • the "plug" can also be designed as a flying plate, the hole then serves as an acceleration tube. Further embodiments of this method are conceivable, but should not be further elaborated here.
  • Figure 7 shows a sketch (cross-section) of a further charge design with an integrated shadow mask, but this time with asymmetric holes relative to the detonation front.
  • the second middle detonation chain has been replaced by a second front detonation chain.
  • the direction of the detonation front can now be selected via the ignition of ZK1 or ZK2.
  • the different functionality of the holes depending on the direction of the detonation front is in Figure 8 discussed.
  • this method can also be combined with the asymmetrical holes with the tapering of the holes discussed above or with the bridge method.
  • the methods with the shadow masks are described here in radial charge configurations with cylindrical metal sheaths. However, they can also be used in axial charge configurations with metal assignments (disk-shaped). The procedure for the axial application is analogous to the radial application discussed in detail herein, and therefore will not be discussed further.
  • the fast particle beams for explosive charge initiation, they can also be used for splitter sub-decomposition.
  • the hole cylinder is enlarged in diameter and brought directly into contact with the outer metal shell ( Figure 9 ).
  • This consists not now of a continuous metal shell, but rather of individual preformed splinters.
  • the number and pattern of the preformed construction splitter (K-splitter) of the charge jacket harmonize with those of the holes in the shadow mask, so that each individual splitter is acted upon by a particle beam.
  • K-splitters The material quality of these K-splitters is matched to the intensity of the particle beams, so that a direct application of the "hard” particle beam completely subdivides the K-splitters. Experiments have shown that this sintered metals are particularly well suited. The sintering can be adjusted so ("weak") that the cohesion of the sintered particles is not sufficient to survive such aggressive radiation (see. Fig. 10 left: at central initiation with ZK2).
  • Very small splinters have a large surface / volume ratio and are therefore slowed down in the air very quickly, whereas large K-splinters largely unchecked and thus fly very far. That You can switch the effective radius in large limits (for example, 100 m vs. 2000 m).
  • FIG. 11 Another embodiment of this design is in Figure 11 outlined. This time, the design of the holes in the shadow mask is not symmetrical, but asymmetrical with respect to the directions of the two detonation fronts. The central ignition chain was replaced by an opposite frontal ignition chain.
  • Figure 12 shows sections of the shadow mask of Figure 11 and outlines the different mode of action of the holes, depending on which ZK was ignited, ie from which direction the detonation fronts come (dashed, whose propagation is indicated by numbers).
  • the particle beams from the detonation front can flow into the holes facing the front ( Fig. 12 Left).
  • the brittle and porous splinter material does not withstand this load, it disassembles.
  • the particle beam would have to flow around corners of almost 180 °, which is not possible. Rather, the pressure load on the shadow mask in the region of the holes is so large that the mask material (plastics or low-strength metals) flows away and closes the holes. There is no high radiation load due to the swath particles and the fragment remains integer and flies away as a whole.
  • the various switchable technologies mentioned above provide possibilities for leaving intact or subdividing sintered splinters.
  • the splitter will now turn off Reactive material sintered so that it is subzero by the activated particle beam, or in closed hole pattern, this particle beam is not exposed and therefore remains intact.
  • a thorough sub-decomposition is necessary, if you want to let the generated reactive metal particles with the Lucassaurestoff abreact.
  • the shock wave heats up the material to the extent that the reaction is triggered with the oxygen.
  • Figure 14 outlined (exemplarily for all other possible combinations) an action system that combines the switchability with the shadow mask method (as described in Section 3.2), with the scalability already known from the art, using an integrated detonation cord.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
EP15000787.0A 2014-03-19 2015-03-17 Variantes de charge réglables avec inserts perforés Not-in-force EP2921813B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18162152.5A EP3351890B1 (fr) 2014-03-19 2015-03-17 Variantes de charge commutables pourvues d'inserts à motif de trou

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014003893.9A DE102014003893A1 (de) 2014-03-19 2014-03-19 Umschaltbare Ladungsvarianten mit Lochmuster-Einlagen und alternativ mit Reaktiven Struktur-Materialien (RSM)

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP18162152.5A Division EP3351890B1 (fr) 2014-03-19 2015-03-17 Variantes de charge commutables pourvues d'inserts à motif de trou
EP18162152.5A Division-Into EP3351890B1 (fr) 2014-03-19 2015-03-17 Variantes de charge commutables pourvues d'inserts à motif de trou

Publications (2)

Publication Number Publication Date
EP2921813A1 true EP2921813A1 (fr) 2015-09-23
EP2921813B1 EP2921813B1 (fr) 2018-09-26

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP15000787.0A Not-in-force EP2921813B1 (fr) 2014-03-19 2015-03-17 Variantes de charge réglables avec inserts perforés
EP18162152.5A Active EP3351890B1 (fr) 2014-03-19 2015-03-17 Variantes de charge commutables pourvues d'inserts à motif de trou

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP18162152.5A Active EP3351890B1 (fr) 2014-03-19 2015-03-17 Variantes de charge commutables pourvues d'inserts à motif de trou

Country Status (2)

Country Link
EP (2) EP2921813B1 (fr)
DE (1) DE102014003893A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3130882A1 (fr) * 2015-08-08 2017-02-15 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Procede et dispositif de commande du type de puissance et emission de puissance d'une ogive nucleaire

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019201176A1 (de) * 2019-01-30 2020-07-30 Atlas Elektronik Gmbh Kampfmittel mit einem Deflagrations-Zündmittel und Verfahren zum Betreiben eines solchen Kampfmittels
DE102019003222B4 (de) 2019-05-07 2022-07-14 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Laserinitiierter Gefechtskopf

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3510431A1 (de) * 1985-03-22 1986-10-02 Christoph Dr. 8898 Schrobenhausen Helwig Gefechtskopf, insbesondere fuer anti-schiffs-raketen, zur erzeugung von definierten splittern
DE102006048299B3 (de) 2006-10-12 2008-09-25 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Zylindrische Wirkladung
EP2194354A2 (fr) * 2008-12-05 2010-06-09 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Procédé et dispositif pour la génération d'éclats à dimensions différentes
EP2312259A1 (fr) 2006-04-21 2011-04-20 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Charge réglable
EP2442065A2 (fr) * 2010-10-18 2012-04-18 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Charge active commutable
DE102010048570A1 (de) 2010-10-18 2012-04-19 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Umschaltbare Wirkladung
US8272329B1 (en) * 2011-07-28 2012-09-25 The United States Of America As Represented By The Secretary Of The Army Selectable lethality warhead patterned hole fragmentation insert sleeves
US8522685B1 (en) * 2010-02-22 2013-09-03 The United States Of America As Represented By The Secretary Of The Army Multiple size fragment warhead

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3510431A1 (de) * 1985-03-22 1986-10-02 Christoph Dr. 8898 Schrobenhausen Helwig Gefechtskopf, insbesondere fuer anti-schiffs-raketen, zur erzeugung von definierten splittern
EP2312259A1 (fr) 2006-04-21 2011-04-20 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Charge réglable
DE102006048299B3 (de) 2006-10-12 2008-09-25 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Zylindrische Wirkladung
EP2194354A2 (fr) * 2008-12-05 2010-06-09 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Procédé et dispositif pour la génération d'éclats à dimensions différentes
US8522685B1 (en) * 2010-02-22 2013-09-03 The United States Of America As Represented By The Secretary Of The Army Multiple size fragment warhead
EP2442065A2 (fr) * 2010-10-18 2012-04-18 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Charge active commutable
DE102010048570A1 (de) 2010-10-18 2012-04-19 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Umschaltbare Wirkladung
US8272329B1 (en) * 2011-07-28 2012-09-25 The United States Of America As Represented By The Secretary Of The Army Selectable lethality warhead patterned hole fragmentation insert sleeves

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3130882A1 (fr) * 2015-08-08 2017-02-15 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Procede et dispositif de commande du type de puissance et emission de puissance d'une ogive nucleaire
US9903692B2 (en) 2015-08-08 2018-02-27 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Method and device for controlling the power type and power emission of a warhead

Also Published As

Publication number Publication date
DE102014003893A1 (de) 2015-09-24
EP3351890A1 (fr) 2018-07-25
EP3351890B1 (fr) 2019-11-06
EP2921813B1 (fr) 2018-09-26

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