EP3351890A1 - Variantes de chargement commutables pourvues d'inserts à motif de trou - Google Patents

Variantes de chargement commutables pourvues d'inserts à motif de trou Download PDF

Info

Publication number: EP3351890A1
Authority: EP; European Patent Office
Prior art keywords: holder; active charge; cylindrical active; switchable; charge according
Prior art date: 2014-03-19
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

EP18162152.5A

Other languages

German (de)

English (en)

Other versions

EP3351890B1 (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.)

2014-03-19

Filing date

2015-03-17

Publication date

2018-07-25

2015-03-17 Application filed by TDW Gesellschaft fuer Verteidigungstechnische Wirksysteme mbH filed Critical TDW Gesellschaft fuer Verteidigungstechnische Wirksysteme mbH

2018-07-25 Publication of EP3351890A1 publication Critical patent/EP3351890A1/fr

2019-11-06 Application granted granted Critical

2019-11-06 Publication of EP3351890B1 publication Critical patent/EP3351890B1/fr

Status Active legal-status Critical Current

2035-03-17 Anticipated expiration legal-status Critical

Links

238000005474 detonation Methods 0.000 claims description 42
239000000463 material Substances 0.000 claims description 28
239000002360 explosive Substances 0.000 claims description 24
239000002184 metal Substances 0.000 claims description 16
229910052751 metal Inorganic materials 0.000 claims description 16
230000001154 acute effect Effects 0.000 claims description 2
238000013016 damping Methods 0.000 claims 1
206010041662 Splinter Diseases 0.000 description 22
239000002245 particle Substances 0.000 description 18
238000000034 method Methods 0.000 description 17
239000008188 pellet Substances 0.000 description 17
230000000977 initiatory effect Effects 0.000 description 14
230000035939 shock Effects 0.000 description 14
238000005516 engineering process Methods 0.000 description 11
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
238000010276 construction Methods 0.000 description 6
238000000354 decomposition reaction Methods 0.000 description 6
229910052760 oxygen Inorganic materials 0.000 description 6
239000001301 oxygen Substances 0.000 description 6
238000006243 chemical reaction Methods 0.000 description 5
239000012634 fragment Substances 0.000 description 4
150000002739 metals Chemical class 0.000 description 4
238000009304 pastoral farming Methods 0.000 description 4
238000006073 displacement reaction Methods 0.000 description 3
230000000694 effects Effects 0.000 description 3
238000002474 experimental method Methods 0.000 description 3
238000013467 fragmentation Methods 0.000 description 3
238000006062 fragmentation reaction Methods 0.000 description 3
239000004033 plastic Substances 0.000 description 3
229920003023 plastic Polymers 0.000 description 3
230000035945 sensitivity Effects 0.000 description 3
239000004809 Teflon Substances 0.000 description 2
229920006362 Teflon® Polymers 0.000 description 2
230000009471 action Effects 0.000 description 2
150000001875 compounds Chemical class 0.000 description 2
238000004200 deflagration Methods 0.000 description 2
238000002156 mixing Methods 0.000 description 2
230000005855 radiation Effects 0.000 description 2
238000004088 simulation Methods 0.000 description 2
239000003832 thermite Substances 0.000 description 2
230000001960 triggered effect Effects 0.000 description 2
229910000831 Steel Inorganic materials 0.000 description 1
230000001133 acceleration Effects 0.000 description 1
230000008901 benefit Effects 0.000 description 1
238000005422 blasting Methods 0.000 description 1
230000008859 change Effects 0.000 description 1
230000001934 delay Effects 0.000 description 1
239000003999 initiator Substances 0.000 description 1
230000007246 mechanism Effects 0.000 description 1
150000002736 metal compounds Chemical class 0.000 description 1
229910001507 metal halide Inorganic materials 0.000 description 1
150000005309 metal halides Chemical class 0.000 description 1
239000002923 metal particle Substances 0.000 description 1
239000000203 mixture Substances 0.000 description 1
239000007800 oxidant agent Substances 0.000 description 1
230000001902 propagating effect Effects 0.000 description 1
230000009467 reduction Effects 0.000 description 1
238000005245 sintering Methods 0.000 description 1
238000001228 spectrum Methods 0.000 description 1
239000010959 steel Substances 0.000 description 1

Images

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 facilitate the punctiform initiation by the higher impedance (density multiplied by shock wave velocity).
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 discussed in Figure 8.
this method can also be combined with the asymmetrical holes with the tapering of the holes discussed above or with the bridge method.
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).
the detonation front does not come head-on, but grazing (sh. Fig. 10 right: at the front side ignition with ZK1), so no particle beams (or at least only those of lesser intensity) are formed, which are not sufficient to change the K-splinters in their integrity, that is they fly away as whole undivided splinters. So you can switch back and forth between two splitter modes:
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 is now sintered from reactive material in such a way that it is subdivided by the activated particle beam or, when the hole pattern is closed, it is not exposed to this particle beam 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)

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

Applications Claiming Priority (2)

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)
EP15000787.0A EP2921813B1 (fr)	2014-03-19	2015-03-17	Variantes de charge réglables avec inserts perforés

Related Parent Applications (2)

Application Number	Title	Priority Date	Filing Date
EP15000787.0A Division EP2921813B1 (fr)	2014-03-19	2015-03-17	Variantes de charge réglables avec inserts perforés
EP15000787.0A Division-Into EP2921813B1 (fr)	2014-03-19	2015-03-17	Variantes de charge réglables avec inserts perforés

Publications (2)

Publication Number	Publication Date
EP3351890A1 true EP3351890A1 (fr)	2018-07-25
EP3351890B1 EP3351890B1 (fr)	2019-11-06

Family

ID=52784873

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 Before (1)

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

Country Status (2)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NO2731949T3 (fr)	2015-08-08	2018-09-01
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

2014
- 2014-03-19 DE DE102014003893.9A patent/DE102014003893A1/de not_active Withdrawn
2015
- 2015-03-17 EP EP15000787.0A patent/EP2921813B1/fr not_active Not-in-force
- 2015-03-17 EP EP18162152.5A patent/EP3351890B1/fr active Active

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

Also Published As

Publication number	Publication date
DE102014003893A1 (de)	2015-09-24
EP2921813B1 (fr)	2018-09-26
EP3351890B1 (fr)	2019-11-06
EP2921813A1 (fr)	2015-09-23

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