EP2789964A1 - Corps actif pour la transformation au choix détonante, déflagrante ou détonante et déflagrante d'une masse active d'explosif - Google Patents
Corps actif pour la transformation au choix détonante, déflagrante ou détonante et déflagrante d'une masse active d'explosif Download PDFInfo
- Publication number
- EP2789964A1 EP2789964A1 EP14001254.3A EP14001254A EP2789964A1 EP 2789964 A1 EP2789964 A1 EP 2789964A1 EP 14001254 A EP14001254 A EP 14001254A EP 2789964 A1 EP2789964 A1 EP 2789964A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- active
- explosive
- charge
- deflagrative
- detonative
- 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
Links
- 239000002360 explosive Substances 0.000 title claims abstract description 71
- 238000005474 detonation Methods 0.000 title claims description 11
- 238000004200 deflagration Methods 0.000 title description 10
- 239000000463 material Substances 0.000 title description 4
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 3
- 238000010304 firing Methods 0.000 abstract description 9
- 239000011149 active material Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 9
- 230000000977 initiatory effect Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000001665 lethal effect Effects 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 231100000518 lethal Toxicity 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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
Definitions
- the invention relates to an active body for either detonative, deflagrative or detonative and deflagrative implementation of an explosive active material.
- the active body may be, for example, a warhead.
- Warrior heads should therefore be so adjustable in their performance that they only destroy the desired target and cause as little collateral damage as possible.
- a so-called GAP test is often carried out.
- a generally made of polymethyl methacrylate (PMMA) existing barrier layer is positioned between the explosives to be examined and a to be fired by a detonator boost.
- the boost charge is then detonated.
- a pressure wave is coupled into the layer, which is attenuated as it passes through the layer before it hits the explosive.
- the GAP test is carried out with different layer thicknesses of the barrier layer. In this case, the largest layer thickness at which the explosive is just detonated, and the lowest layer thickness at which just no detonation takes place, determined as a measure of the sensitivity of the explosive.
- an initiator for a warhead with an explosive charge with a first detonator firing chain for detonating initiation and a second detonator firing charge for deflagration initiation is known, the time delay ( ⁇ t) between firing times both ignition chains is adjustable. If the two ignition chains lie opposite one another with respect to the longitudinal axis of the explosive charge, the arbitrary adjustment of the deflagrating portion of the explosive charge between 0 and 100% can be achieved by a suitable choice of the two ignition times.
- the booster charge of the second ignition chain may be formed as a shaped charge. This generates a detonation penetrating into the explosive charge sting, which can cause a deflagration of the explosive charge.
- metal plates or similar materials can be connected upstream in order to reduce the spiked effect so that only one deflagration is triggered in the explosive charge.
- the second amplifier charge acts directly on the explosive charge despite the upstream materials in their detonation.
- From the DE 100 15 070 A1 is an explosive charge for a warhead known, in addition to the detonating chain for detonative initiation of the explosive charge has another detonation chain for deflagrativen initiation.
- the explosive charge is layered in the axial direction such that a first, third, etc. detonatively convertible explosive layer is followed by a second, fourth, etc. deflagratively convertible or inert layer.
- a long-range munition with a detonating chain for lethal self-decomposition which has a de-lethalization device designed to reduce the lethal effect or de-mortalize the munition.
- the de-Letalleiters worn can be activated by means of an activation device after completion of the ammunition in response to a changed situation assessment.
- the ammunition may have a long balancing arrow, which is designed to subdivide into shorter balancing arrows with predetermined breaking points and has associated explosive charges.
- Object of the present invention is to provide an alternative active body, which can be destroyed in the event of a mission abort to avoid damage in the original target area or its effect is scalable. Furthermore, a method for implementing an explosive active mass in the active body is to be specified, which allows a choice or scaling of the effect of the reaction.
- the object is solved by the features of claims 1 and 4. Advantageous embodiments will become apparent from the features of claims 2 and 3.
- an active body is provided for optionally detonative, deflagrative or detonative and deflagrative conversion of an explosive active mass.
- the explosive effect of the explosive active mass can be scaled. In an exclusively detonative implementation, the explosive effect is 100%, in an exclusively deflagrativen implementation the explosive effect is 0% and in a detonative and deflagrativen implementation, the explosive effect is greater, the greater the proportion of detonatively reacted explosive active material.
- the active body comprises the explosive active mass, an active explosive shell surrounding the explosive active mass and applied to the explosive active mass, a first firing chain with a first boost charge for triggering the detonative conversion, a dynamic charge for triggering the deflagrative reaction and at least one second firing chain with a second boost charge for firing the effective charge ,
- the active charge is part of a arranged on an outer side of the active body shell cutting charge for severing the active body shell and thereby successive coupling a pressure wave in the explosive active mass.
- the concerns of the active body shell of the explosive active mass may be a direct concern or indirect concern, for example via an intermediate layer of plastic. It is essential only that the pressure wave from the active body shell can be transferred to the explosives active mass.
- the cutting charge is a conventional cutting charge known from the prior art, as used for cutting through steel or reinforced concrete.
- this is dimensioned such that the energy level of the pressure wave coupled into the explosive active mass is sufficient only for the deflagrative conversion of the explosive active mass.
- this risk is significantly reduced, because it comes in the implementation of the explosive active mass to a pressure relief.
- the coupling of the pressure wave in the explosive active mass one can only deflagrative and non-detonative implementation can be ensured very reliably and with relatively little effort.
- the active body according to the invention makes it possible to initiate the deflagrative reaction of the explosive active material within a very short time in a relatively large area of the explosive active mass and thus implement the entire explosive active mass quickly deflagratively. This makes it possible, in the event of a desired mission abort, to destroy a warhead until shortly before its planned detonation while avoiding damage in the original target area. Furthermore, it is thus possible to scale the explosive effect of the active body so that only the desired destructive effect and no or only minor collateral damage occur.
- the cutting charge is arranged parallel to a body axis or along a circumference of the active body. Both arrangements allow an immediate pressure relief in the deflagrative implementation of the explosive active mass.
- the active body may comprise a means which allows a simultaneous or staggered ignition of the first and the second boost charge.
- the second boost charge can be ignited before or after the first boost charge.
- the invention further relates to a method for selectively detonative, deflagrative or detonative and deflagrative implementation of an explosive active material in a body of the invention, wherein the detonative reaction by igniting the first boost charge and the deflagrative reaction by igniting the active charge and thereby taking place a pressure wave in the explosive mass is effected, wherein the pressure wave arises when cutting the active body shell by means of the cutting charge.
- the introduction of the pressure wave allows a very accurate adjustment of the energy to be transmitted to the explosive active mass, so that very reliably only a deflagrative and non-detonatory successful implementation of the active mass can be initiated.
- Fig. 1 shows an active body according to the invention with an explosive active mass 10, which is contained in a working body shell 12. Furthermore, a first ignition chain 18 formed from a first detonator 14 and a first boost charge 16 is provided for igniting the explosive active mass 10. On the outside of the active body shell 12, a cutting charge 22 is arranged, which contains an active charge 24. The active charge 24 is ignited via a second detonator 20 and a second boost charge, not shown here comprising second ignition chain when the explosives active mass 10 is not destroyed or not only detonation, but deflagration or deflagration. The cutting charge 22 then cuts through the active body shell 12 and thereby causes the coupling of a pressure wave in the explosive active mass 10.
- Fig. 2 shows a section of the in Fig. 1 schematically shown active body in cross section.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013006477 | 2013-04-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2789964A1 true EP2789964A1 (fr) | 2014-10-15 |
EP2789964B1 EP2789964B1 (fr) | 2015-07-15 |
Family
ID=50442316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14001254.3A Active EP2789964B1 (fr) | 2013-04-13 | 2014-04-04 | Corps actif pour la transformation au choix détonante, déflagrante ou détonante et déflagrante d'une masse active d'explosif |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP2789964B1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019003554B4 (de) | 2019-05-21 | 2021-10-21 | Bundesrepublik Deutschland, vertreten durch das Bundesministerium der Verteidigung, dieses vertreten durch das Bundesamt für Ausrüstung, Informationstechnik und Nutzung der Bundeswehr | Skalierbarer Ladungsträger |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014014332B3 (de) * | 2014-10-01 | 2016-03-17 | TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH | Vorrichtung und Verfahren zur kontrollierten Splitterbildung mittels temperaturaktivierbarer Kerbladungen |
DE102019201176A1 (de) * | 2019-01-30 | 2020-07-30 | Atlas Elektronik Gmbh | Kampfmittel mit einem Deflagrations-Zündmittel und Verfahren zum Betreiben eines solchen Kampfmittels |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10015070A1 (de) | 2000-03-25 | 2001-10-11 | 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 |
DE19961204C2 (de) | 1999-12-18 | 2003-06-26 | Daimler Chrysler Ag | Zündeinrichtung |
DE102007054382A1 (de) | 2007-11-14 | 2009-05-20 | Diehl Bgt Defence Gmbh & Co. Kg | De-Letalisierbare Munition |
US20120227609A1 (en) * | 2010-07-29 | 2012-09-13 | Alliant Techsystems Inc. | Initiation systems for explosive devices, scalable output explosive devices including initiation systems, and related methods |
US8371224B1 (en) * | 2008-11-26 | 2013-02-12 | The United States Of America As Represented By The Secretary Of The Navy | Variable yield device and method of use |
-
2014
- 2014-04-04 EP EP14001254.3A patent/EP2789964B1/fr active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19961204C2 (de) | 1999-12-18 | 2003-06-26 | Daimler Chrysler Ag | Zündeinrichtung |
DE10015070A1 (de) | 2000-03-25 | 2001-10-11 | 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 |
DE102007054382A1 (de) | 2007-11-14 | 2009-05-20 | Diehl Bgt Defence Gmbh & Co. Kg | De-Letalisierbare Munition |
US8371224B1 (en) * | 2008-11-26 | 2013-02-12 | The United States Of America As Represented By The Secretary Of The Navy | Variable yield device and method of use |
US20120227609A1 (en) * | 2010-07-29 | 2012-09-13 | Alliant Techsystems Inc. | Initiation systems for explosive devices, scalable output explosive devices including initiation systems, and related methods |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019003554B4 (de) | 2019-05-21 | 2021-10-21 | Bundesrepublik Deutschland, vertreten durch das Bundesministerium der Verteidigung, dieses vertreten durch das Bundesamt für Ausrüstung, Informationstechnik und Nutzung der Bundeswehr | Skalierbarer Ladungsträger |
Also Published As
Publication number | Publication date |
---|---|
EP2789964B1 (fr) | 2015-07-15 |
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