EP4038340A1 - Élément actif et procédé d'allumage d'un élément actif - Google Patents

Élément actif et procédé d'allumage d'un élément actif

Info

Publication number
EP4038340A1
EP4038340A1 EP20764989.8A EP20764989A EP4038340A1 EP 4038340 A1 EP4038340 A1 EP 4038340A1 EP 20764989 A EP20764989 A EP 20764989A EP 4038340 A1 EP4038340 A1 EP 4038340A1
Authority
EP
European Patent Office
Prior art keywords
active
active body
ignition means
grooves
mass
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
EP20764989.8A
Other languages
German (de)
English (en)
Other versions
EP4038340B9 (fr
EP4038340B1 (fr
Inventor
Vikorn Kadavanich
Florian Huber
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.)
Rheinmetall Waffe Munition GmbH
Original Assignee
Rheinmetall Waffe Munition GmbH
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 Rheinmetall Waffe Munition GmbH filed Critical Rheinmetall Waffe Munition GmbH
Publication of EP4038340A1 publication Critical patent/EP4038340A1/fr
Application granted granted Critical
Publication of EP4038340B1 publication Critical patent/EP4038340B1/fr
Publication of EP4038340B9 publication Critical patent/EP4038340B9/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F42C19/0803—Primers; Detonators characterised by the combination of per se known chemical composition in the priming substance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J2/00—Reflecting targets, e.g. radar-reflector targets; Active targets transmitting electromagnetic or acoustic waves
    • F41J2/02—Active targets transmitting infrared radiation
    • 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
    • F42C19/0807—Primers; Detonators characterised by the particular configuration of the transmission channels from the priming energy source to the charge to be ignited, e.g. multiple channels, nozzles, diaphragms or filters
    • 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
    • F42C19/0846—Arrangements of a multiplicity of primers or detonators, dispersed within a warhead, for increased efficiency

Definitions

  • the invention relates to an active body, in particular a decoy active body, comprising at least one active mass and at least two ignition means, each comprising a pyrotechnic charge for igniting the active mass.
  • the invention also relates to a method for igniting an active body.
  • Active bodies such as decoy active bodies, are used in aviation. Since about 1970, such decoy target bodies have been provided under a protective film or in a container and initiated from one side. This applies in particular to all conventional MTV (Magnesium-Teflon-Viton) decoy effective bodies and spectral decoy effective bodies.
  • MTV Magnetic-Teflon-Viton
  • the ignition chain is activated for the active body, which is preferably elongated in aircraft, from the launch side, preferably via a safety system, and then ignites the active body after it has been released.
  • active bodies often have a fast-burning set of coatings in order to achieve all-round ignition in the required time.
  • Decoy active bodies with certain active masses and geometries are subject to ignition problems due to the design and the type of use, which can lead to a delayed and less power development in the initial phase of initiation.
  • the initiation usually takes place from an ignition side in the bottom area, the so-called end face of the active body and runs through this inside or outside along the surface in the direction of the discharge side in order to finally achieve an all-round reaction of the active body.
  • the ignition problems described above can have a direct impact on the effectiveness against the threat during the ignition phase.
  • Document DE 10 2009 030 871 A1 discloses an active body with a combustible active material container based on plastic film, which can be ignited inductively, by means of a laser or at high temperature.
  • DE 10 2016 122 740 A1 discloses a pyrotechnic active body with a housing, an ignition device and at least one active component. The ignition device is arranged, for example, in the base of the active body.
  • the patent application DE 10 2010 030 869 A1 discloses an active body with several active masses, which has several individual flares arranged one behind the other, which can be ignited inductively, by means of a laser or by high temperature.
  • Document DE 10 2009 030 872 A1 relates to an active body that is inductively ignited, consisting of individual flares that are packaged in a carrier material such as a steel foil coated with red phosphorus.
  • Document DE 10 2004 047 231 A1 discloses an active body of the generic type which has a plurality of active substances and ignition means. How the ignition is carried out and how the ignition means are arranged is not disclosed.
  • the invention is based on the object of creating an active body which enables a number of active masses to be ignited quickly and reliably.
  • an active body in particular a decoy active body, comprising at least one active mass, at least two ignition means each comprising one pyrotechnic charge for igniting the at least one active mass.
  • the at least two ignition means are arranged on the at least one active mass and the at least two ignition means are connected to one another via channels in such a way that the at least one active mass can be ignited on several sides at the same time.
  • the active body comprises at least one active mass, at least two ignition means each comprising a pyrotechnic charge for igniting the active mass.
  • the at least two ignition means are arranged on the at least one active mass and the at least two ignition means are connected to one another via channels in such a way that the at least one active mass can be ignited simultaneously on several sides.
  • the active body in such a way that it can be initiated, ie ignited, on more than one side, but at least on two sides, for example on the side surfaces as well as the opposite side. It is therefore an active body with multiple ignition.
  • the at least one active mass is preferably at least one pyrotechnic active mass, as is used in flares.
  • the channels are preferably ignition channels that are designed to ignite the ignition means or direct ignition to the ignition means.
  • the channels can be arranged symmetrically and / or asymmetrically to one another.
  • Multi-sided at the same time means that the active body or the at least one active mass can be ignited simultaneously at several points, such as sides, top, bottom or edges. Simultaneously in the sense of the invention means that the at least one active masses can be ignited essentially without a time delay.
  • the ignition means within the meaning of the invention are, for example, detonators, smaller ignition-sensitive pyrotechnic sets or other known ignition means.
  • the multi-sided ignition according to the invention ensures that large-area, less sensitive active materials can be ignited quickly and reliably by significantly smaller ignition means. Since a plurality of ignition means is provided, the reliability of the ignition is improved by this redundant provision of the ignition means.
  • the active body according to the invention in particular the simultaneous multi-sided ignitability of the at least one active compound, achieves a lower scattering behavior and improved responsiveness in use. In addition, there is a better development of the active body.
  • the at least two active masses can be of the same size and / or of different sizes. By means of a large number of different active substances, it is possible to adjust the wavelength of the spectrum emitted by the active body during the burn-off of the active substances.
  • the active body has at least two active masses and the ignition means are arranged between the active masses of the active body in such a way that the at least two active masses can be ignited simultaneously on multiple sides.
  • the ignition means are arranged inside and / or outside the active body.
  • the pyrotechnic charge of the ignition means and the at least one active mass are separated from one another by an inert material.
  • the at least one active mass and / or the ignition means are separated from one another by a film, a housing or an air gap.
  • the individual active compounds can preferably be separated from one another in this way.
  • Such a physical separation can take place, for example, by means of a film or a housing made of paper, plastic or metal.
  • the active body has grooves, grooves and / or bores.
  • the channels run in the grooves, grooves and / or bores.
  • the individual active materials are preferably separated by these grooves and / or grooves.
  • the positioning of the channels is specified and, on the other hand, it is achieved that the channels do not or only slightly protrude beyond the contour of the active body.
  • the grooves and / or grooves run in such a way that they intersect at several intersection points and the ignition means are formed at the intersection points.
  • grooves, grooves and / or bores are arranged inside and / or outside the active body.
  • the active body is protected from environmental influences by a film or a housing. This ensures that the active body can be reliably ignited even at high wind and / or ejection speeds - for example when fired from a fast-flying aircraft or aircraft.
  • the active body does not have a pyrotechnic coating set that covers the entire active body.
  • a coating set is a fast-burning set that covers the active body covers and allows lighting from all sides. This has the advantage that the active body can be approved even if no suitable approved coating set exists.
  • the ignition means are arranged in such a way and the length of the channels is designed such that the ignition means can be ignited at the same time.
  • the ignition means are connected to an ignition initiator via the channels.
  • the active body is essentially cuboid and has essentially cuboid effective masses.
  • This can in particular be an active body for ammunition in the NATO standard caliber 2x1x8 "or 1x1x8".
  • it can also be a cylindrical active body, preferably with a diameter of 36 mm or 55 mm.
  • the active body is spherical or triangular.
  • Fig. 1 is a schematic perspective view of an inventive
  • Fig. 2 is a schematic perspective view of the invention
  • FIG. 3 is a schematic perspective view of an inventive
  • Active body according to a second embodiment, wherein the active body has internal channels;
  • Fig. 4 is a schematic perspective view of an inventive
  • Active body according to a third embodiment, the active body having internal symmetrical and asymmetrical channels.
  • the active body 1 comprises a plurality of active materials 10 1... N and a plurality of ignition means 20 1... N.
  • the ignition means 20 1 ... n each comprise a pyrotechnic set for igniting the active substances 10 1 ... n .
  • FIG. 2 also shows a schematic perspective view of the active body according to the invention according to FIG. 1, the channels 30 1... N being masked out.
  • the ignition means 20 1 ... n are arranged between the individual active materials 10 1 ... n and the ignition means 20 1 ... n are connected to one another via channels 30i n in such a way that the active body 1 can be ignited on several sides at the same time.
  • the ignition means 20 1 ... n are connected to an ignition initiator (not shown) via the channels 30 1 ... n , the ignition means 20 1 ... n being arranged in this way and the length of the channels
  • the ignition means 20 1 ... n is designed such that the ignition means 20 1 ... n can be ignited at the same time.
  • the active body 1 has grooves and / or grooves 22 1... N , by means of which the individual active materials 10 1... N are separated from one another.
  • the grooves and / or grooves 22 1... N run in such a way that they intersect at a plurality of intersection points 25 1... N and the ignition means 20 1... N are arranged at the intersection points 25 1... N.
  • the grooves and / or grooves 22 1 ... n receive, as shown in FIG. 1, the channels 30 1 ... n , ie the channels 30 1 ... n are arranged in the grooves and / or grooves.
  • the individual channels 30 1... N are embodied in the form of bulges.
  • the individual active masses 10 1... N of the active body 1 can be ignited simultaneously on multiple sides.
  • the ignition means 20 1... N are arranged inside / outside of the active body 1 according to the exemplary embodiment. For this purpose, these are provided in the grooves / grooves of the active body 1.
  • the pyrotechnic charge of the ignition means 20 1 ... n and the active masses 10 1 ... n are separated from one another by an inert material.
  • This can be designed, for example, as a film, a housing or an air gap.
  • FIG. 3 a schematic perspective view of an inventive active body 1 according to a second exemplary embodiment is shown, which is based on
  • the active body 1 has internal grooves, grooves and / or bores 23 1 ... n , in which channels 31 1 ... n are formed.
  • the channels 31 1 ... n are formed within the individual active materials 10 1 ... n and have a symmetrical image.
  • FIG. 4 a schematic perspective view of an inventive active body 1 according to a third embodiment is shown, which is based on the
  • Embodiment according to FIG. 3 is based.
  • the inner channels 31 1 ... n in within the individual active masses 10 1 ... n symmetrically and / or asymmetrically channels 31 1 ... n formed.
  • an active body 1 which comprises eight active masses 10 1 ... 8 and six ignition means 20 1 ... 6.
  • the active body 1 is essentially cuboid and comprises essentially cuboid active materials 10 1... 8 .
  • This can in particular be an active body for ammunition in the NATO standard caliber 2x1x8 "or 1x1x8".
  • this configuration of the above embodiment is only an exemplary embodiment.
  • a number other than eight active masses and six ignition means are also possible.
  • it can also be a cylindrical active body, preferably with a diameter of 36 mm or 55 mm. It is also possible that the active body is spherical or triangular. List of reference symbols

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Air Bags (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Abstract

L'invention concerne un élément actif (1), en particulier un élément leurre actif, comprenant au moins une masse active 101...n, et au moins deux moyens d'allumage 201...n comprenant chacun un ensemble pyrotechnique d'allumage des masses actives 101...n. Lesdits au moins deux moyens d'allumage 201...n sont disposés sur ladite au moins une masse active 101...n et lesdits au moins deux moyens d'allumage 201...n sont reliés l'un à l'autre par l'intermédiaire de canaux 301...n, 311...n de telle sorte que l'au moins une masse active 101...n puisse être allumée simultanément à partir de plusieurs côtés.
EP20764989.8A 2019-10-01 2020-09-01 Élément actif et procédé d'allumage d'un élément actif Active EP4038340B9 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019126466.9A DE102019126466A1 (de) 2019-10-01 2019-10-01 Wirkkörper und Verfahren zum Zünden eines Wirkkörpers
PCT/EP2020/074306 WO2021063615A1 (fr) 2019-10-01 2020-09-01 Élément actif et procédé d'allumage d'un élément actif

Publications (3)

Publication Number Publication Date
EP4038340A1 true EP4038340A1 (fr) 2022-08-10
EP4038340B1 EP4038340B1 (fr) 2023-11-15
EP4038340B9 EP4038340B9 (fr) 2024-02-14

Family

ID=72322452

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20764989.8A Active EP4038340B9 (fr) 2019-10-01 2020-09-01 Élément actif et procédé d'allumage d'un élément actif

Country Status (9)

Country Link
EP (1) EP4038340B9 (fr)
JP (1) JP2022550429A (fr)
KR (1) KR20220071964A (fr)
AU (1) AU2020358276A1 (fr)
CA (1) CA3156363A1 (fr)
DE (1) DE102019126466A1 (fr)
ES (1) ES2969340T3 (fr)
IL (1) IL291705A (fr)
WO (1) WO2021063615A1 (fr)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2619597A1 (de) * 1976-05-04 1977-11-17 Dynamit Nobel Ag Zuendvorrichtung fuer infrarotstrahler
DE2830119C2 (de) * 1978-07-08 1985-09-19 Nico-Pyrotechnik Hans-Jürgen Diederichs KG, 2077 Trittau Nebelladung für Raketen und Geschosse
GB9612655D0 (en) * 1996-06-17 2003-05-28 Secr Defence Infra-red emitting decoy flare
WO2002048641A1 (fr) * 2000-12-13 2002-06-20 The Secretary Of State For Defence Fusee-leurre a emission infrarouge
FR2867848B1 (fr) * 2004-03-18 2006-04-28 Giat Ind Sa Dispositif d'initiation de deux charges explosives et tete militaire mettant en oeuvre un tel dispositif d'initiation
DE102004047231B4 (de) 2004-09-28 2008-08-21 Rheinmetall Waffe Munition Gmbh Wirkkörper
US7546806B1 (en) * 2006-03-24 2009-06-16 The United States Of America As Represented By The Secretary Of The Army Selectable output well perforator and method for producing variable hole profiles
DE102009030871B4 (de) 2009-06-26 2013-05-29 Rheinmetall Waffe Munition Gmbh Verbrennbarer Wirkmassencontainer
DE102009030872A1 (de) 2009-06-26 2010-12-30 Rheinmetall Waffe Munition Gmbh Wirkkörper
DE102010013110A1 (de) 2010-03-26 2011-09-29 Rheinmetall Waffe Munition Gmbh Gekapselter Wirkkörper für ein IR-Täusch- bzw. Scheinziel
DE102010030869A1 (de) 2010-07-02 2012-01-05 Ifm Electronic Gmbh Verfahren zur Bewertung eines Messsignals eines kapazitiven Grenzschalters
DE102016122740A1 (de) 2016-11-24 2018-05-24 Rheinmetall Waffe Munition Gmbh Pyrotechnischer Wirkkörper

Also Published As

Publication number Publication date
EP4038340B9 (fr) 2024-02-14
ES2969340T3 (es) 2024-05-17
JP2022550429A (ja) 2022-12-01
EP4038340B1 (fr) 2023-11-15
IL291705A (en) 2022-05-01
CA3156363A1 (fr) 2021-04-08
WO2021063615A1 (fr) 2021-04-08
DE102019126466A1 (de) 2021-04-01
KR20220071964A (ko) 2022-05-31
AU2020358276A1 (en) 2022-04-21

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