EP2427720A1 - Unité d'activation pour masses actives ou corps actifs - Google Patents

Unité d'activation pour masses actives ou corps actifs

Info

Publication number
EP2427720A1
EP2427720A1 EP10713857A EP10713857A EP2427720A1 EP 2427720 A1 EP2427720 A1 EP 2427720A1 EP 10713857 A EP10713857 A EP 10713857A EP 10713857 A EP10713857 A EP 10713857A EP 2427720 A1 EP2427720 A1 EP 2427720A1
Authority
EP
European Patent Office
Prior art keywords
activation unit
ejection tube
unit according
explosive
heating
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
EP10713857A
Other languages
German (de)
English (en)
Other versions
EP2427720B1 (fr
Inventor
Nenand Prelic
Oliver Frank
Heribert Eglauer
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
Priority claimed from DE102009020558A external-priority patent/DE102009020558A1/de
Priority claimed from DE200910020557 external-priority patent/DE102009020557B4/de
Application filed by Rheinmetall Waffe Munition GmbH filed Critical Rheinmetall Waffe Munition GmbH
Publication of EP2427720A1 publication Critical patent/EP2427720A1/fr
Application granted granted Critical
Publication of EP2427720B1 publication Critical patent/EP2427720B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B4/00—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes
    • F42B4/26—Flares; Torches
    • 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
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/10—Initiators therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/10—Initiators therefor
    • F42B3/12—Bridge initiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/02—Cartridges, i.e. cases with charge and missile
    • F42B5/145—Cartridges, i.e. cases with charge and missile for dispensing gases, vapours, powders, particles or chemically-reactive substances
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/02—Cartridges, i.e. cases with charge and missile
    • F42B5/145—Cartridges, i.e. cases with charge and missile for dispensing gases, vapours, powders, particles or chemically-reactive substances
    • F42B5/15—Cartridges, i.e. cases with charge and missile for dispensing gases, vapours, powders, particles or chemically-reactive substances for creating a screening or decoy effect, e.g. using radar chaff or infrared material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/02—Cartridges, i.e. cases with charge and missile
    • F42B5/145—Cartridges, i.e. cases with charge and missile for dispensing gases, vapours, powders, particles or chemically-reactive substances
    • F42B5/15—Cartridges, i.e. cases with charge and missile for dispensing gases, vapours, powders, particles or chemically-reactive substances for creating a screening or decoy effect, e.g. using radar chaff or infrared material
    • F42B5/155—Smoke-pot projectors, e.g. arranged on vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C11/00—Electric fuzes
    • F42C11/001—Electric circuits for fuzes characterised by the ammunition class or type

Definitions

  • the invention is concerned with an activation unit for particular ammunition-free active materials or active bodies, for example for the formation of decoys.
  • Sham targets and / or fog grenades based on, for example, red phosphorus (RP) or nitrocellulose (NC) are used in military applications, such as fog grenades, aircraft headlight targets operating with infrared (IR) etc.
  • RP red phosphorus
  • NC nitrocellulose
  • the firing of RP units (active bodies) takes place via an igniting or disintegrating charge, which ensures that the bodies can optimally ignite for the respective purpose and thus burn off.
  • DE 10 2007 032 112 A1 describes a so-called jamming, which are fired from a launcher with several launch tubes. The launching is initiated electrically or mechanically. The sub-clocking for triggering the individual flashes of light is controlled by a device integrated in the electronics. To trigger the light or bursting bursts several sub-bodies are ignited timed clocked. For this purpose, these pyrotechnic igniter or ZerlegerA.
  • a launching device for the firing of a plurality of active bodies is characterized by DE 199 10 074 B4.
  • the active bodies that can be fired in this case each have a propellant charge with a lighter, for example a squib, which are in connection with a control unit of the adapter in the assembled state of the active body package and adapter.
  • the invention has the object to show an activation unit that activates such active body to create decoys.
  • the invention is the o. G.
  • the idea is to activate (ignite) the active materials / flare material by supplying thermal energy. This avoids the use of explosives.
  • the active body of this is thus applied in a suitable form with thermal energy. This can be achieved by pushing the active body, which as a rule consists of individual flares, through an ignition tube for activation.
  • the "ejection” can be pneumatic or mechanical.
  • a high-temperature activation element which consists essentially of n-heating elements, which are arranged radially separated from each other radially around the circumference of a Anzündrohres.
  • the geometry of the activation unit is not necessarily a circular cylinder.
  • the heating elements can also be adapted to other geometries, for example to a rectangular cylinder.
  • the material selection of the individual heating elements allows temperatures> 600 0 C, wherein the heating elements are designed so that they allow extremely dynamic heating due to low mass.
  • the outer jacket of the heating wire of the heating elements preferably consists of a high-temperature-resistant steel with a high CrNi content.
  • z. B. ceramic inlays by minimizing heat losses for further thermal optimization.
  • the heating elements are designed so that they ensure an ideal energy input into the active body for the application.
  • the heating element can also z. B. with contact plates o. ⁇ . Be provided for better energy transfer.
  • An extremely short response time of the heating elements is achieved by means of an appropriate control technology, ie, the heating-up time from the switch-on point to the reaching of the nominal temperature is extremely short (small or low).
  • the number of heating elements used is arbitrary and therefore optional and can basically be made up in any form.
  • the energy input can be ideally adjusted by selecting the number n of the heating elements and / or by an adapted control technology.
  • the ignition of the active body by contact with the heating elements but also can be done without contact. For this it is possible to activate the active body in the "flyby".
  • This form of activation allows the use of non explosive decoys in the civil environment, not only in civil aviation, but also in civilian naval and land vehicles.
  • the design and safety requirements for decoys and dispensers without explosives are simpler, that is, much lower.
  • the ignition unit or device allows a variety of ignitions, while the classic flares is intended for single use only.
  • the extremely high CrNi content realizes high corrosion resistance, high temperature resistance and higher wear resistance.
  • the special sheathing and guidance of the elements ensures the watertightness of the heating elements.
  • the sheathing is potential-free, so classic short-circuit bridges are excluded.
  • a slight power adjustment by length change or simple circuit change of the heating elements is also possible.
  • By a preferably multi-circuit current flow through the n-heating elements the reliability can be increased.
  • the non-contact and flexible suspension / integration of the heating elements makes it possible that only small losses occur and that a better contact can be created.
  • the active body tolerances can be better compensated by clean management of the active body package.
  • Fig. 5 shows a to be transported from the ejection tube active body.
  • the high-temperature activation unit 1 consists essentially of an ejection tube 2, from which an active body 3 (FIG. 5), not shown here, is ejected in the direction of arrow P.
  • the ejection tube 2 is comprised on its inner side / surface of high-temperature heating elements 4, wherein each individual element 4 is formed from a heating wire 6, which protected against external influences enclosed in a jacket 7 and preferably in a heat loss minimizing material, preferably in a ceramic - Inlay 8, is embedded.
  • the outer jacket 7 of the heating element 4 is in the preferred embodiment of a high temperature resistant steel with high CrNi-Aneil.
  • the ceramics 8 are enclosed for mechanical relief in the metal structure of the ejection tube 2, wherein the metal structure corresponds to the outer shape of the active body 3, here a cylindrical shape. Alternative forms are also possible.
  • the heating wires 6 are supplied by an appropriate control technology (not shown in detail) with the corresponding electrical energy and thereby heated to> 600 ° C.
  • the ceramic inlays 8 in turn improve the energy balance of the respective heating element 4 and thereby ensures a more efficient energy input from the active body 3.
  • Fig. 2 shows a variant of the arrangement and the structure in the ceramic inlay 8 embedded heating element 4 again.
  • Fig. 3 shows a further variant of the activation unit V with ejection tube 2 'again.
  • the heating wire surface is increased by at least one example soldered contact plate 13, whereby the contact surface of the heating wire 14 is increased to the active body 3.
  • the ejection tube 2 ' has a heat insulation 15, for example, formed by one / more ceramic liners (s).
  • Fig. 4 shows another embodiment of the activation unit 1 "with ejection tube 2".
  • short heating elements 10 are used similar to the previous one.
  • Fig. 5 the structure of the active body 3 is shown. This is characterized by several Einzelflares 9.
  • the active body 3 is pushed through the activation unit 1 (1 ', 1 "), for example, with a plunger (ejection unit - not shown in more detail.) As the active body 3 passes through the activation unit 1, the active body 3 makes contact with the individual elements 4 on its lateral surface The thermal energy is transferred (directly or indirectly) to the active body 3 by the heating wires 6 (14), which ignites at the contact or contact points After emerging from the activation unit, the active body 3 can be fully ignited and deploy its radiation (IR radiation).
  • IR radiation radiation
  • non-contact activation is also possible, as already mentioned, whereby it must be ensured that the individual flares 9 of the active body 3 ignite.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Resistance Heating (AREA)

Abstract

L'invention concerne une unité d'activation (1) pour masses actives ou corps actifs (3), caractérisée par un tuyau d'éjection (2), ainsi que par des éléments chauffants à hautes performances (4) fixés autour du tuyau d'éjection (2), constitués au moins respectivement d'un filament chauffant (6) alimenté de son côté en courant électrique par une unité de régulation. Chaque filament chauffant (6) est entouré d'une enveloppe (7) et enrobé d'au moins un matériau réduisant à un minimum la perte de chaleur. Lors du passage dans l'unité d'activation (1), le corps actif (3) établit par l'intermédiaire de sa surface d'enveloppe un contact direct ou sans affleurement avec les éléments individuels (4) de l'unité d'activation (1). Grâce aux filaments chauffants (6), l'énergie thermique est transférée sur le corps actif (3), dont les points d'affleurement ou de contact s'enflamment. Une autre unité d'activation (1 ', 1 ") comprend des éléments chauffants (10, 10') guidés longitudinalement au moins partiellement dans le tuyau d'éjection (2', 2"), qui sont constitués d'un filament chauffant (14) revêtu d'acier CrNi (11) et présentent des plaques de contact (13) brasées dessus.
EP10713857.0A 2009-05-08 2010-04-16 Unité d'activation pour masses actives ou corps actifs Not-in-force EP2427720B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102009020558A DE102009020558A1 (de) 2009-05-08 2009-05-08 Aktivierungseinheit für munitionsfreie Scheinziele
DE200910020557 DE102009020557B4 (de) 2009-05-08 2009-05-08 Aktivierungseinheit für Wirkmassen bzw. Wirkkörper
PCT/EP2010/002332 WO2010127762A1 (fr) 2009-05-08 2010-04-16 Unité d'activation pour masses actives ou corps actifs

Publications (2)

Publication Number Publication Date
EP2427720A1 true EP2427720A1 (fr) 2012-03-14
EP2427720B1 EP2427720B1 (fr) 2014-02-26

Family

ID=42269988

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10713857.0A Not-in-force EP2427720B1 (fr) 2009-05-08 2010-04-16 Unité d'activation pour masses actives ou corps actifs

Country Status (8)

Country Link
US (2) US8714089B2 (fr)
EP (1) EP2427720B1 (fr)
KR (1) KR20120014134A (fr)
AU (1) AU2010244780B2 (fr)
CA (1) CA2761215A1 (fr)
IL (1) IL216169A (fr)
SG (2) SG10201402195PA (fr)
WO (1) WO2010127762A1 (fr)

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DE102008064638A1 (de) * 2008-06-16 2009-12-17 Rheinmetall Waffe Munition Gmbh Flare mit Flareanzündung sowie Ausstoßsystem dafür
CA2761215A1 (fr) * 2009-05-08 2010-11-11 Rheinmetall Waffe Munition Gmbh Unite d'activation pour masses actives ou corps actifs
DE102009030870A1 (de) 2009-06-26 2010-12-30 Rheinmetall Waffe Munition Gmbh Wirkkörper
DE102009030869A1 (de) 2009-06-26 2011-02-10 Rheinmetall Waffe Munition Gmbh Wirkkörper
DE102009043491A1 (de) 2009-09-30 2011-04-07 Rheinmetall Waffe Munition Gmbh Aktivierungseinheit für munitionsfreie Scheinziele
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Also Published As

Publication number Publication date
WO2010127762A1 (fr) 2010-11-11
CA2761215A1 (fr) 2010-11-11
US20140352565A1 (en) 2014-12-04
KR20120014134A (ko) 2012-02-16
US8714089B2 (en) 2014-05-06
EP2427720B1 (fr) 2014-02-26
AU2010244780A1 (en) 2011-11-03
SG10201402195PA (en) 2014-10-30
IL216169A0 (en) 2012-01-31
SG175735A1 (en) 2011-12-29
US20120137913A1 (en) 2012-06-07
IL216169A (en) 2015-11-30
AU2010244780B2 (en) 2015-04-02

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