EP0255130B1 - Ignition for a hollow charge - Google Patents

Ignition for a hollow charge Download PDF

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Publication number
EP0255130B1
EP0255130B1 EP87111017A EP87111017A EP0255130B1 EP 0255130 B1 EP0255130 B1 EP 0255130B1 EP 87111017 A EP87111017 A EP 87111017A EP 87111017 A EP87111017 A EP 87111017A EP 0255130 B1 EP0255130 B1 EP 0255130B1
Authority
EP
European Patent Office
Prior art keywords
charge
detonation
ignition
booster
central
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.)
Expired - Lifetime
Application number
EP87111017A
Other languages
German (de)
French (fr)
Other versions
EP0255130A1 (en
Inventor
Karl Rudolf
Klaus Lindstädt
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.)
Diehl Verwaltungs Stiftung
Original Assignee
Diehl GmbH and Co
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 Diehl GmbH and Co filed Critical Diehl GmbH and Co
Publication of EP0255130A1 publication Critical patent/EP0255130A1/en
Application granted granted Critical
Publication of EP0255130B1 publication Critical patent/EP0255130B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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

  • the invention relates to an igniter for a projectile-forming charge according to the preamble of claim 1.
  • a central or axial ignition location is required for projectile formation and two diametrically opposed ignition locations for the splinter formation in the area of the circumference of the explosive charge.
  • a warhead with a beam-forming pointed cone insert is known from DE-A 3 501 649.
  • Stationary ignition elements are provided as igniters.
  • a switching device not shown, enables the optional activation of at least one central ignition element or one arranged eccentrically to the longitudinal axis of the warhead.
  • a coaxial beam with a slower plunger follows.
  • a fanned out, arc-shaped beam is generated with the following plunger.
  • the arc-shaped jet consists of individual partial jets flying separately from one another.
  • the switching device for the optional activation of the ignition elements is not disclosed, there is also no indication of how to design an igniter that has both a central ignition for projectile formation of a warhead and that required for splinter formation Ignition of two diametrically opposite ignition locations possible.
  • the object of the invention is to propose a simple detonator for a projectile or splinter-forming or sting-forming charge, which ensures that the two ignition sites necessary for splintering are ignited simultaneously in the area of the charge.
  • the invention solves this problem according to the characterizing features of claim 1. Advantageous further developments can be found in the subclaims.
  • the selection of the ignition locations can be achieved in the microsecond range, that is to say almost without delay.
  • the detonator according to the invention is therefore suitable for all ammunition in which an interaction is provided and in which the selection for the special ammunition effect must be made within a very short time.
  • Such a type of ammunition is a projectile load that is ignited by a sensor and generally has no prior knowledge of the type of target to be combated and the type of combat must be decided within microseconds after the target has been grasped.
  • the detonator necessary for the formation of fragments is ignited.
  • the ignition tube then initiates the simultaneous ignition of the two booster charges arranged in the area of the circumference of the charge.
  • the detonator which is decisive for the projectile-forming charge is fired.
  • a projectile-forming insert 2, an explosive charge 3, a cover plate 4 and a slide 5 with two electrically ignitable detonators 6, 7 are arranged in a casing 1 at a distance 9 or in a radius 25.
  • the cover plate 4 there are bores 11-13 with reinforcing charges 15-17 arranged therein and an ignition channel 18 which is V-shaped at a lateral safety distance 10 from the reinforcing charge 15 and which has a rapidly reacting transfer charge 19 such as explosive.
  • the ignition channel 18 is incorporated in the cover plate 4 and lined with a layer 20 made of a shock wave-reducing, porous plastic, such as polytetrafluoroethylene.
  • the ignition channel 18 is constructed so that on the one hand the ignition is ensured, on the other hand the impact energy within the ignition tube formed by the plastic is reduced to such an extent that neither the premature ignition of the central booster charge 15 nor that of the explosive charge 3 takes place under the ignition channel.
  • the slider 5 only assumes the position shown when it is in focus. Otherwise, the slider 5 is in the safe position 8.
  • the electrically triggered detonator 6 ignites the booster charge 15 and this the explosive charge 3.
  • the electrically triggered detonator 7 ignites the transfer charge 19 and this, via the bores 12 and 13, the explosive charge 3 for the known transformation of the insert 2 into breakdown-relevant fragments.
  • the mutually opposite ignition locations 23 and 24 result in overlapping shock waves in the explosive and thus in the insert 2 there are very different energy conversion potentials per unit area and speed factors. This creates splinters.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Body Structure For Vehicles (AREA)

Description

Die Erfindung bezieht sich auf einen Zünder für eine projektilbildende Ladung nach dem Oberbegriff des Anspruches 1.The invention relates to an igniter for a projectile-forming charge according to the preamble of claim 1.

Für eine Ladung mit der entweder ein panzerbrechendes Projektil oder mehrere Splitter erzeugbar sind benötigt für die Projektilbildung einen zentralen bzw. axialen Zündort und für die Splitterbildung zwei einander diametral gegenüberliegende Zündorte im Bereich des Umfanges der Sprengladung.For a charge with which either an armor-piercing projectile or multiple fragments can be generated, a central or axial ignition location is required for projectile formation and two diametrically opposed ignition locations for the splinter formation in the area of the circumference of the explosive charge.

Aus der DE-A 3 501 649 ist ein Gefechtskopf mit einer strahlbildenden Spitzkegel-Einlage bekannt. Als Zünder sind stationär angeordnete Anzündelemente vorgesehen. Eine nicht näher gezeigte Umschalteinrichtung ermöglicht die wahlweise Ansteuerung von wenigstens einem zentrischen oder exzentrisch zur Längsachse des Gefechtskopfes angeordneten Anzündelement. Bei der Zündung des zentrischen Anzündelementes entsteht ein koaxialer Strahl mit einem nachfolgenden, langsameren Stößel. Bei exzentrischer Zündung eines Anzündelementes wird ein aufgefächerter, bogenförmig verlaufender Strahl mit nachfolgendem Stößel erzeugt. Der bogenförmig verlaufende Strahl besteht aus einzelnen, örtlich voneinander getrennt fliegenden Teilstrahlen.A warhead with a beam-forming pointed cone insert is known from DE-A 3 501 649. Stationary ignition elements are provided as igniters. A switching device, not shown, enables the optional activation of at least one central ignition element or one arranged eccentrically to the longitudinal axis of the warhead. When the central ignition element is ignited, a coaxial beam with a slower plunger follows. When an ignition element is ignited eccentrically, a fanned out, arc-shaped beam is generated with the following plunger. The arc-shaped jet consists of individual partial jets flying separately from one another.

Nachdem, wie bereits schon erwähnt, die Umschalteinrichtung für die wahlweise Ansteuerung der Anzündelemente nicht offenbart ist, ist auch kein Hinweis zu entnehmen, wie ein Zünder zu gestalten ist, der sowohl eine zentrale Zündung für die Projektilbildung eines Gefechtskopfes als auch die für die Splitterbildung erforderliche Zündung zweier einander diametral gegenüberliegender Zündorte ermöglicht.Since, as already mentioned, the switching device for the optional activation of the ignition elements is not disclosed, there is also no indication of how to design an igniter that has both a central ignition for projectile formation of a warhead and that required for splinter formation Ignition of two diametrically opposite ignition locations possible.

Die Aufgabe der Erfindung besteht darin, einen einfachen Zünder für eine projektil- oder splitterbildende bzw. stachbildende Ladung vorzuschlagen, der gewährleistet, daß die beiden, für die Splitterbildung notwendigen Zündorte, im Bereich des Umfanges der Ladung gleichzeitig gezündet werden. Die Erfindung löst diese Aufgabe gemäß den kennzeichnenden Merkmalen des Anspruches 1. Vorteilhafte Weiterbildungen sind den Unteransprüchen zu entnehmen.The object of the invention is to propose a simple detonator for a projectile or splinter-forming or sting-forming charge, which ensures that the two ignition sites necessary for splintering are ignited simultaneously in the area of the charge. The invention solves this problem according to the characterizing features of claim 1. Advantageous further developments can be found in the subclaims.

Nach der Erfindung ist im Mikrosekundenbereich die Auswahl der Zündorte - also nahezu verzugslos - erreichbar. Daher eignet sich der erfindungsgemäße Zünder für sämtliche Munitionen, bei denen eine Wechselwirkung vorgesehen ist und bei denen innerhalb kürzester Zeit die Auswahl für die spezielle Munitionswirkung getroffen sein muß. Eine derartige Munitionsart ist eine sensorgezündete Projektilladung, die in der Regel Keine Vorkenntnis über die Art des zu bekämpfenden Ziele hat und nach Auffassen des Zieles die Bekämpfungsart innerhalb Mikrosekunden entschieden sein muß.According to the invention, the selection of the ignition locations can be achieved in the microsecond range, that is to say almost without delay. The detonator according to the invention is therefore suitable for all ammunition in which an interaction is provided and in which the selection for the special ammunition effect must be made within a very short time. Such a type of ammunition is a projectile load that is ignited by a sensor and generally has no prior knowledge of the type of target to be combated and the type of combat must be decided within microseconds after the target has been grasped.

Erkennt nun die Bedienungsmannschaft oder der Aquisitionssensor des Flugkörpers einer Drohne, eines Stand-Off-Trägers, oder der Munition daß es sich um schwach gepanzerte Ziele handelt, wird der für die Splitterbildung notwendige Detonator gezündet. Das Zündrohr leitet dann die gleichzeitige Zündung der beiden, im Bereich des Umfanges der Ladung angeordneten Verstärkungsladungen ein. Andererseits erfolgt bei einem stark gepanzerten Ziel, wie Kampfpanzer, die Zündung des für die projektilbildende Ladung maßgebenden Detonators.If the operating team or the acquisition sensor of the missile of a drone, a stand-off carrier, or the ammunition recognizes that these are weakly armored targets, the detonator necessary for the formation of fragments is ignited. The ignition tube then initiates the simultaneous ignition of the two booster charges arranged in the area of the circumference of the charge. On the other hand, in the case of a heavily armored target such as a main battle tank, the detonator which is decisive for the projectile-forming charge is fired.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt.An embodiment of the invention is shown in the drawing.

Es zeigt:

  • Fig. 1 eine projektilbildende Hohlladung;
  • Fig. 2 einen Schnitt 11-11 nach Fig. 1.
It shows:
  • 1 shows a projectile-forming shaped charge;
  • 2 shows a section 11-11 of FIG. 1st

In einer Hülle 1 ist eine projektilbildende Einlage 2, eine Sprengladung 3, eine Abdeckplatte 4 und ein Schieber 5 mit zwei elektrisch zündbaren Detonatoren 6, 7 in einem Abstand 9 bzw. in einem Radius 25 angeordnet.A projectile-forming insert 2, an explosive charge 3, a cover plate 4 and a slide 5 with two electrically ignitable detonators 6, 7 are arranged in a casing 1 at a distance 9 or in a radius 25.

In der Abdeckplatte 4 sind Bohrungen 11-13 mit darin angeordneten Verstärkungsladungen 15-17 und ein in einem seitlichen Sicherheitsabstand 10 von der Verstärkungsladung 15 V-förmiger Zündkanal 18 mit schnell reagierenden Übertragungsladung 19, wie Sprengstoff, angeordnet. Der Zündkanal 18 ist in der Abdeckplatte 4 eingearbeitet und mit einer Schicht 20 aus einem stoßwellenreduzierenden, porösen Kunststoff, wie Polytetraflourätylen, ausgekleidet. Damit ist der Zündkanal 18 so aufgebaut, daß einerseits die Durchzündung gewährleistet ist, andererseits die Stoßenergie innerhalb des durch den Kunststoff gebildeten Zündrohres soweit abgebaut wird, daß weder die vorzeitige Zündung der zentralen Verstärkungsladung 15 noch die der Sprengladung 3 unter dem Zündkanal erfolgt. Nur in Scharfstellung nimmt der Schieber 5 die gezeichnete Position ein. Ansonsten ist der Schieber 5 in der Sicherstellung in einer nicht wirksamen Position 8.In the cover plate 4 there are bores 11-13 with reinforcing charges 15-17 arranged therein and an ignition channel 18 which is V-shaped at a lateral safety distance 10 from the reinforcing charge 15 and which has a rapidly reacting transfer charge 19 such as explosive. The ignition channel 18 is incorporated in the cover plate 4 and lined with a layer 20 made of a shock wave-reducing, porous plastic, such as polytetrafluoroethylene. Thus, the ignition channel 18 is constructed so that on the one hand the ignition is ensured, on the other hand the impact energy within the ignition tube formed by the plastic is reduced to such an extent that neither the premature ignition of the central booster charge 15 nor that of the explosive charge 3 takes place under the ignition channel. The slider 5 only assumes the position shown when it is in focus. Otherwise, the slider 5 is in the safe position 8.

Bei einem stark gepanzerten Ziel zündet der elektrisch ausgelöste Detonator 6 die Verstärkungsladung 15 und diese die Sprengladung 3.In the case of a heavily armored target, the electrically triggered detonator 6 ignites the booster charge 15 and this the explosive charge 3.

Diese formt - in an sich bekannter Weise - aus der Einlage 2 ein panzerbrechendes Projektil.This forms - in a manner known per se - an armor-piercing projectile from the insert 2.

Bei einem schwach gepanzerten Ziel zündet der elektrisch ausgelöste Detonator 7 die Übertragungsladung 19 und diese über die Bohrungen 12 und 13 die Sprengladung 3 zur bekannten Umformung der Einlage 2 in durchschlagsrelevante Splitter. Die einander gegenüberliegenden Zündorte 23 und 24 ergeben im Sprengstoff sich überschneidende Stoßwellen und damit an der Einlage 2 stark unterschiedliche Energieumsetzungspotentiale pro Flächeneinheit und Geschwindigkeitsfaktoren. Dadurch entstehen Splitter.In the case of a weakly armored target, the electrically triggered detonator 7 ignites the transfer charge 19 and this, via the bores 12 and 13, the explosive charge 3 for the known transformation of the insert 2 into breakdown-relevant fragments. The mutually opposite ignition locations 23 and 24 result in overlapping shock waves in the explosive and thus in the insert 2 there are very different energy conversion potentials per unit area and speed factors. This creates splinters.

Claims (3)

1. A fuze for a projectile-forming or spike-forming hollow charge which has, in a casing (1), an insert (2), an explosive charge (3) and a cover plate (4) with a central detonating charge (6, 15) for the spike formation with ram and at least one eccentric ignition charge (7, 16, 17) for the partial jet formation with ram, characterised in that arranged in the detonation-sided cover plate (4) in continuous bores (11-13) are a centrally arranged booster charge (15) and, separated spatially therefrom by lateral safety spacings (25), two further diametrically opposed charges (16, 17), in which respect the latter are connected to one another by way of a V-shaped detonation channel (18) provided with a rapidly reacting propagation charge (19), two detonators (6, 7) are arranged at a spacing (g) in a slider (5) and the detonators (6, 7) in the live position respectively correspond with the central booster charge (15) or respectively with a detonation site (22), provided at the apex of the V-shaped detonation duct (18), of the propagation charge (19).
2. A fuze according to Claim 1, characterised in that a layer (20) of shock-wave-reducing material, such as tetrafluoroethylene, porous metal or a steel-wool pad, is arranged in the detonation channel (18).
3. A fuze according to Claim 1, characterised in that in the live position of the slider (5), starting from the central booster charge (15 with detonator (6), the detonator (7), the booster charges (17) and the detonation sites (22-24) lie on a uniform radius (25), in which respect the detonation sites (23, 24) lie at the base of the V-shaped detonation channel (18).
EP87111017A 1986-07-31 1987-07-30 Ignition for a hollow charge Expired - Lifetime EP0255130B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3625967 1986-07-31
DE19863625967 DE3625967A1 (en) 1986-07-31 1986-07-31 IGNITION FOR A PROJECT-FORMING LOAD

Publications (2)

Publication Number Publication Date
EP0255130A1 EP0255130A1 (en) 1988-02-03
EP0255130B1 true EP0255130B1 (en) 1990-10-03

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Family Applications (1)

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EP87111017A Expired - Lifetime EP0255130B1 (en) 1986-07-31 1987-07-30 Ignition for a hollow charge

Country Status (5)

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US (1) US4784062A (en)
EP (1) EP0255130B1 (en)
DE (2) DE3625967A1 (en)
DK (1) DK401887A (en)
NO (1) NO163753C (en)

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DE19540863B3 (en) * 1995-11-02 2013-12-05 Nexter Munitions Ignition apparatus installed in warhead of e.g. rocket, has trigger units that enables simultaneous activation of relay charge unit to ensure triggering of explosive apparatus so that shock waves are generated in explosive apparatus

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Publication number Priority date Publication date Assignee Title
DE19540863B3 (en) * 1995-11-02 2013-12-05 Nexter Munitions Ignition apparatus installed in warhead of e.g. rocket, has trigger units that enables simultaneous activation of relay charge unit to ensure triggering of explosive apparatus so that shock waves are generated in explosive apparatus

Also Published As

Publication number Publication date
DE3765346D1 (en) 1990-11-08
NO872403L (en) 1988-02-01
EP0255130A1 (en) 1988-02-03
DK401887D0 (en) 1987-07-31
US4784062A (en) 1988-11-15
DE3625967A1 (en) 1988-02-11
NO163753B (en) 1990-04-02
DK401887A (en) 1988-02-01
NO163753C (en) 1990-07-11
NO872403D0 (en) 1987-06-09

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