EP2921814A1 - Ignition system for a scalable active system - Google Patents

Ignition system for a scalable active system Download PDF

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Publication number
EP2921814A1
EP2921814A1 EP15000783.9A EP15000783A EP2921814A1 EP 2921814 A1 EP2921814 A1 EP 2921814A1 EP 15000783 A EP15000783 A EP 15000783A EP 2921814 A1 EP2921814 A1 EP 2921814A1
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EP
European Patent Office
Prior art keywords
ignition
explosive charge
ignition system
control unit
initiation
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EP15000783.9A
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German (de)
French (fr)
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EP2921814B1 (en
Inventor
Hans-Dieter Ackermann
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TDW Gesellschaft fuer Verteidigungstechnische Wirksysteme mbH
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TDW Gesellschaft fuer Verteidigungstechnische Wirksysteme mbH
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B1/00—Explosive charges characterised by form or shape but not dependent on shape of container
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C15/00—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges
    • 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
    • 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 ignition system for a scalable active system, which comprises at least one explosive charge, wherein a first ignition device is provided for initiating a subdetonation mechanism, with which an explosive charge can be excited for deflagration, wherein a second ignition device is provided for a detonative initiation of the explosive charge, and wherein the ignition devices are independently triggered by means of a control unit and both ignition devices are arranged immediately adjacent.
  • Such an ignition system is in the DE 10 2013 011 404 A1 described.
  • it is proposed to localize the initiation sites for the deflagrative and the detonative initiation of the explosive charge of the active system.
  • Both ignition devices can be triggered in quick succession, the time interval directly influencing the power scaling of the explosive charge.
  • the two ignition devices to be realized is not mentioned in this description of the invention.
  • the DE 10 2012 006 044 B3 deals with a method for measuring the course of a detonation front, which starts from a first ignition point to determine the appropriate ignition timing of the opposing second ignition point.
  • the DE 39 18 513 C1 relates to a safety device for a Doppelhohlladungsgefechtskopf, which allows the time-delayed ignition of the two shaped charges.
  • the DE 10 2009 017 160 B3 describes a warhead with an explosive charge, the front side has one or more active charges, which act only deflagrativ on the explosive charge.
  • a warhead with a cylindrical explosive charge can according to the DE 100 08 914 C2 with two opposing charges, one of which detonatively initiates the other but deflagratively, in the power output are set within very wide limits. None of the aforementioned inventions is suitable to solve the following problem.
  • the actual initiation of the sub-detonation mechanism is detected, which in turn causes the deflagration of the explosive charge.
  • the initiation of the explosive charge is thus prevented in good time and thus successfully precludes a complete detonation of the explosive charge.
  • active system means, for example, a warhead having at least one explosive charge which can be initiated with at least two different ignition devices in different ways, whereby the power output of the warhead can be adjusted within a wide range.
  • the invention is based on the experience that the ignition of scalable active systems by means of two arranged on the longitudinal axis of the active system ignition devices can at least cause problems, for example, when the target collision that ignition device to trigger the deflagration of the explosive charge is destroyed and then with the system almost full power detonated.
  • a first ignition device initiates the subdetonative conversion of the explosive, before then later in time the detonative initiation is initiated by means of a second ignition device.
  • the scalable power output is then adjusted over the delay time between the sub-detonation and the detonation.
  • the basic principle of the present ignition system is not dependent on the geometry of the active system. That in the FIG. 1 illustrated exemplary ignition system corresponds in structure to the standard of 3inch Air Force and Marine detonators. Thus, it is obvious to incorporate such an effective system in standardized active bodies GK , taking into account their manufacturing process.
  • the initiation of the detonation into the explosive charge S takes place via the explosive booster, which initiates laterally in the "side-light” process through the wall G the surrounding explosive S of the main charge.
  • the ignition system can be easily adapted to known active body.
  • FIG. 2 the block diagram of the ignition system is shown schematically simplified.
  • the sharpening begins either on the basis of a decision ARM1, ARM2 or on the basis of the sensor signals Sensor1, Sensor2, which each act on the safety logic. If all signals for a desired ignition are given in the safety logic, the power supply HV generation control is also provided for the ignition circuits.
  • An essential function in the safety logic suppresses an unwanted spark advance of the detonative output. It also contains a time function consisting of a programmable safety critical timer, which together with the function Back Up Timer controls the ignition circuit b and thus decides, depending on the output signal of the detonation monitor the detonative initiation of the active charge is carried out or not.
  • the ignition circuits a1 and a2 are initiated, which both act via detonators EFI or LEEFI on the amplifier charge Sprinter_Verchesr_Elements, which then triggers the Subdetonationsmechanismus.
  • the detonation monitor can optionally be arranged with the same effect on the booster charge or on the subdetonation mechanism.
  • the ignition circuit b is also initiated after a time delay dependent on the desired active charge power, so that the detonator initiates the active charge via a detonator EFI or LEEFI and another booster charge becomes.
  • the process of sharpening is as follows.
  • the ignition system receives its start signal either externally, such as from a ground clearance sensor or from the missile control, or the ignition system receives it from an internal impact sensor.
  • the start signal can either be done as a quick detonation (instantaneous ignition), or even with a time delay or even out of ambient conditions.
  • the deflagration mechanism is then started via the ignition circuits a1 and a2.
  • the detonation monitor checks the correct sequence and starts the programmed timer to initiate the detonation initiation via the Trigger ignition circuit b. From there, a regular ignition via another detonator EFI or LEEFI runs on another transformer-amplifier elements on the booster for detonative initiation of the active charge. Should this way fail, so the detonation initiation of the explosive charge S will not take place.
  • the timer in the central control unit is critical to safety, as a pre-ignition leads to an unwanted higher power output of the active system.
  • This timer is executed in accordance with the provisions of STANAG 4187. This design ensures that the set delay time for power control of the active system is not exceeded with a high level of safety.
  • the detonator can be executed in different ways. This can be a mechanical or an optical sensor. Coaxial cables, optical fibers or ionization sensors can be used as well.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Automotive Seat Belt Assembly (AREA)
  • Air Bags (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Abstract

Die Erfindung betrifft ein Zündsystem für ein hinsichtlich seiner Leistungsabgabe skalierbares Wirksystem mit zwei unterschiedlichen Zündkreisen für die subdetonative und die detonative Initiierung der Sprengladung des Wirksystems, wobei ein Kontrollmechanismus im subdatonativen Zündkreis die korrekte Funktion überwacht und damit die unkontrollierte vollständige Leistungsabgabe der Wirkladung verhindert.The invention relates to an ignition system for a scalable with respect to its output power system with two different ignition circuits for the subdetonative and detonative initiation of the explosive charge of the active system, a control mechanism in the subdatative ignition circuit monitors the correct function, thus preventing the uncontrolled full power output of the active charge.

Description

Die Erfindung betrifft ein Zündsystem für ein skalierbares Wirksystem, welches wenigstens eine Sprengladung aufweist, wobei eine erste Zündeinrichtung für eine Initiierung eines Subdetonationsmechanismus vorgesehen ist, mit dem eine Sprengladung zur Deflagration anregbar ist, wobei eine zweite Zündeinrichtung für eine detonative Initiierung der Sprengladung vorgesehen ist, und wobei die Zündeinrichtungen unabhängig voneinander mittels einer Steuereinheit auslösbar sind und beide Zündeinrichtungen unmittelbar benachbart angeordnet sind.The invention relates to an ignition system for a scalable active system, which comprises at least one explosive charge, wherein a first ignition device is provided for initiating a subdetonation mechanism, with which an explosive charge can be excited for deflagration, wherein a second ignition device is provided for a detonative initiation of the explosive charge, and wherein the ignition devices are independently triggered by means of a control unit and both ignition devices are arranged immediately adjacent.

Ein derartiges Zündsystem wird in der DE 10 2013 011 404 A1 beschrieben. Hier wird vorgeschlagen, die Initiierungsorte für die deflagrative und die detonative Initiierung der Sprengladung des Wirksystem örtlich zusammen zu fassen. Es können beide Zündeinrichtungen kurz nacheinander ausgelöst werden, wobei der zeitliche Abstand die Leistungsskalierung der Sprengladung unmittelbar beeinflusst. In welcher Art die beiden Zündeinrichtungen realisiert werden sollen ist in dieser Erfindungsbeschreibung jedoch nicht erwähnt.Such an ignition system is in the DE 10 2013 011 404 A1 described. Here, it is proposed to localize the initiation sites for the deflagrative and the detonative initiation of the explosive charge of the active system. Both ignition devices can be triggered in quick succession, the time interval directly influencing the power scaling of the explosive charge. In what kind the two ignition devices to be realized is not mentioned in this description of the invention.

Die DE 10 2012 006 044 B3 befasst sich mit einem Verfahren zur Messung des Verlaufs einer Detonationsfront, welche von einer ersten Zündstelle ausgeht, um den geeigneten Zündzeitpunkt der gegenüber angeordneten zweiten Zündstelle zu bestimmen.The DE 10 2012 006 044 B3 deals with a method for measuring the course of a detonation front, which starts from a first ignition point to determine the appropriate ignition timing of the opposing second ignition point.

Die DE 39 18 513 C1 betrifft eine Sicherungseinrichtung für einen Doppelhohlladungsgefechtskopf, welche die zeitversetzte Zündung der beiden Hohlladungen ermöglicht.The DE 39 18 513 C1 relates to a safety device for a Doppelhohlladungsgefechtskopf, which allows the time-delayed ignition of the two shaped charges.

In der US 4,815,385 A wird eine Zündeinrichtung für eine Sprengladung dargestellt, welche gegenüberliegende Zündstellen aufweist, die gleichzeitig gezündet werden, um in der Mitte der zylindrischen Ladung eine fokussierte radiale Leistungsabgabe zu bewirken.In the US 4,815,385 A an ignition device for an explosive charge is shown, which has opposite ignition points which ignites simultaneously to effect a focused radial power output in the center of the cylindrical charge.

Die DE 10 2009 017 160 B3 beschreibt einen Gefechtskopf mit einer Sprengladung, die stirnseitig eine oder mehrere Wirkladungen aufweist, welche ausschließlich deflagrativ auf die Sprengladung einwirken.The DE 10 2009 017 160 B3 describes a warhead with an explosive charge, the front side has one or more active charges, which act only deflagrativ on the explosive charge.

Ein Gefechtskopf mit einer zylindrischen Sprengladung kann gemäß der DE 100 08 914 C2 mit zwei sich gegenüber liegenden Ladungenvon denen eine detonativ, die andere jedoch deflagrativ initiiert, in der Leistungsabgabe in sehr weiten Grenzen eingestellt werden. Keine der vorgenannten Erfindungen ist geeignet folgende Aufgabe zu lösen.A warhead with a cylindrical explosive charge can according to the DE 100 08 914 C2 with two opposing charges, one of which detonatively initiates the other but deflagratively, in the power output are set within very wide limits. None of the aforementioned inventions is suitable to solve the following problem.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde ein grundsätzlich aus zwei eigenständigen Zündeinrichtungen bestehendes Zündsystem zu entwerfen, das in der Lage ist, im Fall des Versagens der deflagrativen Initiierung die detonative Initiierung sicher zu verhindern.It is an object of the present invention to devise an ignition system basically consisting of two independent ignition devices, which is able to reliably prevent the detonative initiation in the event of the failure of the deflagrative initiation.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass im Bereich des Ausgangs der ersten Zündeinrichtung an dem damit korrespondierenden Subdetonationsmechanismus ein Detonationssensor zum Zweck der Detektion der Normalfunktion der Initiierung oder deren Fehlfunktion angeordnet ist, dessen Ausgangsignal mit dem Anschluss für die Freigabe oder Sperrung der zweiten, direkt auf die Sprengladung wirkenden Zündeinrichtung verbunden ist.This object is achieved in that in the region of the output of the first ignition device to the corresponding Subdetonationsmechanismus a detonation sensor for the purpose of detecting the normal function of the initiation or malfunction is arranged, the output signal to the connection for the release or blocking of the second, directly connected to the explosive charge ignition device is connected.

Mittels eines derartigen Zündsystems wird die tatsächliche Initiierung des Subdetonationsmechanismus festgestellt, die ihrerseits die Deflagration der Sprengladung bewirkt. Im Fall der Fehlfunktion der ersten Zündeinrichtung wird somit rechtzeitig die Initiierung der Sprengladung verhindert und damit eine vollständige Detonation der Sprengladung erfolgreich ausgeschlossen.By means of such an ignition system, the actual initiation of the sub-detonation mechanism is detected, which in turn causes the deflagration of the explosive charge. In the case of malfunction of the first ignition device, the initiation of the explosive charge is thus prevented in good time and thus successfully precludes a complete detonation of the explosive charge.

Vorteilhafte Ausgestaltungen des Zündsystems sind den nachgeordneten Ansprüchen entnehmbar und werden in der Beschreibung erörtert.Advantageous embodiments of the ignition system can be taken from the subordinate claims and are discussed in the description.

Die Erfindung ist in den Figuren der Zeichnung schematisch vereinfacht dargestellt und wird im Folgenden näher beschrieben. Es zeigen:

  • Fig. 1: einen Längsschnitt durch ein erfindungsgemäßes Zündsystem,
  • Fig. 2: ein Blockschaltbild des Zündsystems mit Angabe der Funktion der Elemente.
The invention is shown schematically simplified in the figures of the drawing and will be described in more detail below. Show it:
  • Fig. 1 FIG. 3: a longitudinal section through an ignition system according to the invention, FIG.
  • Fig. 2 : a block diagram of the ignition system indicating the function of the elements.

Zur Erläuterung sei vorausgeschickt, dass unter Wirksystem beispielsweise ein Gefechtskopf verstanden wird, der wenigstens eine Sprengladung aufweist, die mit wenigstens zwei unterschiedlichen Zündeinrichtungen auf unterschiedliche Weise initiiert werden kann, wodurch die Leistungsabgabe des Gefechtskopfes in einem weiten Bereich einstellbar ist.For explanation, it is to be understood that the term "active system" means, for example, a warhead having at least one explosive charge which can be initiated with at least two different ignition devices in different ways, whereby the power output of the warhead can be adjusted within a wide range.

Die Erfindung basiert auf der Erfahrung, dass die Zündung skalierbarer Wirksysteme mittels zweier auf der Längsachse des Wirksystems angeordneter Zündeinrichtungen zumindest dann zu Problemen führen kann, wenn beispielsweise beim Zielaufprall diejenige Zündeinrichtung, die die Deflagration der Sprengladung auslösen soll, zerstört wird und anschließend das Wirksystem mit annähernd voller Leistung detoniert.The invention is based on the experience that the ignition of scalable active systems by means of two arranged on the longitudinal axis of the active system ignition devices can at least cause problems, for example, when the target collision that ignition device to trigger the deflagration of the explosive charge is destroyed and then with the system almost full power detonated.

Daraus entstand die Idee, ein Wirksystem mit zwei unmittelbar benachbart angeordneten Zündeinrichtungen zu entwickeln, wobei die skalierbare Leistungsabgabe uneingeschränkt möglich sein soll. Bei diesem Konzept leitet zunächst eine erste Zündeinrichtung die subdetonative Umsetzung des Sprengstoffes ein, ehe dann zeitlich etwas später die detonative Initiierung mittels einer zweiten Zündeinrichtung eingeleitet wird.This led to the idea of developing an active system with two ignition devices arranged directly next to one another, whereby the scalable power output should be possible without restriction. In this concept, initially a first ignition device initiates the subdetonative conversion of the explosive, before then later in time the detonative initiation is initiated by means of a second ignition device.

Es ist aus mehreren Gründen zwingend erforderlich, dass die Initiierung am gleichen Ort erfolgt und dass die Front der Subdetonation fast gleich schnell voranschreitet wie die nachfolgende Detonationsfront. Die skalierbare Leistungsabgabe wird dann über die Verzögerungszeit zwischen der Subdetonation und der Detonation eingestellt.For a number of reasons, it is imperative that initiation occur at the same location and that the front of the sub-detonation progress at almost the same rate as the subsequent detonation front. The scalable power output is then adjusted over the delay time between the sub-detonation and the detonation.

Das Grundprinzip des vorliegenden Zündsystems ist nicht abhängig von der Geometrie des Wirksystems. Das in der Figur 1 dargestellte beispielhafte Zündsystem entspricht von seinem Aufbau her dem Standard der 3inch Luftwaffen- und Marinezünder. Somit liegt es nahe, ein solches Wirksystem in standardisierten Wirkkörpern GK einzubauen, wobei deren Herstellungsprozess zu berücksichtigen ist. Die Einleitung der Detonation in die Sprengladung S erfolgt dabei über den Sprengstoff-Booster, der seitlich im "Side Light"-Verfahren durch die Wandung G den umgebenden Sprengstoff S der Hauptladung initiiert. Mittels entsprechender Dimensionierung kann das Zündsystem auf einfache Weise an bekannte Wirkkörper angepasst werden.The basic principle of the present ignition system is not dependent on the geometry of the active system. That in the FIG. 1 illustrated exemplary ignition system corresponds in structure to the standard of 3inch Air Force and Marine detonators. Thus, it is obvious to incorporate such an effective system in standardized active bodies GK , taking into account their manufacturing process. The initiation of the detonation into the explosive charge S takes place via the explosive booster, which initiates laterally in the "side-light" process through the wall G the surrounding explosive S of the main charge. By means of appropriate dimensioning, the ignition system can be easily adapted to known active body.

Der Einbau des Gehäuses G des Zündsystems erfolgt mittels eines üblichen Einschraubrings in das Gehäuse GKH des Wirksystems GK . Das Volumen und die Position des Steckeranschlusses eines üblicherweise im Inneren der Sprengladung liegenden Spiralkabels wird dabei für den Anschluss des Subdetonationsmechanismus SDM an das Zündsystem genutzt. Diese Verbindung ist so gestaltet, dass sie sich beim Einsetzen des Zündsystemgehäuse G selbsttätig schließt.The installation of the housing G of the ignition system by means of a conventional Einschraubrings in the housing GKH of the active system GK . The volume and the position of the plug connection of a spiral cable usually located inside the explosive charge is used for the connection of the subdetonation mechanism SDM to the ignition system. This connection is designed so that it automatically closes when inserting the ignition system G housing.

In Figur 2 ist das Blockschaltbild des Zündsystems schematisch vereinfacht dargestellt. Die Schärfung beginnt entweder aufgrund einer Entscheidung ARM1, ARM2 oder aufgrund der Sensorsignale Sensor1, Sensor2, die jeweils auf die Sicherheitslogik einwirken. Wenn in der Sicherheitslogik alle Signale für eine gewollte Zündung gegeben sind, wird auch die Stromversorgung HV Generierung Regelung für die Zündkreise bereitgestellt.In FIG. 2 the block diagram of the ignition system is shown schematically simplified. The sharpening begins either on the basis of a decision ARM1, ARM2 or on the basis of the sensor signals Sensor1, Sensor2, which each act on the safety logic. If all signals for a desired ignition are given in the safety logic, the power supply HV generation control is also provided for the ignition circuits.

Eine wesentliche Funktion in der Sicherheitslogik unterdrückt eine ungewollte Frühzündung des detonativen Ausgangs Sie enthält auch eine Zeitfunktion bestehend aus einem programmierbaren Safety Critical Timer, der zusammen mit der Funktion Back Up Timer den Zündkreis b steuert und damit darüber entscheidet, ob in Abhängigkeit vom Ausgangssignal des Detonationswächters die detonative Initiierung der Wirkladung durchgeführt wird oder nicht.An essential function in the safety logic suppresses an unwanted spark advance of the detonative output. It also contains a time function consisting of a programmable safety critical timer, which together with the function Back Up Timer controls the ignition circuit b and thus decides, depending on the output signal of the detonation monitor the detonative initiation of the active charge is carried out or not.

Im Fall des regulären Ablaufs werden die Zündkreise a1 und a2 initiiert, die beide über Detonatoren EFI oder LEEFI auf die Verstärkerladung Übertrager_Verstärker_Elemente einwirken, welchen dann den Subdetonationsmechanismus auslöst. Der Detonationswächter kann hierbei wahlweise gleichwirkend an der Verstärkerladung oder auch am Subdetonationsmechanismus angeordnet sein.In the case of the regular procedure, the ignition circuits a1 and a2 are initiated, which both act via detonators EFI or LEEFI on the amplifier charge Übertrager_Verstärker_Elements, which then triggers the Subdetonationsmechanismus. In this case, the detonation monitor can optionally be arranged with the same effect on the booster charge or on the subdetonation mechanism.

Wenn der Detonationswächter eine korrekte Funktion an den Programmable Safety Critical Timer liefert wird auch der Zündkreis b nach einer von der gewünschten Leistung der Wirkladung abhängigen Zeitverzögerung initiiert, so dass über einen Detonator EFI oder LEEFI und eine weitere Verstärkerladung der Booster zur detonativen Initiierung der Wirkladung gezündet wird.If the detonator provides correct function to the programmable safety critical timer, the ignition circuit b is also initiated after a time delay dependent on the desired active charge power, so that the detonator initiates the active charge via a detonator EFI or LEEFI and another booster charge becomes.

Der Ablauf einer Schärfung ist wie folgt. Je nach Programmierung erhält das Zündsystem sein Startsignal entweder von extern, wie beispielsweise von einem Bodenabstandssensor oder von der Steuerung des Flugkörpers, oder das Zündsystem erhält es von einem internen Aufschlagsensor. Mit Hilfe der Programmierung können unterschiedliche Bedingungen am Zielort berücksichtigt werden. Damit kann das Startsignal entweder als Quick Detonation (Sofortzündung), oder auch zeitverzögert oder auch abgängig von Umgebungsbedingungen erfolgen.The process of sharpening is as follows. Depending on the programming, the ignition system receives its start signal either externally, such as from a ground clearance sensor or from the missile control, or the ignition system receives it from an internal impact sensor. With the help of the programming different conditions at the destination can be considered. Thus, the start signal can either be done as a quick detonation (instantaneous ignition), or even with a time delay or even out of ambient conditions.

Im Normalfall wird dann der Deflagrationsmechanismus über die Zündkreise a1 und a2 gestartet. Der Detonationswächter prüft den korrekten Ablauf und startet den programmierten Timer zur Einleitung der detonativen Initiierung über den Trigger Zündkreis b. Von dort an läuft eine reguläre Zündung über einen weiteren Detonator EFI oder LEEFI auf einen weiteren Übertrager-Verstärker-Elemente auf den Booster zur detonativen Initiierung der Wirkladung. Sollte dieser Weg ausfallen, so wird auch die detonative Initiierung der Sprengladung S nicht stattfinden.Normally, the deflagration mechanism is then started via the ignition circuits a1 and a2. The detonation monitor checks the correct sequence and starts the programmed timer to initiate the detonation initiation via the Trigger ignition circuit b. From there, a regular ignition via another detonator EFI or LEEFI runs on another transformer-amplifier elements on the booster for detonative initiation of the active charge. Should this way fail, so the detonation initiation of the explosive charge S will not take place.

Aufgrund der beiden unterschiedlichen Wege der subdetonativen und der detonativen Initiierung wird sicher gestellt, dass eine unerwünschte detonative Initiierung der Sprengladung S in jedem Fall ausgeschlossen werden kann.Due to the two different ways of subdetonative and detonative initiation, it is ensured that an undesirable detonative initiation of the explosive charge S can be excluded in any case.

Der Timer in der zentralen Steuereinheit ist sicherheitskritisch, da eine Frühzündung zu einer ungewollten höheren Leistungsabgabe des Wirksystems führt. Dieser Timer ist gemäß den Bestimmungen der STANAG 4187 ausgeführt. Durch diese Ausführung ist sichergestellt, dass mit hoher Sicherheit die eingestellte Verzögerungszeit zur Leistungssteuerung des Wirksystems nicht unterschritten wird. Der Detonationswächter kann in verschiedenen Arten ausgeführt werden. Dies kann ein mechanischer oder ein optischer Sensor sein. Ebenso gut können Koaxialkabel, Lichtleiter oder Ionisationssensoren Verwendung finden.The timer in the central control unit is critical to safety, as a pre-ignition leads to an unwanted higher power output of the active system. This timer is executed in accordance with the provisions of STANAG 4187. This design ensures that the set delay time for power control of the active system is not exceeded with a high level of safety. The detonator can be executed in different ways. This can be a mechanical or an optical sensor. Coaxial cables, optical fibers or ionization sensors can be used as well.

Claims (9)

Zündsystem für ein skalierbares Wirksystem, welches wenigstens eine Sprengladung aufweist, wobei eine erste Zündeinrichtung für eine Initiierung eines Subdetonationsmechanismus vorgesehen ist, mit dem die Sprengladung zur Deflagration anregbar ist, wobei eine zweite Zündeinrichtung für eine detonative Initiierung der Sprengladung vorgesehen ist, und wobei die Zündeinrichtungen unabhängig voneinander mittels einer Steuereinheit auslösbar sind und beide Zündeinrichtungen unmittelbar benachbart angeordnet sind, dadurch gekennzeichnet, dass im Bereich des Ausgangs der ersten Zündeinrichtung und einem damit korrespondierenden Subdetonationsmechanismus (SDM) ein Detonationssensor zum Zweck der Detektion der Normalfunktion der Initiierung oder deren Fehlfunktion der ersten Zündeinrichtung angeordnet ist, dessen Ausgangsignal mit dem Anschluss für die Freigabe oder Sperrung der zweiten, direkt auf die Sprengladung wirkenden Zündeinrichtung verbunden ist, wobei im Falle der Fehlfunktion der ersten Zündeinrichtung die detonative Initiierung der Sprengladung verhindert wird.A scalable action system ignition system having at least one explosive charge, wherein a first igniter is provided for initiating a subdetonation mechanism to excite the explosive charge for deflagration, wherein a second igniter is provided for detonative initiation of the explosive charge, and wherein the igniters are independently triggered by a control unit and both ignition devices are arranged immediately adjacent, characterized in that in the region of the output of the first ignition device and a corresponding Subdetonationsmechanismus (SDM) a detonation sensor for the purpose of detecting the normal function of the initiation or their malfunction of the first ignition device is arranged, whose output signal is connected to the connection for the release or blocking of the second, acting directly on the explosive charge ignition device, wherein in the case of Fehlfu tion of the first ignition device, the detonative initiation of the explosive charge is prevented. Zündsystem nach Anspruch 1, dadurch gekennzeichnet, dass die erste Zündeinrichtung redundant ausgeführt ist.Ignition system according to claim 1, characterized in that the first ignition device is redundant. Zündsystem nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die zweite Zündeinrichtung redundant ausgeführt ist.Ignition system according to claim 1 or 2, characterized in that the second ignition device is redundant. Zündsystem nach wenigstens einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Zündsystem eine zentrale Steuereinheit aufweist.Ignition system according to at least one of claims 1 to 3, characterized in that the ignition system has a central control unit. Zündsystem nach Anspruch 4, dadurch gekennzeichnet, dass die Steuereinheit mit wenigstens zwei Umweltsensoren verbunden ist.Ignition system according to claim 4, characterized in that the control unit is connected to at least two environmental sensors. Zündsystem nach Anspruch 5, dadurch gekennzeichnet, dass die Steuereinheit mit einer Sicherheitslogik verbunden ist, die ihrerseits mit der Zündfreigabe und Umweltsensoren verbunden ist, und je nach Art ihrer Eingangsgrößen die Zündung sperrt oder freigibt.Ignition system according to claim 5, characterized in that the control unit is connected to a safety logic, which in turn is connected to the ignition release and environmental sensors, and locks or releases the ignition depending on the nature of their input variables. Zündsystem nach Anspruch 6, dadurch gekennzeichnet, dass die Steuereinheit programmierbar ist.Ignition system according to claim 6, characterized in that the control unit is programmable. Zündsystem nach wenigstens einem der Anspruche 6 oder 7, dadurch gekennzeichnet, dass die Sicherheitslogik eine Zeitschaltung aufweist, welche in Abhängigkeit von Eingangssignalen innerhalb eines Zeitfensters oder zu einem definierten Zeitpunkt weitere Funktionen steuert.Ignition system according to at least one of claims 6 or 7, characterized in that the safety logic has a timing circuit which controls other functions depending on input signals within a time window or at a defined time. Zündsystem nach wenigstens einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass das gesamte System in einem kompakten Gehäuse angeordnet ist, welches in ein Mundloch des Wirksystems einschiebbar ist, wobei selbsttätig die notwendigen elektrischen Anschlüsse zu weiteren Funktionselementen des Wirksystems verbindbar sind.Ignition system according to at least one of claims 1 to 8, characterized in that the entire system is arranged in a compact housing which can be inserted into a mouth of the active system, wherein the necessary electrical connections to further functional elements of the active system can be connected automatically.
EP15000783.9A 2014-03-20 2015-03-17 Ignition system for a scalable active system Not-in-force EP2921814B1 (en)

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US9273939B2 (en) 2016-03-01
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DE102014004003B3 (en) 2014-10-30
US20150345915A1 (en) 2015-12-03

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