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EP1930686A1 - Spin stabilized artillery munition with trajectory correction - Google Patents

Spin stabilized artillery munition with trajectory correction Download PDF

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Publication number
EP1930686A1
EP1930686A1 EP07023111A EP07023111A EP1930686A1 EP 1930686 A1 EP1930686 A1 EP 1930686A1 EP 07023111 A EP07023111 A EP 07023111A EP 07023111 A EP07023111 A EP 07023111A EP 1930686 A1 EP1930686 A1 EP 1930686A1
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EP
European Patent Office
Prior art keywords
load
steering unit
ammunition
artillery ammunition
artillery
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
EP07023111A
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German (de)
French (fr)
Other versions
EP1930686B1 (en
Inventor
Klaus Bär
Karl Kautzsch
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 Defence GmbH and Co KG
Original Assignee
Diehl BGT Defence GmbH and Co KG
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Publication date
Application filed by Diehl BGT Defence GmbH and Co KG filed Critical Diehl BGT Defence GmbH and Co KG
Priority to PL07023111T priority Critical patent/PL1930686T3/en
Publication of EP1930686A1 publication Critical patent/EP1930686A1/en
Application granted granted Critical
Publication of EP1930686B1 publication Critical patent/EP1930686B1/en
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Anticipated expiration legal-status Critical

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
    • F42B10/60—Steering arrangements
    • F42B10/62—Steering by movement of flight surfaces
    • F42B10/64—Steering by movement of flight surfaces of fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
    • F42B10/02—Stabilising arrangements
    • F42B10/26—Stabilising arrangements using spin

Definitions

  • the invention relates to an artillery ammunition according to the preamble of the main claim.
  • Such a device is from the DE 1 01 34 785 A1 known.
  • This in itself unguided artillery ammunition is characterized by, with a single uniaxial pair of steering canards, so with only a two-dimensional control system, perform a spatial (ie three-dimensional) path correction and thereby the intrinsically systemic inherent delivery error in all directions to narrow targeted decisively ,
  • the opposite of the ammunition longitudinal axis electromotorically engageable Canarderiel on the steering unit, the uncoupled from ammunition body tapered front end of the artillery ammunition, depending on their sensory detected instantaneous position in space a pitch or yaw movement of artillery ammunition.
  • these two Canard wings for their employment with respect to the ammunition longitudinal axis via a common transverse to the ammunition longitudinal axis through the steering unit extending through Canardwelle which is rotatable by means of a single servomotor.
  • the electrical energy for the operation of this servomotor is obtained via the relative speed between ammunition body and steering unit in a generator which supplies the servomotor directly and / or via an energy store.
  • the generator operation represents a mechanical resistance to the rolling motion due to the mass moment of inertia of the projectile body.
  • a termination of the operation of the servomotor is compared to the load case, a relief of the generator and accordingly affects the effective between the stator and the rotor of the generator reaction torque, which in turn repercussions the momentary roll behavior of artillery ammunition and thus theirs Flight stability has. Therefore, the energy currently not required by the actuator motor is switched to a surplus load to avoid such repercussions on the rolling behavior as possible by constant load on the generator.
  • the present invention is based on the technical problem of designing an artillery ammunition of the generic type in such a way that the load-related heat radiation does not lead to critical heating in the steering unit.
  • the substitute load to which the generator in the roller decoupling engagement region of the Canard steering unit of a roll-stabilized railway-correctable artillery ammunition can be switched to avoid load fluctuations at the operating end of the servomotor, as an electrical resistance or designed in Canard vom behind the leading edges, and preferably in non-adjustable mounted Entdrallcanards.
  • the spin-stabilized artillery ammunition 11 to be moved is equipped with a steering unit 13 in front of the ammunition body 12 receiving the payload, instead of a conventional impact, time or proximity detonator.
  • The is equipped behind their radome 14 with sensor devices 15 for trajectory monitoring and target approach, but above all also with a control system 16 for trajectory control.
  • a servomotor 17 acts in this example case the only control shaft 18 of a single-axis Canard control system 16, which extends transversely to the longitudinal axis 19 of the artillery ammunition 11 through the hollow conically configured steering unit 13 therethrough. With its two ends, the control shaft 18 is rotatably connected to a respective Canard control wing, the diametrically opposite each other from the outer contour of the steering unit 13 radially - but not überkalibrig - protrude.
  • the steering unit 13 is roll-coupled via axially staggered, preferably designed as bearings, bearings 20 from the ammunition body 12, in which it engages with a rear pipe stub.
  • This engagement region of the steering unit 13 including its conical area in front of the adjusting shaft 18, with respect to the ammunition body 12 leads a job of Canard wings against the ammunition longitudinal axis 19 by turning its control shaft 18 to a web change due Pitching and / or yawing movement of the artillery ammunition 11.
  • To control this setting process dynamically, is transverse to Pair of Canard wings a pair of Entdrallcanards 21 attached to the steering unit 13.
  • This speed difference is used in an electrodynamic generator 22 for obtaining electrical energy, in particular for the operation of the servomotor 17, but also for the sensor devices 15, for example.
  • the ammunition body 12 between the bearings 20 along a concentric to the axis 19 circle with mutually spaced, alternately poled permanent magnet 23 is fitted. Due to the relative rotation between ammunition body 12 and steering unit 13 pass through their induction coils 24, a magnetic alternating field and provide so without the requirement of slip rings a high-frequency AC voltage to a voltage conditioning circuit 25 with rectification inside the generator 22 supporting pipe socket of the steering unit 13.
  • a small-sized energy store 26 can be recharged or buffered; but above all is connected to the voltage conditioning circuit 25, the control system 16 with its Canard servomotor 17.
  • the respective Canarderiel 21 substantially or entirely of electrically conductive material (for example, from appropriately adjusted plastic) consist, for example, by a direction indicated in the drawing insulating barrier 31 a sufficiently large resistance of this replacement load 28 sufficiently long current path is enforced.
  • the heat generated in the reserve load 28 does not additionally burden the heat balance in the interior of the steering unit 13 and does not have to be dissipated specifically from the interior of the steering unit 13 - but is generated just outside the steering unit 13 and via the heavily impinged canard surfaces 30 is disposed of most effectively.

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
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  • Power Steering Mechanism (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
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Abstract

Artillery ammunition (11) comprises a guiding unit (13) with an electrical generator (22) which can be switched over to a replacement charge (28). The generator is formed on or in the guiding unit surfaces (30). Preferred Features: The replacement charge is formed in the guiding unit surface or along the flow edge (29).

Description

Die Erfindung betrifft eine Artilleriemunition gemäß dem Oberbegriff des Hauptanspruches.The invention relates to an artillery ammunition according to the preamble of the main claim.

Eine derartige Einrichtung ist aus der DE 1 01 34 785 A1 bekannt. Diese an sich ungelenkte Artilleriemunition zeichnet sich dadurch aus, mit einem einzigen einachsigen Paar von Lenkcanards, also mit einem an sich nur zweidimensionalen Steuerungssystem, eine räumliche (also dreidimensionale) Bahnkorrektur durchführen und dadurch die an sich systemimmanenten Ablieferungsfehler in allen Richtungen zielorientiert entscheidend einengen zu können. Die gegenüber der Munitions-Längsachse elektromotorisch anstellbaren Canardflügel an der Lenkeinheit, der vom Munitionskörper rollentkoppelten verjüngten Frontpartie der Artilleriemunition, bewirken je nach ihrer sensorisch erfassten momentanen Lage im Raum eine Nick- oder Gierbewegung der Artilleriemunition. Vorzugsweise verfügen diese beiden Canardflügel für ihre Anstellung gegenüber der Munitions-Längsachse über eine gemeinsame, quer zur Munitions-Längsachse durch den Lenkeinheit hindurch sich erstreckende Canardwelle, die mittels eines einzigen Stellmotors verdrehbar ist.Such a device is from the DE 1 01 34 785 A1 known. This in itself unguided artillery ammunition is characterized by, with a single uniaxial pair of steering canards, so with only a two-dimensional control system, perform a spatial (ie three-dimensional) path correction and thereby the intrinsically systemic inherent delivery error in all directions to narrow targeted decisively , The opposite of the ammunition longitudinal axis electromotorically engageable Canardflügel on the steering unit, the uncoupled from ammunition body tapered front end of the artillery ammunition, depending on their sensory detected instantaneous position in space a pitch or yaw movement of artillery ammunition. Preferably, these two Canard wings for their employment with respect to the ammunition longitudinal axis via a common transverse to the ammunition longitudinal axis through the steering unit extending through Canardwelle which is rotatable by means of a single servomotor.

Die elektrische Energie für den Betrieb dieses Stellmotors wird über die Relativgeschwindigkeit zwischen Munitionskörper und Lenkeinheit in einem Generator gewonnen, der den Stellmotor unmittelbar und/oder über einen Energiespeicher versorgt. Der Generatorbetrieb stellt einen mechanischen Widerstand gegen die Rollbewegung aufgrund des Masseträgheitsmomentes des Geschoßkörpers dar. Eine Beendigung des Betriebs des Stellmotors stellt gegenüber dem Lastfall eine Entlastung des Generators dar und beeinflusst dementsprechend das zwischen dem Stator und dem Rotor des Generators wirksame Reaktionsmoment, das seinerseits Rückwirkungen auf das momentane Rollverhalten der Artilleriemunition und somit ihrer Flugstabilität hat. Deshalb wird die momentan nicht vom Stellmotor benötigte Energie auf eine Ersatzlast umgeschaltet, um durch konstante Belastung des Generators solche Rückwirkungen auf das Rollverhalten möglichst zu vermeiden.The electrical energy for the operation of this servomotor is obtained via the relative speed between ammunition body and steering unit in a generator which supplies the servomotor directly and / or via an energy store. The generator operation represents a mechanical resistance to the rolling motion due to the mass moment of inertia of the projectile body. A termination of the operation of the servomotor is compared to the load case, a relief of the generator and accordingly affects the effective between the stator and the rotor of the generator reaction torque, which in turn repercussions the momentary roll behavior of artillery ammunition and thus theirs Flight stability has. Therefore, the energy currently not required by the actuator motor is switched to a surplus load to avoid such repercussions on the rolling behavior as possible by constant load on the generator.

Da der erwähnte Energiespeicher wegen der extrem beengten Einbauverhältnisse nur klein ausgelegt werden kann, kommt als Ersatzlast praktisch nur das Umschalten vom Stellmotor auf einen Widerstand in Betracht. Die darin entstehende joulsche Wärme liefert einen wesentlichen zusätzlichen Beitrag zur Wärmeabstrahlung der anderen Funktionskomponenten wie des Generators und des Stellmotors aufgrund Induktions- und Lagererwärmung, wodurch die Wärmebilanz im Innern der gegenüber der Außenwelt hermetisch abgeschotteten Lenkeinheit schnell funktionskritisch werden kann.Since the mentioned energy storage can be designed only small because of the extremely cramped installation conditions, comes as a replacement load practically only the switching from the servo motor to a resistance into consideration. The resulting Joule heat provides a significant additional contribution to the heat radiation of other functional components such as the generator and the servomotor due to induction and storage heating, whereby the heat balance inside the hermetically sealed to the outside steering unit can quickly become critical to function.

In Erkenntnis dieser Gegebenheiten liegt vorliegender Erfindung die technische Problemstellung zugrunde, eine Artilleriemunition gattungsgemäßer Art derart auszulegen, dass die lastbedingte Wärmeabstrahlung nicht zu kritischer Erwärmung in der Lenkeinheit führt.In recognition of these circumstances, the present invention is based on the technical problem of designing an artillery ammunition of the generic type in such a way that the load-related heat radiation does not lead to critical heating in the steering unit.

Diese Aufgabe ist erfindungsgemäß durch die wesentlichen im Hauptanspruch angegebenen Merkmale gelöst. Danach tritt die ersatzlastbedingte Erwärmung außerhalb der Lenkeinheit, nämlich in Canardflächen auf. Dadurch bedarf es keiner konstruktiven Maßnahmen im Innern der Lenkeinheit, um diese ersatzlastbedingten Wärmemengen zu kanalisieren und in möglichst funktionsunkritische Bereiche abzuleiten. Denn die Ersatzlast trägt nicht mehr zur Wärmebilanz im Innern der Lenkeinheit bei, weil sie erst außerhalb ihrer, an oder in den Flächen der Canardflügel erzeugt wird. Die dort auftretende Erwärmung ist an sich schon funktionsunkritisch, und sie wird obendrein durch die großflächige Luftanströmung rasch abgeführt.This object is achieved by the essential features specified in the main claim. Thereafter, the replacement load-related heating occurs outside the steering unit, namely in Canardflächen. As a result, there is no need for constructive measures in the interior of the steering unit in order to channel these heat loads caused by replacement loads and to divert them into areas which are asunfunctionally critical as possible. Because the replacement load no longer contributes to the heat balance in the interior of the steering unit, because it is generated only outside of, on or in the surfaces of Canardflügel. The heating occurring there is already functionally critical in itself, and it is on top of that quickly dissipated by the large-scale air inflow.

Weil die Wärmeabstrahlung von der Ersatzlast nicht mehr kritisch ist, sind dadurch auch weitgehende Möglichkeiten zur Steuerung der Relativbewegung zwischen Munitionskörper und Lenkeinheit über umschaltbar gestaffelte Ersatzlasten eröffnet. Das ist von besonderem Interesse, wenn der Generatorbetrieb über variable Energieabgabe die Rollrate der Lenkeinheit beeinflusst oder über konstante Energieabgabe zur Rollstabilisierung eingesetzt wird. Umgekehrt kann der Generator auch vorübergehend aus dem Energiespeicher zur Rollwinkeleinstellung als Motor betrieben werden.Because the heat radiation from the replacement load is no longer critical, this also far possibilities for controlling the relative movement between the ammunition body and steering unit on switchable graduated replacement loads opened. This is of particular interest if generator operation via variable energy output influences the roll rate of the steering unit or is used to stabilize the roll via constant energy output. Conversely, the generator can also be temporarily operated from the energy storage for roll angle adjustment as a motor.

Um also erfindungsgemäß eine zusätzliche Wärmequelle im Innern der Lenkeinheit zu vermeiden, ist die Ersatzlast, auf die der Generator im Rollentkopplungs-Eingriffsbereich der Canard-Lenkeinheit einer rollstabilisierten bahnkorrigierbaren Artilleriemunition zum Vermeiden von Lastschwankungen bei Betriebsende des Stellmotors umschaltbar ist, als elektrischer Widerstand auf, an oder in Canardflächen hinter deren Anströmkanten ausgelegt, und das vorzugsweise bei nicht einstellbar montierten Entdrallcanards.Thus, in order to avoid an additional heat source in the interior of the steering unit according to the invention, the substitute load to which the generator in the roller decoupling engagement region of the Canard steering unit of a roll-stabilized railway-correctable artillery ammunition can be switched to avoid load fluctuations at the operating end of the servomotor, as an electrical resistance or designed in Canardflächen behind the leading edges, and preferably in non-adjustable mounted Entdrallcanards.

Zusätzliche Weiterbildungen und Alternativen zur erfindungsgemäßen Lösung ergeben sich aus den weiteren Ansprüchen und, auch unter Berücksichtigung von deren Vorteilen, aus nachstehender Beschreibung eines nicht ganz maßstabsgerecht auf das Funktionswesentliche vereinfacht skizzierten bevorzugten Realisierungsbeispiels zur Erfindung. Die einzige Figur der Zeichnung veranschaulicht im abgebrochen dargestellten Axial-Längsschnitt die Ausstattung der Lenkeinheit vor dem Munitionskörper.Additional refinements and alternatives to the inventive solution will become apparent from the other claims and, taking into account the advantages thereof, from the following description of a not quite to scale on the functional essentials outlined preferred implementation example of the invention. The sole figure of the drawing illustrates in broken axial longitudinal section shown the equipment of the steering unit in front of the ammunition body.

Die drallstabilisiert zu verbringende Artilleriemunition 11 ist vor dem die Nutzlast aufnehmenden Munitionskörper 12, anstelle mit einem herkömmlichen Aufschlag-, Zeit- oder Annäherungszünder, mit einer Lenkeinheit 13 ausgestattet. Die ist hinter ihrem Radom 14 mit Sensoreinrichtungen 15 für die Flugbahnüberwachung und Zielannäherung bestückt, vor allem aber auch mit einem Stellsystem 16 für die Flugbahnsteuerung. Dafür wirkt ein Stellmotor 17 auf in diesem Beispielsfalle die einzige Stellwelle 18 eines einachsigen Canard-Stellsystemes 16, die sich quer zur Längsachse 19 der Artilleriemunition 11 durch die hohlkegelförmig konfigurierte Lenkeinheit 13 hindurch erstreckt. Mit ihren beiden Stirnenden ist die Stellwelle 18 drehfest an je einen Canard-Stellflügel angeschlossen, die einander diametral gegenüber von der Außenkontur der Lenkeinheit 13 radial - aber nicht überkalibrig - vorragen.The spin-stabilized artillery ammunition 11 to be moved is equipped with a steering unit 13 in front of the ammunition body 12 receiving the payload, instead of a conventional impact, time or proximity detonator. The is equipped behind their radome 14 with sensor devices 15 for trajectory monitoring and target approach, but above all also with a control system 16 for trajectory control. For this purpose, a servomotor 17 acts in this example case the only control shaft 18 of a single-axis Canard control system 16, which extends transversely to the longitudinal axis 19 of the artillery ammunition 11 through the hollow conically configured steering unit 13 therethrough. With its two ends, the control shaft 18 is rotatably connected to a respective Canard control wing, the diametrically opposite each other from the outer contour of the steering unit 13 radially - but not überkalibrig - protrude.

Die Lenkeinheit 13 ist über axial gegeneinander versetzte, vorzugsweise als Wälzlager ausgelegte, Lagerstellen 20 vom Munitionskörper 12, in den sie rückwärtig mit einem Rohrstutzen eingreift, rollentkoppelt. Je nach der momentanen Rollstellung dieses Eingriffsbereiches der Lenkeinheit 13, also auch ihrer im konischen Bereich davor gelegenen Stellwelle 18, in Bezug auf den Munitionskörper 12 führt eine Anstellung der Canard-Stellflügel gegenüber der Munitions-Längsachse 19 durch Verdrehen ihrer Stellwelle 18 zu einer Bahnänderung infolge Nick- und/oder Gierbewegung der Artilleriemunition 11. Um diesen Stellvorgang dynamisch zu beherrschen, ist quer zum Paar der Canard-Stellflügel ein Paar von Entdrallcanards 21 an der Lenkeinheit 13 befestigt. Die weisen einen konstruktiv fest vorgegebenen Anstellwinkel gegenüber der Munitions-Längsachse 19 auf, um den Drall der Lenkeinheit 13, möglichst bald nach dem Abschuss der Artilleriemunition 11 aus dem gezogenen Rohr, auf größenordnungsmäßig weniger als zehn Prozent des Stabilisierungsdralles des Munitionskörpers 12 zu reduzieren.The steering unit 13 is roll-coupled via axially staggered, preferably designed as bearings, bearings 20 from the ammunition body 12, in which it engages with a rear pipe stub. Depending on the current rolling position of this engagement region of the steering unit 13, including its conical area in front of the adjusting shaft 18, with respect to the ammunition body 12 leads a job of Canard wings against the ammunition longitudinal axis 19 by turning its control shaft 18 to a web change due Pitching and / or yawing movement of the artillery ammunition 11. To control this setting process dynamically, is transverse to Pair of Canard wings a pair of Entdrallcanards 21 attached to the steering unit 13. The have a structurally fixed angle of attack with respect to the ammunition longitudinal axis 19 in order to reduce the swirl of the steering unit 13, as soon as possible after the launch of the artillery ammunition 11 from the drawn tube, on the order of less than ten percent of the stabilization swirl of the ammunition body 12.

Dieser Drehzahlunterschied wird in einem elektrodynamischern Generator 22 zum Gewinnen elektrischer Energie insbesondere für den Betrieb des Stellmotors 17, aber auch etwa für die Sensoreinrichtungen 15, genutzt. Dafür ist der Munitionskörper 12 zwischen den Lagerstellen 20 längs eines zur Achse 19 konzentrischen Kreises mit zueinander distanzierten, abwechselnd gepolten Permanentmagneten 23 bestückt. Infolge der Relativdrehung zwischen Munitionskörper 12 und Lenkeinheit 13 durchfahren deren Induktionsspulen 24 ein magnetisches Wechselfeld und liefern so ohne das Erfordernis von Schleifringen eine hochfrequente Wechselspannung an eine Spannungsaufbereitungsschaltung 25 mit Gleichrichtung im Innern des den Generator 22 tragenden Rohrstutzens der Lenkeinheit 13. Daraus kann, etwa zum Sichern einer unterbrechungsfreien Stromversorgung z.B. für die Sensoreinrichtungen 15 bzw. für vorübergehrendes Umschalten auf Motorbetrieb des Generators 22, ein kleinbauender Energiespeicher 26 nachgeladen bzw. gepuffert werden; vor allem aber ist an die Spannungsaufbereitungsschaltung 25 das Stellsystem 16 mit seinem Canard-Stellmotor 17 angeschlossen.This speed difference is used in an electrodynamic generator 22 for obtaining electrical energy, in particular for the operation of the servomotor 17, but also for the sensor devices 15, for example. For this, the ammunition body 12 between the bearings 20 along a concentric to the axis 19 circle with mutually spaced, alternately poled permanent magnet 23 is fitted. Due to the relative rotation between ammunition body 12 and steering unit 13 pass through their induction coils 24, a magnetic alternating field and provide so without the requirement of slip rings a high-frequency AC voltage to a voltage conditioning circuit 25 with rectification inside the generator 22 supporting pipe socket of the steering unit 13. It can, for example Secure an uninterruptible power supply eg for the sensor devices 15 or for temporarily switching over to the motor operation of the generator 22, a small-sized energy store 26 can be recharged or buffered; but above all is connected to the voltage conditioning circuit 25, the control system 16 with its Canard servomotor 17.

Die mit Beendigung des Stellvorganges infolge Abschaltens des Stellmotors 17 auftretende Entlastung des Generators 22 und der an sich damit einhergehende Drehmomentensprung zwischen Lenkeinheit 13 und Munitionskörper 12 wird dadurch praktisch unterdrückt, dass eine Umschaltlogik 27 den Energiebedarf des Stellmotors 17 in eine entsprechend bemessene Ersatzlast 28 umlenkt. Die ist in oder an (also bei) den mechanisch an der Lenkeinheit 13 festgelegten Entdrallcanards 21 ausgebildet, etwa wie skizziert als gestreckter Leiter dicht hinter der Anströmkante 29 der Entdrallcanards 21 oder als im Wesentlichen flächiger Leiter auf oder in der Canardfläche 30. In letzterem Falle kann auch der jeweilige Canardflügel 21 im Wesentlichen oder insgesamt aus elektrisch leitendem Material (etwa aus entsprechend eingestelltem Kunststoff) bestehen, wobei etwa durch eine in der Zeichnung angedeutete isolierende Barriere 31 ein für ausreichend großen Widerstand dieser Ersatzlast 28 hinreichend langer Stromweg erzwungen wird.The discharge of the generator 22 and the inherent torque jump between the steering unit 13 and the ammunition body 12, which occurs at the end of the adjusting process as a result of switching off the servomotor 17, is practically suppressed by a switching logic 27 which deflects the energy requirement of the servomotor 17 into a correspondingly dimensioned equivalent load 28. This is formed in or on (ie at) the entdrallcanards 21 mechanically fixed to the steering unit 13, approximately as sketched as an elongated conductor just behind the leading edge 29 of the entangling canards 21 or as a substantially planar conductor on or in the canard surface 30. In the latter case can also be the respective Canardflügel 21 substantially or entirely of electrically conductive material (for example, from appropriately adjusted plastic) consist, for example, by a direction indicated in the drawing insulating barrier 31 a sufficiently large resistance of this replacement load 28 sufficiently long current path is enforced.

Entscheidend ist, dass die in der Ersatzlast 28 entstehende Stromwärme nicht die Wärmebilanz im Innern der Lenkeinheit 13 zusätzlich belastet, und auch nicht eigens aus dem Innern der Lenkeinheit 13 abgeführt werden muss - sondern gleich außerhalb der Lenkeinheit 13 erzeugt und über die stark angeströmten Canardflächen 30 höchst wirksam entsorgt wird.It is crucial that the heat generated in the reserve load 28 does not additionally burden the heat balance in the interior of the steering unit 13 and does not have to be dissipated specifically from the interior of the steering unit 13 - but is generated just outside the steering unit 13 and via the heavily impinged canard surfaces 30 is disposed of most effectively.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1111
Artilleriemunitionartillery ammunition
1212
Munitionskörperammunition
1313
Lenkeinheitsteering unit
1414
RadomRadom
1515
Sensoreinrichtungensensor devices
1616
Stellsystemparking system
1717
Stellmotorservomotor
1818
Stellwelleactuating shaft
1919
Längsachselongitudinal axis
2020
Lagerstellenbearings
2121
EntdrallcanardsEntdrallcanards
2222
Generatorgenerator
2323
Permanentmagnetepermanent magnets
2424
Induktionsspuleninductors
2525
SpannungsaufbereitungsschaltungPower conditioning circuit
2626
Energiespeicherenergy storage
2727
Umschaltlogikswitching logic
2828
Ersatzlastdummy load
2929
Anströmkanteleading edge
3030
CanardflächeCanardfläche
3131
Barrierebarrier

Claims (8)

Drallstabilisierte bahnkorrigierbare Artilleriemunition (11) mit einer von ihrem Munitionskörper (12) drehentkoppelten Canard-Lenkeinheit (13) und im Eingriffsbereich der Lenkeinheit (13) in den Munitionskörper (12) mit einem elektrischen Generator (22) zum Betrieb eines Canard-Stellsystemes (16),
dadurch gekennzeichnet,
dass der Generator (22) auf eine Ersatzlast (28) umschaltbar ist, die an oder in Canardflächen (30) ausgebildet ist.Spin-stabilized track-correctable artillery ammunition (11) having a canard steering unit (13) coupled in rotation from its ammunition body (12) and an ammunition body (12) in the area of engagement of the steering unit (13) with an electric generator (22) for operating a canard positioning system (16 )
characterized,
that the generator (22) to a dummy load (28) can be switched, which is formed on or in Canardflächen (30). Artilleriemunition nach dem vorangehenden Anspruch,
dadurch gekennzeichnet,
dass die Ersatzlast (28) bei starr montierten Entdrallcanards (21) vorgesehen ist.Artillery ammunition according to the preceding claim,
characterized,
that the replacement load (28) is provided for rigidly mounted Entdrallcanards (21). Artilleriemunition nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,
dass die Ersatzlast (28) in der Canardfläche (30) ausgebildet ist.Artillery ammunition according to one of the preceding claims,
characterized,
that the substitute load (28) is formed in the Canardfläche (30). Artilleriemunition nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,
dass die Ersatzlast (28) längs der Anströmkante (29) ausgebildet ist.Artillery ammunition according to one of the preceding claims,
characterized,
that the substitute load (28) is formed along the leading edge (29). Artilleriemunition nach einem der vorangehenden Ansprüche ohne den unmittelbar vorangehenden Anspruch,
dadurch gekennzeichnet,
dass die Ersatzlast (28) längs konstruktiv vorgegebener Stromwege durch Canardflächen (30) gegeben ist.Artillery ammunition according to one of the preceding claims without the immediately preceding claim,
characterized,
that the substitute load (28) along structurally predetermined current paths through Canardflächen (30) is given. Artilleriemunition nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,
dass eine umschaltbar gestaffelte Ersatzlast (28) vorgesehen ist.Artillery ammunition according to one of the preceding claims,
characterized,
that a switchable staggered replacement load (28) is provided. Artilleriemunition nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,
dass der Generator (22) über eine Umschaltlogik (27) auf einen Energiespeicher (26) und auf den Canard-Stellmotor (17) bzw. die Ersatzlast (28) schaltbar ist.Artillery ammunition according to one of the preceding claims,
characterized,
that the generator (22) via a switching logic (27) to an energy store (26) and to the canard control motor (17) or the substitute load (28) is switchable. Artilleriemunition nach dem vorangehenden Anspruch,
dadurch gekennzeichnet,
dass die Umschaltlogik (27) über eine Spannungsaufbereitungsschaltung (25) an Induktionsspulen (24) angeschlossen ist, die im Eingriffsbereich der Lenkeinheit (13) in den Munitionskörper (12) zwischen axial gegeneinander versetzten Lagerstellen (20) durch eine Folge abwechselnder Polaritäten von Permanentmagneten (23) rotieren.Artillery ammunition according to the preceding claim,
characterized,
in that the switching logic (27) is connected via a voltage conditioning circuit (25) to induction coils (24) in the area of engagement of the steering unit (13) in the ammunition body (12) between axially offset bearings (20) by a series of alternating polarities of permanent magnets ( 23) rotate.
EP07023111A 2006-12-05 2007-11-29 Spin stabilized artillery munition with trajectory correction Active EP1930686B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07023111T PL1930686T3 (en) 2006-12-05 2007-11-29 Spin stabilized artillery munition with trajectory correction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006057229A DE102006057229B9 (en) 2006-12-05 2006-12-05 Spin-stabilized path-correctable artillery ammunition

Publications (2)

Publication Number Publication Date
EP1930686A1 true EP1930686A1 (en) 2008-06-11
EP1930686B1 EP1930686B1 (en) 2009-02-04

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Country Status (6)

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US (1) US7584922B2 (en)
EP (1) EP1930686B1 (en)
AT (1) ATE422231T1 (en)
DE (2) DE102006057229B9 (en)
ES (1) ES2320708T3 (en)
PL (1) PL1930686T3 (en)

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Also Published As

Publication number Publication date
ES2320708T3 (en) 2009-05-27
US20080302906A1 (en) 2008-12-11
DE102006057229B9 (en) 2009-03-19
DE102006057229B4 (en) 2008-12-04
DE102006057229A1 (en) 2008-06-19
US7584922B2 (en) 2009-09-08
EP1930686B1 (en) 2009-02-04
ATE422231T1 (en) 2009-02-15
DE502007000419D1 (en) 2009-03-19
PL1930686T3 (en) 2009-07-31

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