EP1909059B1 - Projectile detonator - Google Patents
Projectile detonator Download PDFInfo
- Publication number
- EP1909059B1 EP1909059B1 EP07018763A EP07018763A EP1909059B1 EP 1909059 B1 EP1909059 B1 EP 1909059B1 EP 07018763 A EP07018763 A EP 07018763A EP 07018763 A EP07018763 A EP 07018763A EP 1909059 B1 EP1909059 B1 EP 1909059B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- detonator
- projectile
- fuze
- rotor
- safety
- 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.)
- Active
Links
- 238000010304 firing Methods 0.000 claims description 10
- 230000000977 initiatory effect Effects 0.000 claims 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Images
Classifications
-
- 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
- F42C15/28—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges operated by flow of fluent material, e.g. shot, fluids
- F42C15/31—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges operated by flow of fluent material, e.g. shot, fluids generated by the combustion of a pyrotechnic or explosive charge within the fuze
-
- 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
- F42C15/18—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a carrier for an element of the pyrotechnic or explosive train is moved
- F42C15/188—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a carrier for an element of the pyrotechnic or explosive train is moved using a rotatable carrier
-
- 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
- F42C15/40—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected electrically
Definitions
- the invention relates to a projectile fuze according to the preamble of claim 1.
- Such a projectile fuse is used for example as a mortar fuse.
- Realized is such electrical safety overflight in such a way that by means of an external programmer, the time of flight of the projectile is programmed into the detonator electronics ie fed. After the launch of the projectile, a timer / counter is started, which counts up to the programmed flight time minus a fixed time value and then charges an electrical ignition circuit of the ignition electronics. This charging of the ignition circuit is in the msec range, so that the projectile fuze is ready to fire in time in the specified target.
- the securing device is designed such that after a very short in relation to the total trajectory very short time period, the mechanical interruption of the ignition chain is canceled, i. the so-called pre-pipe safety is comparatively small.
- the igniter comprises a rotor which is held mechanically by a protruding nose of the rotor in its security. After the period of time, the nose is blasted off by a pyrotechnic force element from the rotor and the rotor is pushed into its release position, in which over-ignition of the ignition chain can take place.
- a detonator for a hand grenade is known in which the ignition chain is also released by a timed pyrotechnic force element after expiry of a specified period of over ignition.
- a firing chain with a puncture needle and a puncture detonator in a rotor of a detonator is from the US 3451340 known.
- the invention is in the knowledge of these circumstances, the task of creating a projectile fuse of the type mentioned, which has a programmable electrical and mechanical safety overflight and a comparatively large Vorrohrpiping.
- the safety device is blocked by a pyrotechnic force element as long as, ie held in the security until the programmed or, if necessary, manually set flight time - minus a fixed time value (safety overflight) is reached. If the set flight time minus the set time value is reached, the ignition circuit for the power element is charged and the safety device by Igniting the force element unlocked. The safety device then goes into focus, ie the interruption of the ignition chain is canceled and the ignition chain is then inline. Now, the actual ignition circuit of the projectile fuze according to the invention is charged, so that the detonator in the intended destination is ready in time to fire.
- a fixed time value safety overflight
- FIG. 1 illustrates a trajectory 10 of a conventional projectile fuse having projectile, wherein the arrow V denotes the Vorrohrschreib, the arrow U the overflight safety and the arrow T the flight time or target distance. With h the ignition height of the projectile fuze is designated.
- FIG. 2 clarified in one of the FIG. 1 Similarly, the trajectory 10 of a projectile fuse having a projectile according to the invention, wherein the arrow V again denotes the mechanical Vorrohrschreib and the arrow T, the flight time or target distance. With H is in FIG. 2 denotes the ignition height of the projectile fuze.
- the arrow Ü also denotes in FIG. 2 the safety overpass, which is, however, an electrical / mechanical safety overflight, wherein the point S denotes the point of focus of the safety device of the projectile fuze.
- FIG. 3 shows in a longitudinal sectional view of an embodiment of the projectile fuze 12 according to the invention, which has a pyrotechnic force element 14 which is interconnected with an ignition electronics, and blocks a safety device 16 until the flight time T minus a predetermined time value .DELTA.t (see FIG. 2 ) is reached. Once that is the case, an ignition circuit of the projectile fuze 12 is electrically charged and the safety device 16 is unlocked by igniting the pyrotechnic force element 14 in the armed position. In FIG. 3 the security of the security device is shown.
- the securing device 16 has a rotor 18 with a firing pin 20 and with a puncture detonator 22.
- the firing pin 20 and the piercing detonator 22 are aligned with each other axially and are spaced from each other.
- the projectile fuze 12 has an electric detonator 24, which is interconnected with the ignition electronics.
- the projectile fuze 12 also has an booster charge 26 associated with the electric detonator 24.
- the rotor 18 is provided between the electric detonator 24 and the booster charge 26.
- FIG. 4 clarified in one of the FIG. 3 a similar longitudinal sectional view of another embodiment of the projectile fuse 12 according to the invention, wherein like details with the same reference numerals as in FIG. 3 are designated, so that it is unnecessary, in conjunction with FIG. 4 to describe all these details again.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Automotive Seat Belt Assembly (AREA)
- Elimination Of Static Electricity (AREA)
Description
Die Erfindung betrifft einen Geschosszünder gemäß dem Oberbegriff des Anspruches 1.The invention relates to a projectile fuze according to the preamble of claim 1.
Ein derartiger Geschosszünder kommt beispielsweise als Mörserzünder zur Anwendung.Such a projectile fuse is used for example as a mortar fuse.
Es sind Geschosszünder mit einer sogenannten Überflugsicherheit bekannt. Eine solche Überflugsicherheit wurde beispielsweise beim Zünder der Typenbezeichnung ANNZ DM 74 als elektrische Lösung eingeführt. Diese bekannte Überflugsicherheit dient dazu, den Geschosszünder über einen größeren Abschnitt der Geschossflugbahn gegen Störversuche und/oder gegen Täuschversuche eines Gegners sowie gegen seltener vorkommende Einflüsse von außen wie innen resistent zu machen. Die sogenannte Bahnzerlegerrate liegt bei solchen bekannten Geschosszündern bei < 10-6. Das erlaubt es nun, ein mit einem solchen Geschosszünder bestücktes Geschoss auch über eigene Truppen hinweg verwenden zu dürfen. Das gilt bspw. bei Übungen mit Geschossen, die mit derartigen Geschosszündern ausgerüstet sind.There are known projectiles with a so-called over-flying safety. Such overflight safety was introduced, for example, the detonator type ANNZ DM 74 as an electrical solution. This known Überflugsicherheit serves to make the projectile detonator over a larger portion of the projectile trajectory against interference attempts and / or against deception attempts of an opponent and against less common influences from outside and inside resistant. The so-called Bahnzerlegerrate is at such known projectile igniters at <10 -6 . This now allows you to use a projectile equipped with such a projectile launcher also over your own troops. This applies, for example, in exercises with projectiles that are equipped with such projectile lighters.
Realisiert wird eine solche elektrische Überflugsicherheit in der Weise, dass mittels eines externen Programmiergerätes die Flugzeit des Geschosses in die Zünderelektronik einprogrammiert d.h. eingespeist wird. Nach dem Abschuss des Geschosses wird ein Timer/Counter gestartet, der bis zu der einprogrammierten Flugzeit - abzüglich eines festgelegten Zeitwertes - hochzählt und dann einen elektrischen Zündkreis der Zündelektronik auflädt. Dieses Aufladen des Zündkreises liegt im msec-Bereich, so dass der Geschosszünder im vorgegebenen Ziel rechtzeitig zündbereit ist.Realized is such electrical safety overflight in such a way that by means of an external programmer, the time of flight of the projectile is programmed into the detonator electronics ie fed. After the launch of the projectile, a timer / counter is started, which counts up to the programmed flight time minus a fixed time value and then charges an electrical ignition circuit of the ignition electronics. This charging of the ignition circuit is in the msec range, so that the projectile fuze is ready to fire in time in the specified target.
Bei den bekannten Geschosszündern der oben genannten Art ist die Sicherungsvorrichtung jedoch derartig ausgelegt, dass bereits nach einer in Bezug zur Gesamtflugbahn sehr kurzen Zeitspanne die mechanische Unterbrechung der Zündkette aufgehoben wird, d.h. die sogenannte Vorrohrsicherheit ist vergleichsweise klein.In the known bullet lighters of the type mentioned above, however, the securing device is designed such that after a very short in relation to the total trajectory very short time period, the mechanical interruption of the ignition chain is canceled, i. the so-called pre-pipe safety is comparatively small.
Dieses Problem wird in der
Aus der
Eine Zündkette mit einer Anstichnadel und einem Anstichdetonator in einem Rotor eines Zünders ist aus der
Der Erfindung liegt in Kenntnis dieser Gegebenheiten die Aufgabe zugrunde, einen Geschosszünder der eingangs genannten Art zu schaffen, der eine programmierbare elektrische und mechanische Überflugsicherheit und eine vergleichsweise grosse Vorrohrsicherheit besitzt.The invention is in the knowledge of these circumstances, the task of creating a projectile fuse of the type mentioned, which has a programmable electrical and mechanical safety overflight and a comparatively large Vorrohrsicherheit.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruches 1 gelöst. Bevorzugte Aus- bzw. Weiterbildungen des erfindungsgemäßen Geschosszünders sind in den Unteransprüchen gekennzeichnet.This object is achieved by the features of claim 1. Preferred embodiments or further developments of the projectile fuze according to the invention are characterized in the subclaims.
Bei dem erfindungsgemäßen Geschosszünder ist die Sicherungseinrichtung durch ein pyrotechnisches Kraftelement solange gesperrt, d.h. in der Sicherstellung festgehalten, bis die programmierte oder im Bedarfsfall auch manuell eingestellte Flugzeit - abzüglich eines festgelegten Zeitwertes (Überflugsicherheit) erreicht ist. Ist die eingestellte Flugzeit abzüglich des festgelegten Zeitwertes erreicht, so wird der Zündkreis für das Kraftelement aufgeladen und die Sicherungsvorrichtung durch Zünden des Kraftelementes entriegelt. Die Sicherungseinrichtung geht dann in die Scharfstellung, d.h. die Unterbrechung der Zündkette wird aufgehoben und die Zündkette ist dann inline. Nun wird der eigentliche Zündkreis des erfindungsgemäßen Geschosszünders aufgeladen, so dass der Zünder im vorgesehenen Ziel rechtzeitig zündbereit ist.In the projectile fuse of the invention, the safety device is blocked by a pyrotechnic force element as long as, ie held in the security until the programmed or, if necessary, manually set flight time - minus a fixed time value (safety overflight) is reached. If the set flight time minus the set time value is reached, the ignition circuit for the power element is charged and the safety device by Igniting the force element unlocked. The safety device then goes into focus, ie the interruption of the ignition chain is canceled and the ignition chain is then inline. Now, the actual ignition circuit of the projectile fuze according to the invention is charged, so that the detonator in the intended destination is ready in time to fire.
Weitere Einzelheiten, Merkmale und Vorteile ergeben sich aus der nachfolgenden Beschreibung zweier in der Zeichnung verdeutlichter Ausführungsbeispiele des erfindungsgemäßen Geschosszünders.Further details, features and advantages will become apparent from the following description of two illustrated in the drawings embodiments of the projectile fuse according to the invention.
Es zeigen:
- Figur 1
- eine schematische Darstellung einer Flugbahn eines Geschosses mit einem bekannten Geschosszünder,
- Figur 2
- eine der
Figur 1 ähnliche Flugbahndarstellung eines Geschosses mit einem erfindungsgemäßen Geschosszünder, - Figur 3
- einen Längsschnitt durch eine erste Ausführungsform des erfindungsgemäßen Geschosszünders, und
- Figur 4
- eine Längsschnittdarstellung einer zweiten Ausbildung des erfindungsgemäßen Geschosszünders.
- FIG. 1
- a schematic representation of a trajectory of a projectile with a known projectile fuse,
- FIG. 2
- one of the
FIG. 1 similar trajectory representation of a projectile with a projectile fuze according to the invention, - FIG. 3
- a longitudinal section through a first embodiment of the projectile fuze according to the invention, and
- FIG. 4
- a longitudinal sectional view of a second embodiment of the projectile fuze according to the invention.
Die Sicherungsvorrichtung 16 weist einen Rotor 18 mit einer Zündnadel 20 und mit einem Anstichdetonator 22 auf. Die Zündnadel 20 und der Anstichdetonator 22 fluchten miteinander axial und sind voneinander beabstandet.The
Der Geschosszünder 12 weist einen elektrischen Detonator 24 auf, der mit der Zündelektronik zusammengeschaltet ist.The
Der Geschosszünder 12 weist außerdem eine Verstärkerladung 26 auf, die dem elektrischen Detonator 24 zugeordnet ist. Der Rotor 18 ist zwischen dem elektrischen Detonator 24 und der Verstärkerladung 26 vorgesehen.The
Während in der in
- 1010
- Flugbahntrajectory
- 1212
- GeschosszünderA fuse
- 1414
- pyrotechnisches Kraftelement (von 12)pyrotechnic force element (from 12)
- 1616
- Sicherungsvorrichtung (von 12)Safety device (of 12)
- 1818
- Rotor (von 16)Rotor (from 16)
- 2020
- Zündnadel (an 18)Firing pin (to 18)
- 2222
- Anstichdetonator (an 18)Puncture detonator (at 18)
- 2424
- elektrischer Detonator (von 12)electric detonator (from 12)
- 2626
- Verstärkerladung (von 12)Booster charge (out of 12)
Claims (2)
- Projectile fuze havinga) fuze electronics in which the time of flight (T) can be programmed,b) a timer/counter which counts up to the programmed time of flight (T) - minus a defined time value (Δt) - and then charges an electrical firing circuit,c) a mechanical safety and arming unit (16) has a rotor (18) with a fuze needle (20) and a piercing detonator (22), with the fuze needle (20) and the piercing detonator (22) being aligned with one another and being axially separated from one another, and which switches the firing chain, which has an electrical detonator (24), the firing needle (20), the piercing detonator (22) and a booster charge (26), to the armed position after a specific time interval,d) a pyrotechnic force element (14), which engages in the rotor (18), is interconnected with the fuze electronics and mechanically blocks the safety and arming unit (16) until the time of flight (T) minus the predetermined time value (Δt) is reached, after which the firing circuit is charged and the safety and arming unit (16) is unlocked to the armed position by initiation of the force element (14).
- Projectile fuze according to Claim 1,
wherein the fuze electronics are interconnected to the electrical detonator (24), which is separated from the booster charge (26), and wherein the rotor (18) is provided between the electrical detonator (24) and the booster charge (26).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006046811A DE102006046811A1 (en) | 2006-10-02 | 2006-10-02 | Projectile fuze has pyrotechnic force element mechanically blocking safety and arming unit until elapse of set time obtained by subtracting predetermined time from time of flight and unlocking arming unit after elapse of set time |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1909059A1 EP1909059A1 (en) | 2008-04-09 |
EP1909059B1 true EP1909059B1 (en) | 2011-01-26 |
Family
ID=38830372
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07018763A Active EP1909059B1 (en) | 2006-10-02 | 2007-09-25 | Projectile detonator |
Country Status (4)
Country | Link |
---|---|
US (1) | US7614346B2 (en) |
EP (1) | EP1909059B1 (en) |
DE (2) | DE102006046811A1 (en) |
ZA (1) | ZA200708353B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8528478B2 (en) | 2009-09-04 | 2013-09-10 | Raytheon Company | Safe arming system and method |
US8291825B2 (en) * | 2009-09-10 | 2012-10-23 | Alliant Techsystems Inc. | Methods and apparatuses for electro-mechanical safety and arming of a projectile |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH456403A (en) * | 1966-07-28 | 1968-07-31 | Tamerlan Ets | Percussion fuze for projectile |
US4145971A (en) * | 1977-10-19 | 1979-03-27 | Motorola, Inc. | Electronic time delay safety and arming mechanism |
US4334475A (en) * | 1980-02-07 | 1982-06-15 | Fratelli Borletti S.P.A. | Proximity fuses |
DE3935180A1 (en) * | 1989-10-23 | 1991-04-25 | Junghans Gmbh Geb | PROTECTIVE DEVICE FOR A FLOOR IGNITION |
US5693906A (en) * | 1995-09-28 | 1997-12-02 | Alliant Techsystems Inc. | Electro-mechanical safety and arming device |
ES2176060B1 (en) | 1999-10-27 | 2004-02-01 | Instalaza Sa | IMPROVEMENTS IN MECHAN-ELECTRONIC SPOOLS FOR HAND GRENADES. |
DE10000177A1 (en) * | 2000-01-05 | 2001-07-12 | Junghans Feinwerktechnik Gmbh | Ignition device, in particular for a mortar grenade |
DE20023637U1 (en) * | 2000-09-05 | 2005-05-19 | Junghans Feinwerktechnik Gmbh & Co. Kg | Primer for projectile with igniter pin with following piercing detonator and ignition booster |
DE10133832B4 (en) * | 2001-07-12 | 2005-12-15 | TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH | Safety device for igniter |
US6883434B2 (en) * | 2001-09-17 | 2005-04-26 | Junghans Feinwerktechnik Gmbh & Co. Kg | Fuse device for a projectile |
DE10302967B4 (en) * | 2003-01-25 | 2006-04-06 | Junghans Feinwerktechnik Gmbh & Co. Kg | Projectile fuze with a force element |
DE102005003942B4 (en) * | 2005-01-28 | 2007-04-12 | Junghans Feinwerktechnik Gmbh & Co. Kg | Safety device for a twisted roundabout fuse |
DE102005029326B4 (en) * | 2005-06-24 | 2007-04-05 | Junghans Feinwerktechnik Gmbh & Co. Kg | Securing device for a twist projectile igniter with a spherical rotor |
-
2006
- 2006-10-02 DE DE102006046811A patent/DE102006046811A1/en not_active Withdrawn
-
2007
- 2007-09-19 US US11/857,535 patent/US7614346B2/en active Active
- 2007-09-25 DE DE502007006356T patent/DE502007006356D1/en active Active
- 2007-09-25 EP EP07018763A patent/EP1909059B1/en active Active
- 2007-10-01 ZA ZA200708353A patent/ZA200708353B/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP1909059A1 (en) | 2008-04-09 |
US20080078299A1 (en) | 2008-04-03 |
DE502007006356D1 (en) | 2011-03-10 |
ZA200708353B (en) | 2008-10-29 |
DE102006046811A1 (en) | 2008-04-03 |
US7614346B2 (en) | 2009-11-10 |
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