EP3874223B1 - Zündereinheit und munition - Google Patents

Zündereinheit und munition Download PDF

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Publication number
EP3874223B1
EP3874223B1 EP19780234.1A EP19780234A EP3874223B1 EP 3874223 B1 EP3874223 B1 EP 3874223B1 EP 19780234 A EP19780234 A EP 19780234A EP 3874223 B1 EP3874223 B1 EP 3874223B1
Authority
EP
European Patent Office
Prior art keywords
control
igniter unit
interface
communication device
unit
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
Application number
EP19780234.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3874223A1 (de
Inventor
Vikorn Kadavanich
Karl-Friedrich Giebel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rheinmetall Waffe Munition GmbH
Original Assignee
Rheinmetall Waffe Munition GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rheinmetall Waffe Munition GmbH filed Critical Rheinmetall Waffe Munition GmbH
Publication of EP3874223A1 publication Critical patent/EP3874223A1/de
Application granted granted Critical
Publication of EP3874223B1 publication Critical patent/EP3874223B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/10—Initiators therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B35/00—Testing or checking of ammunition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/02—Cartridges, i.e. cases with charge and missile
    • F42B5/145—Cartridges, i.e. cases with charge and missile for dispensing gases, vapours, powders, particles or chemically-reactive substances
    • F42B5/15—Cartridges, i.e. cases with charge and missile for dispensing gases, vapours, powders, particles or chemically-reactive substances for creating a screening or decoy effect, e.g. using radar chaff or infrared material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C11/00—Electric fuzes
    • F42C11/001—Electric circuits for fuzes characterised by the ammunition class or type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
    • F42B12/46—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information for dispensing gases, vapours, powders or chemically-reactive substances
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/02—Cartridges, i.e. cases with charge and missile
    • F42B5/025—Cartridges, i.e. cases with charge and missile characterised by the dimension of the case or the missile

Definitions

  • the invention relates to a detonator unit for ammunition comprising a housing and at least one pyrotechnic charge.
  • GB 2 472 077 A discloses a fuse unit for ammunition.
  • the invention relates to ammunition comprising such a fuse unit.
  • Active charges from ammunition are detonated by detonator units that include a pulse cartridge (SQUIB).
  • the impulse cartridges are pyrotechnic charges that cause ejection from the case. If the ammunition is, for example, a decoy or camouflage body, the pyrotechnically acting components (active charges) of the decoy or camouflage body are also ignited in order to form a decoy target.
  • the SQUIBS are ignited by a defined current of e.g. 4A.
  • the function and design of the SQUIBs and the detonator units are widely standardized to ensure interoperability. Ammunition case and fuse unit form a unit. After the active charge has been fired, the igniter unit with the ammunition casing remains in the dispenser system, such as in a launcher or a launcher system.
  • Fuze units for camouflage and decoys are, for example, from the US 5,631,439A and from the US 2011/0146483 A1 known.
  • camouflage and decoy ammunition their external shape is internationally standardized, so that different active charges that have the same case cannot be distinguished in a dispenser system once they have been charged. This means there is a considerable risk of loading false or otherwise ineffective camouflage or decoys. In the worst case, this can lead to the triggering of a decoy that is ineffective for the current threat, but also to malfunctions due to overlapping or excessive exposure times.
  • the invention is based on the object of creating a possibility for data transfer between the dispenser and the loaded ammunition, which enables the ammunition loaded in a dispenser to be identified.
  • a detonator unit for ammunition which comprises a housing and at least one pyrotechnic charge, the detonator unit having a control and communication device arranged on or in the housing and at least one interface arranged in the housing and connected to the control and communication unit having.
  • ammunition which comprises such a fuse unit or a fuse unit that is further developed as described below.
  • the housing is preferably a bowl-shaped metal part that has an opening on one side that can be closed by a housing base.
  • the housing is preferably a rotationally symmetrical component.
  • the housing has an interior.
  • the at least one pyrotechnic charge is preferably a conventional pyrotechnic charge contained in an impulse cartridge, such as a so-called SQUIB.
  • the igniter unit can have such a pulse cartridge.
  • the control and communication device is designed in such a way that it can be used to control and communicate with the detonator unit, for example via a dispenser system such as a turret or a turret system.
  • the control and communication device is designed as an electronic component and preferably has at least one chip, which preferably includes a data memory.
  • the control and communication device can include an energy store. Data of the detonator unit, such as parts or batch numbers, can be stored on the control and communication device. Likewise, additional data of an ammunition connected to the fuze unit can be stored or already in advance be stored in it. For example, the date of manufacture, the type of ammunition or active charge, the maximum service life or other ammunition-related data can be stored on the control and communication device and read out from it.
  • control and communication device It is also possible to carry out a function check of the detonator unit via the control and communication device and to check whether it is still working properly.
  • data in the control and communication device can also be noted on the outside of the ammunition, as has hitherto been customary.
  • the interface is arranged on or within the housing of the igniter unit. All electrical and electronic components important for the ignition, storage and communication are preferably arranged on or inside the housing and are protected there against environmental influences. This protection also ensures higher electromagnetic compatibility (EMC), which prevents the electronics, for example of a dispenser, from being disturbed.
  • EMC electromagnetic compatibility
  • it can be a wired or a wireless interface, such as a radio interface.
  • the igniter unit according to the invention can be integrated into different ammunition that already exists and can be provided with or supplemented with the corresponding ammunition-related data in relation to the respective active charge.
  • control and communication unit and the interface in the housing of the igniter unit also means that no space for the active charge of the ammunition is lost within the ammunition given the existing dimensions.
  • the igniter unit according to the invention is preferably designed in such a way that it can be integrated into already existing dispenser systems, in particular counter-measure dispenser systems (CMDS) such as launchers or launcher systems, ie also in a downwardly compatible manner.
  • CMDS counter-measure dispenser systems
  • the igniter unit is preferably designed in such a way that it corresponds to both the mechanical and the electrical conditions of existing dispenser systems.
  • the igniter unit has a printed circuit board, the printed circuit board being electrically connected to the interface, the control and communication device and the at least one pyrotechnic charge.
  • the interface represents a positive pole.
  • the printed circuit board is electrically connected to the housing.
  • the housing can be the ground (negative pole). This ensures that the printed circuit board is designed as a central element to which the further electrical and electronic components are connected. This means that costly and complicated wiring can be dispensed with.
  • the control and communication device can preferably be formed on the printed circuit board.
  • the interface is a wired interface. It is therefore an interface that represents an electrical connection in the sense of a galvanic connection.
  • the interface is preferably designed to form a galvanic connection between the interface and the dispenser.
  • a galvanic connection is a connection via electrically conductive material.
  • the interface can preferably be an ignition contact.
  • the invention makes it possible for the interface to act both as an interface for the control and communication device and as an ignition contact for the ignition unit.
  • the igniter unit also includes a zener diode connected to the printed circuit board, which is connected to the printed circuit board of the control and communication device and the at least one pyrotechnic charge in such a way that a communication connection is formed between the interface and the control and communication device below a breakdown voltage of the zener diode.
  • the control and communication device can thus be driven with a voltage below the breakdown voltage.
  • this voltage below the breakdown voltage can be used to communicate with the control and communication device.
  • the zener diode is preferably connected in series.
  • a LOW side is created for communication with the control and communication device via the interface, which enables communication with the control and communication device without influencing ignition on a HIGH side.
  • the Zener diode connected to the printed circuit board is preferably connected to the printed circuit board, the control and communication device and the at least one pyrotechnic charge such that an ignition connection is formed between the interface and the at least one pyrotechnic charge above the breakdown voltage of the Zener diode.
  • the interface thus forms both an ignition contact and a control and communication connection.
  • the control and communication device, printed circuit board, the zener diode and at least part of the at least one pyrotechnic charge are encapsulated in the housing by a housing base.
  • the components arranged in the housing are encapsulated in a watertight and dustproof manner against environmental influences.
  • the igniter unit comprises, for example, at least one seal and/or is sealed with casting compound at the points to be sealed.
  • the igniter unit can have additional contacts for communication of the control and communication device as an interface.
  • the igniter unit can have an additional interface to the effective charge of the ammunition, via which information relevant to function and effect can be exchanged.
  • the ammunition is a decoy, deflecting body and/or a camouflage body.
  • control and communication device may consist of more than one component—that is, for example, to be formed from a plurality of printed circuit boards.
  • Fig. 1a shows a schematic side view of an embodiment of the igniter unit 1 according to the invention.
  • the igniter unit 1 has a housing 10 and at least one charge and here in the example two pyrotechnic charges 20, 22. This is essentially cylindrical and has the pyrotechnic charges 20, 22 opposite side on a flange.
  • Fig. 1b 12 is a schematic bottom view of the igniter unit according to the invention Fig. 1a shown. How from the Fig. 1b shows, the housing 10 is essentially rotationally symmetrical. The underside of the housing 10 is closed off by a housing base 15 . The housing bottom 15 has openings through which the pyrotechnic charges 20, 22 extend. In order to seal the housing base 15 against the pyrotechnic charges 20, 22, seals 16, 17 are arranged in the area of the openings.
  • FIG. 2 shows a schematic top view of the igniter unit 1 according to the invention Fig. 1a .
  • An inscription 12 and a lot number 13 are arranged on the upper side of the housing.
  • an interface 30 is arranged in the middle of the top of the housing 10 in the middle of the top of the housing 10 in the middle of the top of the housing 10 in the middle of the top of the housing 10 in the middle of the top of the housing 10 in the middle of the top of the housing 10 arranged.
  • the igniter unit 1 has both a housing 10 and at least one pyrotechnic charge 20, 22.
  • the detonator unit 1 comprises a control and communication device 40 arranged in the housing 10 and at least one interface 30 arranged in the housing 10 and connected to the control and communication unit 40 .
  • the control and communication device can be formed from one or more structural units, such as printed circuit boards.
  • the housing 10 has an opening so that the interface 30 can be contacted from outside the igniter unit 1.
  • the igniter unit 1 also has a printed circuit board 50 .
  • the circuit board 50 is connected to the interface 30 . This forms a positive pole.
  • the lyre board 50 is connected to the housing 10 .
  • the housing 10 represents the ground and forms a negative pole.
  • the housing is coupled with the ammunition and provided in a dispenser.
  • the pyrotechnic charges 20, 22 are each electrically connected to the printed circuit board 50.
  • the control and communication unit 40 is electrically connected to the circuit board 50 .
  • the control and communication device 40 is designed in such a way that it can be used to control and communicate with the detonator unit 1, for example via a dispenser system such as a turret or a turret system.
  • the control and communication device 40 is designed as an electronic component and has at least one chip.
  • the control and communication device 40 can include an energy store. At least data of the fuze unit 1 and possibly additionally of an ammunition connected to the fuze unit 1 are stored on the control and communication device 40 .
  • the interface 30 is a wired interface and forms an ignition contact for the ignition unit.
  • Ignition unit 1 includes a zener diode 60 connected to printed circuit board 50.
  • the zener diode is connected to printed circuit board 50, control and communication device 40 and pyrotechnic charges 20, 22 in such a way that below a breakdown voltage of zener diode 60, a communication connection between interface 30 and the control and communication device 40 is formed.
  • This communication connection is designed as a bidirectional single-wire connection. Below the breakdown voltage of the zener diode 60, the control and communication device 40 can be operated in a single-wire communication mode.
  • an ignition connection is formed between the ignition contact 30 and the pyrotechnic charges 20, 22.
  • the control and communication device 40, the printed circuit board 50, the zener diode 60 and at least part of the two pyrotechnic charges 20, 22 are encapsulated in the housing 10 by a housing base 15.
  • seals 16, 17 can be arranged around the pyrotechnic charges 20, 22 in the area of the housing base 15.
  • the zener diode 60 is arranged between the printed circuit board 50 and the housing base 15 .
  • the control and communication device 40 is arranged on the other side of the printed circuit board. However, it is also conceivable that this arrangement is reversed. It is also possible for the control and communication device 40 to be integrated on the circuit board 15 . However, it is just as possible that they are distributed over several structural units such as printed circuit boards.
  • the igniter unit 1 has contacts (interfaces) 70, 72 as an interface 30 in addition to the ignition contact for forming a control and communication connection with the control and communication device 40.
  • the housing 10 has additional openings in the area of the contacts 70, 72 in order to be able to contact them.
  • the Figures 5a and 5b show a further modified embodiment of the igniter unit 1, which is based on an igniter unit according to FIG Fig. 1a-4 based.
  • the fuze unit 1 has an additional interface 80 for the effective charge of the ammunition, with information relevant to function and effect being able to be exchanged via the additional interface 80 .

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Air Bags (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Casings For Electric Apparatus (AREA)
EP19780234.1A 2018-10-30 2019-09-30 Zündereinheit und munition Active EP3874223B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018127036.4A DE102018127036B4 (de) 2018-10-30 2018-10-30 Zündereinheit und munition
PCT/EP2019/076467 WO2020088865A1 (de) 2018-10-30 2019-09-30 Zündereinheit und munition

Publications (2)

Publication Number Publication Date
EP3874223A1 EP3874223A1 (de) 2021-09-08
EP3874223B1 true EP3874223B1 (de) 2023-05-17

Family

ID=68109328

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19780234.1A Active EP3874223B1 (de) 2018-10-30 2019-09-30 Zündereinheit und munition

Country Status (8)

Country Link
US (1) US11460277B2 (he)
EP (1) EP3874223B1 (he)
JP (1) JP7348279B2 (he)
KR (1) KR102587163B1 (he)
DE (1) DE102018127036B4 (he)
IL (1) IL282828A (he)
PL (1) PL3874223T3 (he)
WO (1) WO2020088865A1 (he)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3114643B1 (fr) * 2020-09-25 2022-09-09 Nexter Munitions Fusee electronique pour projectile
US20230031637A1 (en) * 2021-08-02 2023-02-02 Bae Systems Information And Electronic Systems Integration Inc. Methods for increasing number of dispensable packets within countermeasure expendables
USD1009943S1 (en) * 2022-03-22 2024-01-02 Schott Ag Air bag detonator

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR205207A1 (es) * 1974-07-05 1976-04-12 Mefina Sa Dispositivo electronico de encendido de carga pirotecnica
GB2190730B (en) * 1986-05-22 1990-10-24 Detonix Close Corp Detonator firing element
US5555498A (en) * 1994-03-18 1996-09-10 Chrysler Corporation Circuit and method for interfacing vehicle controller and diagnostic test instrument
SE508648C2 (sv) * 1994-11-08 1998-10-26 Celsiustech Electronics Ab Sätt för märkning och identifiering av en ammunitionspatron samt ammunitionspatron
US5631439A (en) 1995-06-07 1997-05-20 Tracor Aerospace, Inc. Multiple squib assembly
WO1997021067A1 (en) * 1995-12-06 1997-06-12 Orica Trading Pty Ltd Electronic explosives initiating device
JP3364107B2 (ja) * 1997-03-31 2003-01-08 三菱電機株式会社 デコイ弾ランチングシステム
IL122963A (en) * 1998-01-18 2000-10-31 Israel State Ammunition round firing data outer exchange system and method
DE10024464A1 (de) * 1999-11-19 2001-05-23 Dynamit Nobel Gmbh Mehrpunktanzündung für Hochleistungsantriebe, insbesondere für Munition
US6467414B1 (en) 2001-06-29 2002-10-22 Breed Automotive Technology, Inc. Ignitor with printed electrostatic discharge spark gap
US6915744B2 (en) * 2001-07-05 2005-07-12 Special Devices, Inc. Pyrotechnic initiator with on-board control circuitry
GB2504632B (en) * 2009-07-24 2014-03-12 Wallop Defence Systems Ltd Advanced air countermeasure and dispenser system
US8267014B2 (en) 2009-12-22 2012-09-18 The United States Of America As Represented By The Secretary Of The Navy Multiple-bay ejection device
US9170070B2 (en) * 2012-03-02 2015-10-27 Orbital Atk, Inc. Methods and apparatuses for active protection from aerial threats
KR102089381B1 (ko) 2013-09-10 2020-03-16 주식회사 다이셀 점화기 조립체, 에어백 시스템 및 그 검지 시스템과 검지 방법
CN107168901B (zh) * 2016-03-08 2021-06-25 德昌电机(深圳)有限公司 单线双向通信电路
US10697742B2 (en) * 2018-01-30 2020-06-30 Quad-M, Inc. Multiple payload expendable device
US20210404783A1 (en) * 2020-06-30 2021-12-30 Bae Systems Information And Electronic Systems Integration Inc. System and method for communicating between countermeasure dispensers and expendables

Also Published As

Publication number Publication date
IL282828A (he) 2021-06-30
US20210396500A1 (en) 2021-12-23
JP7348279B2 (ja) 2023-09-20
EP3874223A1 (de) 2021-09-08
DE102018127036B4 (de) 2024-01-04
DE102018127036A1 (de) 2020-04-30
WO2020088865A1 (de) 2020-05-07
JP2022506211A (ja) 2022-01-17
PL3874223T3 (pl) 2023-08-21
KR20210084573A (ko) 2021-07-07
US11460277B2 (en) 2022-10-04
KR102587163B1 (ko) 2023-10-06

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