EP1189492B1 - Source RF activée par explosif - Google Patents

Source RF activée par explosif Download PDF

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Publication number
EP1189492B1
EP1189492B1 EP01119011A EP01119011A EP1189492B1 EP 1189492 B1 EP1189492 B1 EP 1189492B1 EP 01119011 A EP01119011 A EP 01119011A EP 01119011 A EP01119011 A EP 01119011A EP 1189492 B1 EP1189492 B1 EP 1189492B1
Authority
EP
European Patent Office
Prior art keywords
explosive
powered
beam source
source according
coil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01119011A
Other languages
German (de)
English (en)
Other versions
EP1189492A1 (fr
Inventor
Markus Dr. Jung
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 EP1189492A1 publication Critical patent/EP1189492A1/fr
Application granted granted Critical
Publication of EP1189492B1 publication Critical patent/EP1189492B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H13/00—Means of attack or defence not otherwise provided for
    • F41H13/0043—Directed energy weapons, i.e. devices that direct a beam of high energy content toward a target for incapacitating or destroying the target
    • F41H13/0075—Directed energy weapons, i.e. devices that direct a beam of high energy content toward a target for incapacitating or destroying the target the high-energy beam being a radiofrequency beam
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H13/00—Means of attack or defence not otherwise provided for
    • F41H13/0043—Directed energy weapons, i.e. devices that direct a beam of high energy content toward a target for incapacitating or destroying the target
    • F41H13/0068—Directed energy weapons, i.e. devices that direct a beam of high energy content toward a target for incapacitating or destroying the target the high-energy beam being of microwave type, e.g. for causing a heating effect in the target
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H13/00—Means of attack or defence not otherwise provided for
    • F41H13/0093—Devices generating an electromagnetic pulse, e.g. for disrupting or destroying electronic devices
    • 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
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/46—Generating plasma using applied electromagnetic fields, e.g. high frequency or microwave energy
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/46—Generating plasma using applied electromagnetic fields, e.g. high frequency or microwave energy
    • H05H1/4645—Radiofrequency discharges
    • H05H1/4652—Radiofrequency discharges using inductive coupling means, e.g. coils

Definitions

  • the invention relates to an explosive-driven RF radiation source according to the preamble of patent claim 1.
  • RF radiation sources Radio Frequency
  • HPM sources High Power Microwave
  • RF radiation sources can be accommodated in a carrier system, for example a warhead.
  • An RF radiation source in a projectile describes the US 5,192,827 ,
  • the current required to generate a high frequency to be radiated is stored in a pulse shaping device before the projectile is fired.
  • the pulse shaping device is formed by a coil, a dielectric rod and a dielectric.
  • the discharge of the pulse shaping device takes place over a nanosecond switch.
  • the generated pulse is placed in an antenna located in the projectile, which radiates this pulse through the housing of the projectile towards the target.
  • multiple pulse shaping devices are in the projectile. As a result, the producible power adds up to approximately 12 MW.
  • the US 5,307,079 and the US 5,216,695 disclose microwave generating and amplifying circuits. To achieve high frequencies, transistors are integrated into a Marx generator, which emits them to an antenna.
  • the invention now has the task of demonstrating a simple, explosive-driven RF radiation source, which also has an increase in the high frequency.
  • the invention is based on the idea of constructing an explosive-driven RF radiation source only from a pulse generator or a pulse generating device, whose generated pulses are emitted directly to a target.
  • the pulse generator is stirred as a magnetic flux compressor and has an explosive-filled liner which is located in a coil on.
  • a capacitive load is connected, which is connected to the output side of the pulse generator, whereby the coil with the capacitive load forms an electrical resonant circuit and the capacitive load simultaneously acts as an antenna.
  • the frequency generated in this resonant circuit can thereby be emitted directly.
  • the housing of the RF radiation source must be designed so that the frequencies generated can pass through unhindered.
  • an agent is introduced, thereby increasing the number of free electrons to support the plasma formation and to achieve better conversion of chemical energy into high frequency energy thus to stimulate a higher frequency.
  • Suitable materials for the formation of a plasma are materials with low electrical conductivity, low binding energy for electrons and with rough surface structures having material peaks in the range of a few micrometers ( ⁇ m).
  • Another possibility of increasing the plasma formation is the increase in the electric field strength in the region between the coil and the explosive-driven short-circuiting device by a corresponding design of the coil structure.
  • Reducing the ambient pressure in the region between the coil and the explosive-driven shorting device of opening liners by creating a negative pressure (vacuum) also has a positive effect on the formation of free electrons.
  • a favorable background gas for the plasma formation in the region between the coil and the explosive-driven short-circuiting device can be introduced.
  • a carrier system 1, here a projectile, for the purpose of transporting an RF radiation source 2 is shown.
  • the RF radiation source 2 consists of a battery 3 or a similar current storage unit, which is electrically connected to an igniter 11 of an explosive 10 driven pulse generating device 4, as well as a capacitive load C L.
  • the capacitive load C L is connected to the output of the pulse generating device 4.
  • the pulse generating device 4 is here a magnetic flux compressor having a coil 6, which consists of a bobbin 6.1, on which turns are 6.2 and in which a liner 6.3 is integrated. With connection to the battery or to the switch of the Battery, a current flow in the turns 6.2 is initiated.
  • the explosive 10 and the igniter 11 are housed either in an additional in the coil 6 integrietren shorting device 7 or in the liner 6.3.
  • this RF radiation source 2 can be described as follows. With the carrier system 1, the autonomous RF radiation source 2 is brought to the destination on site. There, the connection of the battery 3, for example, time or impact controlled on the coil 6. When reaching the maximum current in the coil 6, by the other, not shown energy supply of the igniter 11, such as a detonator, the magnetic flux compressor 4 ignited, whereby in a conventional manner the high explosive 10 located in the short-circuiting device 7 (or in the opening liner 6.3) ruptures the short-circuiting device 7 and the bobbin 6.1 and the individual turns 6.2 are sequentially short-circuited. With an initial small initial inductance and a constant magnetic flux, only one winding 6.2 produces nearly 100 times or more gain. Here, chemical energy is converted into an electrical energy, the final energy W is dependent on the initial inductance L 0 / end inductance L n x initial energy where.
  • the capacitive load C L forms with the coil 6 after closing the circuit the opening liner 6.3 a resonant circuit whose frequency is changed by the time change of the inductance of the coil 6 due to the shock wave in the liner 6.3.
  • This frequency or the generated pulse 8 is emitted directly from the acting as an antenna capacitive load C L.
  • FIG. 2 and FIG. 3 now proposed to constructively modify the magnetic positive compressor 4 to obtain a plurality of free electrons. This causes a spontaneous plasma formation with extremely fast turn-on, whereby higher frequencies can be generated without additional electrical components.
  • a plasma-assisting agent 14 is introduced in a first variant between the bobbin 6.1 with its turns 6.2 and the liner 6.3.
  • This supporting means 14 may on the one hand be a material 15, which is placed as a layer between the bobbin 6.1 and the liner 6.3, on the other hand, a favorable background gas or a vacuum, whereby a combination of layer and gas or vacuum is possible.
  • a plasma formation enhancing material 15 has low electrical conductivity, low binding energy for electrons, and / or a surface structure with material spikes in the order of a few microns.
  • a material 15 having all of these advantages for increasing free electrons is a carbon fiber or a velvet.
  • FIG. 3 is another measure to increase the electric field strength in the range 13, which also affects the plasma education advantageous.
  • the coil cross section of the coil 6 has been changed, wherein the bobbin 6.1 is designed truncated cone and already reaches the first turns 6.2 of the coil 6 with its larger coil cross section. This results in a sharp edge formation between the short-circuiting device 7 and the liner 6.3 and the bobbin 6.1 with the first winding 6.2.
  • the energy required for the short circuit to rupture the shorting device 7 and the bobbin 6.1 can be minimized due to the smaller necessary path between the shorting device 7 and the turns 6.2, and thus is the plasma education available.
  • an LC parallel resonant circuit can also be connected on the output side to the pulse generating device 4, as in FIG Fig. 4 shown. As a result, an improved emission characteristic of the RF radiation source 2 is achieved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Plasma & Fusion (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Plasma Technology (AREA)
  • Particle Accelerators (AREA)

Claims (9)

  1. Source de rayonnement RF alimentée par explosif, qui présente un dispositif de production d'impulsions doté d'une bobine qui possède un corps de bobine, une garniture et des enroulements, un explosif qui est allumé par un allumage étant placé dans la garniture,
    caractérisé en ce que
    - un moyen (14) qui soutient la formation d'un plasma est installé dans une partie (13) située entre le corps de bobine (6.1) et la garniture (6.3) et
    - la sortie du dispositif (4) de production d'impulsions est reliée à une charge capacitive (CL) qui joue le rôle d'une antenne et/ou à une charge inductive.
  2. Source de rayonnement RF alimentée par explosif selon la revendication 1, caractérisée en ce que le moyen de soutien (14) est constitué de matériaux (15) qui sont appliqués sur la surface du corps de bobine (6.1) et qui ont une faible conductivité électrique, possèdent une basse énergie de liaison des électrons et présentent une surface à structure rugueuse.
  3. Source de rayonnement RF alimentée par explosif selon la revendication 2, caractérisée en ce que le matériau (15) incorporé est constitué de fibres de carbone.
  4. Source de rayonnement RF alimentée par explosif selon la revendication 2, caractérisée en ce que le matériau (15) incorporé est un velours.
  5. Source de rayonnement RF alimentée par explosif selon la revendication 1, caractérisée en ce que pour former le moyen de soutien (14), la bobine a une section transversale conique.
  6. Source de rayonnement RF alimentée par explosif selon l'une ou plusieurs des revendications 1 à 5, caractérisée en ce que le moyen de soutien (14) est un gaz d'arrière-plan.
  7. Source de rayonnement RF alimentée par explosif selon la revendication 6, caractérisée en ce que le gaz d'arrière-plan est l'hélium ou l'argon.
  8. Source de rayonnement RF alimentée par explosif selon l'une ou plusieurs des revendications 1 à 5, caractérisée en ce que le moyen de soutien (14) est le vide.
  9. Source de rayonnement RF alimentée par explosif selon l'une des revendications 1 à 8, caractérisée en ce que la sortie du condensateur (CL) qui forme un circuit parallèle avec une bobine (LL) est reliée électriquement au dispositif (4) de production d'impulsions.
EP01119011A 2000-09-12 2001-08-07 Source RF activée par explosif Expired - Lifetime EP1189492B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10044867 2000-09-12
DE10044867A DE10044867A1 (de) 2000-09-12 2000-09-12 Explosivstoffgetriebene RF-Strahlenquelle

Publications (2)

Publication Number Publication Date
EP1189492A1 EP1189492A1 (fr) 2002-03-20
EP1189492B1 true EP1189492B1 (fr) 2008-04-02

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ID=7655794

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01119011A Expired - Lifetime EP1189492B1 (fr) 2000-09-12 2001-08-07 Source RF activée par explosif

Country Status (3)

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US (1) US6477932B2 (fr)
EP (1) EP1189492B1 (fr)
DE (2) DE10044867A1 (fr)

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DE10342730A1 (de) * 2003-09-16 2005-04-21 Rheinmetall Waffe Munition Hochleistungsgenerator zur Erzeugung eines breitbandigen elektromagnetischen Pulses
US7051636B1 (en) * 2004-09-21 2006-05-30 The United States Of America As Represented By The Secretary Of The Navy Electromagnetic weapon
US8785840B2 (en) 2004-10-07 2014-07-22 David Joseph Schulte Apparatus for producing EMP
DE102004061979B4 (de) * 2004-12-23 2009-10-29 Lfk-Lenkflugkörpersysteme Gmbh Flugkörper
US7987760B1 (en) * 2005-05-03 2011-08-02 Applied Energetics, Inc Systems and methods for igniting explosives
US7434516B1 (en) 2006-02-16 2008-10-14 The United States Of America As Represented By The Secretary Of The Navy Ferroelectric transmitters for warhead design and battle damage assessment
ATE547686T1 (de) * 2008-08-15 2012-03-15 Saab Ab Lancierbare einheit
DE102010024845B4 (de) 2010-06-23 2016-02-18 Rheinmetall Waffe Munition Gmbh Hochspannungsgenerator
US9391596B2 (en) 2011-07-08 2016-07-12 Robert Neil Campbell Scalable, modular, EMP source
CA2909575A1 (fr) 2013-05-17 2014-11-20 Halliburton Energy Services, Inc. Procede et appareil permettant de generer des impulsions sismiques pour cartographier des fractures souterraines
US9500069B2 (en) 2013-05-17 2016-11-22 Halliburton Energy Services, Inc. Method and apparatus for generating seismic pulses to map subterranean fractures
MX2015014533A (es) * 2013-05-31 2016-06-02 Halliburton Energy Services Inc Método y aparato para generar pulsos sismicos para mapear fracturas subterraneas.
US10408579B1 (en) * 2014-09-16 2019-09-10 The United States Of America As Represented By The Secretary Of The Army Directed energy modification to M4A1 blank firing adaptor (BFA)
US10180309B1 (en) * 2014-09-16 2019-01-15 The United States Of America As Represented By The Secretary Of The Army Electromagnetic pulse transmitter muzzle adaptor
US20170127507A1 (en) 2015-11-04 2017-05-04 The Boeing Company Defense mechanism against directed-energy systems based on laser induced atmospheric optical breakdown
DE102016009408B4 (de) * 2016-08-04 2020-06-18 TDW Gesellschaft für verteidigungstechnische Wirksysteme mit beschränkter Haftung Elektromagnetisches mobiles Wirksystem
JP6889577B2 (ja) * 2017-03-13 2021-06-18 株式会社Ｉｈｉエアロスペース 電磁気パルス弾及び電磁気パルス弾の電磁気パルスの照射方法
RU2748193C1 (ru) * 2020-10-06 2021-05-20 Федеральное государственное казенное военное образовательное учреждение высшего образования "Михайловская военная артиллерийская академия" Министерства обороны Российской Федерации Способ функционального поражения электронного оборудования электромагнитным боеприпасом

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Also Published As

Publication number Publication date
DE10044867A1 (de) 2002-03-21
US6477932B2 (en) 2002-11-12
DE50113812D1 (de) 2008-05-15
US20020035918A1 (en) 2002-03-28
EP1189492A1 (fr) 2002-03-20

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