EP1417731B1 - Antenne fendue destinee a une munition d'artillerie - Google Patents

Antenne fendue destinee a une munition d'artillerie Download PDF

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Publication number
EP1417731B1
EP1417731B1 EP01982436A EP01982436A EP1417731B1 EP 1417731 B1 EP1417731 B1 EP 1417731B1 EP 01982436 A EP01982436 A EP 01982436A EP 01982436 A EP01982436 A EP 01982436A EP 1417731 B1 EP1417731 B1 EP 1417731B1
Authority
EP
European Patent Office
Prior art keywords
antenna
slot
disk
annular space
disc
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
EP01982436A
Other languages
German (de)
English (en)
Other versions
EP1417731A1 (fr
Inventor
Volker Koch
Martin Hertel
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 BGT Defence GmbH and Co KG
Original Assignee
Diehl BGT Defence GmbH and Co KG
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
Priority claimed from DE10136469A external-priority patent/DE10136469A1/de
Application filed by Diehl BGT Defence GmbH and Co KG filed Critical Diehl BGT Defence GmbH and Co KG
Publication of EP1417731A1 publication Critical patent/EP1417731A1/fr
Application granted granted Critical
Publication of EP1417731B1 publication Critical patent/EP1417731B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/27Adaptation for use in or on movable bodies
    • H01Q1/28Adaptation for use in or on aircraft, missiles, satellites, or balloons
    • H01Q1/281Nose antennas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/27Adaptation for use in or on movable bodies
    • H01Q1/28Adaptation for use in or on aircraft, missiles, satellites, or balloons
    • H01Q1/286Adaptation for use in or on aircraft, missiles, satellites, or balloons substantially flush mounted with the skin of the craft
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/10Resonant slot antennas
    • H01Q13/12Longitudinally slotted cylinder antennas; Equivalent structures

Definitions

  • the invention relates to an antenna according to the preamble of claim 1.
  • Such an antenna is known for receiving satellite navigation information from US 6,098,547 A in the design of a transverse to the system axis salaried in the front of an artillery dielectric plate known which metallically coated on both sides and for inductive balancing of their resonant frequency with paraxial electrically conductive passages between the mutual Metallizations is equipped.
  • the matching options given are quite limited and difficult to implement for the interests of the practice.
  • this antenna structure neither in itself nor with regard to the apparatus integration possibilities, has the desirable mechanical stability against the acceleration forces which occur when a spin-stabilized ammunition is launched.
  • a drop bomb is known, which is equipped in the center of its stern with a sandwich or patchy satellite antenna. During the fall movement into the target area maintains their spherical antenna characteristics Contact to navigation satellites above the horizon in order to increase the hit accuracy by end phase control.
  • the present invention is the technical problem of providing a suitable in terms of their mechanical and electrical properties for simple, even subsequent application to rolling artillery ammunition high-frequency antenna for satellite communication including navigation and telemetry in the L and S band ,
  • the slot antenna is re-integrated into the ammunition body-ogive with its unscrewable head fuse and so easily applicable later on the ammunition body.
  • the axial position of the antenna depends on the frequency-dependent Druchmesser and is therefore for the reception of navigation satellites continue to base, for the higher-frequency telemetry communication, however, further moved to the tip of the igniter out.
  • the outer opening of the slot is located radially directly behind a circumferential in the conical surface of the igniter slot.
  • the antenna is again designed as a disk-shaped but now extremely fast-moving sandwich construction of metal turned parts with a concentric to the cone axis resonator annulus, which opens a cylindrical reflector wall opposite to the radially encircling radiator slot in the conical surface of the igniter.
  • the annular space is divided transversely to the longitudinal axis in its center or plane of symmetry, in order to be able to insert an annular disk of electrically highly conductive material of increased dielectric constant, which is characterized by low dielectric losses and high tracking resistance independent of frequency and temperature, such as the fluorine-containing polymer PTFE (polytetrafluoroethylene), which is marketed under trade names such as Teflon, Fluon or Hostaflon.
  • PTFE polytetrafluoroethylene
  • this annular disk can after the specification of the geometric dimensions of the annular space subsequently easily further electrical resonance fine tuning on e.g. make a certain satellite frequency.
  • the radially extending circumferential circumferential antenna slot is dielectrically filled, namely by a flange on the outside of the annular disk circumferential, radially extending to the conical surface of the igniter collar.
  • the invention provides a readily tunable, mechanically extremely durable slot antenna for the detonator of artillery ammunition by a sandwich structure in which an axially enclosed between an upper and a lower dimensionally profiled metallic cover plate, axially divided resonator annulus with a Dielectric annular disc is fitted, which faces with a circumferential collar of the central cylindrical reflector wall radially opposite by an axial slot between the two hollow cylindrical Outer walls of the annular space extends through to the outer surface of the likewise circumferentially slotted detonator shell.
  • the inner edge of the antenna slot opening into the annular space is defined by a tire which can be inserted here into the front of the outer wall, at the connection points offset in the circumferential direction by the dielectric annular disc and the axially opposite cover disc are contacted to a circuit carrier disk, whereupon they are brought together by means of a matching network single-phase on an antenna line, the second phase is connected directly to the adjacent there deck disk.
  • the head detonator 11 shown in FIG. 1 in view is intended to be screwed by means of a thread, not shown, in front of the conically tapering front of a spin-stabilized or aerodynamically stabilized artillery ammunition. It is configured with a slightly convex cone wall 12 all around radially penetrating antenna slot 13 which is filled with dielectric material, with the axially on both sides adjoining outer surface of the Wall 12 is flush. Before the radial plane of the slot 13, so located to the tip of the fuze front part 15, there are mechanical or electro-mechanically acting safety and tripping devices of the igniter 11 and optionally aerodynamically acting braking devices for trajectory reduction, as in their own prior application 199 57 363.8 from 29.11.99 described in more detail. Located behind the radial plane of the slot 13, ie towards the base of the detonator rear part 16, there are electrical circuits for antenna amplification and signal processing of the electromagnetic energy radiated or absorbed via the slot 13 in the maximum frequency spectrum.
  • igniter front part 15 and igniter rear part 16 are connected together under coaxial intermediate position of the mechanically extremely high-strength antenna 17 by means of clamping screws 19 running parallel to the igniter longitudinal axis 18 and extending through the antenna 17.
  • a flexible antenna line 20 with a coaxial cross section leads to the antenna amplifier located in the igniter rear part 16 (not shown in the drawing). This is in the case of a receiving antenna to a preamplifier in front of and in the case of a transmitting antenna to a power amplifier to the receiver or transmitter signal processing circuit, such as their power supply unit 22 (such as an activatable battery or a flow generator) in the area the base of the igniter rear part 16 is installed.
  • their power supply unit 22 such as an activatable battery or a flow generator
  • Fig. 3 shows that and how the disc-shaped antenna 17 is constructed of warp-resistant components sandwiched. It consists essentially of two mechanically stiff metal deck-discs, namely a fender front 15 out, plate-like flat pot-shaped rotationally symmetrical profiled metal top plate 23 and an oppositely oriented towards the igniter rear part 16 out, also plate-like flat cup-shaped - but in this example case Handling reasons for the connection of the antenna line two-piece - rotationally symmetrical profiled metal lower plate 24. Each of these two discs 23-24 has a central stiffening in the form of a pot-bottom 26 between the walls 24 and 31 coaxially outstanding base 25.
  • a resonator annulus 28 approximately centrally divided transversely to the longitudinal axis 18 is defined by the axially spaced end edges of the walls 27-31 plate-shaped upper plate 23 with its base electrically conductive da flat axially rests on the front of the base 25 in the also plate-shaped lower plate 24.
  • the axially spaced end edges of the walls 27-31 define as between each other, the cylindrical reflector wall of the base 25 radially opposite, the radially extending from the annular space 28 actual antenna slot 13 '.
  • this annulus 28 is thus divided axially, it can be inserted into an annular disc 29 of dielectric material in it before placing the upper disc 23.
  • This has an outside radially circumferential, flange-shaped protruding collar 30 of opposite the annular disc 29 significantly lower axial strength.
  • the collar 30 extends radially with respect to the longitudinal axis 18 through the slot 13 'through which remains due to the axial height of the base 25 between the mutually facing end faces of the annular space 28 outside enclosing walls 27 and 31.
  • the collar 30 preferably protrudes even radially through the slot 13 'into the slot 13 in the wall 12 between the fuse front part 15 and the igniter rear part 16, until it is flush with the immediately adjacent outer circumferential surfaces. This facilitates the assembly during the axial assembly of igniter front and rear part 15-16 via the antenna 17 and avoids vortex formations in the area of the flow dynamic particularly sensitive ogive of the ammunition body.
  • the antenna 17 is covered with a dielectric disk 32.
  • This serves as a wiring support for a linking network between four mutually orthogonal terminals to the inside, the annular space 28 toward the end of the antenna slot 13 '.
  • four coaxial conductor pieces 33 are anchored parallel to the system longitudinal axis 18 on the disc 32 at the corners of an imaginary square.
  • the inner conductors pass through the annular disc 29, finally to a narrow electrically conductive tire 35 to end.
  • the outer conductors are conductively connected to the upper disk 23 and to the underside of the circuit carrier disk 32.
  • the rear axially opposite, front inner slot edge is given by the inner end edge of the peripheral wall 31 of the top plate 23.
  • Their electrical connection to the outer conductor of the antenna line 20 is effected in that the coaxial socket 36 for the antenna line 20, the annular disc 29 and the lower disc 24 to Zünderhinterteil 16 out under play axially parallel by means of screws 37 eccentrically on the inside of the bottom of the upper disc 23 is mounted.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Waveguide Aerials (AREA)
  • Details Of Aerials (AREA)
  • Aerials With Secondary Devices (AREA)
  • Helmets And Other Head Coverings (AREA)
  • Golf Clubs (AREA)

Claims (8)

  1. Antenne à fente (17) en forme de disque disposée de façon concentrique et transversalement à l'axe longitudinal (18) dans un détonateur d'artillerie (11), caractérisée en ce qu'elle est conçue comme un espace annulaire (28) divisé formant résonateur et équipé d'un disque annulaire diélectrique (29), ledit espace annulaire étant de son côté équipé d'un disque porteur de circuit (32) lequel présente un réseau destiné à réunir plusieurs points de connexion situés le long du bord intérieur de la fente (13') de l'antenne sur un conducteur d'un fil d'antenne (20).
  2. Antenne selon la revendication 1, caractérisée en ce que le bord intérieur de la fente (13') est constitué par un bandage (35) qui est inséré du côté frontal dans l'espace annulaire (28).
  3. Antenne selon la revendication précédente, caractérisée en ce qu'à des endroits décalés les uns par rapport aux autres sur la périphérie, le bandage (35) est raccordé de façon à conduire l'électricité au réseau situé sur le disque porteur de circuit (32) au moyen de goujons conducteurs d'électricité (33) traversant à axes parallèles le disque annulaire (29) et un disque de recouvrement (23 ou 24) de l'espace annulaire (28) situé derrière celui-ci.
  4. Antenne selon l'une quelconque des revendications précédentes, caractérisée en ce qu'un disque de recouvrement (23 ou 24) de l'espace annulaire est équipé d'une douille à emboîtement (36) pour la connexion d'un fil d'antenne (20), ladite douille étant connectée par l'un de ses pôles au disque de recouvrement (respectivement 23 et 24) et par son autre pôle au réseau situé sur le disque porteur de circuit (32).
  5. Antenne selon l'une quelconque des revendications précédentes, caractérisée en ce que l'espace annulaire formant résonateur (28) s'ouvre dans la fente d'antenne (13') radialement en face d'une paroi réfléchissante cylindrique centrale.
  6. Antenne selon l'une quelconque des revendications précédentes, caractérisée en ce que le disque annulaire (29) pénètre dans la fente (13') avec une collerette radialement circulaire (30) en forme de bride.
  7. Antenne selon la revendication précédente, caractérisée en ce que la collerette (30) obture au ras de la surface extérieure de la paroi (2) du détonateur (11) qui est fendue sur la circonférence.
  8. Antenne selon l'une quelconque des revendications précédentes, caractérisée en ce que l'espace annulaire (28) est formé entre des disques métalliques en forme de pots plats (23-24) qui s'appuient axialement l'un contre l'autre sur une grande surface au moyen des socles centraux (25) dépassant de leur fond (6) en maintenant une distance axiale entre leurs parois circulaires (27,31).
EP01982436A 2001-07-26 2001-10-17 Antenne fendue destinee a une munition d'artillerie Expired - Lifetime EP1417731B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10136469 2001-07-26
DE10136469A DE10136469A1 (de) 2000-08-03 2001-07-26 Schlitzantenne für Artilleriermunition
PCT/EP2001/012010 WO2003010852A1 (fr) 2001-07-26 2001-10-17 Antenne fendue destinee a une munition d'artillerie

Publications (2)

Publication Number Publication Date
EP1417731A1 EP1417731A1 (fr) 2004-05-12
EP1417731B1 true EP1417731B1 (fr) 2007-04-04

Family

ID=7693201

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01982436A Expired - Lifetime EP1417731B1 (fr) 2001-07-26 2001-10-17 Antenne fendue destinee a une munition d'artillerie

Country Status (7)

Country Link
US (1) US6919846B2 (fr)
EP (1) EP1417731B1 (fr)
KR (1) KR100709306B1 (fr)
AT (1) ATE358898T1 (fr)
DE (1) DE50112302D1 (fr)
WO (1) WO2003010852A1 (fr)
ZA (1) ZA200400518B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10227251B4 (de) * 2002-06-19 2004-05-27 Diehl Munitionssysteme Gmbh & Co. Kg Kombinations-Antenne für Artilleriemunition
US7296520B1 (en) * 2004-11-15 2007-11-20 United States Of America As Represented By The Secretary External telemetry unit
US7642975B2 (en) * 2008-03-12 2010-01-05 Sikorsky Aircraft Corporation Frame assembly for electrical bond
US8076621B2 (en) * 2008-09-06 2011-12-13 Omnitek Partners Llc Integrated reference source and target designator system for high-precision guidance of guided munitions
US8063837B1 (en) * 2008-09-23 2011-11-22 Rockwell Collins, Inc. System for providing a pressure vessel, radome, RF sub-system box and electrically small, wideband omni and/or adaptable beam antenna
KR101208759B1 (ko) 2011-09-21 2012-12-05 이용희 반도체소자 탐지기용 안테나 및 이를 포함한 반도체소자 탐지기
KR101303767B1 (ko) * 2012-04-10 2013-09-04 국방과학연구소 포탄용 위성항법 안테나 장치
WO2013192226A1 (fr) * 2012-06-20 2013-12-27 Transvideo Electronics, Ltd. Système autonome de communication satellitaire bidirectionnelle intégrée multimédia
US9692136B2 (en) * 2014-04-28 2017-06-27 Te Connectivity Corporation Monocone antenna
KR101457004B1 (ko) * 2014-05-23 2014-11-04 국방과학연구소 포탄 신관용 안테나

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4305078A (en) 1979-10-15 1981-12-08 The United States Of America As Represented By The Secretary Of The Army Multifrequency series-fed edge slot antenna
US6098547A (en) * 1998-06-01 2000-08-08 Rockwell Collins, Inc. Artillery fuse circumferential slot antenna for positioning and telemetry
US6307514B1 (en) * 2000-05-01 2001-10-23 Rockwell Collins Method and system for guiding an artillery shell
DE10136469A1 (de) * 2000-08-03 2002-05-08 Diehl Munitionssysteme Gmbh Schlitzantenne für Artilleriermunition

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
WO2003010852A1 (fr) 2003-02-06
US20040196199A1 (en) 2004-10-07
US6919846B2 (en) 2005-07-19
ATE358898T1 (de) 2007-04-15
KR100709306B1 (ko) 2007-04-20
EP1417731A1 (fr) 2004-05-12
KR20040015372A (ko) 2004-02-18
ZA200400518B (en) 2004-10-19
DE50112302D1 (de) 2007-05-16

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