EP1417731A1 - Schlitzantenne für artilleriemunition - Google Patents
Schlitzantenne für artilleriemunitionInfo
- Publication number
- EP1417731A1 EP1417731A1 EP01982436A EP01982436A EP1417731A1 EP 1417731 A1 EP1417731 A1 EP 1417731A1 EP 01982436 A EP01982436 A EP 01982436A EP 01982436 A EP01982436 A EP 01982436A EP 1417731 A1 EP1417731 A1 EP 1417731A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- antenna
- disk
- slot
- axially
- antenna according
- 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
Links
- 239000004020 conductor Substances 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 3
- 230000006978 adaptation Effects 0.000 abstract description 2
- 239000002184 metal Substances 0.000 description 5
- 238000001465 metallisation Methods 0.000 description 4
- 239000003989 dielectric material Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920006358 Fluon Polymers 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229920006360 Hostaflon Polymers 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 210000001061 forehead Anatomy 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
- H01Q1/281—Nose antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
- H01Q13/12—Longitudinally slotted cylinder antennas; Equivalent structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
- H01Q1/286—Adaptation for use in or on aircraft, missiles, satellites, or balloons substantially flush mounted with the skin of the craft
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 Pat. No. 6,098,547 A in the form of a dielectric disk which is mounted transversely to the system axis in the front area of an artillery detonator and which is coated on both sides with a metal coating and for inductive matching of its resonance frequency with axially parallel, electrically conductive openings between the two sides Metallizations is equipped.
- the comparison options that this provides are quite limited and difficult to carry out for practical purposes. Above all, however, this antenna structure has neither the inherent mechanical stability nor the desirable mechanical stability against the acceleration forces that occur when a spin-stabilized ammunition is fired.
- a drop bomb which is equipped with a sandwich or patch-like satellite antenna in the center of its tail.
- their spherical antenna cha Characteristics Contact with navigation satellites above the horizon in order to increase the accuracy of the hits through final phase control.
- the result of the antenna characteristic is that the signals are modulated in a rotation-dependent manner, which severely impairs the evaluation of the transmitted information and therefore requires considerable additional processing costs.
- an unguided rocket for GPS -based trajectory correction is equipped with several thrusters, which can be triggered depending on the direction of space, which is strapped to the outer surface of the rocket body, with at least one of these thrusters is also equipped with a GPS antenna not described there.
- a trouble-free all-round characteristic is not to be expected from such an asymmetrical tension band antenna configuration.
- the present invention is based on the technical problem of creating a high-frequency antenna which is suitable with regard to its mechanical and electrical properties for simple, even subsequent application to rolling artillery ammunition, in particular for satellite communication, including navigation and telemetry in the L and S bands ,
- the slot antenna is then integrated back into the ammunition body ogive with its unscrewable detonator and can therefore be easily applied to the ammunition body afterwards.
- the axial position of the antenna depends on the frequency-dependent diameter and is therefore further to the base for the reception of navigation satellites, and for the higher-frequency telemetry communication it is shifted further towards the tip of the detonator.
- the outer opening of the slot is located radially directly behind a slot running in the conical surface of the igniter.
- An axially symmetrical toroidal antenna characteristic then extends along this, so that despite the rotation around the longitudinal axis of the ammunition, a segment of sensitivity that remains practically constant always detects the half-space above the horizon, without it having to do with switching-technically complex and possibly electrically disruptive switching processes as in the case of the follow-up Antenna characteristic according to EP 0 840 393 A2 is required.
- the antenna is again designed as a disk-shaped but now extremely acceleration-resistant sandwich structure made of turned metal parts with a resonator annular space concentric to the cone axis, which opens into a cylindrical reflector wall opposite the radially circumferential radiator slot in the cone surface of the igniter.
- annular space is divided in its center or symmetry plane transversely to the longitudinal axis, in order to be able to insert an annular disk made of material with increased dielectric constant that is as poorly conductive as possible, which is characterized by low dielectric losses and high tracking resistance independent of frequency and temperature, like the fluorine-containing polymer PTFE (polytetrafluoroethylene) sold under trade names such as Teflon, Fluon or
- the antenna slot which extends radially therefrom, is preferably filled up dielectric, namely by a collar which extends around the outside of the ring disk and extends radially to the conical surface of the igniter.
- the antenna is connected via a two-wire antenna cable connected to at least two axially located points of the inner edges of the slot.
- four such connection points are formed at the corners of a square concentric to the detonator axis and are brought together via a matching network to the standardized impedance of a 50-ohm coaxial line to the antenna amplifier housed in the detonator at the rear.
- the invention provides an easily tunable, mechanically extremely stressable slot antenna for the detonator of artillery ammunition by means of a sandwich construction in which an axially divided, axially divided resonator annulus enclosed between an upper and a lower, dimensionally stable profiled metallic cover plate dielectric ring disk is fitted, which is radially opposite with a circumferential collar of the central cylindrical reflector wall through an axial slot between the two hollow-cylindrical lindrischen outer walls of the annular space through to the outer surface of the also circumferentially slotted detonator jacket extends.
- the inner edge of the antenna slot opening into the annular space is defined by a tire which can be inserted here into the forehead of the outer wall, at the connection points which are offset in the circumferential direction through the dielectric annular disk and the axially opposite cover disk are contacted to a circuit carrier disk, whereupon they are brought together in a single phase by means of an adaptation network onto an antenna line, the second phase of which is connected directly to the cover disk adjacent there.
- FIG. 1 shows the detonator that can be applied to an artillery ammunition with its antenna slot, which in this example is located between half the axial height and the base plane of the detonator and is filled with dielectric material, in an isometric view,
- FIG. 2 in the manner of an exploded view of the axially clamped between the tip and base of an igniter according to Fig.l and
- the head detonator 11 shown in FIG. 1 is intended to be screwed in front of the conically tapering front of a spin-stabilized or aerodynamically stabilized artillery ammunition by means of a thread, not shown. It is configured with an antenna slot 13 which radially penetrates all around its slightly spherical cone wall 12 and which is filled with dielectric material which is connected to the outer lateral surface of the axially adjoining surface Wall 12 is flush. In front of the radial plane of the slot 13, that is to say
- the front part 15 and the rear part 16 of the fuse are coaxially interposed by the antenna, which can withstand extremely high mechanical loads
- a flexible antenna line 20 with a coaxial cross section leads to the antenna amplifier located in the rear part 16 of the igniter (not shown in the drawing).
- this is a preamplifier in front of and in the case of a transmitting antenna is a power amplifier after the receiver or transmitter signal processing circuit which, like its power supply unit 22 (for example in the form of an activatable battery or an inflow device, nerators) is installed in the area of the base of the detonator rear part 16.
- the disk-shaped antenna 17 is constructed in a sandwich-like manner from torsionally rigid components. It essentially consists of two mechanically stiff metal cover disks, namely a plate-shaped flat cup-shaped, rotationally symmetrically profiled metal upper plate 23 located towards the front part 15 of the fuse and a plate-shaped flat cup-shaped plate, which is oriented in the opposite direction to the rear part 16 of the fuse, but in this example case Handling reasons for the connection of the antenna line two-part - rotationally symmetrical profiled metal washer 24. Each of these two washers 23-24 has a central stiffening in the form of a base 25 coaxially protruding from the pot base 26 between the walls 24 and 31.
- a resonator annular space 28 which is approximately centrally divided transversely to the longitudinal axis 18, is defined in that with axially spaced end edges of the walls 27- 31 the plate-shaped upper plate 23 with its base is electrically conductive since it rests axially on the face of the base 25 in the likewise plate-shaped lower plate 24.
- the axially spaced end edges of the walls 27-31 define the actual antenna slot 13 'extending radially from the annular space 28 as between them, see the cylindrical reflector wall of the base 25 radially opposite one another.
- annular disk 29 made of dielectric material can be inserted into it before the upper disk 23 is placed on it. It has an externally radially circumferential, flange-like projecting collar 30 of significantly less axial thickness than the annular disk 29.
- the collar 30 extends radially with respect to the longitudinal axis 18 through the slot 13 ', which remains due to the axial height of the base 25 between the mutually facing end faces of the walls 27 and 31 surrounding the annular space 28 on the outside.
- the collar 30 preferably projects even radially through the
- the antenna 17 is covered with a dielectric disk 32.
- This serves as a wiring support for a linking network between four mutually orthogonal connections to the inside of the antenna slot 13 ', which is located towards the annular space 28.
- four coaxial conductor pieces 33 are anchored on the disc 32 at the corners of an imaginary square parallel to the longitudinal axis 18 of the system.
- the inner conductors reach through the washer 29 to finally to end a narrow electrically conductive tire 35.
- the outer conductors are conductively connected to the upper pane 23 and to the underside of the circuit carrier pane 32.
- the inner conductor of the coaxial antenna line 20 is connected to this slot edge in the form of the tire 35 still removed from the lower disk 24, namely via the network formed on the circuit carrier disk 33 for merging the four, each offset by 90 ° Contact points on the circumferential slot 13 'and on the conductor pins by means of a plug-in connection in the form of a coaxial socket 36.
- the lower disk 24 is electrically connected from there backwards through the dielectric ring disk 29 to the circuit carrier disk 32 in front of the upper disk 23 Tire 35 put up.
- Pillars 39 mounted on at least one of the base bases 25, which engage through the washer 29 into the axially opposite washer 23 and 24, serve as an assembly aid during the axial merging and thereafter as an anti-rotation device between the upper washer 23 and the lower washer 24, that is to say to accommodate twist Rotational forces between these two parts of the cavity resonator of the slot antenna 17.
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)
Abstract
Description
Claims
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 (de) | 2001-07-26 | 2001-10-17 | Schlitzantenne für artilleriemunition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1417731A1 true EP1417731A1 (de) | 2004-05-12 |
| EP1417731B1 EP1417731B1 (de) | 2007-04-04 |
Family
ID=7693201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01982436A Expired - Lifetime EP1417731B1 (de) | 2001-07-26 | 2001-10-17 | Schlitzantenne für artilleriemunition |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6919846B2 (de) |
| EP (1) | EP1417731B1 (de) |
| KR (1) | KR100709306B1 (de) |
| AT (1) | ATE358898T1 (de) |
| DE (1) | DE50112302D1 (de) |
| WO (1) | WO2003010852A1 (de) |
| ZA (1) | ZA200400518B (de) |
Families Citing this family (10)
| 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 (en) * | 2012-06-20 | 2013-12-27 | Transvideo Electronics, Ltd. | Self-contained multimedia integrated two-way satellite communication system |
| 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)
| 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 |
-
2001
- 2001-10-17 KR KR1020047001167A patent/KR100709306B1/ko not_active Expired - Fee Related
- 2001-10-17 WO PCT/EP2001/012010 patent/WO2003010852A1/de not_active Ceased
- 2001-10-17 EP EP01982436A patent/EP1417731B1/de not_active Expired - Lifetime
- 2001-10-17 DE DE50112302T patent/DE50112302D1/de not_active Expired - Lifetime
- 2001-10-17 US US10/485,083 patent/US6919846B2/en not_active Expired - Lifetime
- 2001-10-17 AT AT01982436T patent/ATE358898T1/de not_active IP Right Cessation
-
2004
- 2004-02-23 ZA ZA200400518A patent/ZA200400518B/en unknown
Non-Patent Citations (1)
| Title |
|---|
| See references of WO03010852A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20040015372A (ko) | 2004-02-18 |
| ZA200400518B (en) | 2004-10-19 |
| KR100709306B1 (ko) | 2007-04-20 |
| US20040196199A1 (en) | 2004-10-07 |
| US6919846B2 (en) | 2005-07-19 |
| DE50112302D1 (de) | 2007-05-16 |
| ATE358898T1 (de) | 2007-04-15 |
| WO2003010852A1 (de) | 2003-02-06 |
| EP1417731B1 (de) | 2007-04-04 |
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