EP2580805A1 - Elektrische versorgungsleitung und antenne mit elektrischer versorgungsleitung - Google Patents
Elektrische versorgungsleitung und antenne mit elektrischer versorgungsleitungInfo
- Publication number
- EP2580805A1 EP2580805A1 EP10735180.1A EP10735180A EP2580805A1 EP 2580805 A1 EP2580805 A1 EP 2580805A1 EP 10735180 A EP10735180 A EP 10735180A EP 2580805 A1 EP2580805 A1 EP 2580805A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- supply line
- magnetic field
- conductor
- conductors
- electrical supply
- 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 abstract description 119
- 230000003247 decreasing effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 230000005236 sound signal Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005358 geomagnetic field Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000005426 magnetic field effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004804 winding Methods 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
- H01Q1/34—Adaptation for use in or on ships, submarines, buoys or torpedoes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/04—Adaptation for subterranean or subaqueous use
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
- H01Q1/46—Electric supply lines or communication lines
Definitions
- the invention relates to an electrical supply line for arrangement in a sensitive to magnetic fields environment that causes almost no magnetic field in their environment, even if they are current-carrying.
- This electrical supply line is provided in particular for a towed antenna of a watercraft, in particular a submarine.
- the invention relates to an antenna, in particular towed antenna, with this electrical supply line.
- Such an antenna is, for example, a towed antenna towed by the vessel or a so-called "towed array".
- this antenna is usually substantially parallel to the water surface in the water.
- such an antenna may, for example, be vertically lowered to obtain height information from measurements.
- Antennas have a variety of sonar sensors with which they can receive water sound signals.
- the sonar sensors are in particular electro-acoustic transducers which generate electrical signals from water sound signals.
- an antenna has the electrical supply line. Furthermore, the antenna has one or more data lines, by means of which sensed water sound signals, possibly after preprocessing, can be conducted through or along the antenna to the watercraft.
- Antennas may have other sensors, in particular magnetic field sensors, in addition to the sonar sensors.
- the magnetic field sensors sense a local orientation of the antenna in the region of the respective magnetic field sensor relative to the earth's magnetic field. Namely, field lines of the earth's magnetic field have a location-dependent characteristic angle relative to the earth's surface.
- Sense information about the passage angle of the magnetic field lines of the earth's magnetic field through an antenna designed as a towed antenna at a specific position is therefore combined with further information about the position of the towed antenna or a respective section of the towed antenna, in particular relative to the earth's surface. used to determine the position of the towed antenna.
- the position of the towed antenna In particular, when the towed antenna has a curved course, for example, after cornering of the towed antenna towed watercraft, it can be concluded that the position of the towed antenna.
- objects from which waterborne sound signals are received can also be assigned location information.
- Electric currents in electrical conductors also generate magnetic fields which may be superimposed on the earth's magnetic field and are also sensed by the magnetic field sensors. A measurement of the earth's magnetic field can therefore be falsified by electromagnetically generated magnetic fields.
- Electrical supply lines typically carry currents that are large enough to undesirably affect measurements of the magnetic field by magnetic field sensors located in close proximity to that supply line. It is therefore desirable to use in an antenna an electrical supply line which does not cause a magnetic field or a magnetic field with a very low magnetic field strength in its environment.
- a known measure for reducing the magnetic field strength in the vicinity of a supply line is a shield of this supply line. Although magnetic field lines are generated in this case, they do not reach or only greatly attenuate an environment of the supply line.
- Another known way to reduce the magnetic field strength in the vicinity of the supply line is a twisted arrangement of a return conductor of the supply conductor with each other. The forward and return conductors generate magnetic fields with oppositely directed magnetic field lines, so that these magnetic fields largely cancel each other out. A remaining resulting magnetic field is dependent on a density of the twist and a distance of the Hinleiters from the return conductor or an insulation thickness between the forward and return conductors.
- a use of the known electrical supply lines, which generate a reduced or neutral magnetic field in their environment for the antenna of a watercraft is associated with disadvantages.
- all known such supply lines to such a large volume and / or a large mass relative to the length of the supply line, that their use in an antenna would lead to correspondingly wide-sized or heavy antennas.
- the invention is therefore based on the object of providing an electrical supply line for arrangement in a magnetic field sensitive environment, in particular in a sonar sensors and magnetic field sensors having antenna of a vessel, and an antenna, in particular towed antenna, with this supply line to provide this electrical supply line in their environment is largely magnetic field neutral and in particular has a comparatively small volume and a relatively low mass compared to known magnetic field neutral supply lines.
- the invention solves this problem with an electrical supply line according to claim 1 and with an antenna according to claim 9.
- both conductors namely the forward conductor and the return conductor each have a plurality of conductor tracks, in particular a plurality of conductor tracks.
- Many comparatively thin conductor tracks are arranged at the smallest possible distance relative to each other. All interconnects are further arranged at least locally substantially parallel to each other.
- the conductor tracks of the different conductors are mixed with one another in such a way that, in the event that the conductors are traversed by electrical currents in opposite directions of flow, the magnetic fields generated by these electrical currents of all conductor tracks in the vicinity of the supply line compensate, in particular largely or completely substantially completely or at least partially cancel each other out.
- magnetic field sensors can therefore be arranged in the immediate vicinity of this electrical supply line.
- this electrical supply line and by their comparatively low mass, it is possible to produce antennas which likewise have a comparatively small volume and a comparatively low mass and are therefore advantageous to handle.
- the electrical supply line according to the invention is also suitable for other applications in which a magnetic field-neutral supply line is desired or needed.
- any underwater applications in which an orientation by means of a satellite-based navigation system, for example.
- GPS Global Positioning System
- the invention can also be advantageously used in unmanned underwater vehicles (UUV) or autonomous underwater vehicles (AUV).
- UUV unmanned underwater vehicles
- AUV autonomous underwater vehicles
- the electrical supply line has at least one flexible printed circuit board, each with at least one plane, in which the printed conductors are arranged next to one another.
- the printed circuit board is preferably a so-called. Flex printed circuit board. Such a circuit board is inexpensive to manufacture with great precision, with a very dense arrangement of the conductors is possible side by side.
- the printed circuit board is a multilayer printed circuit board having at least two planes arranged one above the other, wherein the printed conductors with the planes are arranged one above the other and within the planes next to one another.
- the printed conductors with the planes are arranged one above the other and within the planes next to one another.
- each trace of the Hinleiters not far away from each arranged at least one disposed in an adjacent plane trace of the return conductor as arranged by any arranged in this adjacent plane trace of the Hinleiters.
- these magnetic fields extinguish in the environment particularly advantageous against each other or neutralize themselves.
- each trace of the Hinleiters adjacent to a conductor track of the return conductor is disposed within the respective level.
- the conductor tracks of the Hinleiters and the return conductor are arranged in an alternating sequence in this plane.
- a plurality of printed conductors of a printed conductor bundle have, on average, a cross-sectional area and / or printed conductor width which decreases from the middle to the edge of the printed conductor bundle.
- a conductor bundle is a plurality of conductor tracks.
- the conductor tracks of a printed circuit board define a conductor track bundle.
- the width of the conductor tracks or their cross-sectional area decreases towards the side edges of the printed circuit board.
- the strip conductors lying at the edges with the comparatively smaller cross-sectional area or conductor track width there is a comparatively higher internal resistance, which causes a comparatively lower magnetic field to form.
- This is advantageous because at the edges of the bundle or the printed circuit board, the neutralizing effect of other conductor tracks due to their removal and one-sided position relative to the conductor tracks of the edge is lower.
- the magnetic behavior of the electrical line improves even further by this configuration.
- the electrical line is flexible and bendable.
- this line preferably has a plurality of printed circuit boards, each having a plurality of interconnects, said circuit boards are formed as extending parallel to the strip conductors strip.
- the circuit boards designed as strips can thus be parts of a larger printed circuit board initially produced which has been separated into a plurality of strips. These relatively narrow strips are relatively easier to bend and twist than wide printed circuit boards, so that they allow a flexible bending of the supply line.
- a plurality of printed circuit boards in particular a plurality of circuit boards designed as strips, are combined to form a bundle or a plurality of bundles.
- the circuit boards are only narrow strips, a sufficient number of interconnects or a sufficiently large cross-sectional area of all interconnects together to transport sufficient supply energy through the supply line can.
- the bundle of printed circuit boards especially in the case that they are designed as strips, so flexible that even the supply line itself remains flexible.
- the antenna according to the invention is preferably provided for a watercraft, in particular a submarine, and has sonar sensors and magnetic field sensors in addition to the supply line according to the invention.
- the antenna is a towed antenna
- a supply voltage is conducted by the conductors, wherein the conductors are electrically connected to the direction sensors and / or the magnetic field sensors or compass sensors and / or other electrical consumers for their supply of electrical energy.
- the respective sensors are powered by the supply line with electrical energy.
- the magnetic field sensors are exposed to substantially no or a negligible low caused by the supply line magnetic field strength.
- the magnetic field in the region of the magnetic field sensors is so small relative to the earth's magnetic field that the magnetic field sensors can measure the geomagnetic field substantially uninfluenced by magnetic fields of the supply line.
- the antenna or the electrical supply line comprises a forward conductor and / or a return conductor for at least two separate supply voltages with which the sonar sensors and the magnetic field sensors can be supplied with electrical energy separately from each other. Possibly. For example, different sensors require a different supply voltage. Alternatively, other sensors or consumers of electrical energy can be supplied with electrical energy in this way.
- At least one of the conductors preferably carries an electrical current with variable current intensity. Changing currents in other known electrical conductors often lead to unwanted magnetic field effects in the environment.
- the supply line according to the invention in particular in the towed antenna according to the invention, nevertheless allows an essentially magnetic-field-neutral conductor guidance.
- the antenna preferably has at least one data line connected to the magnetic field sensors. Via the data line sensed data are directed to the vessel. At least one further or the same data line is provided for conducting sensed data of the magnetic field sensors or data obtained therefrom to the vessel.
- FIG. 1 shows a section of a multilayer printed circuit board with two levels, which forms an electrical supply line as a cable replacement, according to a first embodiment in a sectional view;
- FIG. 2 is a sectional view of a bundle of strips formed as strips according to a second embodiment of the invention
- Fig. 3 is drawn from a submarine towed antenna according to a first embodiment in a plan view and
- FIG. 4 is a sectional view of a portion of the towed antenna of FIG.
- FIG. 1 shows a sectional view of a section of a multilayer, in particular two-layer, flex printed circuit board 2 with printed conductors 4, 6, 8, 10 and 12 of a forward conductor 14 and further printed conductors 16, 18, 20, 22 and 24 of a Return conductor 26.
- the forward conductor 14 and the return conductor 26 together form a cable replacement or are part of a cable replacement.
- the conductor tracks 16, 6, 20, 10 and 24 are arranged in a first plane 28 of the printed circuit board 2, wherein printed conductors 6, 10 of the Hinleiters 14 are arranged alternately with conductor tracks 16, 20 and 24 of the return conductor 26.
- the interconnects 4, 8 and 12 of the Hinleiters 14 are arranged with the tracks 18 and 22 of the return conductor 26 in a second sequence 30 of the circuit board 2 in an alternating sequence.
- Each conductor track 4, 6, 8, 10 or 12 of the Hinleiters 14 of the respective level 28 and 30 is in the respective other plane 28 and 30 adjacent or opposite a conductor track 16, 18, 20, 22, 24 of the return conductor 26 is arranged , As a result, a good mixing of the tracks 4 - 12 of the Hinleiters 14 with the tracks 16 - 24 of the return conductor 26 is achieved.
- magnetic lines 32, 34, 36, 38 and 40 are generated in a first direction or in a first direction of rotation by the conductor tracks 4 - 12 of the lead-out conductor 14.
- magnetic field lines 42, 44, 46, 48 and 50 of magnetic fields in a second direction or in a second direction of rotation are generated.
- a width or a diameter of the conductor tracks 4 - 12 and 16 - 24 decreases.
- the interconnects 4, 6, 8, 16, 18 and 20 have a uniform width.
- the printed conductors 12 and 24 lying directly on the edge 52 even have a further reduced width or a further reduced diameter.
- this outer or further lying on the edge of conductor tracks 10 and 22 or 12 and 24 relatively lower currents that generate a relatively lower magnetic field, by a smaller diameter of the illustrated magnetic field lines 40 and 50 or by a smaller surface area through The magnetic field lines 38, 48, 40 and 50 enclosed surface is indicated.
- the magnetic fields extinguish as far as possible in the vicinity of the edge 52.
- FIG. 2 shows a bundle 54 of strip-like or strip-shaped double-layered flex printed circuit boards 56, 58, 60, 62 and 64 in a sectional view.
- the printed circuit boards 56-64 are formed identical to one another, so that the construction described below for the printed circuit board 56 also applies correspondingly to the printed circuit boards 58-64.
- the printed circuit board 56 has two planes, namely a first plane 28 'and a second plane 30'.
- a forward conductor 14 ' has conductor tracks 66, 68, 70 and 72, which are arranged distributed on both levels 28' and 30 'and within these levels 28' and 30 '. In alternating sequence next to or between the tracks 66-72 of the Hinleiters 14 'are distributed according to printed conductors 74, 76, 78 and 80 of the return conductor 26'.
- the printed conductors 66 - 72 of the Hinleiters 14 ' are thus mixed with the tracks 74 - 80 of the return conductor 26', wherein in the direction of each adjacent plane 28 'or 30' and within the plane 28 'or 30 querab to respective current direction on each conductor 66 - 72 of the Hinleiters 14 'a conductor 74 - 80 of the return conductor 16' follows or vice versa.
- the interconnect 66-80 together form a conductor bundle 81.
- a width of the tracks 66, 72, 74 and 80 at edges 52 'and 52 "of the printed circuit board 56 is less than widths of in a center or away from the edges 52' and 52" to optimize a resulting magnetic field in the vicinity of the bundle 54.
- FIG. 3 shows a towed antenna 82 which is towed by a watercraft 84, for example a submarine.
- the towed antenna 82 has a plurality of sonar sensors, not shown.
- the towed antenna 82 has a plurality of magnetic field sensors 86, 88, 90, 92, 94 and 96, whose exemplary positions on the towed antenna 82 are illustrated by dots in the figure.
- the magnetic field sensors 86-96 are preferably not visible from the outside in the towed antenna 82.
- the number of magnetic field sensors 86-96 or their distances relative to each other on the towed antenna 82 is or are chosen here only as an example. Preferably, a number of more than 80, for example 96 magnetic field sensors, is provided.
- FIG. 4 shows a section of the towed antenna 82 of FIG. 3 in an enlarged sectional view in side view.
- This illustrated section shows by way of example the magnetic field sensor 86.
- two waterborne sound sensors or sonar sensors 98 and 100 are shown.
- an electrical supply line 102 Arranged centrally in the towed antenna 82 is an electrical supply line 102 according to the invention, via which both the magnetic field sensor 86 and the sonar sensors 98 and 100 are supplied with electrical energy.
- the magnetic field sensor 86 is connected to a data line 104 through which it sends data signals to the craft 84 in response to a sensed magnetic field.
- Another data line 106 is provided for forwarding data signals of the sonar sensors 98 and 100 to the vessel 84.
- the electrical supply line 102 has a multiplicity of the printed circuit boards 2 according to FIG. Alternatively, the bundle 54 shown in FIG. 2 or a plurality of such bundles 54 may be provided. Other configurations of the electrical supply line 102 and the printed circuit boards 2 and 56-64 in the context of the invention are possible.
- the electrical supply line 102 is arranged to save space inside the towed antenna 82. This supply line 102 has such a smaller volume and so low a mass that a cross section of the towed antenna 82 can remain comparatively small, which has, inter alia, advantages in winding the towed antenna 82 on the watercraft 84.
- the mass of the electrical supply line 102 is so small that for the special requirements of this electrical supply line 102 with respect to the magnetic field radiation no additional buoyancy bodies must be provided or no unwanted sinking of the towed antenna 82 is to be feared.
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/DE2010/000664 WO2011153972A1 (de) | 2010-06-12 | 2010-06-12 | Elektrische versorgungsleitung und antenne mit elektrischer versorgungsleitung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2580805A1 true EP2580805A1 (de) | 2013-04-17 |
| EP2580805B1 EP2580805B1 (de) | 2015-08-05 |
Family
ID=42596568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10735180.1A Not-in-force EP2580805B1 (de) | 2010-06-12 | 2010-06-12 | Elektrische versorgungsleitung und antenne mit elektrischer versorgungsleitung |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2580805B1 (de) |
| WO (1) | WO2011153972A1 (de) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE287180C (de) * | ||||
| US5640325A (en) * | 1988-09-13 | 1997-06-17 | Litton Systems, Inc. | Sensor array dynamic position and orientation determination system |
| DE19909205C1 (de) * | 1999-03-03 | 2000-11-23 | Stn Atlas Elektronik Gmbh | Schleppantenne und Verfahren zu ihrer Herstellung |
-
2010
- 2010-06-12 WO PCT/DE2010/000664 patent/WO2011153972A1/de not_active Ceased
- 2010-06-12 EP EP10735180.1A patent/EP2580805B1/de not_active Not-in-force
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2011153972A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011153972A1 (de) | 2011-12-15 |
| EP2580805B1 (de) | 2015-08-05 |
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