EP2715863B1 - Coupleur rotatif pour transmission sans contact d'un signal electrique et vehicule - Google Patents

Coupleur rotatif pour transmission sans contact d'un signal electrique et vehicule Download PDF

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Publication number
EP2715863B1
EP2715863B1 EP12730369.1A EP12730369A EP2715863B1 EP 2715863 B1 EP2715863 B1 EP 2715863B1 EP 12730369 A EP12730369 A EP 12730369A EP 2715863 B1 EP2715863 B1 EP 2715863B1
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EP
European Patent Office
Prior art keywords
electrode
segments
stator
rotor
stator electrode
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
EP12730369.1A
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German (de)
English (en)
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EP2715863A1 (fr
Inventor
Hartmut Schäfer
Matthias Schmidt
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.)
Krauss Maffei Wegmann GmbH and Co KG
Original Assignee
Krauss Maffei Wegmann GmbH and Co KG
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Publication of EP2715863A1 publication Critical patent/EP2715863A1/fr
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Publication of EP2715863B1 publication Critical patent/EP2715863B1/fr
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/06—Movable joints, e.g. rotating joints
    • H01P1/062—Movable joints, e.g. rotating joints the relative movement being a rotation
    • H01P1/066—Movable joints, e.g. rotating joints the relative movement being a rotation with an unlimited angle of rotation
    • H01P1/068—Movable joints, e.g. rotating joints the relative movement being a rotation with an unlimited angle of rotation the energy being transmitted in at least one ring-shaped transmission line located around the axis of rotation, e.g. "around the mast" rotary joint

Definitions

  • the invention relates to a military wheeled vehicle with a signal generator for VHF signals in the military VHF range from 30 to 80 MHz and an antenna connected to the signal generator.
  • the invention can find the invention on military vehicles, which have a chassis and a rotatable relative to the chassis tower.
  • a command center or other vehicles such vehicles are typically equipped with a radio which is connected to an antenna.
  • the radio serves as a signal generator for the radio signals radiated via the antenna.
  • the antenna In order to allow the widest possible radiation range and thus the antenna is not in the directional range or shooting range of a main weapon, the antenna is arranged in such a vehicle usually at an elevated position on the tower.
  • the usually not remotely controlled radio is mainly in crew-free or remote-controlled armored towers in the field of the chassis, especially within a crew room, so that a connection of the radio with the antenna is required, which allows a rotation of the tower relative to the chassis.
  • a rotary coupling For transmitting high-frequency electrical signals between two mutually rotatable components, it is generally known to use a rotary coupling, which is arranged in the region of a rotation axis of the components.
  • a rotary joint required that in the area of the axis of rotation a space for performing optical components, eg. B. a periscope is kept.
  • a capacitive rotary joint with a stationary stator electrode and a rotor electrode which can be rotated relative to the stator electrode and which are arranged around a cylindrical free space is known, for example, from US Pat DE 197 08 035 A1 known.
  • the rotor electrode consists of a single circular ring portion, while the stator electrode is designed as a circumferential ring line.
  • a rotary joint for contactless transmission of an electrical signal with a stator electrode and a capacitive coupled to the stator electrode, rotatable relative to the stator electrode rotor electrode is known, wherein the stator electrode and / or the rotor electrode is segmented.
  • stator electrode has a circumference which is of the order of the wavelength range of the signal to be transmitted. It has proven to be disadvantageous that line-theoretical effects occur that worsen the transmission behavior of the rotary joint, so that the transmission is possible only in a narrow, narrowband wavelength range.
  • the object of the invention is to enable the broadband transmission of electrical signals via a rotary joint.
  • the stator electrode and / or the rotor electrode is subdivided into electrode segments.
  • the stator and / or the rotor electrode are thus constructed in multiple segments.
  • the dimensions of the segments may be selected to be small in relation to the wavelength range of the transmitted signal, so that wavelength-dependent transmission effects are reduced.
  • a broadband transmission of electrical signals via the rotary joint can be made possible.
  • stator electrode and / or the rotor electrode is arranged around a cylindrical free space, in particular a passage for mechanical, optical and / or electrical components, so that further components can be arranged in the region of the free space.
  • the free space may preferably be configured such that an optical, in particular glass-optical, channel of a viewing device is arranged in it.
  • stator electrode and / or the rotor electrode is segmented in such a way that there is no closed circulation around the free space along the electrode. As a result, a flow of current around the free space can be prevented.
  • the circulation along the stator electrode and / or the rotor electrode may be interrupted, so that there is no conductive connection along the stator electrode or the rotor electrode around the free space. In this way, line theory Effects such as reflection by the stator and / or the rotor electrode can be reduced.
  • the segments of the stator electrode are insulated from one another and / or if the segments of the rotor electrode are insulated from one another. Due to the insulation of the segments, a current flow between the segments of the stator electrode or between the segments of the rotor electrode can be prevented.
  • the stator electrode and / or the rotor electrode has an annular shape, whereby a free space is created in the region of the stator electrode and / or the rotor electrode.
  • the free spaces can have a large diameter.
  • the length, in particular the circumference, of the stator electrode and / or the rotor electrode is greater than 0.5 m, in particular greater than 0.8 m , preferably greater than 1 m.
  • the segments of the stator electrode and / or the rotor electrode are formed as circular ring segments.
  • the segments of the stator electrode and / or rotor electrode can be arranged along an annular course.
  • the length of the segments of the stator electrode and / or the rotor electrode is less than 1 m, in particular less than 0.8 m, preferably less than 0.5 m is. According to the invention, it is therefore provided that the length of the segments of the stator electrode and / or the rotor electrode is less than 0.5 m. In this way, it can be ensured that the length of the segments is less than one quarter of the wavelength of a VHF signal to be transmitted, so that wavelength-dependent effects can be reduced.
  • stator electrode and the rotor electrode are segmented analogously, so that line-theoretical effects are likewise reduced in the stator electrode and the rotor electrode.
  • stator electrode and the rotor electrode have the same number of segments, in particular two segments. This makes it possible to use a similar interconnection both on the side of the stator and on the side of the rotor.
  • the stator and the rotor electrode are separated in half, so that the complexity of the interconnection can be kept low.
  • stator electrode are identical and / or the segments of the rotor electrode are formed identically.
  • stator electrode and / or the rotor electrode may be composed of similar segments, whereby the manufacture of the rotary joint is simplified.
  • the stator electrode and the rotor electrode are segmented in such a way that, in a zero position, a segment of the stator electrode faces in each case a segment of the rotor electrode.
  • an air gap is arranged between the stator and the rotor electrode.
  • the air gap may isolate the stator electrode from the rotor electrode.
  • a solid, liquid or gaseous insulator, in particular Teflon can be arranged between the electrodes.
  • the rotor electrode may be rotatable relative to the stator electrode about a rotation axis. In this case, it is advantageous if the rotor electrode is at a distance from the stator electrode in a direction substantially parallel to the axis of rotation of the rotor electrode.
  • the electric field lines in the region between the rotor electrode and the stator electrode may extend in a direction substantially parallel to the axis of rotation.
  • the rotor electrode may be spaced from the stator electrode in a direction substantially perpendicular to the axis of rotation of the rotor electrode.
  • the field lines between the rotor electrode and the stator electrode may be substantially perpendicular to the direction of the axis of rotation.
  • the stator electrode and / or the rotor electrode has a folded cross section.
  • a folded cross-section of the stator and / or the rotor electrode stray capacitances can be avoided.
  • the stator electrode may have a U-shaped cross-section so that it can embrace the rotor electrode with the open side of the "U” or vice versa.
  • stator electrode and / or the rotor electrode can also be designed as conductor tracks arranged on a printed circuit board.
  • the rotary joint can have devices for interconnecting the segments of the stator electrode and / or the rotor electrode.
  • the segments of the stator are connected in parallel and / or if the segments of the rotor electrode are connected in parallel.
  • a weak signal can be supplied to the individual segments of the stator electrode or of the rotor electrode, which together give a stronger signal as a whole signal.
  • the segments of the stator electrode are connected to a device for splitting a signal onto the segments and if the segments of the rotor electrode are connected to a device for combining the signal from the segments. Furthermore, the segments of the rotor electrode may be connected to a device for splitting a signal onto the segments, and the segments of the stator electrode may be connected to a device for combining the signal from the segments.
  • a so-called combiner can be used, by means of which a signal of a predetermined amplitude can be split into a plurality of signals of reduced amplitude. Also for merging the signal, a combiner can be used, in which case several weaker signals can be combined to form a stronger signal. For the production of the coupling, it is advantageous if the device for splitting the signal and the device for combining the signal are identical, so that the number of required components is reduced.
  • the segments of the stator electrode and the rotor electrode are each connected to the device for splitting the signal or the device for combining the signal by means of a tap arranged in particular in the middle of the segment.
  • a housing surrounding the stator electrode and / or rotor electrode, which has openings. Through the openings in the housing, parasitic capacitances existing between the stator electrode and / or the rotor electrode and the housing can be reduced.
  • the housing may be formed of a non-conductive material.
  • the housing may be formed of an electrically conductive material.
  • the housing may have a stator part enclosing the stator electrode and a rotor part enclosing the rotor electrode.
  • the stator part and the rotor part are electrically connected to one another, so that an additional conductive connection, in particular a ground connection, can be produced via the housing.
  • the housing may have a slip ring transformer.
  • the invention relates to a vehicle having a signal generator for VHF signals in the military VHF range of 30 to 80 MHz and an antenna connected to the signal generator.
  • stator electrode and / or the rotor electrode of the rotary joint is divided into segments, the dimensions of which may be selected to be small in relation to the wavelength range of the transmitted signal, so that wavelength-dependent transmission effects are reduced.
  • a broadband transmission of electrical signals from the signal generator via the rotary joint to the antenna can be made possible.
  • the antenna is arranged opposite the signal generator on a turret.
  • the transmission and reception range of the antenna can be influenced.
  • the arrangement of the antenna on a turret can be reduced by the antenna interference of viewing devices and weapons of the turret.
  • the signal generator is a radio, in particular an analog radio, preferably in the VHF range.
  • the crew of the vehicle can communicate with other vehicles and / or an operations center.
  • the signal generator generates a signal in the frequency range from 30 to 300 MHz, in particular from 30 to 100 MHz, according to the invention in the military VHF range of 30 to 80 MHz.
  • the signal can have a power of up to 100 W, preferably from the range of 10 W to 100 W.
  • the advantageous embodiments described in connection with the rotary coupling according to the invention can also be used in the vehicle according to the invention.
  • the vehicle may also have a viewing device. This can be arranged on the tower.
  • the optical channel of the sighting device can run through the free space of the rotary joint.
  • a vehicle 1 which is designed as a military wheeled vehicle.
  • the vehicle 1 has a chassis designed as a tub 2 with wheels 3 and a turret 5.
  • a crew room 4 is arranged, in which arranged as a radio 31 signal generator arranged is.
  • the crew of the vehicle 1 can make contact with a command center.
  • the radio 31 generates a signal in the military VHF frequency range of 30 to 80 MHz, in particular with a power of 40W.
  • the tower 5 In the area of the roof of the tub 2, the tower 5 is rotatably mounted about a turntable 8 about a rotation axis D opposite the tub 2.
  • the tower 5 carries a weapon 6, which is directable in elevation.
  • an antenna 7 In the region of the upper end of the tower 5, an antenna 7 is further arranged, which is connected to the radio device 31. For clarity, this compound is in the Fig. 1 not shown.
  • a capacitive rotary coupling 9 is provided in the area between the tower 5 and the trough 2, which is arranged in the region of the axis of rotation D of the tower 5 is.
  • the rotary joint 9 has a segmented stator electrode 21 and a segmented rotor electrode 11, whereby the transmission of broadband signals via the rotary joint 9 can be made possible.
  • the rotary coupling 9 consists essentially of a stator 20 and a rotatable about the rotational axis D relative to the stator rotor 10. While the stator 20 in the in the Fig. 1 Vehicle 1 is arranged on the trough 2, the rotor 10 is connected to the tower 5. Due to the analog configuration of stator 20 and rotor 10, however, the rotary joint 9 could also be arranged in the reverse manner on the vehicle.
  • the rotary joint 9 is of annular shape and extends around a cylindrical space F.
  • the space F extends along the axis of rotation D and can be used to arrange other components or for passing mechanical, electrical and / or optical components through the rotary coupling be used.
  • a viewing device 40 for example a periscope, is arranged on the tower 5, wherein the glass-optical channel from the viewing device 40 to the vehicle interior runs through the free space F of the rotary coupling 9.
  • the region of the rotation axis D is thus available for the glass-optical channel.
  • the stator 20 has a stator electrode 21 which is capacitively coupled to the rotor electrode 11 arranged on the rotor.
  • the cross section of the stator electrode 21 is formed folded in a U-shape in order to obtain the largest possible surface for the coupling of the electrodes.
  • the rotor electrode 11 has a rectangular cross-section, which engages in the region of the opening of the "U" in the stator 21.
  • the stator electrode 21 is thus spaced from the rotor electrode 11 both in a direction parallel to the axis of rotation D and in a direction perpendicular to the axis of rotation D. Between the electrodes 11, 21 there is an air gap; Alternatively, to isolate the electrodes 11, 21, a solid or liquid insulator, for. As Teflon, or a gaseous medium between the electrodes 11, 21 are introduced.
  • the stator 20 further has a metallic housing 25 which encloses the stator electrode 21 as well as parts of the rotor 10, in particular the rotor electrode 11. If the housing 25 and the electrodes 11, 21 are not at the same potential, there is between the respective electrode 11, 21 and the housing a parasitic capacitance. In order to reduce this parasitic capacitance, 25 openings can be arranged in the housing.
  • a counter pole of the VHF signal in particular a mass
  • the housing 25 can have a stator part and a rotor part, between which there is an electrically good conductive connection, which can be produced for example via a contacting slip ring track.
  • the rotor electrode 11 and the stator electrode 21 it is necessary to arrange the rotor electrode 11 and the stator electrode 21 as far as possible from the inside of the enclosing housing 25 in order to minimize parasitic capacitances.
  • a plurality of taps 13 are arranged both on the stator 20 and on the rotor 10, which are contacted with the respective electrode 11, 21 via a feed line 14, 24.
  • the circumference of the stator electrode 21 and / or the rotor electrode 11 in the exemplary embodiment is greater than 0.5 m, in particular greater than 0.8 m, preferably greater than 1 m. Since the circumference of the rotor electrode 11 and the stator electrode 21 is thus on the order of the wavelength of the transmitted signals, special provisions are made in the rotary joint 9 to reduce wavelength-dependent damping effects: Both the rotor electrode 11 and the stator electrode 21 are formed segmented, so the magnitude of the individual segments 12.1, 12.2, 22.1, 22.2 is less than one quarter of the wavelength of the transmitted signals.
  • the representations in the 4 and 5 show a section through the rotary joint 9 along in the Fig. 3 designated SS, wherein the rotor electrode 10 and the stator electrode 20 are shown separated from each other.
  • the rotor electrode 11 is like the Fig. 4 can be seen, divided into two segments 12.1, 12.2, which are identical.
  • the segments 12.1, 12.2 of the rotor electrode 11 have, in particular, the same length and are arranged in the manner of circular ring segments around the free space F running around.
  • the segments 12.1, 12.2 are isolated from each other, so that between the segments 12.1, 12.2 separation points, which cause a galvanic separation of the segments 12.1, 12.2.
  • a tap 13.1, 13.2 is provided in each case in the middle of the segments 12.1, 12.2.
  • the stator electrode 21 is also half separated into two segments 22.1, 22.2, which are identical.
  • the segments 22.1, 22.2 of the stator 21 are formed so that they are in the in the 4 and 5 exactly opposite shown zero position. In this zero position, the right-hand segment 12.2 of the rotor electrode 11 is capacitively coupled to the right-hand segment 22.2 of the stator electrode 21; the left segment 12.1 of the rotor electrode 11 in the illustration is capacitively coupled to the left segment 22.1 of the stator electrode.
  • the length of the segments 22.1, 22.2 of the stator electrode 21 and / or the segments 12.1, 12.2 of the rotor electrode 11 is less than 1 m, in particular less than 0.8 m, preferably less than 0.5 m.
  • the radio device 31 is connected to a device 30.1 for splitting the signal generated by the radio device, which separates the signal generated by the radio device 31 into two signals of half amplitude, via separate leads 32 and 33 to the segments 22.1, 22.2 of the stator 21st be directed.
  • the supply line 32 is connected via the tap 23.1 with the segment 22.1 of the stator 21.
  • the other supply line 33 is connected via a further tap 23.2 with the segment 22.2 of the stator 21.
  • the two segments 22.1, 22.2 of the stator electrode 21 are thus connected in parallel and transmit substantially identical information.
  • the device 30.1 is designed such that the terminals which are connected to the leads 32, 33 are insulated from each other ,
  • the segments 22.1, 22.1 of the stator electrode 21 are capacitively coupled to the segments 12.1, 12.2 of the rotor electrode 11, which are connected via the supply lines 34 and 35 to a device 30.2 for combining the signals.
  • a device 30.2 is referred to as a combiner and is usually formed reversible, so that a plurality of individual signals can be combined in one direction and in the opposite direction, a signal can be split into a plurality of individual signals.
  • the rotor-side combiner 30.2 carries the two transmitted via the rotary coupling 9 signals together and forwards the resulting total signal to the antenna 7.
  • a signal received by the antenna 7 can be split by means of the combiner 30.2 and fed via the leads 34 and 35, the rotor segments 12.1, 12.2, the stator segments 22.1, 22.2, the leads 32 and 33 to the combiner 30.1.
  • the stator-side combiner 30.1 merges the signals and forwards them to the radio device 31, which operates in this receiving direction as a signal receiver.
  • the electrodes 11, 21 of the rotary joint can also have more than two segments 12.1, 12.2, 22.1, 22.2.
  • the combiners 30.1, 30.2 it is necessary to design the combiners 30.1, 30.2 in such a way that they can split up or combine the corresponding number of individual signals.
  • the rotary coupling 9 described above has a stator electrode 21 and a rotor electrode 11, which are divided into segments 12.1, 12.2 and 22.1, 22.2.
  • the dimensions of the segments 12.1, 12.2, 22.1, 22.2 can be selected to be small in relation to the wavelength range of the transmitted signal, so that wavelength-dependent transmission effects are reduced.
  • a broadband transmission of high-frequency electrical signals, in particular a VHF signal are made possible via the rotary joint 9.
  • powers of up to at least 100 W can be transmitted.

Landscapes

  • Waveguide Connection Structure (AREA)

Claims (12)

  1. Véhicule à roues militaire comprenant un générateur de signaux (31) pour des signaux VHF dans la plage VHF militaire de 30 à 80 MHz et une antenne (7) reliée au générateur de signaux (31),
    caractérisé en ce
    que le générateur de signaux (31) et l'antenne (7) sont reliés au moyen d'un coupleur rotatif (9) servant à la transmission sans contact d'un signal VHF dans la plage VHF militaire de 30 à 80 MHz, comprenant une électrode de stator (21) et une électrode de rotor (11) couplée de manière capacitive à l'électrode de stator (21) et pouvant tourner par rapport à l'électrode de stator (21), l'électrode de stator (21) et/ou l'électrode de rotor (11) étant segmentée, les segments (22.1, 22.2) de l'électrode de stator (22) et/ou les segments (12.1, 12.2) de l'électrode de rotor (11) étant réalisés sous la forme de segments d'anneau circulaire et la longueur des segments (22.1, 22.2) de l'électrode de stator (21) et/ou des segments (12.1, 12.2) de l'électrode de rotor (11) étant inférieure à 0,5 m.
  2. Véhicule à roues militaire selon l'une des revendications précédentes, caractérisé en ce que l'électrode de stator (21) et/ou l'électrode de rotor (11) est disposée autour d'un espace libre (F) cylindrique, notamment un passage pour des composants mécaniques, optiques et/ou électriques.
  3. Véhicule à roues militaire selon la revendication 2, caractérisé en ce que l'électrode de stator (21) et/ou l'électrode de rotor (11) est segmentée de telle sorte qu'aucun bouclage fermé autour de l'espace libre (F) n'est produit le long des électrodes (11, 21).
  4. Véhicule à roues militaire selon l'une des revendications précédentes, caractérisé en ce que les segments (22.1, 22.2) de l'électrode de stator (21) sont isolés les uns des autres et/ou en ce que les segments (12.1, 12.2) de l'électrode de rotor (11) sont isolés les uns des autres.
  5. Véhicule à roues militaire selon l'une des revendications précédentes, caractérisé en ce que l'électrode de stator (21) et/ou l'électrode de rotor (11) possède un tracé en forme d'anneau circulaire.
  6. Véhicule à roues militaire selon la revendication 5, caractérisé en ce que la circonférence de l'électrode de stator (21) et/ou de l'électrode de rotor (11) est supérieure à 0,5 m, notamment supérieure à 0,8 m, de préférence supérieure à 1 m.
  7. Véhicule à roues militaire selon l'une des revendications précédentes, caractérisé en ce que l'électrode de stator (21) et l'électrode de rotor (11) possèdent le même nombre de segments (12.1, 12.2, 22.1, 22.2), notamment deux segments (12.1, 12.2, 22.1, 22.2).
  8. Véhicule à roues militaire selon l'une des revendications précédentes, caractérisé en ce que les segments (22.1, 22.2) de l'électrode de stator (21) sont branchés en parallèle et/ou en ce que les segments (12.1, 12.2) de l'électrode de rotor (11) sont branchés en parallèle.
  9. Véhicule à roues militaire selon l'une des revendications précédentes, caractérisé en ce que les segments (22.1, 22.2) de l'électrode de stator (21) sont reliés à un dispositif (30.1) destiné à diviser un signal sur les segments (22.1, 22.2) et en ce que les segments (12.1, 12.2) de l'électrode de rotor (11) sont reliés à un dispositif (30.2) destiné à regrouper le signal des segments (12.1, 12.2) et/ou inversement.
  10. Véhicule à roues militaire selon l'une des revendications précédentes, caractérisé en ce que les segments (22.1, 22.2) de l'électrode de stator (21) et les segments (12.1, 12.2) de l'électrode de rotor (11) sont respectivement reliés au dispositif (30.1) destiné à diviser le signal ou au dispositif (30.2) destiné à regrouper le signal au moyen d'une prise (13.1, 13.2, 23.1, 23.2) disposée au centre du segment (12.1, 12.2, 22.1, 22.2).
  11. Véhicule à roues militaire selon l'une des revendications précédentes, caractérisé en ce que l'antenne (7) est disposée sur une tourelle (5) par rapport au générateur de signaux (31).
  12. Véhicule à roues militaire selon l'une des revendications précédentes, caractérisé en ce que le générateur de signaux (31) est un appareil radioélectrique.
EP12730369.1A 2011-05-24 2012-05-18 Coupleur rotatif pour transmission sans contact d'un signal electrique et vehicule Active EP2715863B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011050588A DE102011050588A1 (de) 2011-05-24 2011-05-24 Drehkupplung zur berührungsfreien Übertragung eines elektrischen Signals und Fahrzeug
PCT/DE2012/100147 WO2012159622A1 (fr) 2011-05-24 2012-05-18 Joint tournant destiné au transfert sans contact d'un signal électrique et véhicule

Publications (2)

Publication Number Publication Date
EP2715863A1 EP2715863A1 (fr) 2014-04-09
EP2715863B1 true EP2715863B1 (fr) 2019-07-31

Family

ID=46396950

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12730369.1A Active EP2715863B1 (fr) 2011-05-24 2012-05-18 Coupleur rotatif pour transmission sans contact d'un signal electrique et vehicule

Country Status (3)

Country Link
EP (1) EP2715863B1 (fr)
DE (1) DE102011050588A1 (fr)
WO (1) WO2012159622A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018201510A1 (de) * 2018-02-01 2019-08-01 Robert Bosch Gmbh Vorrichtung zur Übertragung eines Signals mittels Wellenleitern
CN112803127B (zh) * 2021-04-14 2021-06-25 中航富士达科技股份有限公司 一种宽频带非接触式同轴旋转关节及雷达天线

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2456398A1 (fr) * 1979-05-11 1980-12-05 Thomson Csf Joint tournant multivoies pour equipement de detection electromagnetique
US4516097A (en) * 1982-08-03 1985-05-07 Ball Corporation Apparatus and method for coupling r.f. energy through a mechanically rotatable joint
JP2913636B2 (ja) * 1987-03-10 1999-06-28 ソニー株式会社 回転結合器
DE19708035A1 (de) 1996-02-27 1997-10-30 Spinner Gmbh Elektrotech Drehkupplung zur Übertragung elektromagnetischer Wellen
ATE403240T1 (de) * 1997-01-03 2008-08-15 Schleifring Und Appbau Gmbh Vorrichtung zur kontaktlosen übertragung elektrischer signale und/oder energie
GB2368470B (en) * 2000-05-10 2004-02-18 Transense Technologies Plc An improved rotary signal coupler
GB2429118A (en) * 2005-07-26 2007-02-14 Sensor Technology Ltd Rotary signal coupler having inductive and capacitive elements in series

Non-Patent Citations (1)

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

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Publication number Publication date
DE102011050588A1 (de) 2012-11-29
WO2012159622A1 (fr) 2012-11-29
EP2715863A1 (fr) 2014-04-09

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