EP1516390B1 - Dispositif parafoudre et filtre antiparasite - Google Patents

Dispositif parafoudre et filtre antiparasite Download PDF

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Publication number
EP1516390B1
EP1516390B1 EP03722168A EP03722168A EP1516390B1 EP 1516390 B1 EP1516390 B1 EP 1516390B1 EP 03722168 A EP03722168 A EP 03722168A EP 03722168 A EP03722168 A EP 03722168A EP 1516390 B1 EP1516390 B1 EP 1516390B1
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EP
European Patent Office
Prior art keywords
lines
inner conductor
housing
interference filter
lightning arrester
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
EP03722168A
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German (de)
English (en)
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EP1516390A1 (fr
Inventor
Marcel Inauen
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Huber and Suhner AG
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Huber and Suhner AG
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Publication date
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Publication of EP1516390A1 publication Critical patent/EP1516390A1/fr
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/42—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches
    • H01R24/48—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches comprising protection devices, e.g. overvoltage protection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00—Overvoltage arresters using spark gaps
    • H01T4/08—Overvoltage arresters using spark gaps structurally associated with protected apparatus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles

Definitions

  • the invention relates to a Störschutzfilter- and Blitzstromableiter device in a coaxial line for transmitting high-frequency signals
  • a Störschutzfilter- and Blitzstromableiter device in a coaxial line for transmitting high-frequency signals comprising a housing with two connectors, wherein the housing forms a ground-connected outer conductor and guided through the housing inner conductor, and a connection between inner conductor and housing, wherein this connection consists of a conduit which is arranged approximately parallel to the inner conductor and is connected at one end to the inner conductor and at the other end to the housing.
  • Störschutzfilter- and Blitzstromableiter facilities of this type serve assemblies, devices or systems which are connected to lines, e.g. Coaxial cables of telecommunications equipment to protect against electromagnetic pulses, surges and / or lightning currents.
  • Artificial-type electromagnetic pulses may be generated by, for example, motors, switches, switched-mode power supplies or even in connection with nuclear events, and pulses of natural origin may arise, for example, as a result of direct or indirect lightning strikes.
  • the known protective circuits are arranged on the input side of the modules, devices or systems, which may be dissipative or reflective systems.
  • EMP arrester of this kind is out EP 938 166 known.
  • This EMP arrester has a housing, which serves as an outer conductor and is connected to the ground.
  • a first part of this housing which is in the direction of the insertion axis a coaxial cable runs, an inner conductor is guided.
  • a second housing part which protrudes at right angles from the first housing part, a connection in the form of a ⁇ / 4 short-circuit line is arranged, which the inner conductor connects to the housing.
  • EMP arresters of this type must comply with international standards and comply, for example, with the test conditions in accordance with the IEC (International Electronic Commission) standard.
  • IEC International Electronic Commission
  • arresters of this type have the disadvantage that even a residual voltage and thus also a residual energy via the inner conductor to the connected modules, devices or equipment is delivered. Since there is only one contact point of the short-circuit cable to the housing, the current carrying capacity is limited.
  • a further disadvantage is that the housing part arranged at right angles to the inner conductor, which accommodates the ⁇ / 4 short-circuit conductor, is relatively large and leads to a bulky size of these arresters.
  • An arrester in a more compact design is out DE 199 36 869 known.
  • a chamber is provided on the housing, which is arranged in a lying at a radial distance and approximately parallel to the inner conductor tangential plane.
  • this chamber is located as a connection between the inner conductor and housing a short-circuit conductor of a certain length in a circular or spiral arrangement.
  • This embodiment leads to a reduction of the radial construction mass of the device.
  • FIG. 02/35659 A Another lightning arrester device in a compact design is out WO 02/35659 A known.
  • an inner conductor is guided centrally through a housing, wherein the housing forms an outer conductor.
  • a short-circuit connection is arranged approximately parallel to the inner conductor.
  • This connection is connected in the central region via a connecting element with the housing and at the two end regions also via connecting elements with the inner conductor.
  • This arrangement allows a compact and largely axially symmetrical design of the device. It is already possible to partially reduce residual and residual pulses. However, there is a desire and need to further reduce these residual and residual pulses. Also, this device has only one contact point between the short-circuit conductor and the housing, whereby the current carrying capacity remains limited.
  • the housing should have no perpendicular protruding additional components and the whole device should be made compact and largely axially symmetrical.
  • a connection between the inner conductor and the housing is formed by at least two conductors running at least partially parallel, which are insulated from one another.
  • the ends of these conductors each have a contact element to the inner conductor and the housing and these contact elements are arranged so that the direction of flow of the currents in the two conductors are directed against each other.
  • This arrangement provides the advantage that when interference pulses or interference signals occur, e.g. caused by lightning or another event and derived via the two lines to ground, the residual stresses and the residual energies are largely eliminated.
  • the two parallel and mutually directed lines are closely coupled with each other and by the mutual induction effect residual stresses or residual pulses and residual energies are largely abolished.
  • the use of two lines has the further advantage that two contact elements or contact points to the housing, or to the mass are present and thus twice as large surge currents can be dissipated to ground.
  • the induction effect between the two lines has the consequence that the residual stresses and the residual energies that occur at the output of the device, at least significantly reduced and largely optimal design be eliminated.
  • Comparative measurements compared to a traditional device with a right angle projecting ⁇ / 4 short-circuit line for the same frequency ranges show that in the inventive solution, the residual voltage pulse, for example by a factor of 8 and the residual energy can be reduced by a factor of 60, for example. These factors can vary within a wide range depending on the design and choice of materials of the individual components, but it is in any case a significant reduction of the residual pulse and the residual energy.
  • a further advantageous solution consists in that the two lines are arranged approximately parallel to the inner conductor and on a cylindrical surface concentric with the inner conductor.
  • the two contact elements of the two lines, which are connected to the inner conductor, are arranged in the direction of the longitudinal axis of the inner conductor at a distance from each other, so that the two lines of these contact elements or contact points are directed against each other.
  • the longitudinal axes of the inner conductor and the two lines extend approximately parallel to the longitudinal axis of the device or of the housing. All essential components of the device are arranged around the longitudinal axis of the housing such that the housing can be formed concentrically with the longitudinal axis.
  • This arrangement results in a compact, cylindrical design of the device, in which the input and output for the cable or the corresponding connector on the same axis and this coincides with the longitudinal axis of the device.
  • the length of the device can be reduced in this inventive embodiment, since the two lines between the inner conductor and the housing are arranged overlapping.
  • the arrangement of the inner conductor and the two lines, which form a pair in a cylindrical core cavity of the housing leads to a solution which is easy to manufacture and assemble.
  • a further advantageous solution arises from the fact that the inner conductor in a cylindrical core cavity and each of the lines which form a pair, each in an additional cavity is arranged in the housing. This allows for greater bandwidth and bandwidth adjustments by changing the shape and location of the cavities.
  • the two lines, which form a pair can be arranged in both solutions with different angular distance from each other, which leads to advantageous and easy adjustment options with respect to the desired properties, in particular an optimal coupling of the two lines. In this case, this angular distance is measured in a radial plane to the inner conductor or to the longitudinal axis of the device.
  • the electrical and electromagnetic properties of the device can be changed and adapted to predetermined operating conditions.
  • the dielectric elements are also simple and compact.
  • the arrangement of the two lines, which form a pair, on a lateral surface, which runs parallel to the inner conductor, allows an advantageous cylindrical construction of the device.
  • the line pairs can also lie in parallel radial planes or loop-shaped in a concentric lateral surface or in a tangential housing plane or surface. The prerequisite is that the two lines of a pair at least in a partial area are approximately parallel and the currents in the two lines are directed against each other.
  • the arrangement of two concentric and spaced from the inner conductor extending lines also allows in the axial direction of the inner conductor a shortened design.
  • Each of the two lines lies in a radial plane, wherein these two radial planes are arranged approximately at right angles to the inner conductor and at a distance from each other.
  • the contact elements to the inner conductor at each one end of the two lines are directed approximately radially inwards and serve for connection to the inner conductor.
  • the contact elements to the housing at the two other ends of the lines are directed approximately radially outward and serve for connection to the housing.
  • two parallel ring lines are formed around the inner conductor, wherein the contact elements to the inner conductor, or to the housing are arranged so that the flow flows in each of the two lines in the opposite direction.
  • the loop-shaped arrangement of two parallel lines in a concentric lateral surface or in a parallel-tangential housing plane allows further design variants.
  • the loop-shaped guidance of the lines corresponds to a folding in the direction of the longitudinal axis of the inner conductor and thereby results in a shortened design even in this advantageous solution.
  • contact elements are approximately radially inwardly directed and provide the connection to the inner conductor. At the two other ends contact elements are directed approximately radially outwards and make the connection to the housing.
  • the contact elements are arranged so that flows in the two parallel line loops of the current ever in the opposite direction.
  • the two lines between the inner conductor and the housing are ⁇ / 4 short-circuit lines. Further advantages of the inventive solution result from the fact that the two short-circuit lines do not have the length of normal ⁇ / 4 arresters, but by the inventive arrangement and the configuration of the connection areas between the inner conductor and the two short-circuit lines at the outer ends, the geometric length of the short-circuit lines can be shortened. So-called electrically extended ⁇ / 4 short-circuit cables are formed. In an equivalent circuit diagram, each short-circuit line has a capacitance and an inductance, which operate in parallel. This embodiment results in a broadband range of action of the device, for example, for high-frequency signals in the range of 1.7 - 2.5 GHz.
  • Adjustments to other frequency ranges are possible in a wide range by changing the capacitances and inductances on the inner conductor and on the short-circuit lines in a manner known per se.
  • a series capacity in the inner conductor namely at the connection side to the device part, a high-pass filter is formed and it can any still existing already reduced residual energy can be further reduced.
  • the significant reduction of the residual pulse by the inventive solution makes it possible to dispense with fine protection circuits, as they are necessary in other known solutions.
  • the solution according to the invention makes it possible to install additional pulse-discharging elements between the ends of the two lines and the housing.
  • voltage-diverting or voltage-limiting elements such as gas discharge arresters, varistors or diodes can be used as additional impulse-discharging elements, these elements-in-working frequency range of the device being decoupled.
  • This arrangement thus enables the transmission of DC supply voltages.
  • a voltage limiting element e.g. a gas diverter and a voltage diverting element, e.g.
  • the device with the arrangement of two conductors with oppositely directed current flow also leads to the RF decoupling of the additional pulse-diverting elements, without the intermodulation behavior deteriorates becomes.
  • Fig. 1 shows a longitudinal section through an inventive Störschfilter- and Blitzstromableiter device 1 with double-sided connectors 7, 8 for coaxial cable.
  • the coaxial cable is not shown and serves, for example, as a connection between an antenna and a transceiver with corresponding devices.
  • the connectors 7, 8 are known per se, partially standardized components and have both on the input side 20, as on the output side 21 connecting elements, on the one hand the inner conductor of the cable via elements 23 to the inner conductor 3 of the device 1 and on the other hand, the outer conductor of Cable to connect via a mechanical connection 22 with the housing 2.
  • the housing 2 forms the outer conductor 4 of the device 1.
  • the connecting elements 23 are both arranged on the longitudinal axis 9 of the device 1 and the housing 2 and are supported by isolatorsorptionn 25 in the housing 2.
  • the inner regions 26 of the two connecting elements 23 are connected via connecting points 12, 13 with one end of the inner conductor 3. In the present example, it is a screw connection.
  • These connection points 12, 13 are simultaneously electrically conductively connected to a respective disk 27, 28.
  • These discs 27, 28 form contact elements and are made of an electrically conductive material, in particular metal, for example made of brass.
  • the housing 2 has a cylindrical core cavity 32.
  • the inner conductor 3 extends centrally through this core cavity 32.
  • Parallel to the inner conductor 3 and at a distance therefrom are two lines 5, 6, which form a pair. These lines 5, 6 are also arranged in the core cavity 32 and have both a distance from the inner conductor 3, as well as the housing 2.
  • At least a part of the intermediate space between the lines 5, 6 on the one hand and the inner conductor 3 and the housing 2 on the other hand is filled by an insulating body 29.
  • the two conductors 5, 6 overlap at least in a partial area and are electrically connected to one of the inner plates 10, 11, each with one of the discs 27, 28.
  • the respective other, outer end 14, 15 of each of the two lines 5, 6 is connected via a respective contact part 16, 17 and a connecting element 18, 19 electrically connected to the housing.
  • the lines 5, 6- are formed as ⁇ / 4 short-circuit conductor.
  • the inventive arrangement of the lines 5, 6 are the flow directions the currents in the parallel regions of the two lines 5, 6 directed against each other. If interfering pulses or interference signals, which are caused by lightning or another electromagnetic event, via the two oppositely directed lines 5, 6 derived to ground or the housing 2, as a result of the close coupling of the lines 5, 6 a residual stress by the induction effect largely canceled. This has the consequence that the residual pulses and residual energies that occur at the output of the device are largely eliminated.
  • the residual voltage pulse can be reduced for example by a factor of 8 and the residual energy by a factor of 60 in the solution according to the invention.
  • These reduction factors can be varied within a wide range by the design and the choice of material of the individual components of the inventive device.
  • About the two locally separate connection or contact points 18, 19 to the housing 2 twice as large surge currents can be derived to ground.
  • Subareas of the inner conductor 3 and the lines 5, 6 are surrounded in the core cavity 32 in the housing 2 of air spaces. These air spaces and the insulating body 29 form different dielectrics.
  • the inner conductor 3 has different geometric deviations over its length, as a result of which different reactance values or inductances and capacitances are formed. In a manner known per se, by adjusting the geometrical dimensions of the lines 5, 6 and the associated parts of the discs 27, 28, the frequency range and the bandwidth to the desired application range of the device can be determined.
  • the two connectors 7 and 8 at both ends of the device 1 are also used via the screw 36 to mount the inner conductor 3 and the other components in the core cavity 32 of the housing 2 and to clamp.
  • the housing 2 is provided with a flange 30 and a screw connection 31 in order, for example, to insert and fix it by means of a bushing in an electrically conductive device wall. The derivation of the pulses then takes place via this electrically conductive device wall against the equipotential bonding.
  • FIG. 2 shows a cross section through the device 1 along the line A-A in FIG. 1.
  • the two lines 5, 6, which form a pair are arranged at a distance from one another and on a cylindrical surface concentric with the inner conductor.
  • This angular distance 37 may be in a range between 180 ° and a minimum necessary distance, which ensures the isolation between the two lines 5, 6.
  • a distance 37 of 60 ° was chosen.
  • the two lines 5, 6, as well as the inner conductor 3 are embedded in this section region in the insulating body 29, which fills the core cavity 32 of the housing 2. It can also be seen from this illustration that the longitudinal section shown in FIG. 1 runs along the axes B-B.
  • the inventive Störschutzfilter- and Blitzstromableiter device as shown and described in the embodiment according to FIGS. 1 and 2, has compact and minimal construction dimensions. It allows a high packing density of the lines 5, 6 and there are no protruding components necessary.
  • the housing 2 and thus the whole device 1 can be cylindrical and it must be observed no positional orientation. Adjacent cable guides can be arranged close to each other, without interfering with each other elements of the individual devices 1 or that damage occurs. This design can be protected in a simple manner with a shrink tube against environmental influences.
  • the device according to the invention has residual pulses and residual energies which can be practically neglected.
  • Störschutzfilter- and Blitzstromableiter device 1 shown as an example subjected to a standardized surge current (according to IEC 61000-4-5) with a waveform 8/20 ⁇ s, so remains for example a voltage residual pulse of about 8 V and a residual energy of about 6 ⁇ J at 25 kA leakage current.
  • a conventional device with a ⁇ / 4 short-circuiting conductor projecting at right angles for the same frequency is subjected to the same test, this conventional device has a residual voltage pulse of 70 V and a residual energy of approximately 430 ⁇ J with a leakage current of 25 kA.
  • the device 1 according to the invention and shown as an example can be designed with broadband for a frequency range from 0.8 to 2.5 GHz.
  • This broadband design can be used over the entire operating range of approx. 400 MHz up to the upper limit frequency of the connector.
  • the outer diameter of the housing 2 may for example be about 30 mm and the total length between the two connectors 7 and 8 may be in the range of 50-60 mm.
  • FIG. 3 shows a longitudinal section through a further embodiment of a Störschutzfilter- invention and Blitzstromableiter device 1.
  • This device 1 also has at both ends connector 7, 8 for coaxial cable. These connectors 7, 8 are connected via screw 36 with the housing 2 'and this detachable connection 36 allows the assembly of the built-in housing 2' elements.
  • the housing 2 ' is cylindrical and has a cylindrical core cavity 33. In this core cavity 33, the inner conductor 3 is guided centrally and held by insulating body 39. The two Ends of the inner conductor 3 are electrically connected via connection points 12 'and 13' with the inner part 26 of the connecting elements 23 ⁇ .
  • FIG. 4 shows a cross section along the line C - C in FIG. 3.
  • the longitudinal section according to FIG. 3 shows a section along the axes, D - D in FIG. 4.
  • two lines 5 ', respectively 6 ' in the form of an electrically elongated ⁇ / 4 line.
  • the two lines 5 ', and 6' have in a radial plane to the inner conductor 3 at an angular distance 37 of 180 °.
  • This angular distance 37 is variable also in this embodiment and is chosen so that an optimal coupling between the two lines 5 'and 6' is effected.
  • the two lines 5 ', and 6' parallel to each other and overlap at least in a partial area.
  • the inner ends 10 'and 11' of the two lines 5 'and 6' are held in bores on the inner conductor 3 and electrically connected thereto.
  • the two inner ends 10 'and 11 of the two lines 5' and 6 ' are arranged in the direction of the longitudinal axis 9 of the device 1 with the greatest possible distance from each other.
  • the outer end 14 'of the line 5' is held in a contact part 16 'in the housing 2' and electrically connected thereto.
  • the outer end 15 'of the line 6' is electrically connected to the housing 2 via a corresponding contact part 17 '.
  • FIG. 3 has the same advantages as have already been described for the embodiment according to FIG. 1.
  • this arrangement enables better high-frequency decoupling the electric fields between the inner conductor 3 and the lines 5 'and 6', by the latter being guided in a separate housing part.
  • This also has a positive effect on the achievement of a larger bandwidth.
  • slots 33 40 are incorporated in the direction of the core cavity, which extend from the respective outer end of the cavity 33 and 34 to a passage 41 for the lines 5 'and 6'. These slots 40 allow the introduction and the assembly of the lines 5 'and 6' in the housing 2 '.
  • the housing 2 ' has in this embodiment, a flange 30 and a screw 31, which serve for connection to an electrically conductive housing wall.
  • the lines 5 'and 6' are guided between their inner ends 10 'and 11' and the outer ends 14 'and 15' at a distance from the housing 2 'and the surrounding air spaces act as a dielectric 38th
  • FIG. 1 An exemplary embodiment with two lines 60, 61, which each lie in a radial plane, is shown schematically in FIG.
  • the housing 2 and the connectors 7, 8 at both housing ends are not shown. However, they are similar or similar to those in Fig. 1 in a manner obvious to the person skilled in the art.
  • the inner conductor 3 is passed through the center of two insulating discs 62, 63. These insulating discs 62, 63 position the inner conductor 3 in the housing 2 and each form a dielectric. In the region of the inner conductor 3 between these two insulating disks 62 and 63 and thus in the corresponding core cavity of the housing 2, two lines 60, 61 are arranged.
  • Each of the two lines 60, 61 is guided at a distance and concentrically around the inner conductor 3 and thus have an annular shape.
  • Each of the two lines 60, 61 lies in a radial plane, which is approximately at right angles to the inner conductor 3.
  • the position of these two radial planes is indicated in FIG. 5 by the two radial axes 64, 65.
  • the two radial planes or radial axes 64, 65 have a distance 66 in the direction of the longitudinal axis 9 of the inner conductor 3, wherein a dielectric, in this case air, is located in this intermediate space.
  • a dielectric in this case air
  • each of the two lines 60, 61 are angled approximately radially outward and form parts of contact elements 69, 70 to the housing 2.
  • 61 threaded holes are attached to these contact elements 69, 70 of the two lines 60, in which, as shown in Fig. 1, engage screws which are supported on the housing 2 and connected to this electrically conductive.
  • the annular course of the two lines 60, 61 to the inner conductor 3 and the arrangement of the inwardly directed contact elements 67, 68 is chosen so that the leakage currents, which flow from the inner conductor 3 to the housing 2, in the two. Ring lines 60, 61 flow in the opposite direction.
  • the two lines 60, 61 are formed in a conventional manner as ⁇ / 4 lines.
  • This embodiment according to FIG. 5 enables a very compact design of the Störschutzfilter- and Blitzstromableiter device 1 according to the invention, since it can be built very compact both in the direction of the longitudinal axis 9 of the inner conductor 3 as well as in the radial direction.
  • it also has the advantage that the length and the cross section of the two lines 60, 61 can be adapted in a simple manner to different requirements, wherein the cross section can be formed differently over the length.
  • the lines 60, 61 and the contact elements 67, 68, and 69, 70 at the two ends form different line sections, via which the RF transmission characteristics, in particular the bandwidth and the frequency range can be determined. Via the different line sections 56, 57 and the dielectric between inner conductor 3 and housing 2, the characteristic can be determined in a manner known per se via the bandwidth of the high-frequency transmission.
  • a further solution is shown schematically, wherein also here the housing 2 and the connectors 7, 8 are omitted at both ends of the housing 2.
  • the housing 2 is similar or similar, as shown in Fig. 1, formed.
  • the inner conductor 3 is also guided by two insulating discs 62, 63 and positioned in the housing 2.
  • two lines 60 'and 61' are loop-shaped and arranged parallel to each other.
  • the two lines 60 'and 61' at a distance from each other and are separated by a dielectric.
  • the two parallel cable loops lie in a common area.
  • This surface is either a distance to the inner conductor 3 extending lateral surface or a parallel and spaced from the inner conductor 3 extending tangential surface or a surface with an arbitrary curvature around the inner conductor 3.
  • contact elements 67, 68 are arranged, which form the electrical connection to the inner conductor 3.
  • contact elements 69 and 70 are arranged, which ensure the electrical connection to the housing 2.
  • threaded bores 71 are arranged in these contact elements 60, 70, in which engage with the housing 2 cooperating screws.
  • the device in the direction of the longitudinal axis 9 of the inner conductor 3 can also be formed shortened.
  • the different geometric configurations of the lines 60 'and 61' as well as of the contact elements 67, 68, or 69, 70, as well as of the inner conductor 3 and of the dielectric between the inner conductor 3 and the housing, can also be achieved in this embodiment 2 affect the characteristics and characteristics of RF transmission.
  • the two lines 60 'and 61' via the contact elements 67, 68 connected to the inner conductor 3, that any currents in the two lines 60 'and 61' flow in opposite directions. This ensures the advantages and improved features of the device described with reference to FIGS. 1 and 3, respectively.
  • FIG. 7 shows an equivalent circuit diagram of a high-frequency-technical device according to the invention according to FIG. 1 or FIG. 3.
  • the outer conductor 4 extends through the housing 2 in this area educated.
  • the input or output side is 20 or 21 according to the direction of the pulse defined, ie the input side 20 is directed for example against the antenna and the output side 21 against the device to be protected.
  • the main path formed by the inner conductor 3 comprises a capacitance 43, an inductance 44 and a capacitance 45, an inductance 46 and a further capacitance 47. These have different reactance values.
  • the lines 5, 6, and 60, 61 are ⁇ / 4 short-circuit conductor and are shown in the equivalent circuit diagram each by an inductance 48 and a parallel connected capacitance 49.
  • the outer conductor 4, or the housing 2 is grounded.
  • Fig. 8 is the same equivalent circuit diagram, as shown in Fig. 7, but in addition to the output 21 of the main line or the inner conductor 3, a capacitor 50 is formed.
  • This capacitance 50 forms a high-pass filter in a manner known per se and serves to further reduce the residual energies, for example by a factor of 20.
  • FIG. 9 shows an equivalent circuit diagram for a device 1 according to the invention, in which additional voltage-diverting and voltage-limiting elements are incorporated.
  • a pulse-discharging element 51 in the form of a varistor and a capacitor 52 is parallel to it.
  • a pulse-discharging element 53 in the form of a gas discharge tube and, in parallel, a capacitance 54 is present.
  • the pulse-diverting element 51 on the line 5 or 60, which is formed by a varistor in FIG. 9, can also be replaced by another voltage-diverting element, for example a diode, in particular a transzorb diode.
  • a varistor (or transzorb diode) 51 selected slightly above the statistical response voltage of the gas arrester 53 has a faster dynamic response than a gas arrester 53. On the one hand, this leads to a smaller dynamic response voltage and also prevents it the more frequently occurring low-energy surges such. This reduces the failure probability of the system by a possible non-erasure of the arrester 53.

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  • Emergency Protection Circuit Devices (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Aerials With Secondary Devices (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Claims (18)

  1. Dispositif formant filtre antiparasite et parafoudre (1) dans une ligne coaxiale pour transmettre des signaux haute fréquence, comportant un boîtier (2) avec deux connecteurs (7, 8), le boîtier (2) formant un conducteur extérieur (4) relié à la masse, et un conducteur intérieur (3) traversant le boîtier (2) ainsi qu'une connexion (5, 6) entre le conducteur intérieur (3) et le boîtier (2), cette connexion (5, 6) étant constituée par une ligne qui est agencée approximativement parallèlement au conducteur intérieur (3) et qui est connectée par une extrémité au conducteur intérieur (3) et par l'autre extrémité au boîtier (2), caractérisé en ce que la connexion est constituée par au moins une paire de deux lignes (5, 6 ; 60, 61), ces deux lignes (5, 6 ; 60, 61) étant agencées au moins en partie parallèlement et en chevauchement l'une par rapport à l'autre, les deux lignes (5, 6 ; 60, 61) étant isolées l'une de l'autre, les deux lignes (5, 6 ; 60, 61) présentant chacune à l'une de leurs deux extrémités (10, 11) un élément de contact (27, 28 ; 67, 68) vers le conducteur intérieur (3) et à l'autre extrémité (14, 15) un élément de contact (18, 19 ; 69, 70) vers le boîtier (2), et ces éléments de contact (18, 19, 27, 28 ou 67, 68, 69, 70) des deux lignes (5, 6 ; 60, 61) étant agencés de telle sorte que les directions de circulation des courants dans les zones parallèles des deux lignes (5, 6 ; 60, 61) sont orientées en sens opposés.
  2. Dispositif formant filtre antiparasite et parafoudre selon la revendication 1, caractérisé en ce que les lignes (5, 6) sont agencées approximativement parallèlement au conducteur intérieur (3) et sur une surface cylindrique concentrique au conducteur intérieur (3), les deux éléments de contact (27, 28) des deux lignes (5, 6) qui sont connectés au conducteur intérieur (3) sont agencés à distance l'un de l'autre en direction de l'axe longitudinal (9) du conducteur intérieur (3), et les deux lignes (5, 6) sont orientées en sens opposés à partir de ces éléments de contact (27, 28).
  3. Dispositif formant filtre antiparasite et parafoudre selon la revendication 1 ou 2, caractérisé en ce que le boîtier (2) présente une cavité centrale (32) de forme cylindrique et le conducteur intérieur (3) et les lignes (5, 6) sont agencés à distance les uns des autres dans cette cavité centrale (32).
  4. Dispositif formant filtre antiparasite et parafoudre selon la revendication 1 ou 2, caractérisé en ce que le boîtier (2') présente une cavité centrale (33) de forme cylindrique, le conducteur intérieur (3) est guidé dans cette cavité centrale (33), une cavité supplémentaire (34) s'étendant approximativement parallèlement à la cavité centrale (33) est ménagée dans le boîtier (2'), et chacune des lignes (5', 6') est guidée individuellement dans cette cavité supplémentaire (34).
  5. Dispositif formant filtre antiparasite et parafoudre selon la revendication 1, caractérisé en ce que les deux lignes (60, 61) se trouvent chacune dans un plan radial et s'étendent concentriquement au conducteur intérieur (3), ces deux plans radiaux étant agencés approximativement à angle droit par rapport au conducteur intérieur (3) et à distance (66) l'un de l'autre, et les éléments de contact (67, 68) vers le conducteur intérieur (3) à une extrémité respective des deux lignes (60, 61) sont orientés approximativement radialement vers l'intérieur et les éléments de contact (69, 70) vers le boîtier (2) aux autres extrémités des deux lignes (60, 61) sont orientés approximativement radialement vers l'extérieur.
  6. Dispositif formant filtre antiparasite et parafoudre selon la revendication 1, caractérisé en ce que les deux lignes (60', 61') sont en forme de boucle et se trouvent approximativement parallèlement l'une à l'autre dans une surface commune, cette surface s'étendant à distance du conducteur intérieur (3) et étant agencée concentriquement ou parallèlement-tangentiellement au conducteur intérieur, les éléments de contact (67, 68) à une extrémité respective des deux lignes (60', 61') sont orientés approximativement radialement vers le conducteur intérieur (3) en étant connectés à celui-ci, et les éléments de contact (69, 70) aux autres extrémités des deux lignes (60', 61') sont connectés au boîtier (2).
  7. Dispositif formant filtre antiparasite et parafoudre selon l'une des revendications 1 à 6, caractérisé en ce que les deux lignes (5, 6 ; 60, 61) entre le conducteur intérieur (3) et le boîtier (2) sont des lignes de court-circuit λ/4.
  8. Dispositif formant filtre antiparasite et parafoudre selon l'une des revendications 1 à 7, caractérisé en ce que les deux lignes (5, 6 ; 60, 61) sont des lignes de court-circuit λ/4 électriquement prolongées.
  9. Dispositif formant filtre antiparasite et parafoudre selon l'une des revendications 1 à 8, caractérisé en ce que chaque ligne (5, 6 ; 60, 61) comprend une capacité (49) et une inductance (48) qui forment un circuit oscillant parallèle.
  10. Dispositif formant filtre antiparasite et parafoudre selon l'une des revendications 1 à 9, caractérisé en ce que dans la zone des deux éléments de contact (27, 28 ; 67, 68), entre le conducteur intérieur (3) et les deux lignes (5, 6 ; 60, 61), une capacité respective (43, 47) est réalisée sur le conducteur intérieur (3), et le conducteur intérieur (3) comprend une autre capacité (45) et au moins une inductance (44, 46) entre les deux connexions (7, 8).
  11. Dispositif formant filtre antiparasite et parafoudre selon l'une des revendications 1 à 10, caractérisé en ce que sur le côté sortie (21) du dispositif, une capacité (50) est agencée sur le conducteur intérieur (3).
  12. Dispositif formant filtre antiparasite et parafoudre selon l'une des revendications 1 à 10, caractérisé en ce qu'il est prévu une capacité respective (52, 54) interposée entre les extrémités (14, 15) des deux lignes (5, 6 ; 60, 61), munies des éléments de contact (16, 17 ; 69, 70) vers le boîtier (2), et le boîtier (2), et parallèlement à ladite capacité est branché un élément supplémentaire respectif (51, 53) de suppression d'impulsion.
  13. Dispositif formant filtre antiparasite et parafoudre selon l'une des revendications 1 à 12, caractérisé en ce que les lignes (5, 6 ; 60, 61) et les éléments de contact (16, 17 / 27, 28 ; 67, 68 / 69, 70) forment différents tronçons de ligne et déterminent la largeur de bande et la plage de fréquence de la transmission HF.
  14. Dispositif formant filtre antiparasite et parafoudre selon l'une des revendications 1 à 13, caractérisé en ce que le conducteur intérieur (3) comprend différents tronçons de ligne (56, 57) et ceux-ci et le diélectrique (24, 38) autour de ce conducteur intérieur (3) déterminent la caractéristique sur la largeur de bande de la transmission HF.
  15. Dispositif formant filtre antiparasite et parafoudre selon l'une des revendications 1 à 13, caractérisé en ce que deux lignes respectives (5, 6 ; 60, 61) sont réunies en une paire, et plusieurs paires de lignes (5, 6 ; 60, 61) sont montées entre le conducteur intérieur (3) et le boîtier (2).
  16. Dispositif formant filtre antiparasite et parafoudre selon la revendication 12, caractérisé en ce que l'élément (51, 53) de suppression d'impulsion est un éclateur à gaz ou une varistance ou une diode, et en ce qu'une alimentation en courant continu (55) est agencée au-dessus de cet élément (51, 53) de suppression d'impulsion et la capacité (52, 54).
  17. Dispositif formant filtre antiparasite et parafoudre selon l'une des revendications 1 à 6, caractérisé en ce que le conducteur intérieur (3), les deux lignes (5, 6 ; 60, 61) ainsi que le boîtier (2, 2') sont séparés les uns des autres par des diélectriques (24 ; 25 ; 62 ; 63).
  18. Dispositif formant filtre antiparasite et parafoudre selon l'une des revendications 1 à 6, caractérisé en ce qu'à l'exception des éléments de contact (18, 19 ; 27, 28 ; 69, 70 ; 67, 68) aux extrémités des deux lignes (5, 6 ; 60, 61), tous les composants actifs sont agencés concentriquement à l'axe longitudinal (9) du conducteur intérieur (3) ou du dispositif (1) ou parallèlement à cet axe longitudinal (9).
EP03722168A 2002-06-26 2003-05-22 Dispositif parafoudre et filtre antiparasite Expired - Lifetime EP1516390B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH110002 2002-06-26
CH11002002 2002-06-26
PCT/CH2003/000329 WO2004004064A1 (fr) 2002-06-26 2003-05-22 Dispositif parafoudre et filtre antiparasite

Publications (2)

Publication Number Publication Date
EP1516390A1 EP1516390A1 (fr) 2005-03-23
EP1516390B1 true EP1516390B1 (fr) 2007-08-01

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EP03722168A Expired - Lifetime EP1516390B1 (fr) 2002-06-26 2003-05-22 Dispositif parafoudre et filtre antiparasite

Country Status (7)

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US (1) US7092230B2 (fr)
EP (1) EP1516390B1 (fr)
AT (1) ATE368947T1 (fr)
AU (1) AU2003229468A1 (fr)
DE (1) DE50307821D1 (fr)
ES (1) ES2239552T3 (fr)
WO (1) WO2004004064A1 (fr)

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DE102005007589B3 (de) 2005-02-18 2006-06-14 Kathrein-Werke Kg Koaxialsteckverbinder
US7324318B2 (en) * 2005-10-07 2008-01-29 Andrew Corporation Multiple planar inductor coaxial surge suppressor
US7483251B2 (en) * 2006-01-13 2009-01-27 Andrew Llc Multiple planar inductive loop surge suppressor
ATE478448T1 (de) * 2006-07-27 2010-09-15 Huber+Suhner Ag Überspannungsschutz für eine koaxialleitung
DE102007030157A1 (de) 2007-06-27 2009-01-08 Phoenix Contact Gmbh & Co. Kg Abstimmbare λ/4 Filterbaugruppe
WO2009012794A1 (fr) * 2007-07-24 2009-01-29 Huber+Suhner Ag Protection contre la foudre et la surtension
WO2009052517A2 (fr) 2007-10-18 2009-04-23 Polyphaser Corporation Dispositif de suppression de surtension doté d'un ou de plusieurs anneaux
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Also Published As

Publication number Publication date
AU2003229468A1 (en) 2004-01-19
EP1516390A1 (fr) 2005-03-23
WO2004004064A1 (fr) 2004-01-08
ATE368947T1 (de) 2007-08-15
US20050243493A1 (en) 2005-11-03
US7092230B2 (en) 2006-08-15
ES2239552T3 (es) 2008-02-16
DE50307821D1 (de) 2007-09-13
ES2239552T1 (es) 2005-10-01

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