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EP3175510B1 - Boîtier à blindage capacitif, en particulier boîtier de composant à blindage capacitif pour dispositif de type antenne - Google Patents

Boîtier à blindage capacitif, en particulier boîtier de composant à blindage capacitif pour dispositif de type antenne Download PDF

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Publication number
EP3175510B1
EP3175510B1 EP15738841.4A EP15738841A EP3175510B1 EP 3175510 B1 EP3175510 B1 EP 3175510B1 EP 15738841 A EP15738841 A EP 15738841A EP 3175510 B1 EP3175510 B1 EP 3175510B1
Authority
EP
European Patent Office
Prior art keywords
housing
shielding
shielding plate
contact
anchoring
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
EP15738841.4A
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German (de)
English (en)
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EP3175510A1 (fr
Inventor
Mathias Markof
Anian GASTEIGER
Klaus ROTHBÄCHER
Andreas JÜRGENS
Christoph Staita
Philipp Ponn
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Kathrein SE
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Publication of EP3175510A1 publication Critical patent/EP3175510A1/fr
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Publication of EP3175510B1 publication Critical patent/EP3175510B1/fr
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/108—Combination of a dipole with a plane reflecting surface
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H01Q21/26—Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre

Definitions

  • the invention relates to a capacitively shielded housing, in particular a capacitively shielded component housing for an antenna device, such as a mobile radio antenna, for example.
  • reflectors for mobile radio base station antennas are used in mobile radio technology, for example, which are designed in a housing-like manner on their rear side opposite the radiator side.
  • the wiring, phase shifters, adjustment devices for the phase shifters, filter assemblies, etc. can be accommodated in this room.
  • the reflector can be provided with side wall webs which merge into fastening flanges which end parallel to the reflector plane and to which, for example, a reflector cover can be screwed on.
  • active modules such as a radio or remote radio head (RRH) etc. are often also accommodated on the back of the reflector.
  • RRH remote radio head
  • Such radios can also act as a housing cover by screwing them onto the reflector.
  • a plurality of spaced press-in nuts can be correspondingly pressed on drill holes in the reflector mounting flange on the fastening flanges mentioned, in order to create a pre-fixation for further assembly here.
  • a cover can then be placed on the mounting flange, in which holes are also made. These holes are aligned with the holes in the press nuts mentioned. Internal threads are formed in the press-in nuts themselves, so that appropriate screws for fixing the cover can be screwed in from the opposite side.
  • tolerance deviations mentioned above can occur both in the vertical and also in the horizontal direction in relation to the components which are to be fixed to one another over a large area. These tolerance deviations are usually not acceptable or can be bridged.
  • the rear reflector room with the modules and components housed therein must be shielded by putting on an electrically conductive cover.
  • shielding the radio from the other essential antenna components is essential.
  • high-frequency interference radiation should above all be shielded in such a way that no electromagnetic radiation can escape outside or, conversely, no electromagnetic radiation can enter the shielded room from the outside.
  • a shield against High-frequency radiation is generally of great importance in all communications technology, including cellular communications.
  • undesired intermodulation products can also arise.
  • An antenna arrangement which comprises an antenna signal processing unit with a first groove arrangement and an antenna section with a second groove arrangement, which can be plugged into one another using a sealing body.
  • capacitive couplings can be provided between different modules, for example between a main and a sub-module.
  • a generic, capacitively shielded housing is made of DE 20 2009 001 821 U1 known.
  • the known antenna housing comprises a typical radome cover, below which a reflector is arranged on which the individual radiator elements sit.
  • a so-called component room is provided on the back of the electrically conductive sector, in which various additional components for operating an antenna can be accommodated.
  • This component room can be closed by means of a rear wall of the housing.
  • the rear wall of the housing has external contact flanges running parallel to the reflector and a wall section slightly projecting perpendicularly above the plane of the contact flanges, which can then engage in a corresponding rear groove on the rear of the reflector. In this way, parallel or perpendicular galvanic contact surfaces between the reflector and the electrically conductive rear cover are created.
  • corresponding antenna components such as cables, phase shifters
  • a housing or reflector housing on the rear side of the antenna device or mobile radio antenna device.
  • Adjusting devices and filter assemblies etc. are housed and this housing space is shielded from a radio or remote radio head to be attached or generally from other HF electronics by attaching a shield plate, so that it can now be dispensed with within the scope of the invention that this shield plate with an otherwise usual variety must be firmly attached to the corresponding reflector housing by screws.
  • the basic principle is that the housing space to be shielded has housing contact areas or housing flanges against which corresponding contact areas or flanges of the shielding plate rest.
  • the housings or housing parts which are individually conductive or coated with an electrically conductive surface, on the one hand and the shielding plate, on the other hand, are not galvanically contacted with one another in their contact area, but are galvanically separated from one another with the interposition of an insulating layer or insulating film, so that here in the area of the corresponding support and / or contact sections there is a capacitive coupling between the housing, ie in particular the reflector component housing and Shielding sheet or shielding cover is generated.
  • capacitive shielding has great advantages over galvanic contacting of the corresponding components, for example due to the use of screws as explained. Undefined contacting conditions are avoided by the invention and, above all, the risk of intermodulation is counteracted.
  • the corresponding contact surfaces are not formed perpendicular to the direction of assembly and thus generally not perpendicular to the orientation of the opening plane of the housing or reflector housing, but run parallel to it.
  • the corresponding capacitively coupled contact and / or contact areas or flange areas between the reflector housing on the one hand and a shielding cover and / or a shielding plate on the other are aligned parallel to the mounting direction and thus parallel to the central axis and / or mounting direction.
  • the corresponding capacitively coupled contact or contact sections between the reflector housing and shielding plate are not necessarily aligned parallel to the mounting direction and thus necessarily parallel to a central axis running through the reflector housing, but rather, for example, obliquely to the mounting direction or Central axis to run and are trained and / or adjusted accordingly.
  • the angle ⁇ can preferably assume values that deviate as clearly as possible from 90 ° in order to allow at least an oblique course of the contact surfaces on the mounting direction or central axis.
  • corresponding electrically non-conductive (dielectric) holding elements are provided at the corresponding assembly points, preferably on at least one of the two capacitive system sections to be brought into contact. According to the invention, this can be done at a distance from the mounting plate to be assembled
  • Corresponding holding nipples are clamped in corresponding bores, for example of the reflector housing (preferably without tools), to which the contact surfaces to be shielded, for example of the shielding plate, can then be inserted in order to be held in a predefined non-positively actuated, as possible parallel contact position with the corresponding contact section of the reflector housing with the formation of the capacitive coupling to become.
  • a further force application and / or alignment device is preferably also formed on the shielding plate, which enables the contact surfaces provided on the shielding plate for the capacitive coupling not to be at an angle to the corresponding contact surface, for example of a housing and in particular a reflector housing, but in that Act as possible in parallel, ie exactly parallel alignment.
  • This can be ensured by a corresponding pre-shaped deformation on the shielding plate.
  • This can be realized, for example, in that the actual shielding sheet section merges with an embossed, for example, S-shaped cross section into the adjoining, preferably plane-parallel contact section (which lies parallel to the contact surface of the component and / or reflector housing to produce a capacitive coupling comes).
  • This S-shaped embossing or measures having the same effect allow the contact surface of the shielding plate to adapt to the corresponding orientation and position of the contact surface of the component and / or reflector housing.
  • the S-shaped deformation can even cause a certain amount Force application in the direction of the contact surface of the component and / or reflector housing are generated when the total width of the shielding plate with the contact surfaces is at least slightly wider than the opening width of the component and / or reflector housing.
  • this construction enables the contact surfaces of the shielding cover or of the shielding plate to be self-aligned accordingly in relation to the contact surfaces of the component and / or reflector housing.
  • a corresponding shielding plate can, for example, also be divided into two, the two shielding plate sections or halves at least partially overlapping to form a capacitive coupling. This makes it possible, for example, to adapt the width of the shielding sheet to the housing opening to be shielded, thereby ensuring that the contact sections can assume exactly the position in which they produce the capacitive coupling by forming a uniform distance with the interposition of a dielectric layer.
  • FIG. 1 a schematic representation of an embodiment of an antenna or a mobile radio antenna 1 is shown, such as can be attached to a mast 3 or at another suitable location, for example.
  • Such an antenna or mobile radio antenna usually comprises a housing or a cover 5 with a radome 105 and an upper and lower cover cap 5a.
  • the connections provided for the operation of the antenna including the coaxial connections and the control connections, can be formed without being restricted to this.
  • Such an antenna or cellular antenna 1 is usually installed in the vertical direction or predominantly in the vertical direction.
  • Such cellular antennas can also be designed as so-called active antennas.
  • the active mobile radio antennas have active high-frequency electronics, which are preferably integrated on the back either in the antenna housing or placed on the antenna housing in the form of a radio or remote radio head.
  • the antenna housing then forms a common overall housing together with the radio or remote radio head.
  • Figure 2a is a spatial representation of an overall reflector 15 and in Figure 2b as in Figure 2c is a horizontal sectional view through the in Figure 1 reproduced cellular antenna 1 shown.
  • the electrical HF components usually also provided on the rear side of the total reflector 15 have not yet been shown.
  • the exemplary embodiment explained is an antenna, i. Mobile radio antenna with two antenna columns 8, which run parallel to each other, that is usually aligned in the vertical direction or predominantly in the vertical direction.
  • Each antenna column 8 comprises a reflector 10 with a reflector front 11a and a reflector rear 11b, in front of which several radiators or radiator groups 13 are generally arranged spaced apart from one another in a known manner.
  • These can be linearly polarized or dual-polarized radiators, etc., which radiate, for example, in two mutually perpendicular polarization planes, which are preferably oriented at a + 45 ° angle to the vertical or the horizontal.
  • corresponding dipole radiators or, for example, so-called vector radiators or, for example, patch radiators, etc. which are part of a mono-band, dual-band or multi-band antenna arrangement, can be used.
  • the two reflectors 10, each belonging to an antenna column 8 do not form individual reflectors with the formation of an antenna gap between them, but rather are part of a common one-piece overall reflector arrangement 15, which in the exemplary embodiment shown is formed materially, which are also briefly described below as components and / or reflector housing 16 is referred to.
  • the reflector 10 provided for an antenna column 8 ie
  • the column or partial reflector 10 'provided for an antenna column 8 is provided with a side web 10a on its two sides each running in the longitudinal direction L, that is to say usually in the vertical direction V, which is perpendicular or in, for example, on the reflector front 11a a different angle is aligned obliquely to the reflector plane RE.
  • the side webs 10a which are provided laterally with respect to an antenna column 8, are oriented slightly diverging with respect to the radiators or radiator groups 13 provided therebetween in the beam direction R.
  • both column or partial reflectors 10 'of the two antenna columns 8 form a common, fixed, one-piece reflector structure.
  • the two side webs 10a which are in each case the outer and most distant, also merge on the radiation side of the reflector arrangement into an outwardly diverging connecting web 18, which then merges via a further bend 20 into a first shielding wall 19 which runs more or less opposite to the radiation direction R of the antenna arrangement.
  • the aforementioned shielding walls 19 run slightly diverging in the rearward direction H, but this is in principle not necessary.
  • An anchoring section 21 adjoins the shielding walls 19. That the two outer shielding walls 19 extending in the rearward direction H merge into an anchoring section 21, specifically via a U-shaped mounting section 22 lying in the manner of a lying and with its opening area facing outwards, which ultimately consists of two in the exemplary embodiment shown more or less there are parallel side webs 22a, which are preferably spaced apart from one another in the radiation or front direction R and are connected to one another via a floor web 22b running transversely or perpendicularly to the reflector plane RE, the floor webs 22b mentioned above being the contact or anchoring contacts discussed in detail below Form housing sections 122 on which a shield cover is to be positioned.
  • the side web 22'a which is remote from the antenna columns 8, comes to rest in an assembly plane ME, in or near which the electrical HF components, which will be explained later, are then mounted.
  • a second shielding wall 27 which is quasi preferably an extension of the first shielding wall 19 and is separated from it only by the mentioned anchoring sections 21 formed in the manner of a lying U (the anchoring section 21 ultimately also serves and can be understood as a shielding wall, either as an intermediate shielding wall or as a shielding wall which can be added to the first or second shielding wall).
  • This second shield wall 27 is likewise a one-part component of the overall reflector arrangement 15, ie of the overall reflector 16.
  • a receiving space 29 is created for a large number of components to be shielded, including the wiring, the rear opening region 30 of which is covered by a shielding cover 31, in particular a shielding wall 31 or a shielding plate 31 HF. must be tightly sealed and shielded.
  • Figure 2b comparable simplified representation is in Figure 2c reproduced again, but not in cross-section at the level of the connector strip 133, which is still to be discussed below and is provided on the rear side of the antenna housing, but instead is offset by reproducing a section through the shielding plate 31, which is also still to be discussed below.
  • the illustration is in Figure 2c rotated by 180 ° to display in Figure 2b played.
  • Figure 3 is now a rear view of the in the Figures 1 to 2b shown antenna or cellular antenna 1 reproduced, with the shielding cover 31 or the shielding plate 31 in place.
  • a continuous shielding plate 31 is provided over the entire length of the antenna 1, but two shielding plate arrangements 31a, 31b which are shown in FIG Longitudinal direction L of the antenna are offset from one another.
  • connector strip 133 which is visible in cross section and is equipped with a large number of interfaces 135, in particular coaxial interfaces 135, for example in the form of connectors 135 '.
  • Appropriate connection cables, coaxial cables etc. can be connected here, which lead to the electrical components inside the antenna and thus ultimately to the radiators.
  • the active high-frequency electronics also called radio, radio unit or remote radio head
  • each of the two according to the rear view Figure 3 visible shielding cover or sheet metal arrangements 31a, 31b in the exemplary embodiment shown is not in one piece, but preferably in two parts, as is also shown in the cross-sectional view according to FIG Figure 4 can be seen.
  • each of the two shielding wall sections 31'a and 31 "a or 31'b and 31" b each have an overlapping shielding wall contact area 35 which are plane-parallel to one another, with the intermediary of one that separates the two shielding wall sections Insulating layer 36, for example in the form of a film or plastic film. This also ensures capacitive contacting between the two shielding wall sections ( Figure 5 ).
  • the shielding wall sections 31'a and 31 "a or 31'b and 31" b are formed in their overlapping area 35 in a section 131 which is recessed in the direction of the plane of the reflectors 10, in which area connecting or holding clips in each case 37 or comparable holding devices 37 can be used, which are inserted with their holding section with two expanding holding feet 37a through corresponding bores 39a, 39b in the respective section of the shielding wall sections and are held partially engaging therein at the edge of the bores.
  • the bores 39a, 39b come to lie at least partially in an overlapping position. They can also be designed as elongated holes, which preferably run in the transverse direction Q.
  • a bracket or button area 40 or the like covering the two at least partially overlapping bores 39a, 39b or the like is provided, which, with its comparatively narrow anchor section 41, has the corresponding bores 39, which are basically congruently superimposed one above the other protrudes through both contact plate sections and the two Keeps parts too biased towards each other.
  • the two shielding wall sections 31'a and 31'b or 31 "a and 31" b can be relative by a corresponding amount in accordance with the transverse direction Q mentioned can be shifted towards each other, i.e. the shielding plate can be set wider or narrower by a certain amount.
  • shielding plate - as shown in the cross-sectional view Figure 4 and 6 can be seen - on the respective longitudinal edge 43 corresponding shielding contact sections 45, which, apart from a leading in the insertion direction, i.e. leading to the free end of the shielding contact sections 45 leading leg 46 parallel to the adjacent contact or anchoring section 122, 22b on the housing wall, in Concrete runs on the component and / or reflector housing 16, and is thus formed parallel to the mentioned contact or anchoring housing section 122, 22b.
  • these contact or anchoring cover sections 45 are also referred to below as contact or anchoring cover sections 45.
  • At least one of the corresponding contact or contact surfaces is covered or covered with an insulating layer or film 47 or such an insulating film 47 is at least interposed, so that here a capacitive coupling and a galvanic coupling between the shielding plate on the one hand and the reflector or the reflector housing on the other Contact is avoided.
  • holding elements 51 (made of non-conductive material such as plastic in particular), which are spaced apart from one another in the longitudinal direction L, are inserted through corresponding bores 53, preferably without tools, with their anchoring section 51a, as shown in the enlarged cross-sectional view in FIG Figure 6 can be seen.
  • the corresponding holding section 51a has corresponding projections 51b and 51c, so that the holding section 51a is inserted obliquely into the corresponding bores 53 in the reflector housing sections and then pressed in such that the opposite projections 51b and 51c engage behind the corresponding bore 53.
  • an L-shaped web 57 projecting in the direction of the shielding wall 31 and engaging under the contact or anchoring section 45 is formed, with a clamping arm or clip 58 pointing towards the contact surfaces.
  • This clamp arm 58 then presses the corresponding contact or anchoring cover section 45 of the shielding cover of the shielding plate 31 in a completely parallel position to the corresponding contact or anchoring housing section 122, 22b on the component or reflector housing 16, wherein in figure 6 the insulating intermediate layer 47 is also shown in order to effect the capacitive coupling here.
  • the shielding plate can be adapted exactly to the desired transverse dimension between the corresponding contact surfaces on the reflector housing and compensate for tolerance errors.
  • pot-like depressions 66 are formed at various support points 65, which in the enlarged cross-sectional view according to FIG Figure 7 are reproduced. Holes 67 are made in the center of these depressions 66.
  • plastic support and holding elements 69 are preferably fastened on the back of the reflector surface, that is to say on the actual reflector sections (for example screwed or clipped), these support and holding elements 69 having a cross section in FIG Figure 7 are shown.
  • These support and holding elements 69 have a central pin or projection 69b formed on the top or end face 69a of these supporting and holding elements, which protrudes through the corresponding bore 67 in the corresponding shielding wall.
  • the bore 67 is made with such a large diameter in relation to the outer diameter of the pin or projection 69b that the two parts or halves of the shielding plate are shifted somewhat in the transverse direction in order to compensate for tolerance errors, in order to compensate for tolerance errors can be.
  • the opening 67 can also be designed as an elongated hole in the transverse direction Q, so that a displacement of the shielding plate in the longitudinal direction L is simultaneously prevented.
  • a shielding frame 71 is placed here, the circumferential flange 71a of which is dimensioned so wide that, despite the existing capacitive coupling to the end section of the respective shielding plate located underneath, it makes the interior of the reflector housing 29 radio-frequency-tight shields from the outside.
  • an insulating spacer 73 is attached or provided on the underside of the shielding frame 71 in order to ensure the capacitive coupling between the shielding frame 61 and the ends of the shielding walls running parallel thereto.
  • an air gap 75 is formed between the free edge 71b of the circumferential flange 71a closer to the material section of the shielding plate 31 lying congruent therewith, in order to effect a capacitive coupling here as well, while avoiding galvanic contact.
  • the width or length of the circumferential flange 71a is kept so small in relation to the distance A between the circumferential flange 71a of the shielding frame 71 and the shielding plate 31 underneath that high-frequency radiation neither enters the interior 29 nor emerges from there to the outside can.
  • the angle ⁇ is deliberately less than 90 ° here so that the two contact sections effecting the capacitive coupling between the shielding plate and the reflector housing do not build up on one another in the mounting direction E or in the direction of the central axis Z and contribute to an increase in the overall mounting space.
  • Figure 10 also has the advantage that the shielding plate to be attached can center itself due to a quasi-trapezoidal design.
  • the shielding cover under the shielding plate 31 is automatically held in its position in which the corresponding contact sections come to lie directly in parallel with the interposition of the insulating film 47.
  • any trained or plastic snap or grid elements could be used to hold the shielding cover 31 or the shielding plate 31 in the desired self-adjusting position.
  • Figure 10 only a cross section along one edge side of the shielding plate 31 is shown. The formation on the opposite long side would normally be symmetrical with respect to one running in the longitudinal direction L and perpendicular to the plane of the drawing in Figure 3 . 8th or 10 aligned plane of symmetry. Since it is preferably a rectangular shielding arrangement 31, the corresponding contact surfaces formed on the component and / or reflector housing 16 on the one hand and on the shielding cover 31 on the other run parallel to one another.
  • the described exemplary embodiments therefore show that, within the scope of the invention, capacitively coupled shielding of HF waves is possible by means of a one-part or multi-part shield plate which is attached to the antenna reflector at a suitable point.
  • a dielectric in the form of an insulating solid body (or also in the form of air) is preferably used as electrical insulation. The resulting gap between the interface and the shield plate can be isolated with these two parts.
  • this area can also be provided at any other location on the antenna), it is also possible to cover the corresponding frame by covering the reflector and the shield plate to design that a sufficient and optimal HF shielding is achieved in any case.
  • the shielding explained on the reflector can be installed or removed without tools in the smallest space requirement.
  • a uniform distance and a more or less uniform contact pressure are guaranteed between the reflector and the corresponding shielding attachments, for which purpose the connection or holding clips 37 explained serve. This measure reduces the risk of undesired intermodulation.
  • interference from the possibly passive antenna into active high-frequency electronics (radio, etc.) placed on the back is avoided. It also improves Front-to-back ratio in the operation of a corresponding antenna.
  • the configuration of the overall arrangement according to the invention enables a significant reduction in assembly times and a reduction in costs.
  • the exemplary embodiment has been explained for those cases in which the shielding cover or the shielding plate 31 is essentially plate-shaped.
  • the shielding cover or the shielding plate 31 can, however, also be formed as part of a complex structure, for example a housing for accommodating further electrical HF components.
  • the shielding plate to be used in the opening area can, for example, also be part of a radio or remote radio head to be put on, or generally part of other HF electronics modules.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Aerials With Secondary Devices (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Claims (13)

  1. Boîtier à blindage capacitif, notamment boîtier à blindage capacitif pour composants d'un dispositif de type antenne de radiotéléphonie mobile, présentant les aspects suivants :
    - il présente un boîtier pour composants et/ou pour réflecteur (16) conducteur d'électricité,
    - le boîtier pour composants et/ou pour réflecteur (16) présente une zone d'ouverture (30) protégée des rayonnements RF par une protection de blindage ou un cache de blindage (31),
    - le boîtier pour composants et/ou pour réflecteur (16) présente au moins deux sections de boîtier de contact ou d'ancrage (122),
    - à l'état protégé, la protection de blindage ou le cache de blindage (31) est installé dans une zone d'ouverture (30) du boîtier pour composants et/ou pour réflecteur (16) de manière que les sections de protection de contact ou d'ancrage (45) sur la protection de blindage ou sur le cache de blindage (31) sont parallèles aux sections de boîtier de contact ou d'ancrage (122) sur le boîtier pour composants et/ou pour réflecteur (16), et
    - les sections de boîtier de contact ou d'ancrage (122) planes et les sections de protection de contact ou d'ancrage (45) planes sont parallèles à une direction d'emboîtement ou de montage (E) et/ou à un axe central (Z) traversant le boîtier pour composants et/ou pour réflecteur (16) ou inclinées par rapport à cette direction ou à cet axe, selon un angle α répondant à la condition suivante : 0 ° ≤ α < 90 °
    Figure imgb0003
    caractérisé par les aspects supplémentaires suivants :
    - les sections de protection de contact ou d'ancrage (45) de la protection de blindage ou du cache de blindage (31) sont disposées immédiatement contiguës et parallèles aux sections de boîtier de contact ou d'ancrage (122) sur le boîtier pour composants et/ou pour réflecteur (16) en étant séparées par une couche isolante (47),
    - la protection de blindage ou le cache de blindage (31) est couplé de manière capacitive au boîtier pour composants et/ou pour réflecteur (16), et
    - la protection de blindage ou le cache de blindage (31) est porté et retenu par des éléments d'appui ou de retenue (69) qui sont ancrés sur le boîtier pour composants ou pour réflecteur (16) pour servir de pièces d'écartement et présentent, écartés dudit boîtier, des saillies ou tenons (69b) qui s'emboitent dans un trou (67) associé présent dans la protection de blindage ou le cache de blindage (31) ou qui traversent des trous (67).
  2. Boîtier selon la revendication 1, caractérisé en ce que l'angle α est inférieur ou égal à 80°, notamment inférieur ou égal à 70°, 60°, 50°, 45°, 40°, 30°, 20° et notamment inférieur ou égal à 10°.
  3. Boîtier selon l'une des revendications 1 et 2, caractérisé en ce que la protection de blindage ou le cache de blindage (31) est montable et démontable sans outil.
  4. Boîtier selon l'une des revendications 1 à 3, caractérisé en ce que la fixation de la protection de blindage ou du cache de blindage (31) s'effectue sans vis.
  5. Boîtier selon l'une des revendications 1 à 4, caractérisé en ce que les trous (67) sont conçus dans des sections renfoncées (66) de la protection de blindage ou du cache de blindage (31) de manière que la saillie ou le tenon (69b) se termine en dessous de la face supérieure (FL) de la protection de blindage ou du cache de blindage (31), qui est contiguë à ladite section renfoncée (66).
  6. Boîtier selon l'une des revendications 1 à 5, caractérisé en ce que des trous (53) sont aménagés dans le boîtier pour composants et/ou pour réflecteur (16) en étant espacés les uns des autres dans le sens longitudinal (L), de préférence de façon contiguë à la section de boîtier de contact et/ou d'ancrage (122), dans lesquels trous sont ou peuvent être installés, de préférence sans outil, des éléments de retenue (51) qui présentent un portant (57) qui fait saillie en direction de la protection de blindage ou du cache de blindage (31) et qui est conçu sous la forme d'un bras de serrage ou qui porte un bras de serrage (58) séparé de manière qu'une section de protection de contact ou d'ancrage (45) adjacente puisse être introduite entre ledit bras de serrage (58) et ladite section de boîtier de contact ou d'ancrage (122) et puisse être disposée parallèlement à la section de boîtier de contact ou d'ancrage (122) adjacente en étant soumise à la force du bras de serrage (58).
  7. Boîtier selon la revendication 6, caractérisé en ce que les éléments de retenue (51) présents sur le portant (57) en saillie comprennent un levier de serrage (58) prétendu et faisant saille en direction de la section de boîtier de contact ou d'ancrage (122) sur le boîtier pour composants et/ou pour réflecteur (16), moyennant quoi, lorsque la protection de blindage ou le cache de blindage (31) est en place, les sections de protection de contact ou d'ancrage (45) correspondantes sont retenues, prétendues, sur toute leur surface, en direction de sections de boîtier de contact ou d'ancrage (122) du boîtier pour composants et/ou pour réflecteur (16) qui sont orientées parallèlement à celles-ci.
  8. Boîtier selon l'une des revendications 1 à 7, caractérisé en ce que la protection de blindage ou le cache de blindage (31) comprend une séparation orientée dans le sens longitudinal (L) et formant deux parties ou moitiés (31'a, 31"a ; 31'b, 31"b) de protection de blindage ou de cache de blindage qui sont déplaçables dans le sens transversal (Q) par rapport à ladite séparation et sont en chevauchement dans une zone médiane de chevauchement (35), moyennant quoi la largeur effective de la protection de blindage ou du cache de blindage (31) peut être adaptée en fonction de la largeur de la zone d'ouverture (30) du boîtier pour composants et/ou pour réflecteur (16).
  9. Boîtier selon la revendication 8, caractérisé en ce que les deux parties ou moitiés (31'a, 31"a ; 31'b, 31"b) sont ajustables de façon différenciée dans le sens de la largeur (Q) au moyen d'un mécanisme d'ajustement limité, des clips de retenue (37) étant prévus à cet effet pour traverser les deux trous (39a, 39b) réalisés en chevauchement au moins partiel dans les deux parties ou moitiés de la protection de blindage ou du cache de blindage (31) et pour retenir parallèles l'une contre l'autre les deux parties ou moitiés de la protection de blindage ou du cache de blindage (31) en chevauchement dans cette zone, une couche isolante (36) destinée à créer un couplage capacitif étant prévue entre les deux sections en chevauchement de la protection de blindage ou du cache de blindage (31).
  10. Boîtier selon la revendication 9, caractérisé en ce que les clips de retenue (37) sont formés dans une zone renfoncée (131) dans la protection de blindage ou dans le cache de blindage (31) de telle manière que la section d'ancrage (40) des clips de retenue (37) qui ressort dans cette zone se trouve en dessous de la face supérieure (FL) délimitant autrement la protection de blindage ou le cache de blindage (31).
  11. Boîtier selon l'une des revendications 1 à 10, caractérisé en ce que la protection de blindage ou le cache de blindage (31) comprend, dans le sens longitudinal (L) du boîtier, deux sections espacées l'une de l'autre, présentant entre elles un espacement dans lequel loge une barrette de connexion (35), et en ce que la barrette de connexion (35) est recouverte par un cadre de blindage (71) dont la bordure périphérique (71a) est couplée de manière capacitive par les sections sous-jacentes de la protection de blindage ou du cache de blindage (31) en évitant une séparation galvanique.
  12. Boîtier selon l'une des revendications 1 à 11, caractérisé en ce que la protection de blindage ou le cache de blindage (31) fait partie d'une construction de boîtier supplémentaire dans lequel loge un dispositif électronique RF ou des composants de dispositif électronique RF, notamment une radio ou une tête radio distante.
  13. Boîtier selon l'une des revendications 1 à 7, caractérisé en ce que la protection de blindage ou le cache de blindage (31) est conçu de manière que les sections de protection de contact ou d'ancrage (45) correspondantes peuvent être adaptées dans leur orientation, de préférence de façon auto-ajustable, à l'orientation des sections de boîtier de contact ou d'ancrage (122).
EP15738841.4A 2014-07-31 2015-07-16 Boîtier à blindage capacitif, en particulier boîtier de composant à blindage capacitif pour dispositif de type antenne Active EP3175510B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014011514.3A DE102014011514A1 (de) 2014-07-31 2014-07-31 Kapazitiv geschmiertes Gehäuse, insbesondere kapazitiv geschmiertes Komponenten-Gehäuse für eine Antenneneinrichtung
PCT/EP2015/001465 WO2016015835A1 (fr) 2014-07-31 2015-07-16 Boîtier à blindage capacitif, en particulier boîtier de composant à blindage capacitif pour dispositif de type antenne

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EP3175510A1 EP3175510A1 (fr) 2017-06-07
EP3175510B1 true EP3175510B1 (fr) 2019-12-18

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US (1) US10008768B2 (fr)
EP (1) EP3175510B1 (fr)
CN (1) CN106537686B (fr)
DE (1) DE102014011514A1 (fr)
WO (1) WO2016015835A1 (fr)

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JP6658658B2 (ja) * 2017-04-05 2020-03-04 株式会社デンソー インターロックコネクタ付きカバー
DE102017131298B4 (de) * 2017-12-24 2024-10-10 Lisa Dräxlmaier GmbH Deckel für ein elektromagnetisch geschirmtes Gehäuse, elektromagnetisch geschirmtes Gehäuse und Verfahren zum Herstellen eines elektromagnetisch geschirmten Gehäuses
DE102018208925A1 (de) 2018-06-06 2019-12-12 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Abschirmen von Bauteilen
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Publication number Publication date
US10008768B2 (en) 2018-06-26
CN106537686B (zh) 2019-08-27
DE102014011514A8 (de) 2017-10-05
WO2016015835A1 (fr) 2016-02-04
CN106537686A (zh) 2017-03-22
DE102014011514A1 (de) 2016-02-04
US20170222313A1 (en) 2017-08-03
EP3175510A1 (fr) 2017-06-07

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