EP0674363A2 - Connecteur multipoles avec agencement de filtre - Google Patents

Connecteur multipoles avec agencement de filtre Download PDF

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Publication number
EP0674363A2
EP0674363A2 EP95100291A EP95100291A EP0674363A2 EP 0674363 A2 EP0674363 A2 EP 0674363A2 EP 95100291 A EP95100291 A EP 95100291A EP 95100291 A EP95100291 A EP 95100291A EP 0674363 A2 EP0674363 A2 EP 0674363A2
Authority
EP
European Patent Office
Prior art keywords
sockets
plug
planar filter
contact
pins
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP95100291A
Other languages
German (de)
English (en)
Other versions
EP0674363A3 (fr
EP0674363B1 (fr
Inventor
Bob Mouissie
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.)
FILTEC GmbH Filtertechnologie fuer die Elektronikindustrie
Original Assignee
FILTEC GmbH Filtertechnologie fuer die Elektronikindustrie
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by FILTEC GmbH Filtertechnologie fuer die Elektronikindustrie filed Critical FILTEC GmbH Filtertechnologie fuer die Elektronikindustrie
Publication of EP0674363A2 publication Critical patent/EP0674363A2/fr
Publication of EP0674363A3 publication Critical patent/EP0674363A3/fr
Application granted granted Critical
Publication of EP0674363B1 publication Critical patent/EP0674363B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/719—Structural association with built-in electrical component specially adapted for high frequency, e.g. with filters
    • H01R13/7195—Structural association with built-in electrical component specially adapted for high frequency, e.g. with filters with planar filters with openings for contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/6608—Structural association with built-in electrical component with built-in single component
    • H01R13/6625—Structural association with built-in electrical component with built-in single component with capacitive component

Definitions

  • the invention relates to a multi-pole connector with a planar filter with a number of capacitors corresponding to the number of signal lines to be connected, a capacitor being assigned to each plug pin / socket of the connector, formed by a first covering, which can be connected to the assigned signal line via contact surfaces, one second covering, which can be connected to ground via at least one edge strip, and a dielectric between the two coverings.
  • multi-pole connectors such as those used for the transmission of digital or analog measurement signals from multiple measurement devices or are used in high-speed transmission of information
  • filtering in order to filter out interfering interference signals.
  • This filtering of interfering interference signals is generally carried out using capacitors, one of which is provided for each line carrying a signal.
  • the capacitors are advantageously combined in planar filters and inserted into the plug connectors, the planar filters being penetrated by the signal lines, and at least one capacitor being provided for each of the signal lines and the capacitors being arranged on a generally ceramic, in particular aluminum oxide, carrier.
  • planar filters are used, which are usually applied to an aluminum oxide substrate using the screen printing process, the electrodes separated by a dielectric layer on the one hand as a continuous ground electrode and on the other hand in the number of plugs or sockets corresponding discrete, mutually insulated electrodes are printed on the connector. Due to their design, these planar filters have a very low self-inductance, so that their resonance is shifted towards high frequencies, which favors the use of this technology for fast signal transmission.
  • planar filters are provided with openings through which the plug pins or the socket are guided, the covering of the associated capacitor advantageously being guided into the opening where the electrical connection to the plug pin or socket is produced by soldering. In some cases, however, prohibits the geometry that the planar filters are used at right angles to the connector pins or sockets. This is where the invention comes in, which overcomes this disadvantage and which enables the use of the planar filter technology which is more advantageous for filtering at a high signal transmission rate, even in narrow conditions, the installation of the planar filter should be simple and economical.
  • the arrangement of the / the planar filter upright next to a row of the plug pins or sockets ensures that the planar filter can be accommodated in order to suppress interference between them at usual distances between the rows of plugs or sockets in connectors.
  • This arrangement can be such that each of the planar filters is arranged between two rows of plug pins or sockets or next to two such rows.
  • the planar filter has at least one side, advantageously also both sides, of condensers, the connections of which lead out to contact areas, each of the plug pins or sockets being connected to the associated capacitor via its contact area by conductors or contact tabs which produce a metallic connection and which are advantageously resiliently elastic , either on the contact surfaces or on the plug pin or socket.
  • planar filter is provided with capacitors on both sides, so that each adjacent row of plug pins or sockets is connected to the contact surfaces of the planar filter in a short way can.
  • all of the capacitors of the planar filter can also be produced as a series connection of two capacitors, so that the dielectric strength is increased by this series connection.
  • ground connection at least one edge region of the planar filter producing this connection is provided, to which the ground electrode, which is common for all capacitors of the planar filter, is led out.
  • This area is connected to the general ground, the connection being established by the clamping rails, which mechanically receive and hold the planar filter, and which are then metallically connected to the ground-carrying housing.
  • Another possibility is given by the fact that separate contact lugs are provided which establish the ground connection, possibly to conductor tracks or surfaces of a circuit board which lead to ground potential, or by connection to a plug pin or socket which is connected to ground -Potential lies.
  • a planar filter is advantageously arranged between two rows of plug pins or sockets. These planar filters form the filter stage assigned to these plug pins or sockets of these two rows, the planar filter being printed on both sides with capacitors, so that each of the rows of plug pins or sockets the side of the planar filter with their capacitors facing them, with the corresponding plug pins, in a short way or sockets can be connected.
  • the connecting conductors of adjacent plug pins or sockets at opposite points are in metallic contact with the corresponding contact surfaces of the planar filter, so that the filter effect is not hindered.
  • Such double-sided planar filters described here are produced in the usual planar filter technology: on a carrier, generally one aluminum oxide plate, the electrode to be connected to the mass is printed on using screen printing technology and covers the entire surface (almost). A dielectric layer, generally made of high-dielectric materials, is applied to this ground electrode, and then the individual electrodes connected to the sockets as signal electrodes.
  • An alternative embodiment is provided in this case by using a metallic carrier which forms the ground electrode and which, like the applied ground electrodes of the previously described embodiment, has a good shielding effect. Dielectric layers are applied to both sides of this metallic carrier, which are in turn provided with individual electrodes to be connected to the sockets. In both embodiments, a protective cover protects the arrangement from environmental influences and mechanical attacks.
  • This arrangement also allows the formation of a connector with filters if more than two rows of connector pins or sockets are provided, which may if the number of rows is odd, a planar filter is used for the rest of the row.
  • the ground connection required for effective filtering is established via the ground electrode, which is generally common to all of the capacitors, this ground electrode being led out to at least one of the side regions of the planar filter and being conductively connected there to the housing of the plug connector.
  • the planar filter is arranged so that one of the side pairs of the rectangular planar filter, preferably the narrow sides, is aligned parallel to the plug pins or sockets.
  • the ground electrode is advantageously led out on the long side; this can reduce the self-induction of the ground connection.
  • planar filter is arranged next to the rows of plug pins or sockets.
  • the planar filter here has several rows of capacitors, the number of which corresponds to the rows of plug pins or sockets assigned to the planar filter. Because of these rows of capacitors lying one below the other in the alignment of the planar filter, the connecting conductors to the plug pins or sockets lie on different levels.
  • the planar filter is - just as in the previously described application example - aligned so that one of the side pairs of the rectangular planar filter, preferably the narrow sides, is aligned parallel to the plug pins or sockets.
  • planar filter is regularly outside the rows of plug pins or sockets and is located directly on the wall of the plug housing. It goes without saying that a mixed application is also possible in which the planar filter is arranged between two rows of plug pins or sockets and a planar filter outside the rows, with the two rows of plug pins or sockets adjacent to the planar filter this are connected.
  • planar filter allows to be arranged between the plug connectors or sockets even when the connector is closely populated;
  • planar filter has on one side two rows of contact surfaces which are spaced apart from each other near one of the edges, advantageously the longitudinal edges, these being alternately assigned to the even-numbered and odd-numbered capacitors, so that they are assigned to the even-numbered capacitors Contact areas, for example, along the lower and the odd-numbered Contact areas associated with capacitors lie along the upper edge of the planar filter. If the planar filter is provided with capacitors on both sides, the corresponding rows of contact surfaces are naturally present on both sides.
  • the connecting conductors are designed as spring tongues extending from the plug pin or from the socket.
  • These spring tongues rest on the contact surfaces, which for this purpose do not have to be provided with the openings provided otherwise for planar filters used for the purposes of high-frequency filtering for the passage of plug pins or sockets. It is sufficient if the contact surfaces are exposed so that the spring tongues can lie against them, the elastic properties of the material of the spring tongue ensuring the necessary contact pressure.
  • the plug pins or sockets are usually made of resilient material, it is advantageous if the spring tongues of the connecting conductors are formed from the side wall of the plug pin or socket. According to a further development, the spring tongues are guided at a preferably acute angle against the contact points of the planar filter.
  • An alternative embodiment which can be used in particular in the case of a double-row arrangement of contact areas on one side of the planar filter, has contact tabs on the contact areas which abut on metallic connection areas of the associated plug pins or sockets and thus establish the contact between these and the respectively associated capacitor .
  • These contact tabs can be soldered or inserted into corresponding holes in the carrier of the planar filter, it being understood that the ground electrode is around these holes must be excluded around in order to prevent inadmissible contact with the earth.
  • the capacitor electrodes, which are connected to the plug pins or sockets are arranged on both sides of the planar filter, the metal-coated capacitor coatings are also designed here in such a way that inadmissible contacts are prevented.
  • connection technology has the advantage over the connection technology for planar filters arranged outside the plug pin or socket rows that longer contact lugs are avoided and the self-induction on the signal side is thus kept small.
  • the interior of the connector housing is filled in a manner known per se with plastic inserts, these having longitudinal recesses in the area of the spring tongues. With these recesses the mobility of the spring tongues is maintained, which can resiliently contact the contact surfaces.
  • the connecting conductors are designed as contact pins. These contact pins connect the plug pins or sockets to the contact surfaces of the respectively assigned capacitor of the planar filter. These contact pins are advantageously in conductive connection with the plug pins or sockets and are connected to the contact surfaces of the planar filter. They are preferably made of a resilient material and are generally at right angles to the plug pins or sockets. In an advantageous embodiment, the contact pins are soldered to the planar filter. In another embodiment, in which the planar filters provided with lead-through openings are used, the contact pins are introduced, preferably soldered, into openings provided in the planar filter.
  • the interior of the connector housing is filled with insulating plastic inserts in a manner known per se.
  • These plastic inserts form a stacked layer formed from several layers, at least one of the layers having channel-shaped recesses leading to the openings for the passage of plug pins or sockets for receiving the contact pins.
  • These are designed as flat metal strips that are inserted into these trough-shaped recesses in such a way that they protrude into the through openings provided for receiving the shafts of the plug pins or the plug sockets and are flipped over when the plug pins or plug sockets are inserted, and thus with metal by squeezing be brought into contact with them.
  • two rows of plug pins or sockets are supplied by a planar filter arranged laterally next to the rows of plug pins or sockets, it is advantageous if the contact pins run in different planes, so that the one row in one plane and the other row in are arranged on a second level.
  • two of the layers of the stacking layer then have channel-shaped recesses, these being guided as far as the assigned through openings for the plug pins or sockets.
  • Figure 1 shows a plan view of the connector 1 with the housing 2 and the sockets 13, which are arranged here in two rows.
  • a planar filter 16 is inserted between the two rows of sockets 13, the narrow sides of which are inserted in clamping rails 5.
  • the narrow sides of the planar filter 16 provided with the ground contacts 16.1 are held mechanically by the clamping rails 5, on the one hand, and on the other hand they are led out via the clamping rails 5 and electrically connected to the connector housing 2 which is at ground potential.
  • the sockets 13 are fixed in the housing with anchor tabs 14 which engage behind recesses in the wall of the housing 2.
  • the outward-pointing anchor tabs 14 serve as holders.
  • the inward-pointing anchor tabs 15 rest on the contact surfaces of the planar filter 16 and thus establish the electrical contact with the capacitors of the planar filter 16, and since the planar filter 16 is fixed in the clamping rails 5 they also contribute to the fixing of the socket.
  • Figure 2 is a section along the section line II-II (Fig. 1) and clearly shows these conditions:
  • the in the housing 2 of the Connector 1 inserted sockets 13 have outwardly spread anchor tabs 14 which engage behind recesses 2.1 and thus secure the inserted sockets 13.
  • the inward spread armature tabs 15 rest on the contact surfaces 16.2 of the planar filter 16, whereby the conductive connection to the capacitors of the planar filter 16 is established.
  • the planar filter is manufactured in thick-film technology and consists of a carrier 17, which is generally made of aluminum oxide (or a metallic carrier 18), on the layers 17.1 and 17.2, which are generally conductive in the screen printing process, between which at least the capacitors are formed a dielectric layer 17.3 is provided, the layer structure being covered with a protective covering 17.4, it is possible to provide these conductive layers 17.1 and 17.2 forming the capacitors on both sides of the carrier 17 and to keep the connections free from the insulating cover 17.4 , to form the contact surfaces 16.2.
  • the connector 1 is closed by an integrally molded or subsequently inserted plastic piece 2.2 (which is not shown in FIG.
  • This insert is further provided with a one-piece molded or inserted strip-like formation 2.3 which holds the planar filter 16 in position.
  • FIG. 3 shows a section through a plug connector 1, shown as an adapter plug connector with four rows of plug pins 12, which corresponds to the section in FIG.
  • the housing 2 of the connector 1 is formed from sheet metal, with plastic inserts 6 filling the interior of the housing 2.
  • the long sides are provided with the ground contacts 16.1. These long sides are held by clamping rails 5, which are metallically connected to the housing 2 of the connector 1 and via which the electrical ground connection runs.
  • these plastic inserts 6 have guide channels as channels 9 into which the contact webs 10 are inserted.
  • planar filters 16 are advantageously used, which have a lead-through opening 16.3 for each of the capacitors in the customary design, it being understood that the capacitors can be arranged on both sides, either to increase the capacitance or to increase the dielectric strength.
  • each of the capacitors can be reached, the ends of the contact webs 10 advantageously being soldered into the lead-through openings 16.3 of the planar filter 16.
  • the contact webs 10 are bent so that an existing dimensional difference between the parting plane of the plastic inserts 6 with the guide grooves 6.1 or the guide channels in a compact plastic block and the through openings provided in the planar filters 16 is bridged, whereby it is also self-sufficient understands that instead of the stacked layer of the plastic inserts 6, a compact block can be used, into which the lead-through channels 6.1 for the contact webs are drilled, which are then advantageous than in the area of these lead-through channels Round pins are formed, while the part of the contact web 10 protruding into each feed-through channel for the plug pin / socket combination is flattened.
  • FIG. 3a which corresponds to the representation of the connector in Figure 3, two planar filters 16 'are used, which are arranged here between the two pairs of rows of the sockets 13.
  • the planar filters 16 'used here are held in longitudinal contact rails 5, which establish the ground connection via the metallic housing 2; they have two rows of contact surfaces 16.2 ', which are arranged in rows along the two edge regions of the planar filter 16'.
  • Each of the contact surfaces as shown enlarged as details, is provided with a contact tab 10 'which is soldered into a bore 16.3 in the carrier 17 and is thus connected to the associated capacitor covering 17.1 which is at the signal line potential.
  • the ground electrodes 17.2 lying at ground potential are left out in the region of this bore 16.3.
  • the assigned capacitor is shown on the left of the rear of the planar filter (seen from the contact tab) and on the right on its front.
  • the free end of the contact tab 10 'bears against the associated metallic socket 13 shown here.
  • the planar filter 16 ' can be kept very flat, so that it can also be used with tightly populated connectors.
  • the arrangement of the contact lugs 10 ' is almost completely symmetrical and these can be kept short, so that the undesired self-induction can be small and their distribution can be kept even.
  • FIG. 4 shows a schematic top view of a connector 1 with two rows of sockets 13, each row having five, without restricting the invention thereto, it being also goes without saying that these sockets 13 can be set to "gap".
  • the planar filter 16 is drawn in with dashed lines and, as shown in FIG. 2-, is located between the two rows of the sockets 13.
  • the drawn, multiply jumped section line VV indicates how the connector 1 is cut in the illustration in FIG. 5.
  • FIG. 5 shows the connector 1 in the left area in an external view.
  • the sockets 13, which are concealed in the depth, are also indicated by dashed lines, as is the planar filter 16 located in the middle.
  • the projection in the middle area reveals the socket 13 arranged in the center, which, with spring clips 15.1 of the inward-pointing anchor tabs 15, as contact tabs on the contact surface 16.2 of the Planar filter 16 abuts and thus directly via this with the associated electrode of the capacitor of the planar filter 16, which can be recognized directly on this cut only on both sides of the socket 13, which is inserted into the shape of the housing of the connector 1.
  • FIG. 6 shows a planar filter 16 schematically in view.
  • the longitudinal side edges are covered with the contact surfaces 16.1 for the ground electrode / electrodes, which after insertion in the connector 1 with the clamping rails 5 (Fig. 3) are conductively connected.
  • the contact surfaces 16.2 ' which are brought out are arranged in two rows near the longitudinal side edges, in which the contacts themselves are provided alternately, so that the distances between adjacent contact surfaces 16.2' are twice as large as the distances between the associated plug pins 12 or sockets 13 6a and 6b finally show cross sections through the planar filter 16 itself.
  • 6a is essentially formed by the insulating, generally aluminum oxide support 17, which has on both sides a first, continuous, conductive layer 17.2, which as electrode at ground potential is conductively connected to the outer contact surface 16.1; this flat double electrode forms a shield that shields the two rows of connector pins 12 and sockets 13 against each other.
  • a non-conductive, dielectric layer 17.3 is applied to these conductive surfaces 17.2 as the dielectric of the capacitors; here, as a rule, high-dielectric materials are used, which are known from thick or thin film technology, for example barium titanate.
  • the individual capacitor coverings 17.1 to be brought into conductive connection via the contact surfaces 16.2 with the plug pins 12 or sockets 13 are applied to this continuous dielectric.
  • a protective coating 17.4 covers the entire planar filter 16, which is usually produced using screen printing technology, and offers protection against environmental influences or mechanical influences.
  • FIG. 6b shows another construction of such a double-sided planar filter 16:
  • the carrier is a metal plate 18, onto which the dielectric 18.3 is applied, which in turn carries the individual capacitor electrodes 18.1.
  • the continuous ground electrode is omitted here, it is formed by the metallic carrier plate, which has the necessary conductivity and shielding ability.

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EP95100291A 1994-01-13 1995-01-11 Connecteur multipoles avec agencement de filtre Expired - Lifetime EP0674363B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9400491U 1994-01-13
DE9400491U DE9400491U1 (de) 1994-01-13 1994-01-13 Vielpoliger Steckverbinder mit Filteranordnung

Publications (3)

Publication Number Publication Date
EP0674363A2 true EP0674363A2 (fr) 1995-09-27
EP0674363A3 EP0674363A3 (fr) 1997-07-16
EP0674363B1 EP0674363B1 (fr) 1999-02-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP95100291A Expired - Lifetime EP0674363B1 (fr) 1994-01-13 1995-01-11 Connecteur multipoles avec agencement de filtre

Country Status (4)

Country Link
US (1) US5597328A (fr)
EP (1) EP0674363B1 (fr)
CA (1) CA2139978A1 (fr)
DE (2) DE9400491U1 (fr)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
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DE19501484A1 (de) * 1995-01-19 1996-07-25 Thomas & Betts Gmbh Elektronischer Stecker
DE19755968C1 (de) * 1997-12-16 1999-09-09 Filtec Gmbh Adapter-Steckverbinder mit Planarfilter
FR2828017B1 (fr) * 2001-07-24 2006-07-28 Tyco Electronics France Sas Dispositif pour relier les bornes d'un premier dipole, tel qu'un condensateur, aux bornes d'un second dipole, tel qu'un initiateur pyrotechnique
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CN215816516U (zh) 2020-09-22 2022-02-11 安费诺商用电子产品(成都)有限公司 电连接器
CN213636403U (zh) 2020-09-25 2021-07-06 安费诺商用电子产品(成都)有限公司 电连接器
US11569613B2 (en) 2021-04-19 2023-01-31 Amphenol East Asia Ltd. Electrical connector having symmetrical docking holes
US12176650B2 (en) 2021-05-05 2024-12-24 Amphenol East Asia Limited (Hong Kong) Electrical connector with guiding structure and mating groove and method of connecting electrical connector
CN215266741U (zh) 2021-08-13 2021-12-21 安费诺商用电子产品(成都)有限公司 一种满足高带宽传输的高性能卡类连接器
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Also Published As

Publication number Publication date
EP0674363A3 (fr) 1997-07-16
EP0674363B1 (fr) 1999-02-10
US5597328A (en) 1997-01-28
CA2139978A1 (fr) 1995-07-14
DE59505064D1 (de) 1999-03-25
DE9400491U1 (de) 1995-02-09

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