EP2351163A1 - Right-angle connector having a shielding and method for producing the shielding of the right-angle connector - Google Patents

Right-angle connector having a shielding and method for producing the shielding of the right-angle connector

Info

Publication number
EP2351163A1
EP2351163A1 EP09771282A EP09771282A EP2351163A1 EP 2351163 A1 EP2351163 A1 EP 2351163A1 EP 09771282 A EP09771282 A EP 09771282A EP 09771282 A EP09771282 A EP 09771282A EP 2351163 A1 EP2351163 A1 EP 2351163A1
Authority
EP
European Patent Office
Prior art keywords
angle connector
shielding
shielding element
lower shielding
connector according
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
EP09771282A
Other languages
German (de)
French (fr)
Other versions
EP2351163B1 (en
Inventor
Jürgen Lappöhn
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.)
ERNI Electronics GmbH and Co KG
Original Assignee
ERNI Electronics GmbH and Co KG
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 ERNI Electronics GmbH and Co KG filed Critical ERNI Electronics GmbH and Co KG
Publication of EP2351163A1 publication Critical patent/EP2351163A1/en
Application granted granted Critical
Publication of EP2351163B1 publication Critical patent/EP2351163B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced 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
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • H01R12/724—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits containing contact members forming a right angle
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6594—Specific features or arrangements of connection of shield to conductive members the shield being mounted on a PCB and connected to conductive members

Definitions

  • the invention relates to an angle connector with a shield and a method for producing the shield of the angle connector.
  • the utility model according to DE 201 14 581 U1 shows a connector for a data cable according to US Telecommunication Standard FCC 68.500, which is referred to as RJ 45 connector.
  • the contact elements are surrounded by a shield which is open in the back, which is produced from a sheet metal part, for example by bending.
  • the shield which covers the side surfaces and the top and bottom of the connector housing, can be easily manufactured because the connector is realized as a straight connector.
  • DE 692 21 560 T2 describes a connector which can form the corresponding connector to the previously described in DE 201 14 581 U1 connector.
  • a shielding plate is provided, which surrounds the connector housing in the upper area and in the rear Area is bent.
  • a shield on the lower side of the contact elements is not provided.
  • an impedance-matched connector which has a 2-part shield, wherein a first shield completely surrounds the contact elements in the front region of the connector.
  • the entire connector including the front shield is surrounded by an outer shield having embossments and recesses.
  • the shielding element In the rear region of the contact elements, which is provided for soldering with conductor tracks of a circuit board, the shielding element on recesses, which allow a lead out of the contact elements of the shielding.
  • DE 602 08 885 T2 describes a connector which contains a shielding housing, which encloses the side surfaces and the top. On the underside also a shield is provided, which is arranged at a first connector directly on the board and a corresponding connector on the underside of the plastic connector housing. On the rear side of the connector, the shielding element has recesses, through which the contact elements are guided out of the shielding region.
  • the invention has for its object to provide an easy-to-manufacture angle plug connector with a shield and a method for producing the shield of the angle connector, which allow effective shielding up to high frequencies of the guided via the angle connector signals.
  • the angle connector according to the invention with a plurality of juxtaposed contact elements, which are provided on the rear side of the angle connector for soldering to conductor tracks of a circuit board, with at least on the top of the angle connector arranged upper shield and with a arranged on the bottom lower shield is characterized in that the lower shield includes a plug-side lower shielding, the shielding surface is oriented in the insertion direction, that the lower shield further includes a separate rear lower shielding element and that the lower shielding electrically connected to each other.
  • the angle connector according to the invention enables the realization of a high quality shielding. In particular, a homogeneous inductance coating within the connector is achieved.
  • the angle connector according to the invention is particularly suitable for guiding high-frequency signals. For example, a digital signal at a data rate of up to 10 Gigabit can be performed with high quality, while ensuring high signal integrity.
  • the angle connector according to the invention is therefore particularly suitable for signal processing arrangements in which, for example, boards are to be connected to a backplane.
  • At least one lower shielding element preferably at least the rear lower shielding element, may be at least partially positioned in a connector housing prior to manufacture of the electrical connection during assembly.
  • the angle plug connector according to the invention can be produced inexpensively despite its high-quality design. As a result, the angle connector according to the invention is particularly suitable for cost-sensitive mass production.
  • a first embodiment provides that the shielding surface of the rear lower shielding element is oriented perpendicular to the direction of insertion. This embodiment is particularly suitable for a 90 ° angle connector.
  • Another embodiment provides that the shielding surface of the rear lower shielding element is oriented at least in sections parallel to the contact elements.
  • An embodiment provides that the rear lower shielding is at least approximately guided to the solder connection of the contact elements of the angle connector.
  • a complete shielding of the contact elements is achieved up to the board.
  • the board can be fitted from above with the angle connector according to the invention.
  • a particularly advantageous embodiment provides that the lower shielding elements each have connecting surfaces which are welded together for electrical connection of the lower shielding elements. With this measure, a particularly simple assembly of the angle connector according to the invention is possible.
  • the plug-side lower shielding element has a homogeneous connection surface without recesses or recesses, which extends over a plurality of contact elements, preferably over all contact elements. This measure also contributes to the realization of a complete shielding of the contact elements.
  • at least one lower shielding element can be arranged at least partially within a connector housing.
  • the rear lower shielding element is arranged at least in the region of the connection with the plug-side lower shielding element within the connector housing.
  • a further development of this embodiment provides that the rear lower shielding element has a plurality of separately formed connecting surfaces and that the connector housing has separate recesses corresponding to the connecting surfaces for guiding and at least partially receiving the rear lower shielding element.
  • the upper shield includes a plug-side upper and rear upper shielding element, which are electrically connected to each other.
  • the at least two-part design allows a simple realization of the shield, wherein, for example, the plug-side upper shielding element can be arranged at least partially within the connector housing.
  • a further embodiment provides that at least one plug-side shielding element has a widening offset and / or that the upper and / or lower plug-side shielding element has spring tongues for clamping a corresponding shielding element of a corresponding connector.
  • the at least one widening crank enables immersion of a connector in the corresponding connector.
  • spring tongues improve the electrical contact between the two connectors and on the other hand provide a clamping force in the inserted state of the connector.
  • the inventive method for producing the angle connector provides a welded connection at least the lower shielding by means of laser welding previously.
  • the laser welding offers the possibility of establishing the electrical contact between the lower shielding elements even in hard to reach places within the connector housing. If the connecting surfaces of the lower shields are within the connector housing, the laser beam can be introduced through an existing opening in the connector housing to the connection point.
  • the use of a particularly pulsed-operated neodymium-YAG laser is provided.
  • An advantageous embodiment of the angle connector according to the invention which is provided in particular in connection with the manufacturing method according to the invention by means of laser welding, provides at least one breakthrough in at least one connecting surface of the lower and / or upper rear shield, which is preferably designed as a bore.
  • the apertures allow precise focusing of the laser beam.
  • optimum welding is achieved with a minimum amount of heat, whereby not only the welded shielding elements, but in particular the connector housing made of plastic during the welding are spared.
  • FIG. 2 shows a first view of the front and top side of an angle connector according to the invention
  • FIG. 3 shows an exploded view of the angle connector shown in FIG. 2, FIG.
  • FIG. 4 shows a second view of the lower and rear sides of the angle connector
  • FIG. 5 shows an exploded view of the angle connector shown in FIG. 4, FIG.
  • FIG. 6 shows a simplified sectional view through the angle connector
  • FIG. 7 shows a first view of the back and top of a corresponding angle connector
  • FIG. 8 shows an exploded view of the corresponding angle connector shown in FIG. 7, FIG.
  • FIG. 9 shows a second view of the rear and underside of the corresponding angle connector, FIG.
  • FIG. 11 shows a simplified sectional view through the corresponding angle plug connector
  • FIG. 11 shows a simplified sectional view through the corresponding angle plug connector shown in FIG. 7,
  • FIG. 12 is an isometric view of shield members of the corresponding angle connector shown in FIG. 7, showing a particular configuration of bonding surfaces.
  • Figure 13 is a simplified sectional view through the angle connector according to Figure 6, which shows one of the corresponding embodiment of connecting surfaces shown in Figure 12 and
  • Figure 14 is an isometric view of an angle connector in the mated condition with a corresponding angle connector.
  • Figure 1 shows a sectional view through a described in the above-mentioned catalog E 074482 Applicant angle connector 1, in which a plurality of stacked contact elements 2 is provided on the rear lower side 3 of the angle connector 1 for soldering with non-visible Printed conductors of a circuit board 4 are provided.
  • the contact elements 2 are housed in an insulating connector housing 5, which is shielded by a shield 6, 7, which is shown in simplified form.
  • the shield is composed of an upper shield 6 and a lower shield 7.
  • recesses are cut out of the shield 6, 7 on both the top and on the bottom and the remaining bridges to spring tongues 8, 9 bulged out, which allow reliable contact and clamping of the shield of a corresponding connector.
  • the lower shield 7 encloses the underside of the end pieces 10 of the contact elements 2 provided for soldering to the printed conductors of the printed circuit board 4 which are not shown, and covers the entire contacting region on the underside of the printed circuit board 4 in the mounted state of the angular connector 1.
  • FIG. 2 shows an inventive angle connector 20a, which contains a plurality of juxtaposed, invisible contact elements, wherein in the illustrated embodiment further two superimposed rows of contact elements are provided.
  • the angle connector 20a according to the invention includes an upper shield 22a, which in the illustrated embodiment is composed of a plug-side upper shielding element 24a with a shielding surface 25a and a rearward upper shielding element 26a.
  • the transition between the upper shielding elements 24a, 26a is approximately in the middle of the surface with respect to the plugging direction 28.
  • the upper shielding element 26a in the lancing direction 28 has separately formed connecting surfaces 30a, which establish the electrical connection to the plug-side upper shielding element 24a in the mounted state of the angle connector 20a.
  • separately formed connecting surfaces 32a may be provided on the plug-side upper shielding member 24a, which correspond to the connecting surfaces 30a of the rear upper shielding member 26a.
  • the angle connector 20a further includes a lower shield 34a, which is composed of a plug-side lower shielding element 36a with a shielding surface 37a and a rear lower shielding element 38a, wherein the shielding surface 37a of the plug-side lower shielding element 36a is oriented at least approximately in the insertion direction 28.
  • the lower shield 34a is only hinted at in the view shown in Figure 2 of the front and top of the angle connector 20a according to the invention.
  • an exploded view of the angle connector 20a shown in FIG. 2 is therefore shown in FIG.
  • Those parts shown in Figure 3, with the in Figure 2 Parts shown are each designated by the same reference numerals. This agreement also applies to the following figures.
  • FIG. 3 illustrates, in particular, the two-part configuration of the lower shield 34a with the plug-in lower shielding element 36a and the rear lower shielding element 38a.
  • FIG. 3 shows an advantageous embodiment of the rear lower shielding element 38a with a shielding surface 39a, which has separately formed connecting surfaces 40a, which are provided for establishing the electrical connection with the plug-side lower shielding element 36a.
  • the plug-side lower shielding element 36a has at least one corresponding connecting surface 42a, wherein in the exemplary embodiment shown a homogeneous surface without recesses or recesses is provided, which extends over the entire rear end of the plug-side lower shielding element 36a.
  • the plug-side lower shielding element 36a likewise has connecting surfaces which have been formed separately on the separately formed connecting surfaces 40a of the rear lower shielding element 38a.
  • FIG. 3 shows a complete view of the connector housing 44a, in which the invisible contact elements are accommodated.
  • FIG. 4 shows a second view of the bottom and back of the angle connector 20a according to the invention.
  • FIG. 4 shows in particular the positioning of the connecting surfaces 40a of the rear lower shielding element 38a, which are positioned in recesses 46a of the connector housing 44a in the assembled state of the rear lower shielding element 38a.
  • the second view shown in FIG. 4 reveals a view of the solder connections 48a of the contact elements 50a accommodated in the connector housing 44a.
  • FIG. 5 particularly illustrates the arrangement of the recesses 46a in the connector housing 44a.
  • the angle connector 20a according to the invention enables, in particular, the realization of a high-quality shield 22a, 34a. Specifically, a homogeneous inductance coating within the angle connector 20a is achieved. As a result, the angle connector 20a according to the invention is particularly suitable for guiding high-frequency signals. The angle connector 20a according to the invention is particularly suitable for connections between signal processing arrangements, wherein via the connector digital signals with data rates up to 10 gigabits with high signal integrity can be performed. The frequency-dependent signal attenuation occurs only at very high frequencies.
  • a location-dependent constant characteristic impedance can be achieved within the angle connector 20a according to the invention due to the high-quality shielding 22a, 34a, in particular the 2-part configuration of the lower shield 34a, which in particular for minimization Site-dependent signal reflections and consequent signal distortions contributes.
  • the lower shield 34a due to the 2-part design of the lower shield 34a, a simple mounting of the lower shield 34a is possible, especially if the plug-side lower shielding element 36a and in particular the rear lower shielding element 38a are at least partially disposed within the connector housing 44a.
  • the shielding surface 39a of the rear lower shielding element 38a is oriented at least approximately perpendicular to the plugging direction 28. This embodiment is therefore particularly suitable for a 90 ° angle connector 20a.
  • Another embodiment provides that the shielding surface 39a of the rear lower shielding element 38a is oriented at least in sections parallel to the contact elements 50a.
  • the rear lower shielding element 38a is guided at least approximately to the soldering terminal 48a of the contact elements 50a.
  • a complete shielding of the contact elements 50a is achieved to the circuit board not shown in detail.
  • the board can be equipped with the angle connector 20a according to the invention from above by this embodiment.
  • a particularly advantageous embodiment provides that the connecting surface 40a of the rear lower shielding element 38a or the connecting surface 42a of the plug-side lower shielding element 36a for producing the electrical connection of the shielding elements 36a, 38a are welded together.
  • Such a welded connection can advantageously also be provided for welding the upper shielding elements 24a, 26a, provided that the upper shielding 22a is configured in several parts.
  • the welded connection is established between the optional connecting surfaces 30a of the rear upper shielding element 26a with the corresponding connecting surface 32a of the plug-side upper shielding element 24a.
  • the inventive method for producing the angle connector 20a according to the invention provides for the production of the welded connection of the lower shielding elements 36a, 38a and possibly the upper shielding elements 24a, 26a by means of laser welding.
  • the laser welding makes it possible to produce the welded connection when, during assembly, the lower shielding elements 36a, 38a are already arranged within the connector housing 44a for the purpose of establishing the electrical connection.
  • the welding can be performed by the recesses 46a in the connector housing 44a.
  • a line of sight from the front of the angle connector 20a in the insertion direction 28 on the top of the connecting surface 42a of the plug-side lower shield 36a the production of the welding of the shielding 36a, 38a of the lower shield 34a through the contact chambers from the front of the Angle connector 20a done.
  • a neodymium-YAG laser is provided for the production of the weld.
  • Such a laser has the advantage of a good metering of the energy.
  • a pulsed operation with pulse durations that can reach down to the femtosecond range.
  • This laser is also suitable for surface treatment of the shielding elements 24a, 26a, 36a, 38a.
  • the simplified sectional view shown in FIG. 6 by the angle connector 20a according to the invention clarifies the positioning, in particular of the two shielding elements 36a, 38a of the lower shield 34a.
  • the at least one connecting surface 40a of the rear lower shielding element 38a abuts against the corresponding connecting surface 42a of the plug-side lower shielding element 36a.
  • the two connecting surfaces 40a, 42a can be curved correspondingly to one another. In the embodiment shown, it is assumed that a flat surface.
  • the specific embodiment of the connecting surfaces 40a, 42a can be defined as a function of the predetermined distance to the contact elements 50a, which are registered in simplified form in FIG.
  • the lower shielding elements 36a, 38a are preferably guided at least in sections parallel to at least one contact element 50a.
  • Figure 6 further illustrates the electrical connection between the upper shielding elements 24a, 26a, provided that the upper shield 22a is designed in several parts.
  • the connecting surfaces 30a of the rear upper shielding member 26a with the at least one Shielding surface 25a of the plug-side upper shielding member 24a also welded together.
  • the method according to the invention for laser welding can also be used at this point.
  • the contact elements 50a have contact springs 52 on the plug-in front end.
  • FIGS 7 - 11 show a corresponding angle connector 20b according to the invention, which has matching components with the angle connectors 20a according to the invention shown first, wherein the corresponding components with the index "b" instead of the index "a” are provided at the reference numerals ,
  • the inventive angle connector 20b according to Figure 7 also has a connector housing 44b, which is surrounded by an upper shield 22b and a lower shield 34b.
  • the upper shield 22b includes a plug-in front shielding member 24b and a rear upper shielding member 26b, the rear upper shielding member 26b again having separately formed connecting surfaces 30b for electrical contact with the plug-side upper shielding member 24b.
  • FIG 8 To illustrate the individual components of the angle connector 20b according to the invention an exploded view of the reproduced in Figure 7 angle connector 20b is shown in Figure 8.
  • separately formed connecting surfaces 42b are provided at the corresponding corner connector 20b at the plug-in front shielding element 36b instead of a homogeneous connecting surface 42a, which leads to the separately formed connecting surfaces 40b of the rear lower shielding member 38b correspond.
  • recesses are provided at the plug-side end of the plug-side upper shielding element 24b, from which spring tongues 60 are bent out.
  • Figure 9 shows a view of the back and bottom of the corresponding angle connector 20b in the mounted state. Also, in the corresponding angle connector 20b, the connecting surfaces 40b of the rear lower shielding member 38b are positioned in recesses 46b of the connector housing 44b.
  • connection of the connecting surfaces 40b, 42b of the lower shield 34b and optionally the connecting surfaces 30b, 32b of the upper shield 22b are again advantageously produced by the laser welding method according to the invention.
  • FIG. 11 shows an embodiment of the plug side upper shielding element 24b and / or the plug-side lower shielding element 36a, 36b, according to which at least one lower shielding element 24b has a crank 62, 64, which allows receiving the first described angle connector 20a according to the invention.
  • FIG. 12 shows an isometric view of an advantageous embodiment of the rear shielding elements 26a, 26b, 38a, 38b, wherein in the exemplary embodiment shown in FIG. 12 the upper shield 22b of the corresponding angle connector 20b shown in FIGS. 7-11 is shown by way of example.
  • the embodiment relates to recesses 61b provided in the connecting surfaces 30b of the rear upper shielding member 26b.
  • two recesses 61 b are provided by way of example in each connecting surface 30b.
  • the recesses 61 b are preferably designed as bores, so that a simple and cost-effective implementation is possible.
  • the recesses 61 b allow precise focusing during laser welding. As a result, optimum welding of the rear upper shielding element 26a to the front upper shielding element 24b is achieved, whereby only a minimal amount of heat has to be supplied. As a result, not only the shielding elements 26b, 24b to be welded together, but in particular the connector housing 44b, which is not shown in FIG. 12, are subjected to very little thermal load.
  • such recesses 61b are also provided in the connecting surfaces 40b of the rear lower shielding element 38b shown in FIG.
  • FIG. 13 at least partially corresponds to the sectional image shown in FIG.
  • FIG. 13 shows a cut-through opening 61a in the rear upper shielding element 26a of the upper shield 22a of the angle connector 20a.
  • Fig. 6 shows a cut-through opening 62a provided in the connection surface 40a of the rear lower shielding member 38a.
  • FIG. 13 illustrates that the laser beam occurring during laser welding can penetrate the apertures 61a, 61b, 62a, 62b, strike the connecting surfaces 32a, 32b, 42a, 42b of the respective front shielding elements 24a, 24b, 36a, 36b and cause the welding.
  • FIG. 14 shows an isometric view of an angle connector 20a according to the invention in the inserted state with a corresponding angle connector 20b according to the invention.
  • openings 61a are provided in the connecting surfaces 30a of the rear upper shielding member 26a of the angle connector 20a
  • apertures 61b are provided in the connecting surfaces 30b of the rearward upper shielding member 26b of the corresponding angle connector 20b, respectively.
  • the apertures 62a, 62b described are likewise respectively provided. Not only the breakthroughs 61b exemplified in FIG.
  • the bore diameter may be, for example, 0.2 mm.

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The invention relates to a right-angle connector (20a, 20b), comprising a plurality of contact elements (50a, 50b) which are arranged next to one another and provided at the back of the right-angle connector (20a, 20b) for soldering to conductors of a printed circuit board (4), comprising an upper shielding (22a, 22b) arranged at least one the upper side of the right-angle connector (20a, 20b) and a lower shielding (34a, 34b) arranged on the lower side. The right-angle (20a, 20b) according to the invention is characterized in that the lower shielding (34a, 34b) contains a lower shielding element (36a, 36b) on the connector side, the shielding surface (37a, 37b) of said element being oriented in the connecting direction (28), the lower shielding (34a, 34b) furthermore contains a separate, rear lower shielding element (38a, 38b), and the lower shielding elements (36a, 36b, 38a, 38b) are electrically connected to each other. The method according to the invention for producing the right-angle connector (20a, 20b) uses a laser weld connection for at least the two lower shielding elements (36a, 36b, 38a, 38b). The right-angle connector (20a, 20b) according to the invention allows high-frequency signals to be conducted with high signal quality and high signal integrity. The shielding of the right-angle connector (20a, 20b) according to the invention can be produced in a cost-effective manner with the method according to the invention.

Description

Winkel-Steckverbinder mit einer Abschirmung und Verfahren zur Herstellung der Abschirmung des Winkel -Steckverbinders Angle connector with a shield and method of making the shield of the angle connector
Die Erfindung betrifft einen Winkel-Steckverbinder mit einer Abschirmung und ein Verfahren zur Herstellung der Abschirmung des Winkel-Steckverbinders.The invention relates to an angle connector with a shield and a method for producing the shield of the angle connector.
Stand der TechnikState of the art
Das Gebrauchsmuster gemäß DE 201 14 581 U1 zeigt einen Steckverbinder für ein Datenkabel nach US-Telekommunikationsnorm FCC 68.500, der als RJ 45- Steckverbinder bezeichnet wird. Im mittleren und hinteren Bereich des Steckverbinders sind die Kontaktelemente von einer hinten offenen Abschirmung umgeben, die aus einem Blechteil beispielsweise durch Biegung hergestellt ist. Die Abschirmung, welche die Seitenflächen sowie die Ober- und Unterseite des Steckverbindergehäuses abdeckt, kann einfach gefertigt werden, da der Steckverbinder als gerader Steckverbinder realisiert ist.The utility model according to DE 201 14 581 U1 shows a connector for a data cable according to US Telecommunication Standard FCC 68.500, which is referred to as RJ 45 connector. In the middle and rear region of the connector, the contact elements are surrounded by a shield which is open in the back, which is produced from a sheet metal part, for example by bending. The shield, which covers the side surfaces and the top and bottom of the connector housing, can be easily manufactured because the connector is realized as a straight connector.
Die DE 692 21 560 T2 beschreibt einen Steckverbinder, welcher den korrespondierenden Steckverbinder zu dem zuvor gemäß DE 201 14 581 U1 beschriebenen Steckverbinder bilden kann. Vorgesehen ist ein Abschirmblech, welches um das Steckverbindergehäuse im oberen Bereich und im hinteren Bereich gebogen wird. Eine Abschirmung auf der unteren Seite der Kontaktelemente ist nicht vorgesehen.DE 692 21 560 T2 describes a connector which can form the corresponding connector to the previously described in DE 201 14 581 U1 connector. A shielding plate is provided, which surrounds the connector housing in the upper area and in the rear Area is bent. A shield on the lower side of the contact elements is not provided.
In der DE 603 14 140 T2 ist ein impedanz-abgestimmter Steckverbinder beschrieben, der eine 2-teilige Abschirmung aufweist, wobei ein erstes Abschirmelement die Kontaktelemente im vorderen Bereich des Steckverbinders vollständig umschließt. Der gesamte Steckverbinder einschließlich des vorderen Abschirmelements ist von einem äußeren Abschirmblech umgeben, welches Prägungen und Aussparungen aufweist. Im hinteren Bereich der Kontaktelemente, der zur Verlötung mit Leiterbahnen einer Platine vorgesehen ist, weist das Abschirmelement Aussparungen auf, die ein Herausführen der Kontaktelemente aus dem Abschirmbereich ermöglichen.In DE 603 14 140 T2 an impedance-matched connector is described which has a 2-part shield, wherein a first shield completely surrounds the contact elements in the front region of the connector. The entire connector including the front shield is surrounded by an outer shield having embossments and recesses. In the rear region of the contact elements, which is provided for soldering with conductor tracks of a circuit board, the shielding element on recesses, which allow a lead out of the contact elements of the shielding.
Die DE 602 08 885 T2 beschreibt einen Steckverbinder, der ein Abschirmgehäuse enthält, welches die Seitenflächen und die Oberseite umschließt. Auf der Unterseite ist ebenfalls eine Abschirmung vorgesehen, die bei einem ersten Steckverbinder unmittelbar auf der Platine und bei einem korrespondierenden Steckverbinder auf der Unterseite des Kunststoff- Steckverbindergehäuses angeordnet ist. Auf der hinteren Seite des Steckverbinders weist das Abschirmelement Aussparungen auf, durch welche die Kontaktelemente aus dem Abschirmbereich geführt werden.DE 602 08 885 T2 describes a connector which contains a shielding housing, which encloses the side surfaces and the top. On the underside also a shield is provided, which is arranged at a first connector directly on the board and a corresponding connector on the underside of the plastic connector housing. On the rear side of the connector, the shielding element has recesses, through which the contact elements are guided out of the shielding region.
Auf Seite 81 des Katalogs E 074482 der Anmelderin Erni, 08/06, Edition 4, einzusehen unter www.erni.com, ist ein Winkel-Steckverbinder gemäß IEC 61076-4-101 beschrieben, bei dem sowohl auf der Oberseite als auch auf der Unterseite Abschirmungen vorgesehen sind, bei denen im vorderen steckerseitigen Bereich sowohl auf der Oberseite als auch auf der Unterseite Aussparungen herausgeschnitten und die verbleibenden Brücken zu Federn herausgewölbt sind. Die untere Abschirmung umschließt die Unterseite der zur Verlötung mit Leiterbahnen einer Platine vorgesehenen Endstücke der Kontaktelemente, sodass der bekannte Steckverbinder nur seitlich auf die Platine geschoben werden kann, weil die untere Abschirmung im montierten Zustand des Steckverbinders auf der Unterseite der Platine positioniert ist und dort vollständig den Kontaktierungsbereich abdeckt.On page 81 of the catalog E 074482 by the applicant Erni, 08/06, Edition 4, available at www.erni.com, an angle connector according to IEC 61076-4-101 is described, in which both on the top and on the Shields are provided on the underside cut out in the front plug-side area both on the top and on the bottom recesses and the remaining bridges are arched out to feathers. The lower shield surrounds the bottom of the provided for soldering with traces of a board end pieces of the Contact elements, so that the known connector can only be pushed laterally onto the board, because the lower shield is positioned in the mounted state of the connector on the underside of the board and there completely covers the contact area.
Die DE 695 24 935 T2 zeigt eine abgeschirmte Steckverbinderanordnung, die ein Verschweißen von Abschirmelementen miteinander vorsieht. Zugrunde liegt ein gerader Steckverbinder. Die Schweißverbindung ist zwischen Abschirmelementen vorgesehen, die auf der Außenseite des Steckverbinders frei zugänglich sind, sodass alternativ zur Schweißverbindung eine gelötete, eine geklebte oder eine anderweitige Fixiermöglichkeit vorgeschlagen werden. Die Verbindung kann auch vollständig entfallen und einfach durch die Stabilität der vollständig zusammengebauten Steckverbinderanordnung in ihrer Position gehalten werden.DE 695 24 935 T2 shows a shielded connector assembly, which provides a welding of shielding elements together. It is based on a straight connector. The welded connection is provided between shielding elements, which are freely accessible on the outside of the connector, so that a soldered, glued or otherwise fixing possibility is proposed as an alternative to the welded connection. The connection can also be completely eliminated and simply kept in position by the stability of the fully assembled connector assembly.
Der Erfindung liegt die Aufgabe zugrunde, einen einfach herzustellenden Winkel- Steckverbinder mit einer Abschirmung und ein Verfahren zur Herstellung der Abschirmung des Winkel-Steckverbinders anzugeben, die eine wirksame Abschirmung bis zu hohen Frequenzen der über den Winkel-Steckverbinder geführten Signale ermöglichen.The invention has for its object to provide an easy-to-manufacture angle plug connector with a shield and a method for producing the shield of the angle connector, which allow effective shielding up to high frequencies of the guided via the angle connector signals.
Die Aufgaben werden durch die in den nebengeordneten Ansprüchen angegebenen Merkmale jeweils gelöst.The objects are each achieved by the features specified in the independent claims.
Offenbarung der ErfindungDisclosure of the invention
Der erfindungsgemäße Winkel-Steckverbinder mit einer Vielzahl von nebeneinander angeordneten Kontaktelementen, die auf der hinteren Seite des Winkel-Steckverbinders zur Verlötung mit Leiterbahnen einer Platine vorgesehen sind, mit einer zumindest auf der Oberseite des Winkel-Steckverbinders angeordneten oberen Abschirmung und mit einer auf der Unterseite angeordneten unteren Abschirmung zeichnet sich dadurch aus, dass die untere Abschirmung ein steckseitiges unteres Abschirmelement enthält, dessen Abschirmfläche in Steckrichtung orientiert ist, dass die untere Abschirmung weiterhin ein separates hinteres unteres Abschirmelement enthält und dass die unteren Abschirmelemente elektrisch miteinander verbunden sind.The angle connector according to the invention with a plurality of juxtaposed contact elements, which are provided on the rear side of the angle connector for soldering to conductor tracks of a circuit board, with at least on the top of the angle connector arranged upper shield and with a arranged on the bottom lower shield is characterized in that the lower shield includes a plug-side lower shielding, the shielding surface is oriented in the insertion direction, that the lower shield further includes a separate rear lower shielding element and that the lower shielding electrically connected to each other.
Der erfindungsgemäße Winkel-Steckverbinder ermöglicht die Realisierung einer hochwertigen Abschirmung. Erreicht wird insbesondere ein homogener Induktivitätsbelag innerhalb des Steckverbinders. Der erfindungsgemäße Winkel- Steckverbinder ist besonders geeignet zur Führung von hochfrequenten Signalen. Beispielsweise kann ein Digitalsignal bei einer Datenrate bis zu 10 Gigabit mit hoher Güte geführt werden, wobei gleichzeitig eine hohe Signalintegrität sichergestellt ist. Der erfindungsgemäße Winkel-Steckverbinder eignet sich daher insbesondere für signalverarbeitende Anordnungen, bei denen beispielsweise Platinen mit einer Backplane verbunden werden sollen.The angle connector according to the invention enables the realization of a high quality shielding. In particular, a homogeneous inductance coating within the connector is achieved. The angle connector according to the invention is particularly suitable for guiding high-frequency signals. For example, a digital signal at a data rate of up to 10 Gigabit can be performed with high quality, while ensuring high signal integrity. The angle connector according to the invention is therefore particularly suitable for signal processing arrangements in which, for example, boards are to be connected to a backplane.
Aufgrund der zumindest 2-teiligen Ausführung der unteren Abschirmung ist eine besonders einfache Montage der Abschirmung des erfindungsgemäßen Winkel- Steckverbinders möglich. Zumindest ein unteres Abschirmelement, vorzugsweise zumindest das hintere untere Abschirmelement können vor der Herstellung der elektrischen Verbindung während der Montage wenigstens teilweise in einem Steckverbindergehäuse positioniert sein. Der erfindungsgemäße Winkel- Steckverbinder kann trotz seiner hochwertigen Ausführung kostengünstig hergestellt werden. Dadurch eignet sich der erfindungsgemäße Winkel- Steckverbinder insbesondere für eine kostensensitive Serienfertigung.Due to the at least 2-part design of the lower shield a particularly simple installation of the shield of the angle connector according to the invention is possible. At least one lower shielding element, preferably at least the rear lower shielding element, may be at least partially positioned in a connector housing prior to manufacture of the electrical connection during assembly. The angle plug connector according to the invention can be produced inexpensively despite its high-quality design. As a result, the angle connector according to the invention is particularly suitable for cost-sensitive mass production.
Vorteilhafte Weiterbildungen und Ausgestaltungen des erfindungsgemäßen Winkel- Steckverbinders ergeben sich aus abhängigen Ansprüchen. Eine erste Ausgestaltung sieht vor, dass die Abschirmfläche des hinteren unteren Abschirmelements senkrecht zur Steckrichtung orientiert ist. Diese Ausgestaltung eignet sich insbesondere für einen 90°-Winkel-Steckverbinder.Advantageous developments and refinements of the angle connector according to the invention will become apparent from the dependent claims. A first embodiment provides that the shielding surface of the rear lower shielding element is oriented perpendicular to the direction of insertion. This embodiment is particularly suitable for a 90 ° angle connector.
Eine andere Ausgestaltung sieht vor, dass die Abschirmfläche des hinteren unteren Abschirmelements zumindest abschnittsweise parallel zu den Kontaktelementen orientiert ist. Mit dieser Maßnahme wird eine hohe Güte des Winkel- Steckverbinders hinsichtlich des homogenen Induktivitätsverlaufs innerhalb des Winkel-Steckverbinders auch bei Winkeln ungleich 90° erzielt.Another embodiment provides that the shielding surface of the rear lower shielding element is oriented at least in sections parallel to the contact elements. With this measure, a high quality of the angle connector is achieved with respect to the homogeneous Induktivitätsverlaufs within the angle connector even at angles not equal to 90 °.
Eine Ausgestaltung sieht vor, dass das hintere untere Abschirmelement wenigstens näherungsweise bis zum Lötanschluss der Kontaktelemente des Winkel- Steckverbinders geführt ist. Damit wird einerseits eine vollständige Abschirmung der Kontaktelemente bis an die Platine erreicht. Andererseits kann die Platine von oben mit dem erfindungsgemäßen Winkel-Steckverbinder bestückt werden.An embodiment provides that the rear lower shielding is at least approximately guided to the solder connection of the contact elements of the angle connector. Thus, on the one hand, a complete shielding of the contact elements is achieved up to the board. On the other hand, the board can be fitted from above with the angle connector according to the invention.
Eine besonders vorteilhafte Ausgestaltung sieht vor, dass die unteren Abschirmelemente jeweils Verbindungsflächen aufweisen, die zur elektrischen Verbindung der unteren Abschirmelemente miteinander verschweißt sind. Mit dieser Maßnahme wird eine besonders einfache Montage des erfindungsgemäßen Winkel-Steckverbinders möglich.A particularly advantageous embodiment provides that the lower shielding elements each have connecting surfaces which are welded together for electrical connection of the lower shielding elements. With this measure, a particularly simple assembly of the angle connector according to the invention is possible.
Eine Ausgestaltung sieht die Realisierung der Verbindungsflächen als ebene Verbindungsflächen vor. Vorzugsweise ist vorgesehen, dass das steckerseitige untere Abschirmelement eine homogene Verbindungsfläche ohne Ausnehmungen oder Aussparungen aufweist, die sich über eine Mehrzahl von Kontaktelementen, vorzugsweise über sämtliche Kontaktelemente erstreckt. Diese Maßnahme trägt ebenfalls zur Realisierung einer möglichst vollständigen Abschirmung der Kontaktelemente bei. Wie bereits erwähnt, kann zumindest ein unteres Abschirmelement zumindest teilweise innerhalb eines Steckverbindergehäuses angeordnet sein. Eine Ausgestaltung sieht vor, dass das hintere untere Abschirmelement zumindest im Bereich der Verbindung mit dem steckseitigen unteren Abschirmelement innerhalb des Steckverbindergehäuses angeordnet ist.One embodiment provides for the realization of the connecting surfaces as planar connecting surfaces. It is preferably provided that the plug-side lower shielding element has a homogeneous connection surface without recesses or recesses, which extends over a plurality of contact elements, preferably over all contact elements. This measure also contributes to the realization of a complete shielding of the contact elements. As already mentioned, at least one lower shielding element can be arranged at least partially within a connector housing. An embodiment provides that the rear lower shielding element is arranged at least in the region of the connection with the plug-side lower shielding element within the connector housing.
Eine Weiterbildung diese Ausgestaltung sieht vor, dass das hintere untere Abschirmelement eine Mehrzahl von separat herausgebildeten Verbindungsflächen aufweist und dass das Steckverbindergehäuse zu den Verbindungsflächen korrespondierende separate Ausnehmungen zur Führung und zumindest teilweisen Aufnahme des hinteren unteren Abschirmelements aufweist.A further development of this embodiment provides that the rear lower shielding element has a plurality of separately formed connecting surfaces and that the connector housing has separate recesses corresponding to the connecting surfaces for guiding and at least partially receiving the rear lower shielding element.
Eine andere Ausgestaltung sieht vor, dass die obere Abschirmung ein steckseitiges oberes und hinteres oberes Abschirmelement enthält, die elektrisch miteinander verbunden sind. Die zumindest 2-teilige Ausgestaltung ermöglicht eine einfache Realisierung der Abschirmung, wobei beispielsweise das steckseitige obere Abschirmelement zumindest teilweise innerhalb des Steckverbindergehäuses angeordnet sein kann.Another embodiment provides that the upper shield includes a plug-side upper and rear upper shielding element, which are electrically connected to each other. The at least two-part design allows a simple realization of the shield, wherein, for example, the plug-side upper shielding element can be arranged at least partially within the connector housing.
Eine vorteilhafte Weiterbildung dieser Ausgestaltung sieht vor, dass die oberen Abschirmelemente Verbindungsflächen aufweisen, die zur elektrischen Verbindung der oberen Abschirmelemente miteinander verschweißt sind. Dadurch können sowohl die unteren als auch die oberen Abschirmelemente mit derselben Technik bearbeitet werden.An advantageous development of this embodiment provides that the upper shielding elements have connecting surfaces which are welded together for electrical connection of the upper shielding elements. As a result, both the lower and the upper shielding elements can be processed with the same technique.
Eine weitere Ausgestaltung sieht vor, dass wenigstens ein steckseitiges Abschirmelement eine Aufweitungs-Kröpfung aufweist und/oder dass das obere und/oder untere steckseitige Abschirmelement zur Klemmung eines korrespondierenden Abschirmelements eines korrespondierenden Steckverbinders Federzungen aufweist. Die wenigstens eine Aufweitungs-Kröpfung ermöglicht ein Eintauchen eines Steckverbinders in den korrespondierenden Steckverbinder. Die Federzungen verbessern einerseits den elektrischen Kontakt zwischen den beiden Steckverbindern und stellen andererseits eine Klemmkraft im gesteckten Zustand der Steckverbinder bereit.A further embodiment provides that at least one plug-side shielding element has a widening offset and / or that the upper and / or lower plug-side shielding element has spring tongues for clamping a corresponding shielding element of a corresponding connector. The at least one widening crank enables immersion of a connector in the corresponding connector. The On the one hand spring tongues improve the electrical contact between the two connectors and on the other hand provide a clamping force in the inserted state of the connector.
Das erfindungsgemäße Verfahren zur Herstellung des Winkel-Steckverbinders sieht eine Schweißverbindung zumindest der unteren Abschirmelemente mittels Laserschweißens zuvor. Das Laserschweißen bietet die Möglichkeit zur Herstellung des elektrischen Kontakts zwischen den unteren Abschirmelementen auch an schwer zugänglichen Stellen innerhalb des Steckverbindergehäuses. Sofern die Verbindungsflächen der unteren Abschirmungen innerhalb des Steckverbindergehäuses liegen, kann der Laserstrahl durch eine vorhandene Öffnung im Steckverbindergehäuse bis an die Verbindungsstelle herangeführt werden.The inventive method for producing the angle connector provides a welded connection at least the lower shielding by means of laser welding previously. The laser welding offers the possibility of establishing the electrical contact between the lower shielding elements even in hard to reach places within the connector housing. If the connecting surfaces of the lower shields are within the connector housing, the laser beam can be introduced through an existing opening in the connector housing to the connection point.
Gemäß einer Ausgestaltung des erfindungsgemäßen Verfahrens ist der Einsatz eines insbesondere gepulst betriebenen Neodym-YAG-Lasers vorgesehen.According to one embodiment of the method according to the invention, the use of a particularly pulsed-operated neodymium-YAG laser is provided.
Eine vorteilhafte Ausgestaltung des erfindungsgemäßen Winkel-Steckverbinders, die insbesondere in Verbindung mit dem erfindungsgemäßen Herstellungsverfahren mittels Laserschweißens vorgesehen ist, sieht wenigstens einen Durchbruch in wenigstens einer Verbindungsfläche des unteren und/oberen hinteren Abschirmelements vor, der vorzugsweise als Bohrung ausgeführt ist. Die Durchbrüche ermöglichen eine präzise Fokussierung des Laserstrahls. Insbesondere wird eine optimale Verschweißung mit einer minimalen Wärmemenge erreicht, wodurch nicht nur die verschweißten Abschirmelemente, sondern insbesondere die aus Kunststoff hergestellten Steckverbindergehäuse während der Verschweißung geschont werden.An advantageous embodiment of the angle connector according to the invention, which is provided in particular in connection with the manufacturing method according to the invention by means of laser welding, provides at least one breakthrough in at least one connecting surface of the lower and / or upper rear shield, which is preferably designed as a bore. The apertures allow precise focusing of the laser beam. In particular, optimum welding is achieved with a minimum amount of heat, whereby not only the welded shielding elements, but in particular the connector housing made of plastic during the welding are spared.
Weitere vorteilhafte Weiterbildungen und Ausgestaltungen des erfindungsgemäßen Winkel-Steckverbinders sowie des Verfahrens ergeben sich aus der folgenden Beschreibung. Ausführungsbeispiele der Erfindung sind in der Zeichnung dargestellt und in der nachfolgenden Beschreibung näher erläutert.Further advantageous developments and refinements of the angle connector according to the invention and the method will become apparent from the following Description. Embodiments of the invention are illustrated in the drawings and explained in more detail in the following description.
Es zeigen:Show it:
Figur 1 ein Schnittbild durch einen aus dem Stand der Technik bekannten Winkel- Steckverbinder,1 shows a sectional view through an angle connector known from the prior art,
Figur 2 eine erste Ansicht auf die Vorder- und Oberseite eines erfindungsgemäßen Winkel-Steckverbinders,FIG. 2 shows a first view of the front and top side of an angle connector according to the invention,
Figur 3 eine Explosionsdarstellung des in Figur 2 gezeigten Winkel- Steckverbinders,3 shows an exploded view of the angle connector shown in FIG. 2, FIG.
Figur 4 eine zweite Ansicht auf die Unter- und Rückseite des Winkel- Steckverbinders,FIG. 4 shows a second view of the lower and rear sides of the angle connector,
Figur 5 eine Explosionsdarstellung des in Figur 4 gezeigten Winkel- Steckverbinders,5 shows an exploded view of the angle connector shown in FIG. 4, FIG.
Figur 6 ein vereinfachtes Schnittbild durch den Winkel-Steckverbinder, Figur 7 eine erste Ansicht auf die Rück- und Oberseite eines korrespondierenden Winkel-Steckverbinders,6 shows a simplified sectional view through the angle connector, FIG. 7 shows a first view of the back and top of a corresponding angle connector,
Figur 8 eine Explosionsdarstellung des in Figur 7 gezeigten korrespondierenden Winkel-Steckverbinders,8 shows an exploded view of the corresponding angle connector shown in FIG. 7, FIG.
Figur 9 eine zweite Ansicht auf die Rück- und Unterseite des korrespondierenden Winkel-Steckverbinders,9 shows a second view of the rear and underside of the corresponding angle connector, FIG.
Figur 10 eine Explosionsdarstellung des in Figur 9 gezeigten korrespondierenden Winkel-Steckverbinders Figur 11 ein vereinfachtes Schnittbild durch den korrespondierenden Winkel-Steckverbinder, Figur 11 ein vereinfachtes Schnittbild durch den in Figur 7 gezeigten korrespondierenden Winkel-Steckverbinder,11 shows a simplified sectional view through the corresponding angle plug connector, FIG. 11 shows a simplified sectional view through the corresponding angle plug connector shown in FIG. 7,
Figur 12 eine isometrische Ansicht von Abschirmelementen des in Figur 7 gezeigten korrespondierenden Winkel-Steckverbinders, die eine spezielle Ausgestaltung von Verbindungsflächen zeigt, Figur 13 ein vereinfachtes Schnittbild durch den Winkel-Steckverbinder entsprechend Figur 6, welche eine der in Figur 12 gezeigten entsprechende Ausgestaltung von Verbindungsflächen zeigt undFIG. 12 is an isometric view of shield members of the corresponding angle connector shown in FIG. 7, showing a particular configuration of bonding surfaces. Figure 13 is a simplified sectional view through the angle connector according to Figure 6, which shows one of the corresponding embodiment of connecting surfaces shown in Figure 12 and
Figur 14 eine isometrische Ansicht eines Winkel-Steckverbinders im gesteckten Zustand mit einem korrespondierenden Winkel-Steckverbinder.Figure 14 is an isometric view of an angle connector in the mated condition with a corresponding angle connector.
Figur 1 zeigt ein Schnittbild durch einen im eingangs genannten Katalog E 074482 der Anmelderin beschriebenen Winkel-Steckverbinder 1 , bei dem eine Vielzahl von übereinander angeordneten Kontaktelementen 2 vorgesehen ist, die auf der hinteren unteren Seite 3 des Winkel- Steckverbinders 1 zur Verlötung mit nicht sichtbaren Leiterbahnen einer Platine 4 vorgesehen sind.Figure 1 shows a sectional view through a described in the above-mentioned catalog E 074482 Applicant angle connector 1, in which a plurality of stacked contact elements 2 is provided on the rear lower side 3 of the angle connector 1 for soldering with non-visible Printed conductors of a circuit board 4 are provided.
Die Kontaktelemente 2 sind in einem isolierenden Steckverbindergehäuse 5 untergebracht, das von einer Abschirmung 6, 7 abgeschirmt ist, die vereinfacht dargestellt ist. Die Abschirmung setzt sich aus einer oberen Abschirmung 6 und einer unteren Abschirmung 7 zusammen. Im vorderen steckseitigen Bereich sind sowohl auf der Oberseite als auch auf der Unterseite Aussparungen aus der Abschirmung 6, 7 herausgeschnitten und die verbleibenden Brücken zu Federzungen 8, 9 herausgewölbt, die eine zuverlässige Kontaktierung sowie eine Klemmung der Abschirmung eines korrespondierenden Steckverbinders ermöglichen. Die untere Abschirmung 7 umschließt die Unterseite der zur Verlötung mit den nicht gezeigten Leiterbahnen der Platine 4 vorgesehenen Endstücken 10 der Kontaktelemente 2 und deckt im montierten Zustand des Winkel- Steckverbinders 1 den gesamten Kontaktierungsbereich auf der Unterseite der Platine 4 ab.The contact elements 2 are housed in an insulating connector housing 5, which is shielded by a shield 6, 7, which is shown in simplified form. The shield is composed of an upper shield 6 and a lower shield 7. In the front plug-side area recesses are cut out of the shield 6, 7 on both the top and on the bottom and the remaining bridges to spring tongues 8, 9 bulged out, which allow reliable contact and clamping of the shield of a corresponding connector. The lower shield 7 encloses the underside of the end pieces 10 of the contact elements 2 provided for soldering to the printed conductors of the printed circuit board 4 which are not shown, and covers the entire contacting region on the underside of the printed circuit board 4 in the mounted state of the angular connector 1.
Figur 2 zeigt einen erfindungsgemäßen Winkel-Steckverbinder 20a, der eine Vielzahl von nebeneinander angeordneten, nicht sichtbaren Kontaktelementen enthält, wobei im gezeigten Ausführungsbeispiel weiterhin zwei übereinander angeordnete Reihen von Kontaktelementen vorgesehen sind. Der erfindungsgemäße Winkel-Steckverbinder 20a enthält eine obere Abschirmung 22a, die im gezeigten Ausführungsbeispiel aus einem steckseitigen oberen Abschirmelement 24a mit einer Abschirmfläche 25a und einem hinteren oberen Abschirmelement 26a zusammengesetzt ist.Figure 2 shows an inventive angle connector 20a, which contains a plurality of juxtaposed, invisible contact elements, wherein in the illustrated embodiment further two superimposed rows of contact elements are provided. The angle connector 20a according to the invention includes an upper shield 22a, which in the illustrated embodiment is composed of a plug-side upper shielding element 24a with a shielding surface 25a and a rearward upper shielding element 26a.
Im gezeigten Ausführungsbeispiel liegt der Übergang zwischen den oberen Abschirmelementen 24a, 26a näherungsweise in der Mitte der Oberfläche bezogen auf die Steckrichtung 28.In the exemplary embodiment shown, the transition between the upper shielding elements 24a, 26a is approximately in the middle of the surface with respect to the plugging direction 28.
Gemäß einem Ausführungsbeispiel ist vorgesehen, dass das in Stechrichtung 28 hintere obere Abschirmelement 26a separat herausgebildete Verbindungsflächen 30a aufweist, welche die elektrische Verbindung zu dem steckseitigen oberen Abschirmelement 24a im montierten Zustand des Winkel-Steckverbinders 20a herstellen. Gegebenenfalls können am steckseitigen oberen Abschirmelement 24a ebenfalls separat herausgebildete Verbindungsflächen 32a vorgesehen sein, die zu den Verbindungsflächen 30a des hinteren oberen Abschirmelements 26a korrespondieren.According to one exemplary embodiment, it is provided that the upper shielding element 26a in the lancing direction 28 has separately formed connecting surfaces 30a, which establish the electrical connection to the plug-side upper shielding element 24a in the mounted state of the angle connector 20a. Optionally, separately formed connecting surfaces 32a may be provided on the plug-side upper shielding member 24a, which correspond to the connecting surfaces 30a of the rear upper shielding member 26a.
Der erfindungsgemäße Winkel-Steckverbinder 20a enthält weiterhin eine untere Abschirmung 34a, die aus einem steckseitigen unteren Abschirmelement 36a mit einer Abschirmfläche 37a und einem hinteren unteren Abschirmelement 38a zusammengesetzt ist, wobei die Abschirmfläche 37a des steckseitigen unteren Abschirmelements 36a wenigstens näherungsweise in Steckrichtung 28 orientiert ist.The angle connector 20a according to the invention further includes a lower shield 34a, which is composed of a plug-side lower shielding element 36a with a shielding surface 37a and a rear lower shielding element 38a, wherein the shielding surface 37a of the plug-side lower shielding element 36a is oriented at least approximately in the insertion direction 28.
Die untere Abschirmung 34a ist in der in Figur 2 gezeigten Ansicht der Vorder- und Oberseite des erfindungsgemäßen Winkel-Steckverbinders 20a nur andeutungsweise zu sehen. Zur Verdeutlichung ist deshalb in Figur 3 eine Explosionsdarstellung des in Figur 2 gezeigten Winkel-Steckverbinders 20a gezeigt. Diejenigen in Figur 3 gezeigten Teile, die mit den in Figur 2 gezeigten Teilen übereinstimmen, sind jeweils mit denselben Bezugszeichen bezeichnet. Diese Vereinbarung gilt auch für die folgenden Figuren.The lower shield 34a is only hinted at in the view shown in Figure 2 of the front and top of the angle connector 20a according to the invention. For clarity, an exploded view of the angle connector 20a shown in FIG. 2 is therefore shown in FIG. Those parts shown in Figure 3, with the in Figure 2 Parts shown are each designated by the same reference numerals. This agreement also applies to the following figures.
Figur 3 verdeutlicht insbesondere die 2-teilige Ausgestaltung der unteren Abschirmung 34a mit dem steckseitigen unteren Abschirmelement 36a und dem hinteren unteren Abschirmelement 38a.FIG. 3 illustrates, in particular, the two-part configuration of the lower shield 34a with the plug-in lower shielding element 36a and the rear lower shielding element 38a.
Figur 3 zeigt eine vorteilhafte Ausgestaltung des hinteren unteren Abschirmelements 38a mit einer Abschirmfläche 39a, welches separat herausgebildete Verbindungsflächen 40a aufweist, die zur Herstellung der elektrischen Verbindung mit dem steckseitigen unteren Abschirmelement 36a vorgesehen sind. Das steckseitige untere Abschirmelement 36a weist hierzu wenigstens eine korrespondierende Verbindungsfläche 42a auf, wobei im gezeigten Ausführungsbeispiel eine homogene Fläche ohne Aussparungen oder Ausnehmungen vorgesehen ist, die sich über das gesamte hintere Ende des steckseitigen unteren Abschirmelements 36a erstreckt. Gemäß einer Ausgestaltung kann vorgesehen sein, dass das steckseitige untere Abschirmelement 36a ebenfalls zu den separat herausgebildeten Verbindungsflächen 40a des hinteren unteren Abschirmelements 38a korrespondierende, separat herausgebildete Verbindungsflächen aufweist.FIG. 3 shows an advantageous embodiment of the rear lower shielding element 38a with a shielding surface 39a, which has separately formed connecting surfaces 40a, which are provided for establishing the electrical connection with the plug-side lower shielding element 36a. For this purpose, the plug-side lower shielding element 36a has at least one corresponding connecting surface 42a, wherein in the exemplary embodiment shown a homogeneous surface without recesses or recesses is provided, which extends over the entire rear end of the plug-side lower shielding element 36a. According to one embodiment, it may be provided that the plug-side lower shielding element 36a likewise has connecting surfaces which have been formed separately on the separately formed connecting surfaces 40a of the rear lower shielding element 38a.
Figur 3 gibt einen vollständigen Blick auf das Steckverbindergehäuse 44a frei, in welchem die nicht sichtbaren Kontaktelemente untergebracht sind.FIG. 3 shows a complete view of the connector housing 44a, in which the invisible contact elements are accommodated.
Die 2-teilige Ausgestaltung der unteren Abschirmung 34a ermöglicht es, dass sowohl das steckseitige untere Abschirmelement 36a als auch insbesondere das hintere untere Abschirmelement 38a zumindest teilweise innerhalb des Steckverbindergehäuses 44a angeordnet werden können, wobei die elektrische Verbindung zwischen den beiden unteren Abschirmelementen 36a, 38a erst nach dem Einsetzen in das Steckverbindergehäuse 44a hergestellt werden kann. Figur 4 zeigt eine zweite Ansicht auf die Unter- und Rückseite des erfindungsgemäßen Winkel-Steckverbinders 20a. Aus Figur 4 geht insbesondere die Positionierung der Verbindungsflächen 40a des hinteren unteren Abschirmelements 38a hervor, die im montierten Zustand des hinteren unteren Abschirmelements 38a in Aussparungen 46a des Steckverbindergehäuses 44a positioniert sind. Die in Figur 4 gezeigte zweite Ansicht gibt einen Blick auf die Lötanschlüsse 48a der im Steckverbindergehäuse 44a untergebrachten Kontaktelemente 50a frei.The two-part design of the lower shield 34a allows both the plug-side lower shielding element 36a and, in particular, the rear lower shielding element 38a to be arranged at least partially within the plug connector housing 44a, the electrical connection between the two lower shielding elements 36a, 38a being only can be made after insertion into the connector housing 44a. Figure 4 shows a second view of the bottom and back of the angle connector 20a according to the invention. FIG. 4 shows in particular the positioning of the connecting surfaces 40a of the rear lower shielding element 38a, which are positioned in recesses 46a of the connector housing 44a in the assembled state of the rear lower shielding element 38a. The second view shown in FIG. 4 reveals a view of the solder connections 48a of the contact elements 50a accommodated in the connector housing 44a.
Zur Verdeutlichung der Montage insbesondere des hinteren unteren Abschirmelements 38a ist in Figur 5 eine Explosionsdarstellung des in Figur 4 gezeigten Winkel-Steckverbinders 20a gezeigt. Figur 5 verdeutlicht insbesondere die Anordnung der Aussparungen 46a im Steckverbindergehäuse 44a.To illustrate the assembly, in particular of the rear lower shielding element 38a, an exploded view of the angle connector 20a shown in FIG. 4 is shown in FIG. FIG. 5 particularly illustrates the arrangement of the recesses 46a in the connector housing 44a.
Der erfindungsgemäßen Winkel-Steckverbinder 20a ermöglicht insbesondere die Realisierung einer hochwertigen Abschirmung 22a, 34a. Speziell wird ein homogener Induktivitätsbelag innerhalb des Winkel-Steckverbinders 20a erreicht. Dadurch eignet sich der erfindungsgemäßen Winkel-Steckverbinder 20a besonders zur Führung von hochfrequenten Signalen. Der erfindungsgemäße Winkel-Steckverbinder 20a eignet sich insbesondere für Verbindungen zwischen signalverarbeitenden Anordnungen, wobei über die Steckverbindung digitale Signale mit Datenraten bis zu 10 Gigabit mit hoher Signalintegrität geführt werden können. Die frequenzabhängige Signaldämpfung tritt erst bei sehr hohen Frequenzen auf. Insbesondere kann ein ortsabhängig konstanter Wellenwiderstand innerhalb des erfindungsgemäßen Winkel-Steckverbinders 20a aufgrund der hochwertigen Abschirmung 22a, 34a durch insbesondere die 2-teilige Ausgestaltung der unteren Abschirmung 34a erzielt werden, der insbesondere zur Minimierung ortsabhängiger Signalreflexionen und dadurch bedingter Signalverfälschungen beiträgt.The angle connector 20a according to the invention enables, in particular, the realization of a high-quality shield 22a, 34a. Specifically, a homogeneous inductance coating within the angle connector 20a is achieved. As a result, the angle connector 20a according to the invention is particularly suitable for guiding high-frequency signals. The angle connector 20a according to the invention is particularly suitable for connections between signal processing arrangements, wherein via the connector digital signals with data rates up to 10 gigabits with high signal integrity can be performed. The frequency-dependent signal attenuation occurs only at very high frequencies. In particular, a location-dependent constant characteristic impedance can be achieved within the angle connector 20a according to the invention due to the high-quality shielding 22a, 34a, in particular the 2-part configuration of the lower shield 34a, which in particular for minimization Site-dependent signal reflections and consequent signal distortions contributes.
Weiterhin ist aufgrund der 2-teiligen Ausführung der unteren Abschirmung 34a eine einfache Montage der unteren Abschirmung 34a möglich, insbesondere dann, wenn sich das steckerseitige untere Abschirmelement 36a und insbesondere das hintere untere Abschirmelement 38a zumindest teilweise innerhalb des Steckverbindergehäuses 44a angeordnet sind.Furthermore, due to the 2-part design of the lower shield 34a, a simple mounting of the lower shield 34a is possible, especially if the plug-side lower shielding element 36a and in particular the rear lower shielding element 38a are at least partially disposed within the connector housing 44a.
Gemäß einer vorteilhaften Ausgestaltung, die den Figuren 2 - 5 zugrunde gelegt ist, ist vorgesehen, dass die Abschirmfläche 39a des hinteren unteren Abschirmelements 38a wenigstens näherungsweise senkrecht zur Steckrichtung 28 orientiert ist. Diese Ausgestaltung eignet sich daher insbesondere für einen 90°-Winkel-Steckverbinder 20a.According to an advantageous embodiment, which is based on FIGS. 2 to 5, it is provided that the shielding surface 39a of the rear lower shielding element 38a is oriented at least approximately perpendicular to the plugging direction 28. This embodiment is therefore particularly suitable for a 90 ° angle connector 20a.
Eine andere Ausgestaltung sieht vor, dass die Abschirmfläche 39a des hinteren unteren Abschirmelements 38a zumindest abschnittsweise parallel zu den Kontaktelementen 50a orientiert ist. Dadurch wird eine hohe Güte des Winkel-Steckverbinders 20a hinsichtlich des homogenen Induktivitätsverlaufs innerhalb des Winkel-Steckverbinders 20a auch bei Winkeln ungleich 90° erzielt, sofern ein Winkel von ungleich 90° vorgesehen ist.Another embodiment provides that the shielding surface 39a of the rear lower shielding element 38a is oriented at least in sections parallel to the contact elements 50a. As a result, a high quality of the angle connector 20a with respect to the homogeneous Induktivitätsverlaufs within the angle connector 20a is achieved even at angles not equal to 90 °, provided that an angle of not equal to 90 ° is provided.
Im gezeigten Ausführungsbeispiel des erfindungsgemäßen Winkel- Steckverbinders 20a ist davon ausgegangen, das das hintere untere Abschirmelement 38a wenigstens näherungsweise bis zum Lötanschluss 48a der Kontaktelemente 50a geführt ist. Dadurch wird eine vollständige Abschirmung der Kontaktelemente 50a bis an die nicht näher gezeigte Platine erreicht. Weiterhin kann durch diese Ausgestaltung die Platine mit dem erfindungsgemäßen Winkel-Steckverbinder 20a von oben bestückt werden. Eine ganz besonders vorteilhafte Ausgestaltung sieht vor, dass die Verbindungsfläche 40a des hinteren unteren Abschirmelements 38a beziehungsweise die Verbindungsfläche 42a des steckseitigen unteren Abschirmelements 36a zur Herstellung der elektrischen Verbindung der Abschirmelemente 36a, 38a miteinander verschweißt sind.In the illustrated embodiment of the angle connector 20a according to the invention, it is assumed that the rear lower shielding element 38a is guided at least approximately to the soldering terminal 48a of the contact elements 50a. As a result, a complete shielding of the contact elements 50a is achieved to the circuit board not shown in detail. Furthermore, the board can be equipped with the angle connector 20a according to the invention from above by this embodiment. A particularly advantageous embodiment provides that the connecting surface 40a of the rear lower shielding element 38a or the connecting surface 42a of the plug-side lower shielding element 36a for producing the electrical connection of the shielding elements 36a, 38a are welded together.
Eine derartige Schweißverbindung kann vorteilhafterweise auch zur Verschweißung der oberen Abschirmelemente 24a, 26a vorgesehen sein, sofern die obere Abschirmung 22a mehrteilig ausgestaltet ist. Die Schweißverbindung wird in diesem Fall zwischen den gegebenenfalls vorhandenen Verbindungsflächen 30a des hinteren oberen Abschirmelements 26a mit der korrespondierenden Verbindungsfläche 32a des steckseitigen oberen Abschirmelements 24a hergestellt.Such a welded connection can advantageously also be provided for welding the upper shielding elements 24a, 26a, provided that the upper shielding 22a is configured in several parts. In this case, the welded connection is established between the optional connecting surfaces 30a of the rear upper shielding element 26a with the corresponding connecting surface 32a of the plug-side upper shielding element 24a.
Das erfindungsgemäße Verfahren zur Herstellung des erfindungsgemäßen Winkel-Steckverbinders 20a sieht die Herstellung der Schweißverbindung der unteren Abschirmelemente 36a, 38a und gegebenenfalls der oberen Abschirmelemente 24a, 26a mittels Laserschweißens vor. Das Laserschweißen ermöglicht insbesondere die Herstellung der Schweißverbindung, wenn bei der Montage die unteren Abschirmelemente 36a, 38a bereits innerhalb des Steckverbindergehäuses 44a zur Herstellung der elektrischen Verbindung angeordnet sind.The inventive method for producing the angle connector 20a according to the invention provides for the production of the welded connection of the lower shielding elements 36a, 38a and possibly the upper shielding elements 24a, 26a by means of laser welding. In particular, the laser welding makes it possible to produce the welded connection when, during assembly, the lower shielding elements 36a, 38a are already arranged within the connector housing 44a for the purpose of establishing the electrical connection.
Hierbei kann die Verschweißung durch die Aussparungen 46a im Steckverbindergehäuse 44a vorgenommen werden.In this case, the welding can be performed by the recesses 46a in the connector housing 44a.
Sofern eine Sichtverbindung von der Vorderseite des Winkel-Steckverbinders 20a in Steckrichtung 28 auf die Oberseite der Verbindungsfläche 42a des steckseitigen unteren Abschirmelements 36a besteht, kann die Herstellung der Verschweißung der Abschirmelemente 36a, 38a der unteren Abschirmung 34a durch die Kontaktkammern von der Vorderseite des Winkel-Steckverbinders 20a erfolgen. Für die Herstellung der Verschweißung ist insbesondere ein Neodym-YAG-Laser vorgesehen. Ein derartiger Laser weist den Vorteil einer guten Dosierbarkeit der Energie auf. Besonders vorteilhaft ist ein gepulster Betrieb mit Impulsdauern, die hinab bis in den Femto-Sekundenbereich reichen können. Dieser Laser eignet sich auch zur Oberflächenbearbeitung der Abschirmelemente 24a, 26a, 36a, 38a.If a line of sight from the front of the angle connector 20a in the insertion direction 28 on the top of the connecting surface 42a of the plug-side lower shield 36a, the production of the welding of the shielding 36a, 38a of the lower shield 34a through the contact chambers from the front of the Angle connector 20a done. For the production of the weld, in particular a neodymium-YAG laser is provided. Such a laser has the advantage of a good metering of the energy. Particularly advantageous is a pulsed operation with pulse durations that can reach down to the femtosecond range. This laser is also suitable for surface treatment of the shielding elements 24a, 26a, 36a, 38a.
Das in Figur 6 gezeigte vereinfachte Schnittbild durch den erfindungsgemäßen Winkel-Steckverbinder 20a verdeutlicht die Positionierung insbesondere der beiden Abschirmelemente 36a, 38a der unteren Abschirmung 34a.The simplified sectional view shown in FIG. 6 by the angle connector 20a according to the invention clarifies the positioning, in particular of the two shielding elements 36a, 38a of the lower shield 34a.
Die wenigstens eine Verbindungsfläche 40a des hinteren unteren Abschirmelements 38a liegt an der korrespondierenden Verbindungsfläche 42a des steckseitigen unteren Abschirmelements 36a an. Die beiden Verbindungsflächen 40a, 42a können korrespondierend zueinander gekrümmt sein. Im gezeigten Ausführungsbeispiel wird von einer ebenen Fläche ausgegangen. Die konkrete Ausgestaltung der Verbindungsflächen 40a, 42a kann in Abhängigkeit vom vorgegebenen Abstand zu den Kontaktelementen 50a festgelegt werden, die in Figur 6 vereinfacht eingetragen sind. Zur Erzielung eines homogenen ortsabhängigen Induktivitätsverlaufs innerhalb des erfindungsgemäßen Winkel- Steckverbinders 20a sind die unteren Abschirmelemente 36a, 38a vorzugsweise zumindest abschnittsweise parallel zu wenigstens einem Kontaktelement 50a geführt.The at least one connecting surface 40a of the rear lower shielding element 38a abuts against the corresponding connecting surface 42a of the plug-side lower shielding element 36a. The two connecting surfaces 40a, 42a can be curved correspondingly to one another. In the embodiment shown, it is assumed that a flat surface. The specific embodiment of the connecting surfaces 40a, 42a can be defined as a function of the predetermined distance to the contact elements 50a, which are registered in simplified form in FIG. To achieve a homogeneous location-dependent inductance curve within the angle connector 20a according to the invention, the lower shielding elements 36a, 38a are preferably guided at least in sections parallel to at least one contact element 50a.
Figur 6 verdeutlicht weiterhin die elektrische Verbindung zwischen den oberen Abschirmelementen 24a, 26a, sofern die obere Abschirmung 22a mehrteilig ausgestaltet ist. Vorzugsweise werden die Verbindungsflächen 30a des hinteren oberen Abschirmelements 26a mit der wenigstens einen Abschirmfläche 25a des steckseitigen oberen Abschirmelements 24a ebenfalls miteinander verschweißt. Selbstverständlich kann auch an dieser Stelle das erfindungsgemäße Verfahren zur Laserverschweißung eingesetzt werden.Figure 6 further illustrates the electrical connection between the upper shielding elements 24a, 26a, provided that the upper shield 22a is designed in several parts. Preferably, the connecting surfaces 30a of the rear upper shielding member 26a with the at least one Shielding surface 25a of the plug-side upper shielding member 24a also welded together. Of course, the method according to the invention for laser welding can also be used at this point.
Im gezeigten Ausführungsbeispiel gemäß Figur 6 weisen die Kontaktelemente 50a am steckseitigen vorderen Ende Kontaktfedern 52 auf.In the illustrated embodiment according to FIG. 6, the contact elements 50a have contact springs 52 on the plug-in front end.
Die Figuren 7 - 11 zeigen einen erfindungsgemäßen korrespondierenden Winkel-Steckverbinder 20b, der übereinstimmende Komponenten mit den zuerst gezeigten erfindungsgemäßen Winkel-Steckverbindern 20a aufweist, wobei die sich entsprechenden Komponenten mit dem Index "b" anstelle des Index "a" bei den Bezugszeichen versehen sind.Figures 7 - 11 show a corresponding angle connector 20b according to the invention, which has matching components with the angle connectors 20a according to the invention shown first, wherein the corresponding components with the index "b" instead of the index "a" are provided at the reference numerals ,
Der erfindungsgemäße Winkel-Steckverbinder 20b gemäß Figur 7 weist ebenfalls ein Steckverbindergehäuse 44b auf, das von einer oberen Abschirmung 22b sowie von einer unteren Abschirmung 34b umgeben ist. Die obere Abschirmung 22b enthält ein steckseitiges vorderes Abschirmelement 24b sowie ein hinteres oberes Abschirmelement 26b, wobei das hintere obere Abschirmelement 26b wieder separat herausgebildete Verbindungsflächen 30b zur elektrischen Kontaktierung mit dem steckseitigen oberen Abschirmelement 24b aufweisen soll.The inventive angle connector 20b according to Figure 7 also has a connector housing 44b, which is surrounded by an upper shield 22b and a lower shield 34b. The upper shield 22b includes a plug-in front shielding member 24b and a rear upper shielding member 26b, the rear upper shielding member 26b again having separately formed connecting surfaces 30b for electrical contact with the plug-side upper shielding member 24b.
Zur Verdeutlichung der einzelnen Komponenten des erfindungsgemäßen Winkel-Steckverbinders 20b ist in Figur 8 eine Explosionsdarstellung des in Figur 7 wiedergegebenen Winkel-Steckverbinders 20b gezeigt. Im Gegensatz zur Ausgestaltung beim ersten erfindungsgemäßen Winkel-Steckverbinder 20a sind beim korrespondierenden Winkel-Steckverbinder 20b am steckseitigen vorderen Abschirmelement 36b anstelle einer homogenen Verbindungsfläche 42a separat herausgebildete Verbindungsflächen 42b vorgesehen, welche zu den separat herausgebildeten Verbindungsflächen 40b des hinteren unteren Abschirmelements 38b korrespondieren. Weiterhin sind am steckseitigen Ende des steckseitigen oberen Abschirmelements 24b Ausnehmungen vorgesehen, aus welchen Federzungen 60 herausgebogen sind.To illustrate the individual components of the angle connector 20b according to the invention an exploded view of the reproduced in Figure 7 angle connector 20b is shown in Figure 8. In contrast to the embodiment of the first angle connector 20a according to the invention, separately formed connecting surfaces 42b are provided at the corresponding corner connector 20b at the plug-in front shielding element 36b instead of a homogeneous connecting surface 42a, which leads to the separately formed connecting surfaces 40b of the rear lower shielding member 38b correspond. Furthermore, recesses are provided at the plug-side end of the plug-side upper shielding element 24b, from which spring tongues 60 are bent out.
Figur 9 zeigt eine Ansicht auf die Rück- und Unterseite des korrespondierenden Winkel-Steckverbinders 20b im montierten Zustand. Auch beim korrespondierenden Winkel-Steckverbinder 20b sind die Verbindungsflächen 40b des hinteren unteren Abschirmelements 38b in Aussparungen 46b des Steckverbindergehäuses 44b positioniert.Figure 9 shows a view of the back and bottom of the corresponding angle connector 20b in the mounted state. Also, in the corresponding angle connector 20b, the connecting surfaces 40b of the rear lower shielding member 38b are positioned in recesses 46b of the connector housing 44b.
Zur Verdeutlichung der einzelnen Komponenten ist in Figur 10 wieder eine Explosionsdarstellung des in Figur 9 wiedergegebenen korrespondierenden Winkel-Steckverbinder 20b gezeigt.To illustrate the individual components, an exploded view of the corresponding angle connector 20b reproduced in FIG. 9 is again shown in FIG.
Das in Figur 11 gezeigte vereinfachte Schnittbild durch den erfindungsgemäßen korrespondierenden Winkel-Steckverbinder 20b verdeutlicht wieder die Positionierung insbesondere der beiden Abschirmelemente 36b, 38b der unteren Abschirmung 34b.The simplified sectional view shown in FIG. 11 by means of the corresponding angle connector 20b according to the invention again clarifies the positioning, in particular of the two shielding elements 36b, 38b, of the lower shield 34b.
Anstelle der Kontaktfedern 52 weist der korrespondierende Steckverbinder 20b Kontaktmesser 54 auf.Instead of the contact springs 52, the corresponding connector 20b contact blade 54.
Die elektrische Verbindung der Verbindungsflächen 40b, 42b der unteren Abschirmung 34b und gegebenenfalls der Verbindungsflächen 30b, 32b der oberen Abschirmung 22b werden wieder vorteilhafterweise mit dem erfindungsgemäßen Laserschweißverfahren hergestellt.The electrical connection of the connecting surfaces 40b, 42b of the lower shield 34b and optionally the connecting surfaces 30b, 32b of the upper shield 22b are again advantageously produced by the laser welding method according to the invention.
Die der Figur 11 zugrunde liegende Schnittebene ist derart gewählt, dass eine der Federzungen 60 des steckseitigen unteren Abschirmelements 36b zu sehen ist. Weiterhin zeigt Figur 11 eine Ausgestaltung des steckseitigen oberen Abschirmelements 24b und/oder des steckseitigen unteren Abschirmelements 36a, 36b, gemäß der wenigstens ein unteres Abschirmelement 24b eine Kröpfung 62, 64 aufweist, die eine Aufnahme des zuerst beschriebenen erfindungsgemäßen Winkel-Steckverbinders 20a ermöglicht.The sectional plane on which the FIG. 11 is based is selected such that one of the spring tongues 60 of the plug-side lower shielding element 36b can be seen. Furthermore, FIG. 11 shows an embodiment of the plug side upper shielding element 24b and / or the plug-side lower shielding element 36a, 36b, according to which at least one lower shielding element 24b has a crank 62, 64, which allows receiving the first described angle connector 20a according to the invention.
Figur 12 zeigt eine isometrische Ansicht einer vorteilhaften Ausgestaltung der hinteren Abschirmelemente 26a, 26b, 38a, 38b, wobei bei dem in Figur 12 gezeigten Ausführungsbeispiel exemplarisch die obere Abschirmung 22b des in den Figuren 7 - 11 gezeigten korrespondierenden Winkel-Steckverbinders 20b dargestellt ist. Die Ausgestaltung betrifft Ausnehmungen 61b, die in den Verbindungsflächen 30b des hinteren oberen Abschirmelements 26b vorgesehen sind. Im gezeigten Ausführungsbeispiel sind in jeder Verbindungsfläche 30b zwei Ausnehmungen 61 b exemplarisch vorgesehen. Die Ausnehmungen 61 b sind vorzugsweise als Bohrungen ausgeführt, sodass eine einfache und kostengünstige Realisierung möglich ist.FIG. 12 shows an isometric view of an advantageous embodiment of the rear shielding elements 26a, 26b, 38a, 38b, wherein in the exemplary embodiment shown in FIG. 12 the upper shield 22b of the corresponding angle connector 20b shown in FIGS. 7-11 is shown by way of example. The embodiment relates to recesses 61b provided in the connecting surfaces 30b of the rear upper shielding member 26b. In the embodiment shown, two recesses 61 b are provided by way of example in each connecting surface 30b. The recesses 61 b are preferably designed as bores, so that a simple and cost-effective implementation is possible.
Die Ausnehmungen 61 b ermöglichen eine präzise Fokussierung beim Laserschweißen. Dadurch wird eine optimale Verschweißung des hinteren oberen Abschirmelements 26a mit dem vorderen oberen Abschirmelement 24b erreicht, wobei nur eine minimale Wärmemenge zugeführt werden muss. Dadurch werden nicht nur die miteinander zu verschweißenden Abschirmelemente 26b, 24b, sondern insbesondere das in Figur 12 nicht gezeigte Steckverbindergehäuse 44b thermisch nur sehr gering belastet.The recesses 61 b allow precise focusing during laser welding. As a result, optimum welding of the rear upper shielding element 26a to the front upper shielding element 24b is achieved, whereby only a minimal amount of heat has to be supplied. As a result, not only the shielding elements 26b, 24b to be welded together, but in particular the connector housing 44b, which is not shown in FIG. 12, are subjected to very little thermal load.
Vorteilhafterweise sind solche Ausnehmungen 61b auch in den Verbindungsflächen 40b des in Figur 8 gezeigten hinteren unteren Abschirmelements 38b vorgesehen.Advantageously, such recesses 61b are also provided in the connecting surfaces 40b of the rear lower shielding element 38b shown in FIG.
Ein entsprechender Durchbruch im hinteren unteren Abschirmelement 38a, 38b ist exemplarisch in Figur 13 am Beispiel des Winkel-Steckverbinders 20a gezeigt, wobei Figur 13 zumindest teilweise dem in Figur 6 gezeigten Schnittbild entspricht. Figur 13 zeigt einen geschnittenen Durchbruch 61a im hinteren oberen Abschirmelement 26a der oberen Abschirmung 22a des Winkel-Steckverbinders 20a. Weiterhin zeigt Figur 6 einen geschnittenen Durchbruch 62a, der in der Verbindungsfläche 40a des hinteren unteren Abschirmelements 38a vorgesehen ist.A corresponding breakthrough in the rear lower shielding element 38a, 38b is shown by way of example in FIG. 13 using the example of the angle connector 20a FIG. 13 at least partially corresponds to the sectional image shown in FIG. FIG. 13 shows a cut-through opening 61a in the rear upper shielding element 26a of the upper shield 22a of the angle connector 20a. Further, Fig. 6 shows a cut-through opening 62a provided in the connection surface 40a of the rear lower shielding member 38a.
Entsprechende, nicht näher gezeigte Durchbrüche 62b können vorteilhafterweise auch in den Verbindungsflächen 40b des hinteren unteren Abschirmelements 28b des korrespondierenden Winkel-Steckverbinders 20b vorgesehen sein.Corresponding breakthroughs 62b not shown in detail can advantageously also be provided in the connecting surfaces 40b of the rear lower shielding element 28b of the corresponding angle connector 20b.
Figur 13 verdeutlicht, dass der beim Laserschweißen auftretende Laserstrahl die Durchbrüche 61a, 61b, 62a, 62b durchdringen, auf die Verbindungsflächen 32a, 32b, 42a, 42b jeweils der vorderen Abschirmelemente 24a, 24b, 36a, 36b auftreffen und die Verschweißung bewirken kann.FIG. 13 illustrates that the laser beam occurring during laser welding can penetrate the apertures 61a, 61b, 62a, 62b, strike the connecting surfaces 32a, 32b, 42a, 42b of the respective front shielding elements 24a, 24b, 36a, 36b and cause the welding.
Figur 14 zeigt eine isometrische Ansicht eines erfindungsgemäßen Winkel- Steckverbinders 20a im gesteckten Zustand mit einem erfindungsgemäßen korrespondierenden Winkel-Steckverbinder 20b. Im gezeigten Ausführungsbeispiel sind in den Verbindungsflächen 30a des hinteren oberen Abschirmelements 26a des Winkel-Steckverbinders 20a Durchbrüche 61a und in den Verbindungsflächen 30b des hinteren oberen Abschirmelements 26b des korrespondierenden Winkel-Steckverbinders 20b jeweils Durchbrüche 61b vorgesehen. Vorzugsweise sind in den in Figur 14 nicht sichtbaren Verbindungsflächen 40a, 40b der hinteren unteren Abschirmelemente 38a, 38b ebenfalls jeweils die beschriebenen Durchbrüche 62a, 62b vorgesehen. Nicht nur die in Figur 12 exemplarisch dargestellten Durchbrüche 61b in den Verbindungsflächen 30b des hinteren oberen Abschirmelements 26b, sondern sämtliche Durchbrüche 61a, 61b, 62a, 62b der hinteren oberen und unteren Abschirmelemente 26a, 26b, 38a, 38b sind im Hinblick auf die besonders einfache und daher kostengünstige Realisierung zweckmäßigerweise als Bohrungen ausgeführt. Der Bohrungsdurchmesser kann beispielsweise 0,2 mm betragen. Figure 14 shows an isometric view of an angle connector 20a according to the invention in the inserted state with a corresponding angle connector 20b according to the invention. In the illustrated embodiment, openings 61a are provided in the connecting surfaces 30a of the rear upper shielding member 26a of the angle connector 20a, and apertures 61b are provided in the connecting surfaces 30b of the rearward upper shielding member 26b of the corresponding angle connector 20b, respectively. Preferably, in the connecting surfaces 40a, 40b of the rear lower shielding elements 38a, 38b, which are not visible in FIG. 14, the apertures 62a, 62b described are likewise respectively provided. Not only the breakthroughs 61b exemplified in FIG. 12 in the connecting surfaces 30b of the rear upper shielding element 26b, but all the apertures 61a, 61b, 62a, 62b of the rear upper and lower shielding elements 26a, 26b, 38a, 38b are particularly simple and therefore inexpensive realization expediently carried out as bores. The bore diameter may be, for example, 0.2 mm.

Claims

Ansprüche claims
1. Winkel-Steckverbinder mit einer Vielzahl von nebeneinander angeordneten Kontaktelementen (50a, 50b), die auf der hinteren Seite des Winkel- Steckverbinders (20a, 20b) zur Verlötung mit Leiterbahnen einer Platine (5) vorgesehen sind, mit einer zumindest auf der Oberseite des Winkel- Steckverbinders (20a, 20b) angeordneten oberen Abschirmung (22a, 22b) und mit einer auf der Unterseite angeordneten unteren Abschirmung (34a, 34b), dadurch gekennzeichnet, dass die untere Abschirmung (34a, 34b) ein steckseitiges unteres Abschirmelement (36a, 36b) enthält, dessen Abschirmfläche (37a, 37b) in Steckrichtung (28) orientiert ist, dass die untere Abschirmung (34a, 34b) weiterhin ein separates hinteres unteres Abschirmelement (38a, 38b) enthält und dass die unteren Abschirmelemente (36a, 36b, 38a, 38b) elektrisch miteinander verbunden sind.1. angle connector having a plurality of juxtaposed contact elements (50 a, 50 b), which are provided on the rear side of the angle connector (20 a, 20 b) for soldering to conductor tracks of a circuit board (5), with at least one on top the angle connector (20a, 20b) arranged upper shield (22a, 22b) and with a arranged on the bottom lower shield (34a, 34b), characterized in that the lower shield (34a, 34b) a plug-side lower shielding element (36a , 36b), the shielding surface (37a, 37b) of which is oriented in the insertion direction (28), that the lower shield (34a, 34b) further comprises a separate rear lower shielding element (38a, 38b) and that the lower shielding elements (36a, 36b , 38a, 38b) are electrically connected to each other.
2. Winkel-Steckverbinder nach Anspruch 1 , dadurch gekennzeichnet, dass die Abschirmfläche (39a) des hinteren unteren Abschirmelements (38a) senkrecht zur Steckrichtung (28) orientiert ist.2. Angle connector according to claim 1, characterized in that the shielding surface (39a) of the rear lower shielding element (38a) is oriented perpendicular to the insertion direction (28).
3. Winkel-Steckverbinder nach Anspruch 1 , dadurch gekennzeichnet, dass die Abschirmfläche (39a) des hinteren unteren Abschirmelements (38a) zumindest abschnittsweise parallel zu den Kontaktelementen (50a, 50b) orientiert ist.3. Angle connector according to claim 1, characterized in that the shielding surface (39a) of the rear lower shielding element (38a) is oriented at least in sections parallel to the contact elements (50a, 50b).
4. Winkel-Steckverbinder nach Anspruch 1 , dadurch gekennzeichnet, dass das hintere untere Abschirmelement (38a) wenigstens näherungsweise bis zum Lötanschluss (48a, 48b) der Kontaktelemente (50a, 50b) geführt ist. 4. angle connector according to claim 1, characterized in that the rear lower shielding element (38 a) at least approximately up to the solder connection (48 a, 48 b) of the contact elements (50 a, 50 b) is guided.
5. Winkel-Steckverbinder nach Anspruch 1 , dadurch gekennzeichnet, dass die unteren Abschirmelemente (36a, 38a, 36b, 38b) Verbindungsflächen (40a, 42a, 40b, 42b) aufweisen, die zur elektrischen Verbindung der unteren Abschirmelemente (36a, 36b, 38a, 38b) miteinander verschweißt sind.5. Angle connector according to claim 1, characterized in that the lower shielding elements (36a, 38a, 36b, 38b) connecting surfaces (40a, 42a, 40b, 42b) which, for the electrical connection of the lower shielding elements (36a, 36b, 38a , 38b) are welded together.
6. Winkel-Steckverbinder nach Anspruch 5, dadurch gekennzeichnet, dass die Verbindungsflächen (40a, 42a, 40b, 42b) ebene Verbindungsflächen (40a, 42a, 40b, 42b) sind.6. angle connector according to claim 5, characterized in that the connecting surfaces (40a, 42a, 40b, 42b) are planar connecting surfaces (40a, 42a, 40b, 42b).
7. Winkel-Steckverbinder nach Anspruch 5 dadurch gekennzeichnet, dass in wenigstens einer Verbindungsfläche (40a, 4Ob) des hinteren unteren Abschirmelements (38a, 38b) wenigstens ein Durchbruch (62a, 62b) vorgesehen ist.7. angle connector according to claim 5, characterized in that in at least one connecting surface (40a, 4Ob) of the rear lower shielding element (38a, 38b) at least one opening (62a, 62b) is provided.
8. Winkel-Steckverbinder nach Anspruch 1 , dadurch gekennzeichnet, dass das steckseitige untere Abschirmelement (36a, 36b) eine homogene Verbindungsfläche (42a, 42b) ohne Ausnehmungen aufweist, die sich über eine Mehrzahl von Kontaktelementen (50a, 50b) erstreckt.8. Angle connector according to claim 1, characterized in that the plug-side lower shielding element (36a, 36b) has a homogeneous connection surface (42a, 42b) without recesses, which extends over a plurality of contact elements (50a, 50b).
9. Winkel-Steckverbinder nach Anspruch 1 , dadurch gekennzeichnet, dass das hintere untere Abschirmelement (38a, 38b) zumindest im Bereich der Verbindung mit dem steckseitigen unteren Abschirmelement (36a, 36b) innerhalb eines die Kontaktelemente (50a, 50b) des Winkel-Steckverbinders (20a, 20b) zumindest teilweise aufnehmenden Steckverbindergehäuses (44a, 44b) angeordnet ist.9. angle connector according to claim 1, characterized in that the rear lower shielding element (38 a, 38 b) at least in the region of the connection with the plug-side lower shielding element (36 a, 36 b) within one of the contact elements (50 a, 50 b) of the angle connector (20a, 20b) at least partially receiving connector housing (44a, 44b) is arranged.
10. Winkel-Steckverbinder nach Anspruch 9, dadurch gekennzeichnet, dass das hintere untere Abschirmelement (38a, 38b) eine Mehrzahl von separat herausgebildeten Verbindungsflächen (40a, 40b) aufweist und dass das Steckverbindergehäuse (44a, 44b) zu den Verbindungsflächen (40a, 40b) korrespondierende separate Ausnehmungen (46a, 46b) zur Führung und zumindest teilweisen Aufnahme des hinteren unteren Abschirmelements (38a, 38b) aufweist.10. Angle connector according to claim 9, characterized in that the rear lower shield member (38 a, 38 b) has a plurality of separately formed connecting surfaces (40 a, 40 b) and that the connector housing (44 a, 44 b) to the connecting surfaces (40 a, 40 b ) corresponding separate recesses (46 a, 46 b) for guiding and at least partially receiving the rear lower shielding element (38a, 38b).
11. Winkel-Steckverbinder nach Anspruch 1 , dadurch gekennzeichnet, dass die obere Abschirmung (22a, 22b) ein steckseitiges oberes und hinteres oberes Abschirmelement (24a, 26a, 24b, 26b) enthält, die elektrisch miteinander verbunden sind.11. Angle connector according to claim 1, characterized in that the upper shield (22a, 22b) includes a plug-side upper and rear upper shield member (24a, 26a, 24b, 26b) which are electrically connected together.
12. Winkel-Steckverbinder nach Anspruch 10, bei dem die oberen Abschirmelemente (24a, 26a, 24b, 26b) Verbindungsflächen (30a, 32a, 30b, 32b) aufweisen, die zur elektrischen Verbindung der oberen Abschirmelemente (24a, 26a, 24b, 26b) miteinander verschweißt sind.12. Angle connector according to claim 10, wherein the upper shielding elements (24a, 26a, 24b, 26b) connecting surfaces (30a, 32a, 30b, 32b), which for the electrical connection of the upper shielding elements (24a, 26a, 24b, 26b ) are welded together.
13. Winkel-Steckverbinder nach Anspruch 12, dadurch gekennzeichnet, dass in wenigstens einer Verbindungsfläche (30a, 30b) des hinteren oberen Abschirmelements (26a, 26b) wenigstens ein Durchbruch (61a, 61b) vorgesehen ist.13. Angle connector according to claim 12, characterized in that in at least one connecting surface (30a, 30b) of the rear upper shielding element (26a, 26b) at least one opening (61a, 61b) is provided.
14. Winkel-Steckverbinder nach Anspruch 7 und 13, dadurch gekennzeichnet, dass der Durchbruch (61a, 61b, 62a, 62b) als Bohrung ausgeführt ist.14. Angle connector according to claim 7 and 13, characterized in that the opening (61 a, 61 b, 62 a, 62 b) is designed as a bore.
15. Winkel-Steckverbinder nach Anspruch 1 oder 10, dadurch gekennzeichnet, dass wenigstens ein steckseitiges Abschirmelement (24a, 36a, 24b, 36b) eine Aufweitungs-Kröpfung aufweist und dass das obere und/oder untere steckseitige Abschirmelement (24a, 36a, 24b, 36b) zur Klemmung eines korrespondierenden Abschirmelements (24a, 36a, 24b, 36b) eines korrespondierenden Winkel-Steckverbinders (20a, 20b) Federzungen (60) aufweist.15. Angle connector according to claim 1 or 10, characterized in that at least one plug-side shielding element (24a, 36a, 24b, 36b) has a widening crank and that the upper and / or lower plug-side shielding (24a, 36a, 24b, 36b) for clamping a corresponding shielding element (24a, 36a, 24b, 36b) of a corresponding angle connector (20a, 20b) has spring tongues (60).
16. Verfahren zur Herstellung des Winkel-Steckverbinders nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Schweißverbindung zumindest der unteren Abschirmelemente (26a, 36a, 26b, 36b) mittels Laserschweißens hergestellt wird.16. A method for producing the angle connector according to one of the preceding claims, characterized in that the Welded connection of at least the lower shielding elements (26a, 36a, 26b, 36b) is produced by means of laser welding.
17. Verfahren nach Anspruch 13, dadurch gekennzeichnet, dass zum Laserschweißen Neodym-YAG-Laser verwendet wird.17. The method according to claim 13, characterized in that for laser welding neodymium-YAG laser is used.
18. Verfahren nach Anspruch 14, dadurch gekennzeichnet, dass der Neodym- YAG-Laser gepulst betrieben wird. 18. The method according to claim 14, characterized in that the neodymium-YAG laser is operated pulsed.
EP09771282A 2008-11-10 2009-10-22 Right-angle connector having a shielding and method for producing the shielding of the right-angle connector Active EP2351163B1 (en)

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DE102008056586 2008-11-10
DE102009015462.0A DE102009015462B4 (en) 2008-11-10 2009-03-28 Angle connector with a shield and method of making the shield of the angle connector
PCT/DE2009/001483 WO2010051791A1 (en) 2008-11-10 2009-10-22 Right-angle connector having a shielding and method for producing the shielding of the right-angle connector

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MX2011004948A (en) 2011-06-24
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EP2351163B1 (en) 2012-09-19
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US8337249B2 (en) 2012-12-25
WO2010051791A1 (en) 2010-05-14
US20110217868A1 (en) 2011-09-08
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DE102009015462B4 (en) 2014-10-30
CA2742430C (en) 2016-04-05

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