Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
  • H01R13/46—Bases; Cases
  • H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
• • 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
  • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
  • H01R13/621—Bolt, set screw or screw clamp
  • H01R13/6215—Bolt, set screw or screw clamp using one or more bolts
• • 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
  • H01R13/6582—Shield structure with resilient means for engaging mating connector
• • 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 electrical connector of the multi-pole connector type, the construction of which is modular with contact inserts according to a modular system, and the opposite socket part of which has a corresponding modularity, the respective contact inserts in the plug part and in the socket part being latchable in a receiving frame and can be plugged together to form a contact block for additional fastening of the socket contact inserts in the socket part of the device mounting side.
• Modular electrical connectors are known from various catalogs or product publications.
• a modular plug-in system is described as a circuit board connector based on DIN 41612, the modules of which can be inserted in a mounting frame are designed as knife and female connectors and for which each use can be populated with contacts of different types by snapping.
• This system does not have a connector housing and in the male connector, which is designed as a plug part, is more to be assigned to a separable platinum connector than an industrial connector.
• the modules can be attached to a circuit board while maintaining a basic grid.
• the Fastening takes place in a mounting frame, which is provided on the circuit board side as a collection and alignment frame.
• the modules inserted in these mounting frames are only available as plug-in, crimp or solder versions.
• a universal use by means of a clamp or screw clamp connection for wires and strands and a PE contacting integrated in the modular system is not provided.
• leading PE metal contacts are provided on the side of the frame and outside the module arrangement on the narrow side of the plug connector, which require additional installation space for the lateral suspension of the contact connection.
• this is at the expense of the number of contacts per plug connector.
• the attachment / base housing and the sleeve housing in a robust design have been adapted to the special requirements of heavy use and are generally made of metal.
• the shape of the housing that is present here is based on an intended mechanical articulated locking mechanism. system, which requires additional installation space for the entire electrical connector.
• the present invention is based on the problem of designing an electrical connector of the type mentioned at the outset in a degree of protection IP65 which is not uncommon for electrical connectors, so that when the advantages of modular electrical contact inserts are used, a compact electrical connector with PE contacting which can be integrated if necessary is produced .
• this version should correspond to protection class IP65 and, for each connector size, partly with a plastic sleeve housing for use on devices, and also in a second version with a metal housing for heavier industrial applications with extreme environmental conditions and additional EMC protection can be used without difference in size to the plastic housing with the same size and different contact inserts.
• known miniature PCB connectors with a matching pitch in Combine groups into a module and modify them in such a way that these modules can be arranged on the one hand as a plug part of the sleeve housing, and on the other hand as a socket part on the connection or device side in a mounting frame.
• the arrangement is structurally such that the actuating elements or openings point to the long side of the receiving frame, so that the wiring of the individual clamping points is facilitated.
• several modules with different contact inserts for power and / or signal transmission can be combined in screw-type or spring-force type clamping technology and arranged in a freely selectable order in accordance with the predetermined grid dimension of the mounting frame.
• Another feature is to minimize the wall thicknesses of the mounting frame on the connector side and the mounting frame on the device side, so that the connector surface can be used optimally for the number of modules to be inserted. This is achieved in that, in a variant of the construction of the mounting frame, there is no need for resiliently installed resilient PE metal parts for leading contacting, which are usually integrally fixed to the mounting frame at the ends of the longitudinal direction of the connector.
• a special mounting frame matched to the modularity of the connector modules, is provided as an attachment kit, in which PE contacts in the longitudinal direction in module form with half a module pitch are provided at the outer ends of the mounting frame are provided, which together form an entire module and together along a length on the inside of the frame, the bridge made of electrically conductive material can be connected as a flat strip or round wire.
• a PE conductor carried with the conductor cable can be connected to this PE module in the sleeve housing.
• a further variant consists in the socket part of the electrical connector, which is usually attached to the mounting frame on the device or mounting side or to an industrial 19 "rack, in its form as a counterpart to the plug part without PE.
• the mounting frame is designed for a maximum number of connector modules for use without a PE connection as a counterpart to the connector side, and is suitable for use with PE contacts
• the mounting frame in its module division is adapted to the position of the plug-side modules and also has an insertable bridge made of electrically conductive metal strip or round wire, which is connected to a PE module which can be snapped into the receiving frame at the other end of the socket part has the advantage that only one PE connector, whether as a conductor track on a printed circuit board or as a freely clampable conductor, is attached must be done.
• contact inserts on the add-on or device side are snapped together with locking means on the side faces of the individual modules to form a block, which leads to additional stability of the contact inserts in the socket part and, moreover, in the entire plug connector.
• Another advantage is the combination of contact inserts for contacting a printed circuit board and contact inserts for connecting further flexible electrical ladder.
• Each of these different contact inserts can be firmly connected to a block with a module of a different type of connection technology via latching pieces or dovetail guides provided on the side of these modules.
• a further feature consists in the constructive arrangement of a shield plate provided for EMC protection between the metal sleeve housing provided for this purpose and a mounting frame provided for positioning the sleeve housing on the on-site device front, which at the same time is also a receiving part of the device-side socket contact modules.
• This shield plate encloses the mounting frame from the device side, so that at the same time after inserting the shield plate with the mounting frame into the device connection opening, contact with the edge of the device front opening is provided via several resilient portions of the shield plate which are supported on the long side of the mounting frame.
• the connector and the front of the device are connected to PE connections on a circuit board using the mounting flanges.
• the metal parts are designed as fastening elements of the mounting flange in such a way that contact can be made with a conductor track of a printed circuit board.
• the degree of protection IP65 of the entire plug connector construction is achieved via a groove provided for the contact surface in the grommet housing wall of the plastic and / or metal housing and a cord seal inserted therein and projecting towards the contact surface of the plug connector. reached achieved, which acts by screwing the plug connector on a device wall sealing between the two parts.
• This construction is advantageous and inexpensive because it eliminates the need for a plug-in connector housing with an additional seal to the device wall and the associated additional installation space.
• Fig.l a first part of a grommet housing (2) of an electrical connector (1) in a perspective view with connected Mehradri ⁇ gem conductor cable (3), screwed cable gland (4) with strain relief, pulled-out mounting frame (5) and two different contact modules (6a, 6b) which can be snapped into this receiving frame (5),
• Fig. 2 is a perspective view of the Frerah ⁇ mens (5) with PE contacts in a view "A" and with snap-in contact modules (6a, 6b), PE modules (7) arranged in one piece on the receiving frame (5) and their connection to an electrically conductive metal part (8) via a bridge (9) resting on the receiving frame (5) ) and the position of the fastening screws (10) of the Tullen housing (2),
• FIG. 3 is a perspective view of the attachments of a device front in the version with PE
• Fig. 4 is a perspective view of the arrangement for connecting the mounting frame (11), shield plate (12) and mounting flanges (16) in an embodiment without PE contact, in which the shield plate (12) by means of resilient contacts (34) with the Contacted the inner edge of the receiving opening (13a) on the front of the device (13) and the connection flanges (16) allowing the shield plate (12) and the front face (13) to be connected to conductor tracks (18) on a printed circuit board (19) and at the same time via the mounting flanges (16) attach the
• PCB (19) is seen on the front of the device (13) and 5 shows a perspective view of the arrangement of PE modules (15) on the mounting frame (11) with the position of the plug-in bridge (17) on the mounting frame (11) and its lateral contact with the spring contacts (28) of the PE modules (15), which are preferably shown here as connectors for free conductors (20).
• FIG. 1 shows a first part of an electrical connector (1), the plug part, consisting of a sleeve housing (2), a receiving frame (5) and at least one contact module (6a, 6b) which can be snapped into this receiving frame (5) , a PG screw connection (4) for the mechanical and sealing fastening of a conductor cable (3) with the usual clamping and sealing elements therein, the fastening screws (10) for fastening the grommet housing (2) on a front side of a device wall (13 ), as shown in FIGS. 3 and 6, and a seal (25) which is advantageously inserted in a groove of the contact surface of the housing grommet and, together with the PG screw connection (4), enables the entire electrical connector to be sealed in IP65.
• the plug part consisting of a sleeve housing (2), a receiving frame (5) and at least one contact module (6a, 6b) which can be snapped into this receiving frame (5) , a PG screw connection (4) for the mechanical and sealing fastening of
• the receiving opening (37) of the grommet housing (2) has a rectangular cross section with contact surfaces formed on the longitudinal sides (38), which interact with the longitudinal sides (39) of the elongated receiving frame (5).
• the mounting frame (5) is equipped with the order of different or identical contact modules (6a, 6b) by simply snapping them in the joining direction "B".
• the receiving frame (5) is advantageously and inexpensively made of plastic and, for fastening the contact modules (6a, 6b), has constructionally designed pieces (30) protruding against the joining direction "B", on which on the inside of the Receiving frame (5) undercuts (29) for receiving locking pieces (31) projecting at right angles to the joining direction "B" of the contact module (6a, 6b) are provided.
• this connection can be released without great effort by slightly bending the receiving frame (5), so that a contact module (6a, 6b) is readily in it Position can be moved.
• the individual conductors of the conductor cable (3) can be connected to the contact modules (6a, 6b).
• the construction of the contact module (6a, 6b) has advantageously been provided such that the actuating elements of the clamping connection point to the longitudinal side (39, 39a) of the receiving frame (5) and through the projecting pieces (30) of the receiving frame (5 ) are not covered.
• the mounting frame (5) is screwed by means of fastening elements (28) according to FIG. 2 to the sleeve housing (2) in the joint direction "B" inside the sleeve housing. After the receptacle frame (5) is firmly seated, it is no longer possible to remove a connector module (6a, 6b), since the inner contact surfaces (38) of the sleeve housing (2) act as a shaped element to widen the long sides (39) of the receptacle frame ( 5) counteract.
• laterally protruding supports (32) are provided on the plastic housing part of the contact module (6a, 6b), which are supported on the edge of the mounting frame (5) in the joining direction "B” and with lateral supports ⁇ gen (32) encompass the edge of the longitudinal side (39) of the receiving frame (5) and counteract a movement of the contact module (6a, 6b) transversely to the joining direction "B” and a widening of the receiving frame (5) or a loosening of the connector module (6a, 6b) prevent.
• FIG. 2 shows a perspective view of the partially fitted mounting frame (5) of an embodiment variant for PE contacting from view "A", the projecting snap-fit receptacles (30) of the mounting frame (5) with the undercuts (29) are made clear. It is often necessary to lead and transmit an electrical potential to a device for protecting the electronic components contained therein by means of cabling.
• this electrical potential is taken over from the plug side to the device side by providing a PE module (7) designed for this in the form of a contact module (6a, 6b) which contacts an insertable PE socket module (15) in FIG. 3 on the device side.
• FIG. 2 An advantageous construction is therefore proposed in FIG. 2, which provides such fixed PE contacts (7) in a receiving frame (5) and, at the same time, does not hinder the later mounting of contact modules (6a, 6b).
• the structural design of these snap-in PE modules (7), which are thus firmly connected to the mounting frame (5), in the form and grid of the contact modules (6a) preferably enables the interchangeable use of PE socket counterparts (15) on the device side.
• the PE socket modules (15) can be designed with a free conductor connection as well as with plug or solder connections for PCB contacting.
• FIG. 3 shows the mounting side (device side), namely the socket part 35, with the components required for connection to a device front cover (13).
• the construction of the mounting frame (11) as a fastening and positioning flange for the grommet housing (2) on the one hand and on the other hand as a leading mounting frame (11) for those positioned as counterparts to the plug side is advantageous in this embodiment Socket modules (14a, 14b, 15).
• the socket modules (14a, 14b, 15) can be fitted with the same mutual sequence in accordance with the plug side by snapping in, so that the snap-in technique required for this is used by means of elements 29 to 32 in FIGS. 1 and 2 of the plug side.
• the device-side socket modules (14a) are connected to printed circuit boards (19) galvanically as well as by means of press-in technology.
• conventional latching means (33) are provided on the side of each socket module (14a, 14b, 15), such as conical pegs pointing towards one another and undercut bores and / or dovetail guides and grooves.
• socket modules (14b) for a free conductor connection can also be snapped together with the solderable or press-in printed circuit board variant of the socket modules (14a) by means of the lateral connectivity (33) to form blocks (14).
• the snap-together module blocks (14) can be soldered onto the printed circuit board (19) and can be inserted and locked in their entirety as a module block (14) in the mounting frame (11).
• the mounting frame (11) is held on the housing front cover (13) from the plug side (FIG. 3) by means of the connecting elements (26), the connector block (14) moving from the rear of the housing front cover (13) into the Mounting frame (11) is snapped in the form described above, so that the housing front cover is clamped between mounting frame (11) and socket modules (14a, 14b, 15).
• mounting mounting flanges (16) are provided on both sides of the module block (14) on the circuit board side of the housing front cover (13), some of which can be latched laterally with the socket modules (14a, 14b, 15), but others by means of the connecting elements (26) pull the mounting frame (11) onto the front cover (13) of the housing, position it and fasten it.
• a bridge (17) is also provided on the device side for connecting the PE socket modules (15) provided at each end of the module block (14) as a counterpart to the plug variant with PE modules (7).
• the pluggable ones on the device side are not with the mounting frame (11) firmly connected PE contact modules (15) in their upper open housing part (15) and the side facing away from the printed circuit board (19) with resilient contact elements (28), shown in Fig. 5, into which the angled electrically conductive End pieces (27) of the bridge (17) can be inserted and thus a contact for forwarding to a PE socket module clamp connector is provided, which connects to the circuit board or as shown in FIGS. 3 and 5 makes free PE conductor (20).
• a shield plate (12) is proposed, which is put over the mounting frame (11) on the device side before joining the mounting frame (11) to the housing front cover (13) and with the latter is fastened together to the housing front cover (13), the resilient, electrically conductive shielding plate contact contacts (34) making electrical contact with the inner edge (13a) of the housing front cover opening.
• the EMC variant with the PE contacting of a printed circuit board path is shown in FIG. 4, the front of the device and its opening not being shown in order to clarify the detailed representation.
• the resilient shield plate contact contacts (34) can contact the inner edge of the receiving opening of a device front, so that the mounting-mounting flanges (16) do not necessarily have to make a connection to the shield plate (12), since the housing front cover (13) of the device can be electrically insulated, for example by a layer of paint.
• FIG. 4 is an application is shown in which the metal parts of the attachment mounting flanges (16) are designed to make contact with a conductor track (18) of a printed circuit board (19) and a connection to the housing front cover (13) by means of the metal parts of the attachment -Fixing flanges (16) can produce.
• the bridge (17) is angled at its end pieces (27), preferably bent at a right angle in the embodiment shown, and makes contact with the conductive end spring elements (28) of the PE socket module (15) in the latter towards the bridge through the projecting end pieces (27) (17) open upper case.
• the electrical contact is preferably equipped with a pin contact as a counterpart to the PE module (7) provided in the plug part with a contact spring element, this pin contact of the socket module (15) in turn is integrally connected to the contact spring elements (28).
• These socket modules (15) also have lateral latching means (33) for lining up to form a module block (14).

Landscapes

• Connector Housings Or Holding Contact Members (AREA)
• Details Of Connecting Devices For Male And Female Coupling (AREA)
• Coupling Device And Connection With Printed Circuit (AREA)
• Multi-Conductor Connections (AREA)
• Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)

Applications Claiming Priority (3)

Publications (2)

Family

ID=8019578

Family Applications (1)

Country Status (8)

Cited By (1)

Families Citing this family (27)

Family Cites Families (6)

• 1996
  • 1996-02-21 DE DE29602740U patent/DE29602740U1/de not_active Expired - Lifetime
• 1997
  • 1997-02-21 WO PCT/EP1997/000826 patent/WO1997033347A1/fr active IP Right Grant
  • 1997-02-21 ES ES97906103T patent/ES2147436T3/es not_active Expired - Lifetime
  • 1997-02-21 JP JP53140097A patent/JP3631761B2/ja not_active Expired - Fee Related
  • 1997-02-21 DE DE59701810T patent/DE59701810D1/de not_active Expired - Lifetime
  • 1997-02-21 AT AT97906103T patent/ATE193621T1/de active
  • 1997-02-21 US US09/125,136 patent/US6004163A/en not_active Expired - Lifetime
  • 1997-02-21 CN CN97192496A patent/CN1112744C/zh not_active Expired - Fee Related
  • 1997-02-21 EP EP97906103A patent/EP0882318B1/fr not_active Expired - Lifetime

Non-Patent Citations (1)

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