EP1403966B1 - Shielded connection arrangement for data transfer - Google Patents
Shielded connection arrangement for data transfer Download PDFInfo
- Publication number
- EP1403966B1 EP1403966B1 EP20030020380 EP03020380A EP1403966B1 EP 1403966 B1 EP1403966 B1 EP 1403966B1 EP 20030020380 EP20030020380 EP 20030020380 EP 03020380 A EP03020380 A EP 03020380A EP 1403966 B1 EP1403966 B1 EP 1403966B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- cover
- connection arrangement
- shielded
- electrical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
- H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
- H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
- H01R4/2425—Flat plates, e.g. multi-layered flat plates
- H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base
- H01R4/2433—Flat plates, e.g. multi-layered flat plates mounted in an insulating base one part of the base being movable to push the cable into the slot
Definitions
- the invention generally relates to a shielded connection arrangement for data transfer, and more particularly to a shielded connection arrangement for making contact with an Ethernet line in industrial use.
- a shielded connector for connecting signal and ground between a mating connector and a printed circuit board or a cable includes a housing with an inner cavity which is formed by upper, lower and side walls and a rear wall. The surfaces of the housing are conductive in order to shield signal contacts which are located within the inner cavity and run through insulated regions in the rear wall.
- One construction includes a synthetic housing with a metal coating which forms a surface.
- Another construction includes a solid metal housing with a synthetic insert.
- a terminal block for shielded cables such as data transfer cables
- the conductors of the cables to be connected are introduced into a charge block which can be latched inside the lower part.
- Located in the upper part is a carrier plate on which a printed circuit board carrying socket is seated. Insulation displacement contacts are seated in the carrier plate and penetrate into the charge block in order to make contact with the conductors when the upper part is placed on the lower part and joined thereto by means of a screw connection.
- a terminal block for shielded cables has a shielding housing comprising an upper part and a lower part.
- the cables to be connected are held by a clip which reaches around the exposed shielding of the cables.
- the clip is inserted in a receiver in the housing.
- a radial pressure presses the clip against the shielding of the cable on one side and against a receiver on the other side, in order to connect the shielding conductively to the housing.
- the receiver is located in the interior of the housing and holds the clip firmly in the form of a strain relief means.
- a shielded connection arrangement for data transfer in an industrial environment which makes contact with a shielded electrical conductor or a plurality of electrical conductors of a shielded cable without the aid of a tool.
- the cables are pushed into a pivotal receiver and there make contact by means of insulation displacement contacts.
- the pivotal receiver is fixed by means of a cover, also pivotal.
- the housing and the pivotal cover each have a ground connection and form a shield against electromagnetic radiation.
- EP 0735 612 A1 discloses an electrical connector including an outer housing, a termination sub-assembly, upper and lower rows of electrical contacts, and a conductor holding block.
- the housing is formed by an electrically insulated plastic and may serve to assist the shielding of the connector by an internally and/or externally electrolessly metallic plating such as nickel or copper.
- the termination sub-assembly receives in upper and lower rows said electrical contacts which in turn receive individually insulated discrete electrical conductors.
- the electrical conductors are further arranged in the conductor holding block for an easier assembly of the electrical connector.
- a shielding is provided in the termination sub-assembly for providing a horizontally electrical shielding between the vertically spaced rows of contacts and for providing a vertically electrical shielding between side-by-side-pairs of contacts. Further, a shielding is provided horizontally in the holding block for providing a shielding between the vertically spaced rows of contacts near said insulation displacing portions.
- a shielded connection arrangement for electrically connecting at least one multiple-conductor shielded electrical wire to a circuit carrier or the like.
- the shielded connection arrangement may be used for connecting an Ethernet line to an electrical device.
- the exemplary arrangement includes a housing having a securable cover with an internal cavity formed between the housing and cover when the cover is secured. Insulation displacement contacts are located within the cavity for making contact with conductors of the at least one electrical wire.
- the housing and the cover are made of electrically insulating material, for example synthetic material or ceramic.
- the shield plate may preferably be inserted into the securable cover and fixed there, and it serves to shield the connection arrangement by forming a largely closed conductive surface surrounding the connection.
- the shield plate is detachably fixed in the cover by means of resilient tongues engaging in apertures in the cover, wherein the resilient tongues are projecting out of the cover for providing an electrical contact with an adjacent connection arrangement and/or a housing wall.
- This shielded connection arrangement provides a simple and lightweight construction as a result of an electrically insulating housing made of ceramic or synthetic material, into which a shield plate in the form of a simple punched part is inserted.
- an electrically insulating housing made of ceramic or synthetic material into which a shield plate in the form of a simple punched part is inserted.
- the exemplary connection arrangement according to the invention has a significantly lower weight and a simpler method of manufacture.
- the detachably fixed shield plate in the cover by means of resilient tongues engaging in apertures in the cover gives rise to a reliable mechanical connection between the cover and the shield, which is made by a latching or snap-in connection which is easy to use.
- the resilient tongues are in conductive connection with a housing wall or a housing cover and/or with resilient tongues of an adjacent connection arrangement.
- the shield plate makes reliable contact both with neighbouring units and with a metal housing. This reliable contact provides a high level of electromagnetic radiation shielding enhancing safety.
- the cover is preferably mounted to pivot about a pivot axis fixed to the housing. Accordingly, the electrical wire may be connected in place by suspending it on the resilient tongues and pivoting the cover to a closed position.
- a screwdriver may be used as a lever to loosen the cover..
- the cover may be screwed to the housing.
- an additional small shield plate is provided within the housing, in electrical connection with the shield of the electrical wire.
- the small shield plate is fixed in a conductive connection with the shield plate when the cover is screwed on.
- the insulation displacement contacts, for making contact with the wire conductors, and the small shield plate may each be soldered to a printed circuit carrier or a printed circuit board, with the contact pins of the small shield plate preferably soldered to an ground contact of the printed circuit carrier.
- the housing may be secured on an underside by means of latching connections on the circuit carrier.
- latching connections may be constructed, for example, as two, three or more latching tabs for latching into corresponding recesses in the circuit carrier.
- a conductive housing of an electrical device or a device module has one or more shielded connection arrangements arranged next to one another.
- the connection arrangements described are in particular suitable for ranging next to one another in the conductive housing, with the resilient tongues each projecting out of the covers of the housings of the connection arrangements being ideally suited to making contact with two adjacent connection arrangements.
- the resilient tongues of the at least one connection arrangement used may be in electrical connection with a housing wall or a housing cover or with resilient tongues of an adjacent connection arrangement, or with a combination thereof.
- the cover of the at least one shielded connection arrangement may, in accordance with an embodiment of the invention, end largely flush with the housing cover, with the cover preferably being capable of pivoting up and latching into an end position when an electrical connection arrangement is inserted into the conductive housing, for the purpose of laying in and making contact with a multiple-conductor shielded wire.
- a conductive housing 2 has a housing front wall 22 and a housing side wall 23, with two connection arrangements 10 disposed in the housing 2 for the purpose of making contact between shielded electrical wires 14 and a printed circuit board (not shown) which is disposed in the housing 2.
- the electrical wires 14 are each guided through openings or wire feedthroughs 25 in the housing front wall 22 and each end in a connection arrangement 10.
- a cover 102 is pivotally attached to the housing 2 at each of the connection arrangements 10, such that thet pivot between an open position and a closed position.
- connection arrangement 10 The cover of one of the connection arrangements 10 (shown on the left in Figure 1) is pivoted upwards into the open position, revealing the connection of the electrical wire 14 with insulation displacement contacts (103 shown in Figure 2).
- a cover recess 24 in the housing cover 21 exposes the upper sides of the connection arrangements 10, such that the covers 102 can be pivoted upwards and latched into an end position at any time, providing access to the electrical wire 14.
- Figure 2 shows an exploded view of the connection arrangement 10 according to an exemplary embodiment of the invention, substantially comprising a housing 101 and a cover 102 which is pivotally connected thereto and connectable at an end of the cover 102 opposite the pivotal connection, such as by connectors 108.
- the housing 101 and the cover 102 are each made of an electrically insulating material, for example, synthetic material or ceramic.
- a plurality of insulation displacement contacts 103 are inserted in the housing 101 and are each soldered to a printed circuit board by means of a solder pin 104.
- the housing 101 has a plurality of latching tabs 110 on its underside, that are pressed into appropriate recesses in the printed circuit board to latch the housing 101 to the circuit board.
- a multiple-conductor shielded wire may be placed on the insulation displacement contacts using, for example, a 'pivot cover' 109, electrically connecting the conductors to their respective insulation displacement contacts.
- a shield plate 121 is provided on the inside of the cover 102 covering substantially all of the entire inside of the cover. The shield plate may be pressed into the cover 102 in latching manner by means of a plurality of resilient tongues 122. The resilient tongues 122 engage in respective apertures 105 in side walls of the cover 102.
- the cover 102 is connected to the housing 101 so as to pivot about its pivot axis 106 and is fixedly connected to the housing 101 on a side opposed to the pivot axis 106 by means of two securing screws 108 which engage in threaded bushings 107.
- FIG 3 shows the shield plate 121 which is inserted into the cover 102.
- the shield plate 121 has a dish-shaped contour and is fixed in clamping manner in the cover 102 by means of a plurality of resilient tongues 122.
- Figure 4 shows the connection arrangement 10 with the cover 102 pivoted up.
- Individual conductors (not shown) of the shielded electrical wire 14 are laid in the pivot cover 109 to make electrical connections by contact with the insulation displacement contacts 103. Electrical connections are made between the wire conductors and the insulation displacement contacts 103 by pressing in the pivot cover 109.
- the electrical wire 14 in this case lies largely horizontally in the housing 101.
- the cover 102 is pivoted about a pivot axis 106 it presses on the pivot cover 109 making electrical connections between the wire conductors and the insulation displacement contacts 103. Then the cover 102 is screwed to the housing 101 by means of the securing screws 108.
- FIG. 5 shows the closed, installed position of the connection arrangement 10.
- the housing 101 is, in the illustrated emboidiment, connected to the printed circuit board in latching manner by means of the latching tabs 110.
- Figure 6 shows the shielding 12, comprising the shield plate 121 and a small shield plate 123.
- the cover 102 has been omitted in Figure 6 for clarity.
- a recess is present on the upper side of the shield plate 121, facing the cover 102, in the region around the securing screws 108 and above the small shield plate 123.
- the shielding 12 is, however, significantly improved, and is almost closed, by means of an electrically conductive connection between the small shield plate 123 and the shield plate 121 and by means of an electrically conductive connection between the small shield plate 123 and the securing screws.
- the small shield plate 123 has two clamping arms 126 which, when the screws 108 are screwed in, are clamped respectively between the threaded bushing 107 and the securing screw 108.
- Figure 7 shows two connection arrangements 10 from below arranged next to one another.
- the printed circuit carrier or the printed circuit board has been omitted.
- the cover has been pivoted up, which is clear from the securing screws 108, which have not yet been screwed into the threaded bushings 107, and the rear resilient tongues 122 of the cover 102, which do not reach under the housing cover 121.
- the cover 102 has been placed on and screwed to the housing 101.
- the resilient tongues 122 on the rear short side of the cover 102 reach under the metal housing cover 121 and make an electrical connection therewith.
- Figure 8 shows two connection arrangements 10 from below with both covers placed on the housings and screwed thereto.
- Figure 9 shows the resilient tongues 122 engaged in the cover 102.
- the resilient tongues 122 can make an electrical connection with the conductive housing 2 or with adjacent connection arrangements 10, and in this way ensure that there is closed shielding of the wire connections.
- Figure 10 shows an example embodiment comprising four connection arrangements 10 lying next to one another and arranged in a conductive housing 2 having a correspondingly large recess 24 in the cover.
- the housing front wall 22 in this case has a correspondingly large number of wire feedthroughs 25 for the electrical wires 14.
- connection arrangements according to the invention may be used, for example, in a connection known in the industry as industrial Ethernet fast connect connection units.
- the electromagnetic shielding is achieved by means of a simple punched part to form the shield plate insert.
- a construction which is resilient on all sides of the metal housing ensures reliable electromagnetic shielding. This electromagnetic shielding exists even when there is no wire laid in, because of the electrical connection between all the adjacent metal components.
- the connection arrangement according to the invention allows components to be fitted to a printed circuit board singly or in rows.
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Description
- The invention generally relates to a shielded connection arrangement for data transfer, and more particularly to a shielded connection arrangement for making contact with an Ethernet line in industrial use.
- Various arrangements are known for connecting shielded electrical wires using housings with circuit carriers located therein. A shielded connector for connecting signal and ground between a mating connector and a printed circuit board or a cable includes a housing with an inner cavity which is formed by upper, lower and side walls and a rear wall. The surfaces of the housing are conductive in order to shield signal contacts which are located within the inner cavity and run through insulated regions in the rear wall. One construction includes a synthetic housing with a metal coating which forms a surface. Another construction includes a solid metal housing with a synthetic insert.
- A terminal block for shielded cables, such as data transfer cables , comprises a lower part and an upper part made from die-cast metal. The conductors of the cables to be connected are introduced into a charge block which can be latched inside the lower part. Located in the upper part is a carrier plate on which a printed circuit board carrying socket is seated. Insulation displacement contacts are seated in the carrier plate and penetrate into the charge block in order to make contact with the conductors when the upper part is placed on the lower part and joined thereto by means of a screw connection.
- A terminal block for shielded cables has a shielding housing comprising an upper part and a lower part. The cables to be connected are held by a clip which reaches around the exposed shielding of the cables. The clip is inserted in a receiver in the housing. A radial pressure presses the clip against the shielding of the cable on one side and against a receiver on the other side, in order to connect the shielding conductively to the housing. The receiver is located in the interior of the housing and holds the clip firmly in the form of a strain relief means.
- A shielded connection arrangement for data transfer in an industrial environment is known, which makes contact with a shielded electrical conductor or a plurality of electrical conductors of a shielded cable without the aid of a tool. The cables are pushed into a pivotal receiver and there make contact by means of insulation displacement contacts. The pivotal receiver is fixed by means of a cover, also pivotal. The housing and the pivotal cover each have a ground connection and form a shield against electromagnetic radiation.
- EP 0735 612 A1 discloses an electrical connector including an outer housing, a termination sub-assembly, upper and lower rows of electrical contacts, and a conductor holding block. The housing is formed by an electrically insulated plastic and may serve to assist the shielding of the connector by an internally and/or externally electrolessly metallic plating such as nickel or copper. Inside the housing, the termination sub-assembly receives in upper and lower rows said electrical contacts which in turn receive individually insulated discrete electrical conductors. The electrical conductors are further arranged in the conductor holding block for an easier assembly of the electrical connector. A shielding is provided in the termination sub-assembly for providing a horizontally electrical shielding between the vertically spaced rows of contacts and for providing a vertically electrical shielding between side-by-side-pairs of contacts. Further, a shielding is provided horizontally in the holding block for providing a shielding between the vertically spaced rows of contacts near said insulation displacing portions.
- In an exemplary embodiment of the present invention, a shielded connection arrangement is provided for electrically connecting at least one multiple-conductor shielded electrical wire to a circuit carrier or the like. For example, the shielded connection arrangement may be used for connecting an Ethernet line to an electrical device.
The exemplary arrangement includes a housing having a securable cover with an internal cavity formed between the housing and cover when the cover is secured. Insulation displacement contacts are located within the cavity for making contact with conductors of the at least one electrical wire. The housing and the cover are made of electrically insulating material, for example synthetic material or ceramic. Within the insulating housing and/or below the insulating cover there is a shield comprising at least one electrically conductive shield plate. The shield plate may preferably be inserted into the securable cover and fixed there, and it serves to shield the connection arrangement by forming a largely closed conductive surface surrounding the connection. The shield plate is detachably fixed in the cover by means of resilient tongues engaging in apertures in the cover, wherein the resilient tongues are projecting out of the cover for providing an electrical contact with an adjacent connection arrangement and/or a housing wall. - This shielded connection arrangement provides a simple and lightweight construction as a result of an electrically insulating housing made of ceramic or synthetic material, into which a shield plate in the form of a simple punched part is inserted. By comparison with a known housing made of relatively heavy metal, for example hot-chamber die-cast zinc, the exemplary connection arrangement according to the invention has a significantly lower weight and a simpler method of manufacture.
- The detachably fixed shield plate in the cover by means of resilient tongues engaging in apertures in the cover gives rise to a reliable mechanical connection between the cover and the shield, which is made by a latching or snap-in connection which is easy to use.
- According to an exemplary embodiment of the invention, with the connection arrangement inserted into a conductive housing and with the cover closed, the resilient tongues are in conductive connection with a housing wall or a housing cover and/or with resilient tongues of an adjacent connection arrangement. Thus the shield plate makes reliable contact both with neighbouring units and with a metal housing. This reliable contact provides a high level of electromagnetic radiation shielding enhancing safety.
- The cover is preferably mounted to pivot about a pivot axis fixed to the housing. Accordingly, the electrical wire may be connected in place by suspending it on the resilient tongues and pivoting the cover to a closed position. A screwdriver may be used as a lever to loosen the cover.. The cover may be screwed to the housing.
- In an exemplary embodiment of the invention, an additional small shield plate is provided within the housing, in electrical connection with the shield of the electrical wire. The small shield plate is fixed in a conductive connection with the shield plate when the cover is screwed on. Thus providing almost gap-free shielding of the interior of the housing from electromagnetic radiation.
- The insulation displacement contacts, for making contact with the wire conductors, and the small shield plate may each be soldered to a printed circuit carrier or a printed circuit board, with the contact pins of the small shield plate preferably soldered to an ground contact of the printed circuit carrier.
- In an exemplary embodiment of the invention, the housing may be secured on an underside by means of latching connections on the circuit carrier. These latching connections may be constructed, for example, as two, three or more latching tabs for latching into corresponding recesses in the circuit carrier.
- In another embodiment of the invention, a conductive housing of an electrical device or a device module, has one or more shielded connection arrangements arranged next to one another. The connection arrangements described are in particular suitable for ranging next to one another in the conductive housing, with the resilient tongues each projecting out of the covers of the housings of the connection arrangements being ideally suited to making contact with two adjacent connection arrangements. The resilient tongues of the at least one connection arrangement used may be in electrical connection with a housing wall or a housing cover or with resilient tongues of an adjacent connection arrangement, or with a combination thereof.
- The cover of the at least one shielded connection arrangement may, in accordance with an embodiment of the invention, end largely flush with the housing cover, with the cover preferably being capable of pivoting up and latching into an end position when an electrical connection arrangement is inserted into the conductive housing, for the purpose of laying in and making contact with a multiple-conductor shielded wire.
- The invention will be explained in detail with reference being made to the drawings, in which:
- Figure 1 shows a portion, in perspective, of a conductive housing with a connection arrangement according to an exemplary embodiment of the invention located therein,
- Figure 2 shows an exploded view of the connection arrangement of Figure 1,
- Figure 3 shows a perspective view of a shield plate according to an exemplary embodiment of the invention,
- Figure 4 shows a connection arrangement according to an exemplary embodiment of the invention with an electrical wire suspended in place and a cover opened,
- Figure 5 shows a connection arrangement according to an exemplary embodiment of the invention with the cover closed,
- Figure 6 shows a partial detail view of the shielding of the connection arrangement of Figures 4 and 5,
- Figures 7 and 8 show two connection arrangements according to an exemplary embodiment of the invention lying next to one another and seen from below, but with the printed circuit board omitted,
- Figure 9 shows a detail view of the connection arrangement of Figures 4 and 5, from below, and
- Figure 10 shows a row of four connection arrangements lying next to one another in a conductive housing according to an exemplary embodiment of the invention.
- An exemplary connection arrangement according to the invention is shown in Figure 1. In this exemplary embodiment, a
conductive housing 2 has ahousing front wall 22 and ahousing side wall 23, with twoconnection arrangements 10 disposed in thehousing 2 for the purpose of making contact between shieldedelectrical wires 14 and a printed circuit board (not shown) which is disposed in thehousing 2. Theelectrical wires 14 are each guided through openings orwire feedthroughs 25 in thehousing front wall 22 and each end in aconnection arrangement 10. Acover 102 is pivotally attached to thehousing 2 at each of theconnection arrangements 10, such that thet pivot between an open position and a closed position. The cover of one of the connection arrangements 10 (shown on the left in Figure 1) is pivoted upwards into the open position, revealing the connection of theelectrical wire 14 with insulation displacement contacts (103 shown in Figure 2). Acover recess 24 in thehousing cover 21 exposes the upper sides of theconnection arrangements 10, such that thecovers 102 can be pivoted upwards and latched into an end position at any time, providing access to theelectrical wire 14. - Figure 2 shows an exploded view of the
connection arrangement 10 according to an exemplary embodiment of the invention, substantially comprising ahousing 101 and acover 102 which is pivotally connected thereto and connectable at an end of thecover 102 opposite the pivotal connection, such as byconnectors 108. Thehousing 101 and thecover 102 are each made of an electrically insulating material, for example, synthetic material or ceramic. A plurality ofinsulation displacement contacts 103 are inserted in thehousing 101 and are each soldered to a printed circuit board by means of asolder pin 104. Thehousing 101 has a plurality of latchingtabs 110 on its underside, that are pressed into appropriate recesses in the printed circuit board to latch thehousing 101 to the circuit board. - A multiple-conductor shielded wire may be placed on the insulation displacement contacts using, for example, a 'pivot cover' 109, electrically connecting the conductors to their respective insulation displacement contacts. A
shield plate 121 is provided on the inside of thecover 102 covering substantially all of the entire inside of the cover. The shield plate may be pressed into thecover 102 in latching manner by means of a plurality ofresilient tongues 122. Theresilient tongues 122 engage inrespective apertures 105 in side walls of thecover 102. Thecover 102 is connected to thehousing 101 so as to pivot about itspivot axis 106 and is fixedly connected to thehousing 101 on a side opposed to thepivot axis 106 by means of two securingscrews 108 which engage in threadedbushings 107. - Figure 3 shows the
shield plate 121 which is inserted into thecover 102. Theshield plate 121 has a dish-shaped contour and is fixed in clamping manner in thecover 102 by means of a plurality ofresilient tongues 122. - Figure 4 shows the
connection arrangement 10 with thecover 102 pivoted up. Individual conductors (not shown) of the shieldedelectrical wire 14 are laid in thepivot cover 109 to make electrical connections by contact with theinsulation displacement contacts 103. Electrical connections are made between the wire conductors and theinsulation displacement contacts 103 by pressing in thepivot cover 109. Theelectrical wire 14 in this case lies largely horizontally in thehousing 101. When, thecover 102 is pivoted about apivot axis 106 it presses on thepivot cover 109 making electrical connections between the wire conductors and theinsulation displacement contacts 103. Then thecover 102 is screwed to thehousing 101 by means of the securing screws 108. - Figure 5 shows the closed, installed position of the
connection arrangement 10. Thehousing 101 is, in the illustrated emboidiment, connected to the printed circuit board in latching manner by means of the latchingtabs 110. - Figure 6 shows the shielding 12, comprising the
shield plate 121 and asmall shield plate 123. Thecover 102 has been omitted in Figure 6 for clarity. A recess is present on the upper side of theshield plate 121, facing thecover 102, in the region around the securingscrews 108 and above thesmall shield plate 123. The shielding 12 is, however, significantly improved, and is almost closed, by means of an electrically conductive connection between thesmall shield plate 123 and theshield plate 121 and by means of an electrically conductive connection between thesmall shield plate 123 and the securing screws. To this end, thesmall shield plate 123 has two clampingarms 126 which, when thescrews 108 are screwed in, are clamped respectively between the threadedbushing 107 and the securingscrew 108. - Figure 7 shows two
connection arrangements 10 from below arranged next to one another. For the sake of better clarity, the printed circuit carrier or the printed circuit board has been omitted. In the connection arrangement shown on the left in Figure 7, the cover has been pivoted up, which is clear from the securingscrews 108, which have not yet been screwed into the threadedbushings 107, and the rearresilient tongues 122 of thecover 102, which do not reach under thehousing cover 121. In theconnection arrangement 10 shown on the right in Figure 7, thecover 102 has been placed on and screwed to thehousing 101. Theresilient tongues 122 on the rear short side of thecover 102 reach under themetal housing cover 121 and make an electrical connection therewith. - Figure 8 shows two
connection arrangements 10 from below with both covers placed on the housings and screwed thereto. - Figure 9 shows the
resilient tongues 122 engaged in thecover 102. Theresilient tongues 122 can make an electrical connection with theconductive housing 2 or withadjacent connection arrangements 10, and in this way ensure that there is closed shielding of the wire connections. - Figure 10 shows an example embodiment comprising four
connection arrangements 10 lying next to one another and arranged in aconductive housing 2 having a correspondinglylarge recess 24 in the cover. Thehousing front wall 22 in this case has a correspondingly large number ofwire feedthroughs 25 for theelectrical wires 14. - The connection arrangements according to the invention may be used, for example, in a connection known in the industry as industrial Ethernet fast connect connection units. The electromagnetic shielding is achieved by means of a simple punched part to form the shield plate insert. As a result of avoiding the known heavy metal construction (for example of die-cast zinc), a lightweight construction and a low-cost method of manufacture are achieved. A construction which is resilient on all sides of the metal housing ensures reliable electromagnetic shielding. This electromagnetic shielding exists even when there is no wire laid in, because of the electrical connection between all the adjacent metal components. The connection arrangement according to the invention allows components to be fitted to a printed circuit board singly or in rows.
- The foregoing illustrates some of the possibilities for practicing the invention. Many other embodiments are possible within the scope of the invention. It is, therefore, intended that the foregoing description be regarded as illustrative rather than limiting, and that the scope of the invention is given by the appended claims together with their full range of equivalents.
Claims (15)
- A shielded connection arrangement for electrically connecting at least one multiple-conductor shielded electrical wire to a circuit carrier, the connection arrangement having a housing (101) with a securable cover (102) and, arranged in the housing (101), insulation displacement contacts (103) for making contact with wire conductors of the at least one electrical wire (14), wherein the housing (101) and the cover (102) are electrically insulating, and within the insulating housing (101) and the cover (102) there is an electrically conductive shield plate (121) for shielding (12) the interior of the housing in a manner which is substantially closed, characterised in that
the shield plate (121) is detachably fixed in the cover (102) by means of resilient tongues (122) engaging in apertures (105) in the cover (102) and projecting out of the cover (102) for providing an electrical contact with an adjacent connection arrangement (10) and/or a housing wall. - A shielded connection arrangement according to Claim 1, characterised in that the shield plate (121) is inserted into the securable cover (102) and fixed there.
- A shielded connection arrangement according to Claim 2, characterised in that, with the connection arrangement (10) inserted into a conductive housing (2) and with the cover (102) closed, the resilient tongues (122) are in conductive connection with a housing wall (22, 23) or a housing cover (21) or with resilient tongues (122) of an adjacent connection arrangement (10).
- A shielded connection arrangement according to one of the preceding claims, characterised in that the cover (102) is mounted to pivot about a pivot axis (106) fixed to the housing.
- A shielded connection arrangement according to one of the preceding claims, characterised in that, within the housing (101), an additional small shield plate (123) is provided, in electrical connection with the wire shield (142) of the electrical wire (14).
- A shielded connection arrangement according to one of the preceding claims, characterised in that the cover (102) is screwed to the housing (101).
- A shielded connection arrangement according to one of the preceding claims, characterised in that the small shield plate (123) is fixed in electrical connection with the shield plate (121) when the cover (102) is screwed on.
- A shielded connection arrangement according to one of the preceding claims, characterised in that the insulation displacement contacts (103) are soldered to a printed circuit carrier.
- A shielded connection arrangement according to one of the preceding claims, characterised in that the small shield plate (123) is soldered to a ground contact of the printed circuit carrier.
- A shielded connection arrangement according to one of the preceding claims, characterised in that the housing (101) has on an underside at least two latching connections for securing it to the circuit carrier.
- A shielded connection arrangement according to one of the preceding claims, characterised by the housing (101) is formed of insulating material.
- A conductive housing of an electrical device or a device module, having one or more shielded connection arrangements (10) arranged next to one another, according to one of Claims 1 to 11.
- A conductive housing according to Claim 12, characterised in that the resilient tongues (122) of the at least one connection arrangement (10) used are in electrical connection with a housing wall (22, 23) or a housing cover (21) or with resilient tongues (122) of an adjacent connection arrangement (10).
- A conductive housing according to Claim 12 or 13, characterised in that the cover (102) of the at least one shielded connection arrangement (10) ends largely flush with the housing cover (21).
- A conductive housing according to one of Claims 12 to 14, characterised in that cover (102) is capable of pivoting up and latching into an end position to allow an electrical connection arrangement (10) to be inserted into the conductive housing (2), for the purpose of laying in and making contact with a multiple-conductor shielded wire (14).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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EP20030020380 EP1403966B1 (en) | 2002-09-28 | 2003-09-10 | Shielded connection arrangement for data transfer |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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EP02022043 | 2002-09-28 | ||
EP02022043 | 2002-09-28 | ||
EP20030020380 EP1403966B1 (en) | 2002-09-28 | 2003-09-10 | Shielded connection arrangement for data transfer |
Publications (2)
Publication Number | Publication Date |
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EP1403966A1 EP1403966A1 (en) | 2004-03-31 |
EP1403966B1 true EP1403966B1 (en) | 2006-11-29 |
Family
ID=31979840
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20030020380 Expired - Lifetime EP1403966B1 (en) | 2002-09-28 | 2003-09-10 | Shielded connection arrangement for data transfer |
Country Status (1)
Country | Link |
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EP (1) | EP1403966B1 (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4533199A (en) * | 1983-11-14 | 1985-08-06 | Burndy Corporation | IDC termination for coaxial cable |
US5605469A (en) * | 1995-01-05 | 1997-02-25 | Thomas & Betts Corporation | Electrical connector having an improved conductor holding block and conductor shield |
DE60124727T2 (en) * | 2000-08-17 | 2007-09-13 | Tyco Electronics Amp Gmbh | ELECTRICAL CONNECTOR FOR DATA TRANSMISSION IN AN OPERATING ENVIRONMENT |
-
2003
- 2003-09-10 EP EP20030020380 patent/EP1403966B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1403966A1 (en) | 2004-03-31 |
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