EP2280454B1 - Cable system - Google Patents
Cable system Download PDFInfo
- Publication number
- EP2280454B1 EP2280454B1 EP10171011.9A EP10171011A EP2280454B1 EP 2280454 B1 EP2280454 B1 EP 2280454B1 EP 10171011 A EP10171011 A EP 10171011A EP 2280454 B1 EP2280454 B1 EP 2280454B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cable
- connector
- conductor
- conductors
- outer jacket
- 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.)
- Not-in-force
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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
- 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
- H01R12/50—Fixed connections
- H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
- H01R12/65—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal
- H01R12/67—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal insulation penetrating terminals
- H01R12/675—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal insulation penetrating terminals with contacts having at least a slotted plate for penetration of cable insulation, e.g. insulation displacement contacts for round conductor flat cables
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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
- 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
- H01R12/50—Fixed connections
- H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
- H01R12/61—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to flexible printed circuits, flat or ribbon cables or like structures
- H01R12/613—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to flexible printed circuits, flat or ribbon cables or like structures by means of interconnecting elements
- H01R12/616—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to flexible printed circuits, flat or ribbon cables or like structures by means of interconnecting elements having contacts penetrating insulation for making contact with conductors, e.g. needle points
Definitions
- the invention relates to a cable system, particularly an assembly comprising a cable having several conductors and a connector for it.
- An example of such a cable is a so-called flexible flat cable having several flexible conductors that extend parallel to each other.
- the conductors are accommodated in an insulating sheath that keeps the flexible conductors separated from each other.
- the conductors and the jacket extend in a straight plane.
- Connectors so-called Insulation Displacement Connectors that are called IDC connectors in short, can be connected to said cable.
- the cable is accommodated in the connector at the desired location, wherein conductive clamps or pins of the connector locally cut through the insulation sheath to get into electrically conductive contact.
- Flexible flat cables with IDC connectors are for instance used for within an electronic appliance electrically coupling spaced apart printed-circuit boards to each other.
- the conductors are then used for the electric energy supply as well as the various control currents, wherein the IDC connectors connect to all conductors.
- the use of flexible flat cables is limited (by law) because of the limited conducting cross-section, as a result of which the cable can only have a limited maximum length in practice does not meet the requirements within buildings or utility construction.
- US 5,190,468 discloses a receptacle tap and a cover that together confine a ribbon cable.
- the cover comprises central openings to receive cable alignment pieces. After placement of the alignment a splice module with insulator displacement pins can be inserted into one of the alignment pieces to make an electrical connection with the ribbon cable.
- the invention provides an assembly according to claim 1.
- the first cable is a so-called flat cable of which the first, second and third conductor have a solid core having an optimal conducting cross-section.
- the three conductors can be used for an earth wire, a neutral wire and 220-240 Volt phase wire, of which by means of the first connector a branch can be made.
- the control current conductors within the insertion framework still remain undisturbed. In utility construction this suffices for many branching points.
- the second connector can be placed in the insertion framework and be brought into contact with the control current conductors for at that location branching control current as well.
- Control current is a low-ampere-current for controlling electric components that are fed by or have been connected to the first, second and third connector.
- the control current can for instance be controlled on the basis of a serial bus protocol, such as the KNX protocol.
- the first connector is provided with a cable carrier having an abutment profile shaped complementary to the outer jacket in which carrier the first cable is fittingly accommodated, wherein the first electrical contacts project from the abutment profile, wherein the insertion framework laterally interrupts the abutment profile.
- the abutment profile is able to secure the position of the first cable within the connector reliably, and thus also the position of the control current cables within the insertion framework.
- the second connector can then reliably engage onto the desired control current cables.
- the insertion framework has a rectangular shape.
- the second connector can be secured within the insertion framework when the first and second connector are provided with cooperating couplings for coupling the second connector to the first connector within the insertion framework.
- the first cable itself carries the second coupling within the insertion framework.
- the assembly further comprises a branching conductor to be connected to the first connector, wherein the branching conductor is built up with an insulating sheath of electrically insulating material in which only one singular solid core of electrically conductive material is accommodated, wherein the first connector comprises a branch connection for the branching conductor, wherein the branch connection comprises an insert contact that is electrically conductively connected to at least one of the electrical contacts and an insertion channel leading to the insert contact, wherein the insertion channel is oriented for guided insertion of the branching conductor to the insert contact in an insertion direction parallel to the notional straight plane of the first cable.
- the first cable is a so-called flat cable of which the first, second and third conductor have a solid core having an optimal conducting cross-section.
- the three conductors can be used for an earth wire, a neutral wire and 220-240 Volt phase wire, of which by means of the first connector a branch can be made.
- the flat first cable and the branching conductor behave like rigid cables due to the solid cores, wherein due to the insertion direction being parallel to the first cable an as regards height compact branch can be effected.
- the insertion channel is oriented for guided insertion of the branching conductor with the insertion direction parallel to the longitudinal direction of the cable.
- the housing comprises an outer wall extending above the cable in which wall the insertion channel is defined.
- the branching conductor can be inserted into the insertion channel with visual overview.
- the insertion channel is bounded by a slide that is partially recessed in the outer wall and open at the side facing away from the cable.
- the branching conductor can then be laid into the slide from above in order to be guided.
- the slide preferably has a cylindrical bottom shape. Such a shape connects to a round insulating sheath of the branching conductor.
- the insertion channel is bounded by a tunnel segment partially extending above the outer wall and defining a passage through the upper wall.
- the branching conductor can then be guided within the tunnel segment to its end position.
- the tunnel segment has a cylindrical inner wall and/or upper wall.
- Such a shape connects to a round insulating sheath of the branching conductor.
- the upper wall then at the outer wall forms point of recognition for the insertion of the branching conductor.
- the tunnel segment is situated behind the slide.
- the tunnel segment runs into connection with the slide.
- An outer end of the branching conductor of which the insulating sheath has been stripped off can be permanently connected to the connector in one inserting motion when the insert contact is adapted for self-locking engagement to the core of the branching conductor.
- the insertion channel of the branch connection considered transverse to the notional straight plane is situated straight above the conductor with which the branch connection is in electrically conductive contact via its electrical contact. In that way the location of the insertion channel provides an immediate visual indication of the conductor with which via said insertion channel contact can be made. This limits the risk of wrong connections.
- the connector comprises several branching conductors, for instance one or two for each of the first, second and third conductor, wherein the branching conductors in the insertion direction are mutually staggered in order to simplify the insertion of the branching conductors.
- the assembly further comprises a second cable, wherein the first connector engages onto the first and second cable, wherein the second cable comprises an outer jacket and adjacent to each other a first, a second and a third conductor that extend within the outer jacket substantially parallel to each other and at substantially fixed mutual distances in a notional common straight plane, wherein the first, second and third conductor are each built up with an insulating sheath of electrically insulating material in which only one singular solid core of electrically conductive material is accommodated, wherein the first housing comprises first electrical contacts that cut through the jacket and second electrical contacts that cut through the jacket, wherein the first contacts each cut through the outer jacket and the insulating sheaths of the first, second or third conductor of the first cable and then are in electrically conductive contact with its cores and the second contacts each cut through the outer jacket and the insulating sheaths of the first, second or third conductor of the second cable and then are in electrically conductive contact with its cores, wherein the first and second cables extend through the first housing straight
- the cables are so-called flat cables of which the first, second and third conductor have a solid core having an optimal conducting cross-section.
- the three conductors can be used for an earth wire, a neutral wire and 220-240 Volt phase wire, of which by means of the first connector a branch can be made.
- the flat cables behave like rigid cables due to the solid cores. Due to the cables being parallel the rigid cables can nonetheless relatively easily, because transverse to their plane, be urged to the connector, wherein by means of the connector an as regards height compact cable coupling can be effected.
- the first connector is provided with a cable carrier partially accommodated in the first housing and the electrical contacts project from the first housing in the direction of the cable carrier, wherein the cable carrier is movable with respect to the first housing between a first pre-determined position in which the electrical contacts are spaced apart from the outer jacket, and a second pre-determined position in which the electrical contacts cut through the outer jacket and the insulating sheath.
- Connecting the first connector to the cables can then take place in two consecutive actions, wherein the cables are first positioned in the cable carriers and the cable carriers are then brought from the first position in the second position in order to bring the electrical contacts in connection.
- Changing the position of the cable carriers can for instance be effected by means of a pair of pincers in which the first connector is accommodated.
- the cable carrier is provided with an inlay part and a closing lid, wherein in the first position of the cable carrier the closing lid can be placed on the inlay part for fitting confinement of the first or second cable.
- the closing lid By means of closing the lid the cable in question can be positioned with respect to the connector.
- the connector preferably is provided with closing parts for the lid, wherein the closing parts are adapted for repeatedly opening and closing the lid in the first position and permanently closing the lid in the second position. In that case by opening the lid again the connector can be re-positioned or be shifted with respect to the cable when this is necessary.
- the outer jacket or the insulating sheaths have not yet been cut through. After bringing the cable carriers to the second position, that means after cutting through the jackets and sheaths, this will no longer be possible due to the permanent closure unless the connector is inadvertently forced or destroyed.
- the housing is provided with bendable breaking lips which at the free outer end are provided with a closing cam oriented to the cable carrier, which cam in the second position of the cable carrier engages onto the cable carrier for permanently blocking a return to the first position, wherein the breaking lip is adapted for breaking when ending the engagement of the closing cam by bending outwards.
- the cable carrier can only return to the first position by destroying the breaking lips, as a result of which the functionality of the connector is ended. In that way it can be achieved that a connector is not reused.
- first or second cable is fittingly accommodated in an abutment profile of the cable carrier which profile is shaped complementary to the outer jacket.
- the outer contour of the outer jacket at the location of the conductors is higher than between the conductors for at the outer side of the outer jacket visibly and palpably indicating the location of the conductors, wherein the notional straight plane defines a plane of symmetry for the outer contour, wherein the intermediate distance between the first and the second conductor is larger than the intermediate distance between the second and the third conductor.
- the flat cable can then be fittingly laid in the inlay channels of the complementary shaped abutment profile, wherein the symmetry in the outer jacket on the one hand and the differences in the intermediate distances on the other hand here impose that laying in is only possible in two positions.
- the outer contour of the outer jacket at the location of the conductors is higher than between the conductors for at the outer side of the outer jacket visibly and palpably indicating the location of the conductors, wherein the notional straight plane defines a plane of symmetry for the outer contour, wherein considered transverse to the plane of symmetry the shape of the outer contour above the first conductor differs from the shape of the outer contour above the second and/or third conductor.
- the flat cable can then be fittingly laid in the inlay channels of the complementary shaped abutment profile, wherein the symmetry in the outer jacket on the one hand and the differences in the shapes on the other hand here impose that laying in is only possible in two positions.
- the difference in these positions is only that the flat cable has been turned around about its latitudinal axis.
- the conductors therefore only drop in the correct for that purpose complementary shaped inlay channels of the abutment profile, as a result of which the connection differences onto the various conductors can be counteracted.
- Said properties render the cables and connector particularly suitable for use within buildings or in utility construction, wherein the three conductors can be used for the earth wire, the neutral wire and a 220-240 Volt phase wire, respectively.
- the earth wire can then in principle not be interchanged with the phase wire.
- the abutment profiles for the first and second cable are symmetrical with respect to a middle plane of symmetry extending parallel between the cables.
- the assembly further comprises a cable and an appliance connection connected to the first connector
- the first connector comprises a multipolar first plug connection onto the housing that is electrically connected to the electrical contacts, wherein the electrical contacts each cut through the outer jacket and the insulating sheaths of the first, second or third conductor and then are in electrically conductive contact with its core
- the appliance connection is provided with a multipolar second plug connection and a flexible multi-lead cable connected to the second plug connection of which multi-lead cable the leads are each built up from a bundle of several conductors, wherein the first plug connection and the second plug connection are connected to each other and are intended and adapted for breaking and realising the mutual connection several times.
- the assembly may be part of an electric power supply installation for appliances, for instance lighting fixtures integrated in a ceiling system.
- the assembly provides to possibility to be built up in stages, wherein first the flat cable is placed and is provided with the first connector, subsequently the ceiling system is built up and finally a lighting fixture is installed. The lighting fixture is then connected to the flexible multi-lead cable and the first plug connection is connected to the already installed second plug connection.
- the same cable can be provided with several connectors that are divided over the length of the cable, as a result of which on several locations a pre-installed first plug connection is present.
- the connector is provided with several first plug connections and several appliance connections connected thereto.
- one first connector can then form a local central power point for several lighting fixtures.
- FIGS 1A-4B show a first flat cable 100, and a second flat cable 200, a third flat cable 300 and a fourth flat cable 400 in accordance with different embodiments of the invention.
- cables 100, 200, 300, 400 corresponding parts have the same reference numbers.
- Figures 1A and 1B show the first flat cable 100.
- the cable 100 is provided with an outer jacket 101 of a flexible synthetic material, having a constant cross-section over its length L.
- the flat cable 100 is provided with a first electrical conductor 10, a second electrical conductor 20 and a third electrical conductor 30 which are fully enveloped all round by the outer jacket 101.
- the conductors 10, 20, 30 extend parallel to each other in the middle longitudinal plane and plane of symmetry or middle longitudinal plane V of the flat cable 100.
- the conductors 10, 20, 30 each comprise only one singular solid core 11,21,31 having a circular cross-section.
- the core 11,21,31 is made of electrically conductive metal.
- the solid core 11, 21, 31 is fully enveloped all round by an insulating sheath 12, 22, 32 also having a circular cross-section.
- the insulating sheath 12, 22, 32 is made of a flexible, electrically insulating synthetic material.
- the outer jacket 101 in cross-section has an octagonal outer contour, or a quadrangular outer contour of which the corners have a straight bevel, as a result of which the outer jacket 101 at the upper side and the lower side is provided with a straight surface 102 that extends parallel to the plane of symmetry V, a straight end surface 104 and two straight inner surface 105 that extend perpendicular to the plane of symmetry V, and four straight bevelled surface 106 that are at an angle of 45 degrees to the plane of symmetry V.
- the outer jacket 101 has a constant radial thickness, as a result of which circular outer contour sections 107 have been formed, of which between the second and third conductor 20, 30 a notional circular continuation P contacts the adjacent insulation sheath 22, 32.
- the outer jacket 101 is provided with a first straight bridge section 108 having a constant thickness, as a result of which the outer jacket 101 is provided with two straight surfaces 109 that extend parallel to the plane of symmetry V.
- the thickness of the straight bridge section 108 is substantially equal to the thickness of the cores 11, 21, 31 of the conductors 10, 20, 30 and is smaller than the entire thickness of the outer jacket 101 straight above the conductors 10 20, 30.
- the first bridge section 108 comprises a repetitive pattern, extending in the longitudinal direction L, of continuing first holes 120 having substantially the same lengths and mutually substantially the same intermediate distances, as a result of which a repetitive pattern of bridge section segments 122, 122a has been formed also having mutually substantially the same lengths and mutually substantially the same intermediate distances.
- a fixed number of several successive bridge section segments 122 is succeeded by the bridge section segment 122a that is provided with several continuing second holes 121 and therewith forms a repetitive pattern.
- the first holes 120 have a rectangular circumference.
- the holes 120, 121 can be used for securing the cable 100 by means of pins or flat binders wherein the second holes 1 21 show a practical unit of length for the cable 100, for instance one meter. In that way an electrician has a simple aid for cutting the correct length of cable 100 from a supply roll.
- the cable 100 can be provided with a printed marking of a unit of length, for instance one meter.
- the outer jacket 101 is in detached yet abutting contact with the insulating sheaths 12, 22, 32, as a result of which it can be stripped away at an outer end of the cable 100 such that the conductors 10, 20, 30 remain intact.
- Their insulating sheaths 12, 22, 32 can be stripped away individually to expose the solid conductive core 11, 21, 31, as the insulating sheaths 12, 22, 32 are in detached yet abutting contact with the cores 11, 21, 31 as well.
- the outer jacket 101 is made of a polyolefin combined with fire-retardants.
- the insulating sheaths 12, 22, 32 are made of cross-linked polyethene.
- the insulating sheath 12 of the first conductor 10 in this example is substantially yellow with green stripes or bands 13 to indicate an earth conductor.
- the insulating sheath 22 of the second conductor 20 is blue to indicate a neutral conductor, and the insulating sheath 32 of the third conductor 30 is brown to indicate a phase conductor.
- the solid cores 11, 21, 31 are made of copper, and in this example in cross-section have a surface of 2.5 square millimetres.
- the first bridge section 108 then ensures sufficient distance from the first conductor 10 used for earthing with respect to the other conductors 20,30.
- the colours, cable thicknesses and differences in distance used in this example for the conductors 10, 20, 30 are typical of the use of the cable 100 in monophase 220-240 Volt low-voltage installations, such as in utility construction or machinery.
- the solid cores 11, 21, 31 then ensures an acceptably low internal resistance of the conductors 10, 20, 30. Due to the symmetry in the upper side and lower side of the cable 100 it is possible to safely accommodate it in a schematically shown Insulation Displacement Connector or IDC connector 500.
- the IDC connector 500 is provided with a first clamping part 501 and a second clamping part 502 which in direction U can be placed fittingly against each other, wherein at the side facing the cable 100 the clamping parts 501, 502 are provided with a profile having parallel inlay channels that fittingly connect to the upper and lower side of the cable 100.
- the first clamping part 501 is in that case per inlay track provided with electrically conductive cutting pins 503, 504, 505 which when accommodating the cable 100 partially cut through the outer jacket 101 and the insulating sheath 12, 22, 32 to come into electrically conductive contact with the respective cores 11, 21, 31.
- the cable 100 can only be laid in in the position shown and turned around about its latitudinal axis in direction Q, wherein with both inlay possibilities the insert contacts 503, 504, 505 get into contact with the same conductor 10, 20, 30.
- the differences in shape and height in the latitudinal direction of the outer jacket 101 clearly shows the location of the various conductors 10, 20, 30 from the outside.
- FIGS 2A and 2B show the second flat cable 200 in accordance with the invention.
- the outer jacket 201 at the side of the first conductor 10 that faces away from the second and third conductor 20, 30 is provided with a second straight bridge section 110 which at the upper side and the lower side defines a straight surface 111, and an oval-round jacket part 112 in which a twin conductor 60 wrapped in metal foil 63 and having an insulating sheath 62 and two parallel cores 61, has been accommodated.
- the oval-round jacket part 112 is then built up with two half, circular arches that are oppositely oriented and by means of straight parallel lines are connected to each other.
- the cores 61 of the twin conductor 60 have a diameter that can be smaller than the first, second and third conductor 10, 20, 30 and can each be formed as singular core or as multiple or entwined core.
- the twin conductor 60 can for instance be used for electronic bus communication, for instance according to the KNX protocol, using equipment that possibly by means of the first, second and third conductor 10, 20, 30 are provided with earthing and electric power.
- the clamping parts 551, 552 of the used IDC connector 550 for that purpose are provided with an extra inlay channel having prick pins 506 of which the electrically conductive outer end cuts into the centre of the cores 61 when clamping the cable 200.
- Figure 3A-3C show the third flat cable 300.
- the third cable 300 with outer jacket 301 is also provided with a fourth conductor 40 and a fifth conductor 50 which with respect to the first conductor 10, the second conductor 20 or the third conductor 30 only differ in colour of the insulating sheath.
- the insulating sheath 42 of the fourth conductor 40 is black and the insulating sheath 52 of the fifth conductor 50 is grey.
- the colours and cable thickness used in this example are typical of the use of the cable 300 in three phase 380-400 Volt low-voltage installations, such as in utility construction or machinery.
- the colours used in the various embodiments are in accordance with European harmonisation document HD308 and the Dutch NEN1010 standard.
- Figure 3C shows the third cable 300 in top view, perpendicular to the plane of symmetry V, so that the repetitive pattern of first holes 120 and bridge section segments 122, 122a is visible.
- the first holes are longer than the bridge section segments 122, 1 22a.
- the first holes 120 have a width of 2.5 mm and a length of 32.5 mm
- the second holes 121 have a width of 2.5 mm and a length of 5 mm.
- the bridge section segments 122, 122a have a length of 30 mm.
- FIGS 4A and 4B show the fourth flat cable 400 in accordance with the invention.
- the oval-round jacket part 112 is added to the outer jacket 401 in which jacket part the twin conductor 60 wrapped in metal foil 63 is accommodated for bus communication with equipment that possibly by means of the first, second, third, fourth and fifth conductor 10, 20, 30, 40, 50 are provided with earthing and electric power.
- the first cable 100, the second cable 200, the third cable 300 and the fourth cable 400 are provided with the same repetitive pattern of first holes 120 and bridge section segments 122, 122a.
- Figure 3D shows the third cable 300 in top view, perpendicular to the plane of symmetry V, so that an alternative pattern is visible that can also be applied to the first cable 100, the second cable 200 and the fourth cable 400.
- the first bridge section 108 comprises a repetitive pattern of elongated continuing third holes 123 that extend in the longitudinal direction L, which holes have substantially the same lengths and are at substantially the same intermediate distances as a result of which a repetitive pattern of bridge section segments 124 is formed also having substantially the same lengths and at substantially the same intermediate distances one to the other.
- the third holes 123 are shorter than the bridge section segments 124.
- the third holes 123 have a width of 2.5 mm and a length of 20 mm.
- the bridge section segments 124 have a length of 30 mm. Therefore the bridge section segments 1 24 jointly cover a length that is at least half, in particular at least 60 percent of the overall length of the third cable 300.
- the third holes 123 can be formed like two consecutive partial holes, as a result of which in the middle of said partial third holes 123 a narrower bridge section segment 125 is left as is shown for one of the third holes 123.
- the said shape characteristics of the outer jacket are limited to flat cables of which the conductors have a singular solid core. Likewise the conductors may have flexible or multiple bundled or entwined cores.
- Figure 5A shows the fourth flat cable 400 and a first connector 600 in accordance with the invention to be connected thereto.
- FIGS 5B-5D parts have consecutively been removed from the connector 600.
- the first connector 600 is built mirror-symmetrical with respect to its middle longitudinal plane W which functionally divides the connector 600 in a top connection 621 and a bottom connection 622, or rotation-symmetrical with respect to a line situated in the middle longitudinal plane W.
- the corresponding parts of the connections 621, 622 will be elucidated below on the basis of the top connection 621.
- the first connector 600 comprises a synthetic housing 623 which carries two synthetic cable carriers 660.
- the housing 623 comprises a straight bottom 624 situated in the middle longitudinal plane W and oriented transverse thereto a straight rear wall 626, two straight side walls 625 and two front wall members 627 oriented to each other and connected to the side walls 625, which jointly define a rectangular outer shape of the housing 623.
- the front wall members 627 are connected to a receded wall 628 that extends parallel to the front wall members 627 for bounding a rectangular insertion framework 630.
- the side walls 625 are provided with a projecting, elongated fastening rib 633 that extends through the middle longitudinal plane W.
- the side walls 625 are provided with a profiled recess 640 for accommodation of one of the sides of the jacket 401 of the fourth flat cable 400.
- the recess 640 consecutively comprises a first profile section 641 for the four circular jacket segments 107 and a second profile section 642 for the polygonal jacket segment 102, 106 and the oval jacket segment 112.
- the first profile section 641 and the second profile section 642 are separated from each other by a raised section 643 of the side wall 625 that may fittingly connect to the first bridge section 108 and the sections of the polygonal jacket segment 102, 106 connecting immediately thereto and the circular jacket segment 107.
- the intermediate walls 629 and the receded wall 628 are provided with a common profiled recess 644 of which the edge 645 considered in the direction of the middle longitudinal plane W, forms a continuation or projection of the second profile section 642.
- the housing 623 is provided with a total of five metal cutting contacts 655, divided over the bottom 624, of which contacts the shape is mirror-symmetrical with respect to the middle longitudinal plane W.
- the cutting contacts 655 comprise a footing 652 that is secured in a passage in the bottom 624, which passage is bounded by a circumferential thickening 643, and on either side of the middle longitudinal plane W two blades 651 positioned upright therefrom that bound a straight insertion slot 654.
- the blades 651 extend up to the upper edge of the housing 623, where the insertion slot 654 has a widened accommodation end.
- the cable holder 660 comprises a cable inlay part 661 that is positioned fittingly yet moveable in a translatory manner in direction C transverse to the middle longitudinal plane W within the walls 625, 626, 627, 629 of the housing 623.
- the walls 625, 626, 627, 628, 629 therefore impose the guided translation of the cable inlay part 661 in direction C.
- a recess 668 is also defined in the inlay part 661, which recess coincides or complies with the inside of the insertion framework 630 of the housing 623.
- the cable inlay part 661 is provided with consecutively a hinge half 666, four first straight channel-shaped profile sections 663 that are shaped complementary to the four round jacket segments 107, a straight channel-shaped second profile section 664 that is shaped complementary to the polygonal jacket segment 102, 106 and a third profile section 665 that is shaped complementary to the oval jacket segment 112 of the fourth cable 400. Furthermore straight top surfaces 682, 683 are provided for fitting abutment against the first bridge section 108 and second bridge section 110, respectively.
- passage slits 674 are provided that coincide with the cutting contacts 655, wherein on either side of the middle longitudinal plane W the insertion slots 654 are situated in the centre of the four first profile sections 663, the second profile section 664 and the third profile section 655, respectively.
- the cable inlay part 661 is provided with a hooked-shaped hold-up device 667 of which the outer end 669 in the shown intermediate position of the connector 600 at the front side supports on an inwardly oriented first cam 631 at the front wall member 627 and at the rear side on an inwardly oriented third cam 688 at the rear wall 626 of the housing 623.
- the cable inlay part 661 is furthermore provided with two permanent closing cams 670 at the side of the hinge half 666, and at the opposing other side thereof with two closing lips 671 having a first recess 672 in which an inwardly oriented second cam 632 at the front wall member 627 extends.
- the housing 623 is furthermore provided with an inwardly oriented, central permanent closing cam 687 at the rear wall 626 that is able to engage onto an edge that is formed by a recess that is not further shown, in the cable inlay part 661.
- the second cams 632 and the central closing cam 687 are formed at bendable breaking lips 689, 690, wherein at the front side adjacent to the breaking lip 690 a same indication lip 691 is provided.
- the cable holder 660 furthermore comprises a closing lid 662 which in the position shown projects substantially above the housing 623.
- the closing lid 662 is in the position in which it can easily be opened again.
- the closing lid 662 is consecutively provided with a hinge half that is not further shown and that is snapped fixed to the hinge half 666 of the inlay part 661, four straight channel-shaped first profile sections 676 that are shaped complementary to the four round jacket segments 107, a straight channel-shaped second profile section 677 that is shaped complementary to the polygonal jacket segment 102, 106 and a channel-shaped third profile section 678 that is shaped complementary to the oval jacket segment 112 of the fourth cable 400.
- Access to the third profile section 678 is closed off on both sides by means of cap 686 that can be broken away. Furthermore straight top surfaces 684, 685 are provided for fitting abutment against the first bridge section 108 and the second bridge section 110, respectively.
- the closing lid 662 is provided with jacket puncturers that are not shown that project from the middle of the profile sections 676, 677, 678 for partially elastically puncturing only the outer jacket 401 without damaging it permanently.
- the closing lid 662 is provided with closing hooks 679 extending adjacent to the closing lips 671, which hooks are able to temporarily engage behind an edge that is not further shown of the inlay part 661.
- an insertion opening 680 is provided that extends along the closing hooks 679, in which insertion opening for instance a screwdriver can be inserted for temporarily releasing the closing hooks 679 by means of local elastic deformation of the area adjacent to the closing hooks 679.
- two second recesses 673 are provided in the corner edges.
- the closing lid 662 is provided with reinforcement ribs 675 which in the middle define a lowered engagement surface 681 for a pair of pincers.
- FIG 5A adjacent to the connector 600 a block-shaped branching connector 90 is schematically shown in accordance with the invention.
- the branching connector 90 comprises two clamping halves 91 having an internal profile 92 that is shaped complementary to the oval jacket segment 112 of the fourth cable 400, and two prick pins that are not shown of which the electrically conductive outer end is electrically connected to branch cables 93.
- the branching connector 90 can be fittingly placed in the insertion framework 630.
- the closing lids 662 When in a first application connecting the two fourth flat cables 400 to the connector 600, the caps are broken away, the closing lids 662 are swung open in direction B and the cables 400 are laid fittingly from the outside into the profiles 663, 664, 665 of the inlay part 661. Due to the various profile shapes this is only possible in the position shown and in the position in which the cable is rotated 180 degrees about its latitudinal axis Q.
- the cables 400 now extend parallel to each other and parallel to the middle longitudinal plane V through the connector 600.
- the closing lids 662 are closed in direction D and kept temporarily closed by the closing hooks 679.
- the electrician can for instance still slide the connector 600 along the cables 400 for securing the correct position and the mutual relation in the work.
- a tool for instance the pair of pincers 1200 discussed below and shown in figure 10 , is placed on the opposing engagement surfaces 681 for a pair of pincers and squeezed together.
- the cable holders 660 drop, guided in a translatory manner, in direction C into the housing 623, wherein the hold-up devices 667 move past the first cams 631 of the housing 623, and the second cams 632 come out of the closing lips 671 and drop into the second recesses 673 and the permanent closing cams 670 drop behind an edge at the bottom 624 that is not further shown.
- the cutting contacts 655 in this case cut through the outer jacket 401 and the insulating sheaths 12, 22, 32, 42, 52 and on both sides envelop the respective core 11, 21, 31, 41, 51 of the conductors 10, 20, 30, 40, 50. In that way electric connections are formed only between conductors 10, 20, 30, 40, 50 that with respect to the longitudinal plane of symmetry W are situated straight opposite each other and above one another. Due to the shape of the second cams 632 that are now operative as permanent closing cams, the central permanent closing cam 687, the second recess 673 and the permanent closing cams 670, the cable holder 660 can only moved back by being forced or destroyed.
- the breaking lips 689, 690 will then have be bent outwards to such an extent that they will break off, wherein even the adjacently situated indication lips can break out. As a result the connector 600 will be irreparably destroyed and can no longer be reused. This is clearly visible due to the absence of the breaking lips 689, 690 and the indication lips 691.
- the oval jacket section extends freely within the rectangular insertion framework 630.
- the branching connector 90 can be fittingly placed for effecting a partial branch or a through-coupling when this is necessary at the location of the connector 600.
- the fourth cable 400 can only be laid in in the position shown and turned around about a latitudinal axis in the direction Q, wherein with both inlay possibilities the cutting contacts 655 in question get into contact with the same conductor 10, 20, 30, 40, 50.
- the differences in shape and height in the latitudinal direction of the outer jacket 401 clearly shows the location of the various conductors 10, 20, 30, 40, 50 from the outside.
- the first connector 600 is also suitable for connection to the third cable 300, wherein the caps 686 that can be broken away can remain in place.
- FIG. 6 shows the second connector 650 in accordance with the invention, which is a variant of the first connector 600.
- the second connector 650 is adapted for electrically connecting two first cables 100 or two second cables 200.
- the cable holders 660 of the cable inlay part 661 comprises two first straight cannel-shaped profile sections 663 that are shaped complementary to the two round jacket segments 107, a straight channel-shaped second profile section 664 that is shaped complementary to the polygonal jacket segment 102, 106 and a third profile section 665 that is shaped complementary to the oval jacket segment 112 of the fourth cable 400
- the closing lid 662 comprises two straight channel-shaped first profile sections 676 that are shaped complementary to the two round jacket segments 107, a straight channel-shaped second profile section 677 that is shaped complementary to the polygonal jacket segment 102, 106 and a channel-shaped third profile section 678 that is shaped complementary to the oval jacket segment 112 of the fourth cable 400.
- the access to the third profile section 678 is closed off on both sides by
- FIGS 7A and 7B show the third connector 700 in accordance with the invention, for connection to the fourth flat cable 400.
- the third connector 700 comprises a bottom connection 622 for flat cables 400 extending in direction E, such as the one near the first connector 600 extending from the middle longitudinal plane W, and a top connection 721 deviating therefrom and to be discussed below in detail.
- the top connection 721 comprises a lid 722 of synthetic material having a straight upper wall 723 in which at two opposing sides four first inlay channels 724 with equal intermediate distances and one second inlay channel 725 situated further away from them, are formed.
- the inlay channels 724, 725 merge into internal cylindrical tunnel walls 726 that extend partially above the main plane of the upper wall 723 and that form a passage to the inside of the top connection 721.
- the tunnel walls 726 are provided with an index surface 729 on which a type indication of the connection can be placed.
- the tunnel walls 726 in the respective passage directions F1-F5 are mutually staggered in order to create some sideward insertion room and finger room.
- an elevated middle section 727 is formed under which metal locking springs 755 are attached as shown without the lid 722 in figure 7B .
- the lid 722 is provided with reinforcement ribs 775 which in the middle define a lowered engagement surface 781 for a pair of pincers.
- the lid 722 is provided with two and one engagement opening 728, respectively.
- the lid 722 is provided on both sides with a projecting, elongated fastening rib 733 which extends parallel to the plane W.
- the lid 722 is provided with a total of four short fastening ribs 730.
- the top connection 721 is furthermore provided with a synthetic inside work 760 having three fastening lips 761 that hook into the engagement openings 728 for permanently coupling the inside work 760 to the lid 722.
- the inside work 760 is provided with tunnel bottom profiles 763 that extend straight below the tunnel walls 726 for forming an internal cylindrical insertion channel that extends in the passage direction F1-F5.
- the tunnel bottom profiles 763 are each continued in a strip-shaped metal conductor segment 754 which via a turned shorter conductor segment 753 merges into the cutting contact 655 as discussed above.
- the locking springs 755 are provided with barbs 756 that are oriented inwardly inclined and are pre-biassed against the long conductor segment 754.
- the locking springs 755 and the long conductor segment 754 are confined straight above one another in a secured manner between the parallel legs of a metal U-profile 757, wherein the confinement is maintained by the pre-bias in the locking springs 755 pressing on the long conductor segment 754.
- the U-profile 757 turns the locking springs 755 and the cutting contact 655 attached thereto into one insert piece 758 that can be placed in the inside work 760.
- the third connector 700 can be connected with the bottom connection 622 to the fourth flat cable 400 as discussed above.
- the caps 686 that can be broken away need to be broken away.
- the cores 11, 21, 31, 41, 51 of the flat cable 400 thus get into electrical contact with only one of the long conductor segments 754.
- a singular conductor 80 having a singular solid core 81 and a synthetic jacket 82 can connected thereto by means of stripping away exposing the core 81 at the outer end of the conductor 80, laying it in one of the inlay channels 724, 725 and pressing it through under the related tunnel wall 726 in the direction F1-F5 parallel to the straight plane and parallel to the longitudinal direction E of the flat cable 400, until the core 81 is situated on the long conductor segment 754, wherein the barb 756 presses the core 81 onto the long conductor segment 754 and by forming a notch in the core 81 blocking a return movement.
- the singular conductors are the same or similar to the conductors 10, 20, 30, 40, 50 of the flat cable 400.
- the third connector 600 is also suitable for connection to the third cable 300, wherein the caps 686 that can be broken away remain in place.
- Figure 8 shows a fourth connector 750 in accordance with the invention, which is a first variant of the third connector 700.
- the fourth connector 750 is adapted for making electric branches from the first cable 100 or the second cable 200.
- the fourth connector 750 comprises a bottom connection 622 such as present in the second connector 650, two first inlay channels 724 and a second inlay channel 725 having parallel passage directions F1-F3.
- FIG. 9 shows a fifth connector 790 in accordance with the invention, which is a variant of the third connector 700.
- the fifth connector can be connected to the bottom connection 622 to the fourth flat cable 400 as discussed above.
- the fifth connector 790 comprises a top connection 791 that is provided with in this example two plug connections 792 on the lid 722.
- the plug connection 792 comprises three insertion bushes 793.
- the plug connection 792 is adapted for coupling and uncoupling an electric branch line 95.
- the branch line 95 comprises a three-lead flexible electricity cable 96 having a plug 97 at its outer end, which plug is provided with three insertion bushes 98.
- the insertion bushes 793, 98 of the plug connection 792 and the branch line 95 have circumferential profiles having complementary shapes as a result of which the plug 97 can only be plugged in in one way in direction F6 in the plug connection 792.
- the plug 97 and the plug connection 792 are adapted for coupling and uncoupling the plug 97 and the plug connection 792 again several times.
- the plug 97 and the insertion bushes 793 of the plug connections 792 are known per se for instance under the name of Wieland ST1 8/3S.
- each of the various connectors 600, 650, 700, 750, 790 can in principle be adapted to connect to any one of the various flat cables 100, 200, 300, 400.
- Figure 10 shows a pair of pincers 1200 with which the connectors 600, 650, 700, 750, 790 can be squeezed together in order to be connected to the cables 100, 200, 300, 400.
- the pair of pincers 1200 has an upper jaw member 1201, a lower jaw member 1202, two handles 1204, 1205 and a transfer mechanism 1203 that is adapted for parallel translation of the upper jaw member 1201 with respect to the lower jaw member 1202 in direction S.
- the jaw members 1201, 1202 are both provided with a straight clenching plate 1206 and a slimmer back 1207. At the insertion side the backs 1207 are provided with a pre-bevel 1208 and along both sides with a side bevel 1209.
- the upper jaw member 1 201 and the lower jaw member 1202 are equally large.
- the clenching plate 1206 of the lower jaw member 1202 is at least twice as wide, so that the connector 600, 650, 700, 750, 790 in question can be engaged over its full length as described below.
- Figures 11A-11D show an application of the third connector 700.
- Figures 11B and 11C show a synthetic hollow-wall box 800 comprising a circumferential wall 801 provided with a circumferential edge 804 and two bottom members 802a, 802b that bound two build-in spaces 803a, 803b that partially merge into each other.
- the circumferential edge 804 forms an installation edge for building up switch material, in this example two socket outlets 820.
- the hollow-wall box 800 thus is a composite or multiple hollow-wall box.
- the circumferential wall 801 is provided with tension rods 805 known per se having anchoring plates 806 which can be pulled up manually in direction G only.
- the hollow-wall box 800 is suitable to be built in into a hollow wall, for instance in a plaster board wall, wherein the hollow-wall box 800 is inserted fittingly in a similarly shaped hole in the plaster board.
- the circumferential edge 804 then touches the front surface of the plaster board, after which after pulling the tension rods 805 in the direction G the anchoring plates 806 contact the rear surface in order to fixate the position of the hollow-wall box.
- the hollow-wall box 800 comprises an elevated wall 808a, 808b that is situated parallel to and higher than the bottom wall 802a, 802b to which it is adjacent, and a bridge wall 807 that is situated higher than the elevated walls 808a, 808b.
- the bridge wall 807 extends in the middle of the hollow-wall box 800.
- the bridge wall 807, the elevated walls 808a, 808b and the bottom walls 802a, 802b in the middle of any build-in space 803a, 803b bound a passage opening 809a, 809b.
- the third connector 700 is secured, such that the first inlay channels 724 and the second inlay channel 725 on both sides of the third connector 700 are visible and accessible from the upper side via the passage openings 809a, 809b.
- Figure 11C shows the position of the third connector 700 in side view.
- Figure 11D in an isometric way shows the space in which the third connector 700 is accommodated.
- the hollow-wall box 800 is provided with two first confining walls 810 and two second confining walls 811 that are positioned straight opposite each other.
- the confining walls 810, 811 are each provided with two long-holes 812 in which four short fastening ribs 730 of the third connector 700 are inserted.
- the long fastening ribs 733 then are situated in a lowered edge 817 in the bottom walls 802a, 802b.
- the hollow-wall box 800 is provided with reinforcement walls 816 in which the guiding of the tension rods 805 is formed and which border the confining walls 810, 811.
- the bottom connection 622 of the third connector 700 in the opened condition projects above the reinforcement walls 816.
- the bridge wall 807 is hollow at the lower side facing the third connector 700 and forms a continuing insertion channel 818 therewith that is accessible from aside the hollow-wall box and that extends above and over the lowered engagement surface 781 for a pair of pincers.
- the insertion channel 818 extends at the location of the transition between the distinctive build-in spaces 803a, 803b, that means where the circumferential wall 801 defines a narrowing of the hollow-wall box 800.
- the insertion channel 818 ends in the circumferential wall 820.
- the insertion channel 818 extends parallel to the installation surface defined by the circumferential edge 804, transverse to the longitudinal direction of the cable 300.
- the insertion channel 818 and the jaw members 1201, 1202 of the pair of pincers 1200, or in the alternative embodiment only the upper jaw member 1201 of the pair of pincers, in cross-section transverse to the insertion direction T have a similarly shaped contour, as a result of which the jaw member 1201 can only be inserted into the insertion channel 818 in an orientation in which the opposing jaw member 1202 ends up straight above the engagement surface 681 of the pair of pincers which surface freely extends at the rear side.
- the second confining walls 811 are provided with an L-shaped adapter piece 813 that is also provided with two long-holes 812.
- the adapter piece 813 is connected to the second confining wall 811, and at the opposite outer end a supplementary part 815 is formed.
- the adapter piece 813 can be folded down in direction H for getting parallel to and spaced apart from the second confining wall 811, wherein the supplementary part 815 comes to abut the elevated wall 808a, 808b for forming a copy of a part thereof.
- the adapter piece 813 thus renders it possible for the narrower, fourth connector 750 to be accommodated in the hollow-wall box 800.
- two socket outlets 820 can be secured to the hollow-wall box 800, in this example so-called "Schuko" socket outlets.
- the socket outlets 820 with conductors 80 having a singular core 81, as shown in figure 7A are connected to the top connection 721 of the third connector 700.
- the hollow-wall box with the third connector 700 and the already connected and pre-mounted socket outlets 820 form one pre-assembled unit on which in the work for instance the third flat cable 300 can be connected such as shown in figure 11A .
- the third flat cable 300 is placed in the connector 700 and the connector 700 is closed as shown in figure 11C , after which the pair of pincers 1200 with the upper jaw member 1201 is fittingly inserted in direction T through the insertion channel 818 for ending up on the engagement surface 781 for a pair of pincers of the third connector 700 and which faces the insertion channel 818.
- the lower jaw member 1202 that engages onto the engagement surface 681 for the pair of pincers that is situated at the outside can then beyond the engagement surface 681 for a pair of pincers move unimpeded in direction S until the cable holder 660 of the connector 700 has been brought in the permanent closing position.
- the third flat cable 300 After squeezing the third connector 700 together the third flat cable 300 has the final position which is shown in figure 11C with interrupted lines. The third flat cable 300 is then situated between and within the reinforcement walls 816. In that way several hollow-wall boxes 800 can be connected to the same continuous cable 300.
- Figures 12A-12C show applications of the first connector 600 and the third connector 700, related to a cable channel 900 and a wire channel 930.
- the shown metal cable channel 900 comprises a bottom wall 901 and two side walls 902 rising upright therefrom that have been provided with an inwardly oriented bead edge 903 and a series of fixing holes 904.
- the metal wire channel 930 comprises a bottom 931 and two side walls 932 that are formed with turned transverse wires or bars 933 to which bottom wires 934 and side wires 935, 936 that extend parallel have been secured.
- FIG 12A shows two synthetic connector holders 910 in which a first connector 600 is secured.
- the connector holders 910 comprise a footing 911 that fits between the bottom wall 901 and the bead edge 903, wherein the footing 911 has several holes 912 that may coincide with the fixing holes 904 of the cable channel 900 for being attached against it by means of drive rivets that are not further shown, a middle section 913 that may extend over the bead edge 903, two spaced apart supports 914 which in that case are positioned upright above the bead edge 903, and two attachment claws 915 oriented transverse thereto which at the sides oriented towards each other are provided with an insertion slot 916 for accommodation of the elongated fastening ribs 633 of the first connector 600 in direction J.
- the connector holders 910 can in the same manner be secured to the shown wire channel 930.
- the footing 911 comprises a central hook 917 to be placed over the middle side wire 935 and three openings 918 in a row in the sides and above the central hook 917 for accommodating the upper side wire 936.
- Figure 12A shows two attachment positions of the connector holder 910 with respect to the cable channel 900.
- the footing 911 is secured against the inside of the side wall 902, as a result of which the connector is held straight above and considered in vertical projection within the cable channel 900 with the middle longitudinal plane V parallel to the plane of the bottom wall 901.
- Said position makes it possible to lift a flat cable, for instance the third flat cable 300, straight upwards from the cable channel 900 and connect it to the bottom connection 622.
- a branch can be made that is also held straight above the cable channel 900.
- Said position offers a clear view and the possibility to provide the flat cable with a properly visible marking, for instance a sticker with an indication of the electricity group to which the cable belongs.
- FIGS 1 2B and 12C show two synthetic cable boxes 950 in which the third connector 700 is secured.
- the cable boxes 950 comprise the footing 911 and the middle section 913 as described above, and a rectangular housing 951 connected to the middle section 913.
- the housing 951 comprises a straight bottom wall 954 and four straight side walls 952 which in the corners are provided with fixing bushes 953.
- the cable boxes 950 are provided with a lid 955 known per se having a socket outlet, in this example a double "Schuko" socket outlet.
- the lid 955 is provided with quarter-turn closures 956 with which the lid is secured to the housing 951.
- the cable boxes 950 are provided with a box-shaped connector holder 957 that projects from the bottom wall 954 of the rectangular box 951.
- the connector holder 957 is hollow on the inside, wherein via an opening in the bottom wall 954 the inner space merges into the inside of the housing 951.
- the connector holder 957 is closed off with a detachable lid 958 which by means of a flexible coupling 959 in the detached condition also remains connected to the connector holder 957.
- the connector holder 957 is provided with a recess 960 in which the third connector 700 is accommodated.
- the third connector 700 is secured by means of its four short fastening ribs 730 that are snapped fixed into long holes that are not shown.
- the third connector 700 then with its bottom connection 622 freely extends below the connector holder 957, wherein the closing lid 662 is able to swing open in direction B in the direction of the footing 911 for accommodating the third flat cable 300.
- the engagement surface 781 for the pair of pincers extends above the upper edge 961 of the opened connector holder 957.
- the socket outlets of the lid 955 with conductors 80 having a singular core 81 as shown in figure 7A are connected to top connection 721 of the third connector 700.
- the cable box 950 with the third connector 700 and the lid 955 of which the socket outlets are already connected form one pre-assembled unit that can be secured in the work on the cable channel 900 and can be connected to the third flat cable 300 in the cable channel 900 by laying the third flat cable 300 in the third connector 700 squeezing the third connector 700 together using the pair of pincers 1200, wherein the lower jaw member 1202 that engages onto the engagement surface 681 for the pair of pincers that is situated at the outside, is able to move unimpeded in direction S until the cable holder 660 of the connector 700 has been brought in the permanent closing position. Finally the detachable lid 958 is placed back. In this way several cable boxes 950 can be connected to the flat cable 300.
- Figures 13A-13E show a use of the third connector 700.
- Figure 13A shows a metal wall channel 940 known per se for attachment against a wall that is not further shown.
- the wall channel 940 comprises an elongated bottom wall 941, two side walls 942 oriented transverse thereto and two front walls 943 oriented towards each other that leave an elongated installation opening 946 free.
- the front walls 943 at the side of the installation opening 946 are provided with a U-profile 944 having an insertion slot 945 accessible from the front side.
- the installation opening 946 can be covered by a channel lid 947 which at the outer ends is provided with a turned edge 948 that is clamped fixed in the insertion slots 945.
- the wall channel box 1000 comprises a first elongated rectangular housing 1001 having an elongated bottom wall 1006, two elongated side walls 1002, a left side wall 1003 and a right side wall 1004.
- the elongated side walls 1002 are provided with an abutment wall 1008 to which a bendable insert flap 1009 is formed which can be inserted into the insertion slot 945, and on both sides thereof barbs 1007 are formed which engage behind the U-profiles 944.
- the wall channel box 1000 can be shifted in direction K in order to be placed in the wanted position in the work.
- the channel lid 947 can be shifted in direction N parallel thereto in order to come to a consecutively abutting whole.
- the wall channel box 1000 comprises a second elongated housing 1010 that is connected to the right side wall 1004 such that the inside of the second housing 1010 via a passage opening 1011 merges into the inside of the first housing 1001.
- the second housing comprises two elongated side walls 1114, a right side wall 1115, a left front wall member 1116 and a right front wall member 1117.
- the left front wall member 1116 is provided with a rectangular mounting opening 1118.
- the left front wall member 1116 and the right front wall member 1117 together leave a rectangular engagement opening 1119 free.
- the second housing 1010 is open at the rear side.
- the elongated side wall members 1114 are each provided with two slide guides 1111 and between them two barbs 1112 that keep an insert frame 1120 confined in the second housing 1010 by engagement onto the parallel side walls 1113 of the insert frame 1120 such, that it is able to slide within the second housing 1010 in a guided manner only in direction M parallel to the slide direction K of the entire wall channel box 1000.
- the third connector 700 is secured by means of the short fastening ribs 730 that are inserted into long holes that are not shown of the insert frame 1120.
- the bottom connection 622 of the third connector 700 is thus accessible from the rear side, and in the intermediate position of the insert frame 1120 the top connection 721 is situated in front of the mounting opening 1118 and the engagement opening 1119 as shown.
- the socket outlets 820 with conductors 80 having a singular core as shown in figure 7A are connected to the top connection 721 of the third connector 700.
- the wall channel box 1000 with the third connector and the already connected and pre-mounted socket outlets 820 form one pre-assembled unit to which in the work for instance the third flat cable 300 can be connected that has already been placed in the wall channel 940 and extends over its length. In that case the third flat cable 300 is locally lifted out of the wall channel 940 for by means of the pair of pincers 1200 being connected to the third connector 700.
- the engagement surface 681 for the pair of pincers and its notional continuation transverse to the longitudinal direction of the cable 300 also in the squeezed together position still extends freely above the edges of the insert frame 1120.
- the first housing 1001 can by means of the slidable insert frame 1120 still be shifted in direction K with respect to the fixed third connector 700. In addition to ease of installation when inserting, it is thus also possible to adjust the wall channel box 1000 in direction K to the desired final position. In this way several wall channel boxes 1000 can be connected to the flat cable 300.
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Insulated Conductors (AREA)
- Multi-Conductor Connections (AREA)
Description
- The invention relates to a cable system, particularly an assembly comprising a cable having several conductors and a connector for it.
- An example of such a cable is a so-called flexible flat cable having several flexible conductors that extend parallel to each other. The conductors are accommodated in an insulating sheath that keeps the flexible conductors separated from each other. The conductors and the jacket extend in a straight plane. Connectors, so-called Insulation Displacement Connectors that are called IDC connectors in short, can be connected to said cable. In that case the cable is accommodated in the connector at the desired location, wherein conductive clamps or pins of the connector locally cut through the insulation sheath to get into electrically conductive contact.
- Flexible flat cables with IDC connectors are for instance used for within an electronic appliance electrically coupling spaced apart printed-circuit boards to each other. The conductors are then used for the electric energy supply as well as the various control currents, wherein the IDC connectors connect to all conductors. However, in for instance buildings or in utility construction with the to Europe typical low-current voltages of monophase 200-240 Volt or two/three-phase 380-400 Volt the use of flexible flat cables is limited (by law) because of the limited conducting cross-section, as a result of which the cable can only have a limited maximum length in practice does not meet the requirements within buildings or utility construction.
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US 5,190,468 discloses a receptacle tap and a cover that together confine a ribbon cable. The cover comprises central openings to receive cable alignment pieces. After placement of the alignment a splice module with insulator displacement pins can be inserted into one of the alignment pieces to make an electrical connection with the ribbon cable. - It is an object of the invention to provide a flat cable that is particularly suitable for use within buildings or in utility construction.
- It is an object of the invention to provide a flat cable that can easily and reliably be connected to an IDC connector suitable for that purpose.
- It is an object of the invention to provide a facility of the above-mentioned type that is particularly suitable for use within buildings or in utility construction.
- The invention provides an assembly according to
claim 1. - The first cable is a so-called flat cable of which the first, second and third conductor have a solid core having an optimal conducting cross-section. The three conductors can be used for an earth wire, a neutral wire and 220-240 Volt phase wire, of which by means of the first connector a branch can be made. The control current conductors within the insertion framework still remain undisturbed. In utility construction this suffices for many branching points. At choice the second connector can be placed in the insertion framework and be brought into contact with the control current conductors for at that location branching control current as well.
- Control current is a low-ampere-current for controlling electric components that are fed by or have been connected to the first, second and third connector. The control current can for instance be controlled on the basis of a serial bus protocol, such as the KNX protocol.
- In one embodiment the first connector is provided with a cable carrier having an abutment profile shaped complementary to the outer jacket in which carrier the first cable is fittingly accommodated, wherein the first electrical contacts project from the abutment profile, wherein the insertion framework laterally interrupts the abutment profile. The abutment profile is able to secure the position of the first cable within the connector reliably, and thus also the position of the control current cables within the insertion framework. The second connector can then reliably engage onto the desired control current cables.
- In a simple embodiment the insertion framework has a rectangular shape.
- The second connector can be secured within the insertion framework when the first and second connector are provided with cooperating couplings for coupling the second connector to the first connector within the insertion framework.
- Alternatively the first cable itself carries the second coupling within the insertion framework.
- In one embodiment the assembly further comprises a branching conductor to be connected to the first connector, wherein the branching conductor is built up with an insulating sheath of electrically insulating material in which only one singular solid core of electrically conductive material is accommodated, wherein the first connector comprises a branch connection for the branching conductor, wherein the branch connection comprises an insert contact that is electrically conductively connected to at least one of the electrical contacts and an insertion channel leading to the insert contact, wherein the insertion channel is oriented for guided insertion of the branching conductor to the insert contact in an insertion direction parallel to the notional straight plane of the first cable.
- The first cable is a so-called flat cable of which the first, second and third conductor have a solid core having an optimal conducting cross-section. The three conductors can be used for an earth wire, a neutral wire and 220-240 Volt phase wire, of which by means of the first connector a branch can be made. The flat first cable and the branching conductor behave like rigid cables due to the solid cores, wherein due to the insertion direction being parallel to the first cable an as regards height compact branch can be effected.
- In one embodiment the insertion channel is oriented for guided insertion of the branching conductor with the insertion direction parallel to the longitudinal direction of the cable.
- In one embodiment the housing comprises an outer wall extending above the cable in which wall the insertion channel is defined. The branching conductor can be inserted into the insertion channel with visual overview.
- In one embodiment thereof the insertion channel is bounded by a slide that is partially recessed in the outer wall and open at the side facing away from the cable. The branching conductor can then be laid into the slide from above in order to be guided.
- The slide preferably has a cylindrical bottom shape. Such a shape connects to a round insulating sheath of the branching conductor.
- In one embodiment the insertion channel is bounded by a tunnel segment partially extending above the outer wall and defining a passage through the upper wall. The branching conductor can then be guided within the tunnel segment to its end position.
- In one embodiment thereof the tunnel segment has a cylindrical inner wall and/or upper wall. Such a shape connects to a round insulating sheath of the branching conductor. Particularly the upper wall then at the outer wall forms point of recognition for the insertion of the branching conductor.
- In a combined embodiment in insertion direction the tunnel segment is situated behind the slide.
- In particular in the insertion direction the tunnel segment runs into connection with the slide.
- An outer end of the branching conductor of which the insulating sheath has been stripped off can be permanently connected to the connector in one inserting motion when the insert contact is adapted for self-locking engagement to the core of the branching conductor.
- In one embodiment the insertion channel of the branch connection considered transverse to the notional straight plane is situated straight above the conductor with which the branch connection is in electrically conductive contact via its electrical contact. In that way the location of the insertion channel provides an immediate visual indication of the conductor with which via said insertion channel contact can be made. This limits the risk of wrong connections.
- In one embodiment the connector comprises several branching conductors, for instance one or two for each of the first, second and third conductor, wherein the branching conductors in the insertion direction are mutually staggered in order to simplify the insertion of the branching conductors.
- In one embodiment the assembly further comprises a second cable, wherein the first connector engages onto the first and second cable, wherein the second cable comprises an outer jacket and adjacent to each other a first, a second and a third conductor that extend within the outer jacket substantially parallel to each other and at substantially fixed mutual distances in a notional common straight plane, wherein the first, second and third conductor are each built up with an insulating sheath of electrically insulating material in which only one singular solid core of electrically conductive material is accommodated, wherein the first housing comprises first electrical contacts that cut through the jacket and second electrical contacts that cut through the jacket, wherein the first contacts each cut through the outer jacket and the insulating sheaths of the first, second or third conductor of the first cable and then are in electrically conductive contact with its cores and the second contacts each cut through the outer jacket and the insulating sheaths of the first, second or third conductor of the second cable and then are in electrically conductive contact with its cores, wherein the first and second cables extend through the first housing straight above one another and with the notional planes parallel to each other and the first and second contacts electrically connect the conductors to each other that extend straight above one another considered transverse to the notional plane.
- The cables are so-called flat cables of which the first, second and third conductor have a solid core having an optimal conducting cross-section. The three conductors can be used for an earth wire, a neutral wire and 220-240 Volt phase wire, of which by means of the first connector a branch can be made. The flat cables behave like rigid cables due to the solid cores. Due to the cables being parallel the rigid cables can nonetheless relatively easily, because transverse to their plane, be urged to the connector, wherein by means of the connector an as regards height compact cable coupling can be effected.
- In one embodiment the first connector is provided with a cable carrier partially accommodated in the first housing and the electrical contacts project from the first housing in the direction of the cable carrier, wherein the cable carrier is movable with respect to the first housing between a first pre-determined position in which the electrical contacts are spaced apart from the outer jacket, and a second pre-determined position in which the electrical contacts cut through the outer jacket and the insulating sheath. Connecting the first connector to the cables can then take place in two consecutive actions, wherein the cables are first positioned in the cable carriers and the cable carriers are then brought from the first position in the second position in order to bring the electrical contacts in connection. Changing the position of the cable carriers can for instance be effected by means of a pair of pincers in which the first connector is accommodated.
- In one embodiment thereof the cable carrier is provided with an inlay part and a closing lid, wherein in the first position of the cable carrier the closing lid can be placed on the inlay part for fitting confinement of the first or second cable. By means of closing the lid the cable in question can be positioned with respect to the connector.
- The connector preferably is provided with closing parts for the lid, wherein the closing parts are adapted for repeatedly opening and closing the lid in the first position and permanently closing the lid in the second position. In that case by opening the lid again the connector can be re-positioned or be shifted with respect to the cable when this is necessary. The outer jacket or the insulating sheaths have not yet been cut through. After bringing the cable carriers to the second position, that means after cutting through the jackets and sheaths, this will no longer be possible due to the permanent closure unless the connector is inadvertently forced or destroyed.
- In one embodiment the housing is provided with bendable breaking lips which at the free outer end are provided with a closing cam oriented to the cable carrier, which cam in the second position of the cable carrier engages onto the cable carrier for permanently blocking a return to the first position, wherein the breaking lip is adapted for breaking when ending the engagement of the closing cam by bending outwards. The cable carrier can only return to the first position by destroying the breaking lips, as a result of which the functionality of the connector is ended. In that way it can be achieved that a connector is not reused.
- In one embodiment the first or second cable is fittingly accommodated in an abutment profile of the cable carrier which profile is shaped complementary to the outer jacket.
- In one embodiment considered in a cross-section transverse to the longitudinal direction of the first and/or second cable the outer contour of the outer jacket at the location of the conductors is higher than between the conductors for at the outer side of the outer jacket visibly and palpably indicating the location of the conductors, wherein the notional straight plane defines a plane of symmetry for the outer contour, wherein the intermediate distance between the first and the second conductor is larger than the intermediate distance between the second and the third conductor. The flat cable can then be fittingly laid in the inlay channels of the complementary shaped abutment profile, wherein the symmetry in the outer jacket on the one hand and the differences in the intermediate distances on the other hand here impose that laying in is only possible in two positions. The difference in these positions is only that the flat cable has been turned around about its latitudinal axis. In both cases the conductors therefore only fit in the for that purpose complementary shaped inlay channels of the abutment profile, as a result of which the connection differences onto the various conductors can be counteracted. Said properties render the cables and connector particularly suitable for use within buildings or in utility construction, wherein the three conductors can be used for the earth wire, the neutral wire and a 220-240 Volt phase wire, respectively. The earth wire can then in principle not be interchanged with the phase wire.
- Alternatively or additionally, considered in a cross-section transverse to the longitudinal direction of the first and/or second cable the outer contour of the outer jacket at the location of the conductors is higher than between the conductors for at the outer side of the outer jacket visibly and palpably indicating the location of the conductors, wherein the notional straight plane defines a plane of symmetry for the outer contour, wherein considered transverse to the plane of symmetry the shape of the outer contour above the first conductor differs from the shape of the outer contour above the second and/or third conductor. The flat cable can then be fittingly laid in the inlay channels of the complementary shaped abutment profile, wherein the symmetry in the outer jacket on the one hand and the differences in the shapes on the other hand here impose that laying in is only possible in two positions. The difference in these positions is only that the flat cable has been turned around about its latitudinal axis. In both cases the conductors therefore only drop in the correct for that purpose complementary shaped inlay channels of the abutment profile, as a result of which the connection differences onto the various conductors can be counteracted. Said properties render the cables and connector particularly suitable for use within buildings or in utility construction, wherein the three conductors can be used for the earth wire, the neutral wire and a 220-240 Volt phase wire, respectively. The earth wire can then in principle not be interchanged with the phase wire.
- In one embodiment the abutment profiles for the first and second cable are symmetrical with respect to a middle plane of symmetry extending parallel between the cables.
- In one embodiment the assembly further comprises a cable and an appliance connection connected to the first connector , wherein the first connector comprises a multipolar first plug connection onto the housing that is electrically connected to the electrical contacts, wherein the electrical contacts each cut through the outer jacket and the insulating sheaths of the first, second or third conductor and then are in electrically conductive contact with its core, wherein the appliance connection is provided with a multipolar second plug connection and a flexible multi-lead cable connected to the second plug connection of which multi-lead cable the leads are each built up from a bundle of several conductors, wherein the first plug connection and the second plug connection are connected to each other and are intended and adapted for breaking and realising the mutual connection several times.
- The assembly may be part of an electric power supply installation for appliances, for instance lighting fixtures integrated in a ceiling system. The assembly provides to possibility to be built up in stages, wherein first the flat cable is placed and is provided with the first connector, subsequently the ceiling system is built up and finally a lighting fixture is installed. The lighting fixture is then connected to the flexible multi-lead cable and the first plug connection is connected to the already installed second plug connection. Likewise the same cable can be provided with several connectors that are divided over the length of the cable, as a result of which on several locations a pre-installed first plug connection is present.
- In one embodiment the connector is provided with several first plug connections and several appliance connections connected thereto. In said example one first connector can then form a local central power point for several lighting fixtures.
- The invention will be elucidated on the basis of a number of exemplary embodiments shown in the attached drawings, in which:
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Figure 1A and1B show an isometric front view and a cross-section of a first cable. -
Figures 2A and2B show an isometric front view and a cross-section of a second cable in accordance with the invention; -
Figures 3A-3C show an isometric front view, a cross-section and a top view of a third cable in accordance with the invention; -
Figure 3D shows a top view of the third cable, having an alternative pattern of holes therein; -
Figures 4A and4B shows an isometric front view and a cross-section of a fourth cable in accordance with the invention; -
Figures 5A-5D shows isometric front views of a first connector in accordance with to the invention, shown for connection to a fourth flat cable according tofigures 4A and4B , wherein a few parts have consecutively been removed from the connector; -
Figure 6 shows an isometric front view of a second connector in accordance with the invention, which is a variant of the first connector according tofigures 5A-5D ; -
Figures 7A and7B show isometric front views of a third connector in accordance with the invention, shown for connection to the fourth flat cable according tofigures 4A and4B , wherein infigure 7B a few parts have been removed from the connector and a detail is shown in a reference frame; -
Figure 8 shows an isometric view of a fourth connector in accordance with the invention, which is a variant of the third connector according tofigures 7A and7B ; -
Figure 9 shows an isometric view of a fifth connector in accordance with the invention, which is a variant of the third connector according tofigures 7A and7B ; -
Figure 10 shows an isometric front view of a pair of pincers for connecting the connectors according to the preceding figures; -
Figures 11A-11D show two isometric top views, a side view and an isometric rear view of a pre-mounted hollow-wall box with the third connector according tofigure 7 to which the third flat cable according tofigures 3A and3B is connected; -
Figures 12A-12C show isometric views of a cable channel with holder and a socket outlet connection that are both provided with the first connector according tofigures 5A-5C to which the fourth flat cable according tofigures 4A and4B is connected; -
Figure 13A shows an isometric front view of a wall channel in which an insert box with socket outlet and the third connector according tofigures 7A and7B is accommodated; -
Figures 13B-13E show two isometric front views and two isometric rear views of the insert box according tofigure 13A , of which consecutively a number of parts have been removed. -
Figures 1A-4B show a firstflat cable 100, and a secondflat cable 200, a thirdflat cable 300 and a fourthflat cable 400 in accordance with different embodiments of the invention. In the detailed description below of thecables -
Figures 1A and1B show the firstflat cable 100. Thecable 100 is provided with anouter jacket 101 of a flexible synthetic material, having a constant cross-section over its length L. Theflat cable 100 is provided with a firstelectrical conductor 10, a secondelectrical conductor 20 and a thirdelectrical conductor 30 which are fully enveloped all round by theouter jacket 101. Theconductors flat cable 100. - The
conductors solid core core solid core sheath sheath - Around the
first conductor 10 theouter jacket 101 in cross-section has an octagonal outer contour, or a quadrangular outer contour of which the corners have a straight bevel, as a result of which theouter jacket 101 at the upper side and the lower side is provided with astraight surface 102 that extends parallel to the plane of symmetry V, astraight end surface 104 and two straightinner surface 105 that extend perpendicular to the plane of symmetry V, and four straightbevelled surface 106 that are at an angle of 45 degrees to the plane of symmetry V. - Around the
second conductor 20 and thethird conductor 30, theouter jacket 101 has a constant radial thickness, as a result of which circularouter contour sections 107 have been formed, of which between the second andthird conductor 20, 30 a notional circular continuation P contacts theadjacent insulation sheath - Between the
first conductor 10 and thesecond conductor 20 theouter jacket 101 is provided with a firststraight bridge section 108 having a constant thickness, as a result of which theouter jacket 101 is provided with twostraight surfaces 109 that extend parallel to the plane of symmetry V. The thickness of thestraight bridge section 108 is substantially equal to the thickness of thecores conductors outer jacket 101 straight above theconductors 10 20, 30. - The
first bridge section 108 comprises a repetitive pattern, extending in the longitudinal direction L, of continuingfirst holes 120 having substantially the same lengths and mutually substantially the same intermediate distances, as a result of which a repetitive pattern ofbridge section segments bridge section segments 122 is succeeded by thebridge section segment 122a that is provided with several continuingsecond holes 121 and therewith forms a repetitive pattern. Thefirst holes 120 have a rectangular circumference. Theholes cable 100 by means of pins or flat binders wherein thesecond holes 1 21 show a practical unit of length for thecable 100, for instance one meter. In that way an electrician has a simple aid for cutting the correct length ofcable 100 from a supply roll. Alternatively or additionally thecable 100 can be provided with a printed marking of a unit of length, for instance one meter. - The
outer jacket 101 is in detached yet abutting contact with the insulatingsheaths cable 100 such that theconductors sheaths conductive core sheaths cores - In this example the
outer jacket 101 is made of a polyolefin combined with fire-retardants. In this example the insulatingsheaths sheaths sheath 12 of thefirst conductor 10 in this example is substantially yellow with green stripes orbands 13 to indicate an earth conductor. The insulatingsheath 22 of thesecond conductor 20 is blue to indicate a neutral conductor, and the insulatingsheath 32 of thethird conductor 30 is brown to indicate a phase conductor. In this example thesolid cores first bridge section 108 then ensures sufficient distance from thefirst conductor 10 used for earthing with respect to theother conductors - The colours, cable thicknesses and differences in distance used in this example for the
conductors cable 100 in monophase 220-240 Volt low-voltage installations, such as in utility construction or machinery. Thesolid cores conductors cable 100 it is possible to safely accommodate it in a schematically shown Insulation Displacement Connector orIDC connector 500. - The
IDC connector 500 is provided with afirst clamping part 501 and asecond clamping part 502 which in direction U can be placed fittingly against each other, wherein at the side facing thecable 100 the clampingparts cable 100. Thefirst clamping part 501 is in that case per inlay track provided with electrically conductive cutting pins 503, 504, 505 which when accommodating thecable 100 partially cut through theouter jacket 101 and the insulatingsheath respective cores outer jacket 101 at the location of thefirst conductor 10 on the one hand and thesecond conductor 20 orthird conductor 30 on the other hand, or because of the difference in distance between them formed by means of thefirst bridge section 108, and the symmetry used therein with respect to the middle longitudinal plane V thecable 100 can only be laid in in the position shown and turned around about its latitudinal axis in direction Q, wherein with both inlay possibilities theinsert contacts same conductor outer jacket 101 clearly shows the location of thevarious conductors -
Figures 2A and2B show the secondflat cable 200 in accordance with the invention. With respect to thefirst cable 100 described above, theouter jacket 201 at the side of thefirst conductor 10 that faces away from the second andthird conductor straight bridge section 110 which at the upper side and the lower side defines astraight surface 111, and an oval-round jacket part 112 in which atwin conductor 60 wrapped inmetal foil 63 and having an insulatingsheath 62 and twoparallel cores 61, has been accommodated. The oval-round jacket part 112 is then built up with two half, circular arches that are oppositely oriented and by means of straight parallel lines are connected to each other. In this example thecores 61 of thetwin conductor 60 have a diameter that can be smaller than the first, second andthird conductor twin conductor 60 can for instance be used for electronic bus communication, for instance according to the KNX protocol, using equipment that possibly by means of the first, second andthird conductor parts IDC connector 550 for that purpose are provided with an extra inlay channel having prick pins 506 of which the electrically conductive outer end cuts into the centre of thecores 61 when clamping thecable 200. -
Figure 3A-3C show the thirdflat cable 300. With respect to thefirst cable 100 discussed above, thethird cable 300 withouter jacket 301 is also provided with afourth conductor 40 and afifth conductor 50 which with respect to thefirst conductor 10, thesecond conductor 20 or thethird conductor 30 only differ in colour of the insulating sheath. In this example the insulatingsheath 42 of thefourth conductor 40 is black and the insulatingsheath 52 of thefifth conductor 50 is grey. The colours and cable thickness used in this example are typical of the use of thecable 300 in three phase 380-400 Volt low-voltage installations, such as in utility construction or machinery. The colours used in the various embodiments are in accordance with European harmonisation document HD308 and the Dutch NEN1010 standard.Figure 3C shows thethird cable 300 in top view, perpendicular to the plane of symmetry V, so that the repetitive pattern offirst holes 120 andbridge section segments bridge section segments first holes 120 have a width of 2.5 mm and a length of 32.5 mm, thesecond holes 121 have a width of 2.5 mm and a length of 5 mm. Thebridge section segments -
Figures 4A and4B show the fourthflat cable 400 in accordance with the invention. With respect to thethird cable 300 the oval-round jacket part 112 is added to theouter jacket 401 in which jacket part thetwin conductor 60 wrapped inmetal foil 63 is accommodated for bus communication with equipment that possibly by means of the first, second, third, fourth andfifth conductor - As shown in
figures 1A ,2A ,3A and4A , thefirst cable 100, thesecond cable 200, thethird cable 300 and thefourth cable 400 are provided with the same repetitive pattern offirst holes 120 andbridge section segments Figure 3D shows thethird cable 300 in top view, perpendicular to the plane of symmetry V, so that an alternative pattern is visible that can also be applied to thefirst cable 100, thesecond cable 200 and thefourth cable 400. Thefirst bridge section 108 comprises a repetitive pattern of elongated continuingthird holes 123 that extend in the longitudinal direction L, which holes have substantially the same lengths and are at substantially the same intermediate distances as a result of which a repetitive pattern ofbridge section segments 124 is formed also having substantially the same lengths and at substantially the same intermediate distances one to the other. In longitudinal direction thethird holes 123 are shorter than thebridge section segments 124. In this example thethird holes 123 have a width of 2.5 mm and a length of 20 mm. Thebridge section segments 124 have a length of 30 mm. Therefore thebridge section segments 1 24 jointly cover a length that is at least half, in particular at least 60 percent of the overall length of thethird cable 300. Additionally thethird holes 123 can be formed like two consecutive partial holes, as a result of which in the middle of said partial third holes 123 a narrowerbridge section segment 125 is left as is shown for one of thethird holes 123. - The said shape characteristics of the outer jacket are limited to flat cables of which the conductors have a singular solid core. Likewise the conductors may have flexible or multiple bundled or entwined cores.
-
Figure 5A shows the fourthflat cable 400 and afirst connector 600 in accordance with the invention to be connected thereto. Infigures 5B-5D parts have consecutively been removed from theconnector 600. Thefirst connector 600 is built mirror-symmetrical with respect to its middle longitudinal plane W which functionally divides theconnector 600 in atop connection 621 and abottom connection 622, or rotation-symmetrical with respect to a line situated in the middle longitudinal plane W. The corresponding parts of theconnections top connection 621. - The
first connector 600 comprises asynthetic housing 623 which carries twosynthetic cable carriers 660. As shown infigure 5D thehousing 623 comprises astraight bottom 624 situated in the middle longitudinal plane W and oriented transverse thereto a straightrear wall 626, twostraight side walls 625 and twofront wall members 627 oriented to each other and connected to theside walls 625, which jointly define a rectangular outer shape of thehousing 623. By means of twointermediate walls 629 that extend parallel to theside walls 625, thefront wall members 627 are connected to a recededwall 628 that extends parallel to thefront wall members 627 for bounding arectangular insertion framework 630. On either side of thehousing 623, theside walls 625 are provided with a projecting,elongated fastening rib 633 that extends through the middle longitudinal plane W. - The
side walls 625 are provided with a profiledrecess 640 for accommodation of one of the sides of thejacket 401 of the fourthflat cable 400. For that purpose therecess 640 consecutively comprises afirst profile section 641 for the fourcircular jacket segments 107 and asecond profile section 642 for thepolygonal jacket segment oval jacket segment 112. Thefirst profile section 641 and thesecond profile section 642 are separated from each other by a raisedsection 643 of theside wall 625 that may fittingly connect to thefirst bridge section 108 and the sections of thepolygonal jacket segment circular jacket segment 107. Theintermediate walls 629 and the recededwall 628 are provided with a common profiledrecess 644 of which theedge 645 considered in the direction of the middle longitudinal plane W, forms a continuation or projection of thesecond profile section 642. - The
housing 623 is provided with a total of fivemetal cutting contacts 655, divided over the bottom 624, of which contacts the shape is mirror-symmetrical with respect to the middle longitudinal plane W. The cuttingcontacts 655 comprise afooting 652 that is secured in a passage in the bottom 624, which passage is bounded by acircumferential thickening 643, and on either side of the middle longitudinal plane W twoblades 651 positioned upright therefrom that bound astraight insertion slot 654. Considered transverse to the middle longitudinal plane W theblades 651 extend up to the upper edge of thehousing 623, where theinsertion slot 654 has a widened accommodation end. - As shown in
figures 5A-5C thecable holder 660 comprises acable inlay part 661 that is positioned fittingly yet moveable in a translatory manner in direction C transverse to the middle longitudinal plane W within thewalls housing 623. Thewalls cable inlay part 661 in direction C. Arecess 668 is also defined in theinlay part 661, which recess coincides or complies with the inside of theinsertion framework 630 of thehousing 623. At the side facing away from thehousing 623 thecable inlay part 661 is provided with consecutively ahinge half 666, four first straight channel-shapedprofile sections 663 that are shaped complementary to the fourround jacket segments 107, a straight channel-shapedsecond profile section 664 that is shaped complementary to thepolygonal jacket segment third profile section 665 that is shaped complementary to theoval jacket segment 112 of thefourth cable 400. Furthermore straighttop surfaces first bridge section 108 andsecond bridge section 110, respectively. In theprofile sections contacts 655, wherein on either side of the middle longitudinal plane W theinsertion slots 654 are situated in the centre of the fourfirst profile sections 663, thesecond profile section 664 and thethird profile section 655, respectively. - As shown in
figure 5B , at the side facing thehousing 623 at two diagonally opposite vertices, thecable inlay part 661 is provided with a hooked-shaped hold-updevice 667 of which theouter end 669 in the shown intermediate position of theconnector 600 at the front side supports on an inwardly orientedfirst cam 631 at thefront wall member 627 and at the rear side on an inwardly orientedthird cam 688 at therear wall 626 of thehousing 623. Thecable inlay part 661 is furthermore provided with twopermanent closing cams 670 at the side of thehinge half 666, and at the opposing other side thereof with two closinglips 671 having afirst recess 672 in which an inwardly orientedsecond cam 632 at thefront wall member 627 extends. Thehousing 623 is furthermore provided with an inwardly oriented, centralpermanent closing cam 687 at therear wall 626 that is able to engage onto an edge that is formed by a recess that is not further shown, in thecable inlay part 661. Thesecond cams 632 and thecentral closing cam 687 are formed at bendable breakinglips same indication lip 691 is provided. - The
cable holder 660 furthermore comprises a closinglid 662 which in the position shown projects substantially above thehousing 623. Infigures 5A and5B the closinglid 662 is in the position in which it can easily be opened again. At the side oriented towards theinlay part 661, the closinglid 662 is consecutively provided with a hinge half that is not further shown and that is snapped fixed to thehinge half 666 of theinlay part 661, four straight channel-shapedfirst profile sections 676 that are shaped complementary to the fourround jacket segments 107, a straight channel-shapedsecond profile section 677 that is shaped complementary to thepolygonal jacket segment third profile section 678 that is shaped complementary to theoval jacket segment 112 of thefourth cable 400. Access to thethird profile section 678 is closed off on both sides by means ofcap 686 that can be broken away. Furthermore straighttop surfaces first bridge section 108 and thesecond bridge section 110, respectively. The closinglid 662 is provided with jacket puncturers that are not shown that project from the middle of theprofile sections outer jacket 401 without damaging it permanently. - As shown in
figure 5B , at the side opposing the hinge half, the closinglid 662 is provided with closing hooks 679 extending adjacent to the closinglips 671, which hooks are able to temporarily engage behind an edge that is not further shown of theinlay part 661. In the closinglid 662 aninsertion opening 680 is provided that extends along the closing hooks 679, in which insertion opening for instance a screwdriver can be inserted for temporarily releasing the closing hooks 679 by means of local elastic deformation of the area adjacent to the closing hooks 679. - In the extension of the closing
lips 671 twosecond recesses 673 are provided in the corner edges. At the outer side the closinglid 662 is provided withreinforcement ribs 675 which in the middle define a loweredengagement surface 681 for a pair of pincers. - In
figure 5A adjacent to the connector 600 a block-shaped branchingconnector 90 is schematically shown in accordance with the invention. The branchingconnector 90 comprises two clampinghalves 91 having aninternal profile 92 that is shaped complementary to theoval jacket segment 112 of thefourth cable 400, and two prick pins that are not shown of which the electrically conductive outer end is electrically connected to branchcables 93. The branchingconnector 90 can be fittingly placed in theinsertion framework 630. - When in a first application connecting the two fourth
flat cables 400 to theconnector 600, the caps are broken away, the closinglids 662 are swung open in direction B and thecables 400 are laid fittingly from the outside into theprofiles inlay part 661. Due to the various profile shapes this is only possible in the position shown and in the position in which the cable is rotated 180 degrees about its latitudinal axis Q. Thecables 400 now extend parallel to each other and parallel to the middle longitudinal plane V through theconnector 600. Subsequently the closinglids 662 are closed in direction D and kept temporarily closed by the closing hooks 679. The electrician can for instance still slide theconnector 600 along thecables 400 for securing the correct position and the mutual relation in the work. Subsequently a tool, for instance the pair ofpincers 1200 discussed below and shown infigure 10 , is placed on the opposing engagement surfaces 681 for a pair of pincers and squeezed together. Thecable holders 660 drop, guided in a translatory manner, in direction C into thehousing 623, wherein the hold-updevices 667 move past thefirst cams 631 of thehousing 623, and thesecond cams 632 come out of the closinglips 671 and drop into thesecond recesses 673 and thepermanent closing cams 670 drop behind an edge at the bottom 624 that is not further shown. The cuttingcontacts 655 in this case cut through theouter jacket 401 and the insulatingsheaths respective core conductors conductors second cams 632 that are now operative as permanent closing cams, the centralpermanent closing cam 687, thesecond recess 673 and thepermanent closing cams 670, thecable holder 660 can only moved back by being forced or destroyed. The breakinglips connector 600 will be irreparably destroyed and can no longer be reused. This is clearly visible due to the absence of the breakinglips indication lips 691. - After connecting the
connector 600 the oval jacket section extends freely within therectangular insertion framework 630. In theinsertion framework 630 the branchingconnector 90 can be fittingly placed for effecting a partial branch or a through-coupling when this is necessary at the location of theconnector 600. - Due to the difference in shape of the
outer jacket 401 at the location of thefirst conductor 10 on the one hand and the second, third, fourth andfifth conductor first conductor 10 and thesecond conductor 20 formed by means of the firstintermediate bridge 108, and the symmetry used therein with respect to the middle longitudinal plane V thefourth cable 400 can only be laid in in the position shown and turned around about a latitudinal axis in the direction Q, wherein with both inlay possibilities the cuttingcontacts 655 in question get into contact with thesame conductor outer jacket 401 clearly shows the location of thevarious conductors first connector 600 is also suitable for connection to thethird cable 300, wherein thecaps 686 that can be broken away can remain in place. -
Figure 6 shows thesecond connector 650 in accordance with the invention, which is a variant of thefirst connector 600. Thesecond connector 650 is adapted for electrically connecting twofirst cables 100 or twosecond cables 200. For that purpose thecable holders 660 of thecable inlay part 661 comprises two first straight cannel-shapedprofile sections 663 that are shaped complementary to the tworound jacket segments 107, a straight channel-shapedsecond profile section 664 that is shaped complementary to thepolygonal jacket segment third profile section 665 that is shaped complementary to theoval jacket segment 112 of thefourth cable 400 Likewise the closinglid 662 comprises two straight channel-shapedfirst profile sections 676 that are shaped complementary to the tworound jacket segments 107, a straight channel-shapedsecond profile section 677 that is shaped complementary to thepolygonal jacket segment third profile section 678 that is shaped complementary to theoval jacket segment 112 of thefourth cable 400. The access to thethird profile section 678 is closed off on both sides by means of thecap 686 that can be broken away. -
Figures 7A and7B show thethird connector 700 in accordance with the invention, for connection to the fourthflat cable 400. Thethird connector 700 comprises abottom connection 622 forflat cables 400 extending in direction E, such as the one near thefirst connector 600 extending from the middle longitudinal plane W, and atop connection 721 deviating therefrom and to be discussed below in detail. - The
top connection 721 comprises alid 722 of synthetic material having a straightupper wall 723 in which at two opposing sides fourfirst inlay channels 724 with equal intermediate distances and onesecond inlay channel 725 situated further away from them, are formed. Theinlay channels cylindrical tunnel walls 726 that extend partially above the main plane of theupper wall 723 and that form a passage to the inside of thetop connection 721. At the upper side thetunnel walls 726 are provided with anindex surface 729 on which a type indication of the connection can be placed. Thetunnel walls 726 in the respective passage directions F1-F5 are mutually staggered in order to create some sideward insertion room and finger room. Between thetunnel walls 726 an elevatedmiddle section 727 is formed under which metal locking springs 755 are attached as shown without thelid 722 infigure 7B . At the upper side thelid 722 is provided withreinforcement ribs 775 which in the middle define a loweredengagement surface 781 for a pair of pincers. At one longitudinal side and at the opposing longitudinal side thelid 722 is provided with two and oneengagement opening 728, respectively. Thelid 722 is provided on both sides with a projecting,elongated fastening rib 733 which extends parallel to the plane W. At the longitudinal sides at the location of the outer ends thelid 722 is provided with a total of fourshort fastening ribs 730. - As shown in
figure 7B thetop connection 721 is furthermore provided with a syntheticinside work 760 having three fasteninglips 761 that hook into theengagement openings 728 for permanently coupling theinside work 760 to thelid 722. Theinside work 760 is provided with tunnel bottom profiles 763 that extend straight below thetunnel walls 726 for forming an internal cylindrical insertion channel that extends in the passage direction F1-F5. The tunnel bottom profiles 763 are each continued in a strip-shapedmetal conductor segment 754 which via a turnedshorter conductor segment 753 merges into thecutting contact 655 as discussed above. The locking springs 755 are provided withbarbs 756 that are oriented inwardly inclined and are pre-biassed against thelong conductor segment 754. The locking springs 755 and thelong conductor segment 754 are confined straight above one another in a secured manner between the parallel legs of ametal U-profile 757, wherein the confinement is maintained by the pre-bias in the locking springs 755 pressing on thelong conductor segment 754. The U-profile 757 turns the locking springs 755 and thecutting contact 655 attached thereto into oneinsert piece 758 that can be placed in theinside work 760. - The
third connector 700 can be connected with thebottom connection 622 to the fourthflat cable 400 as discussed above. Here thecaps 686 that can be broken away need to be broken away. Thecores flat cable 400 thus get into electrical contact with only one of thelong conductor segments 754. Asingular conductor 80 having a singularsolid core 81 and asynthetic jacket 82 can connected thereto by means of stripping away exposing the core 81 at the outer end of theconductor 80, laying it in one of theinlay channels related tunnel wall 726 in the direction F1-F5 parallel to the straight plane and parallel to the longitudinal direction E of theflat cable 400, until thecore 81 is situated on thelong conductor segment 754, wherein thebarb 756 presses the core 81 onto thelong conductor segment 754 and by forming a notch in the core 81 blocking a return movement. In that way perconductor flat cable 400 one or two electrical branches can be created. The singular conductors are the same or similar to theconductors flat cable 400. Thethird connector 600 is also suitable for connection to thethird cable 300, wherein thecaps 686 that can be broken away remain in place. -
Figure 8 shows afourth connector 750 in accordance with the invention, which is a first variant of thethird connector 700. Thefourth connector 750 is adapted for making electric branches from thefirst cable 100 or thesecond cable 200. For that purpose thefourth connector 750 comprises abottom connection 622 such as present in thesecond connector 650, twofirst inlay channels 724 and asecond inlay channel 725 having parallel passage directions F1-F3. -
Figure 9 shows afifth connector 790 in accordance with the invention, which is a variant of thethird connector 700. The fifth connector can be connected to thebottom connection 622 to the fourthflat cable 400 as discussed above. Thecaps 686 that can be broken away, need to be broken away here. Thefifth connector 790 comprises atop connection 791 that is provided with in this example twoplug connections 792 on thelid 722. Theplug connection 792 comprises threeinsertion bushes 793. Theplug connection 792 is adapted for coupling and uncoupling anelectric branch line 95. Thebranch line 95 comprises a three-leadflexible electricity cable 96 having aplug 97 at its outer end, which plug is provided with threeinsertion bushes 98. Theinsertion bushes plug connection 792 and thebranch line 95 have circumferential profiles having complementary shapes as a result of which theplug 97 can only be plugged in in one way in direction F6 in theplug connection 792. Theplug 97 and theplug connection 792 are adapted for coupling and uncoupling theplug 97 and theplug connection 792 again several times. Theplug 97 and theinsertion bushes 793 of theplug connections 792 are known per se for instance under the name of Wieland ST1 8/3S. - It will be clear that the connecting parts of each of the
various connectors flat cables -
Figure 10 shows a pair ofpincers 1200 with which theconnectors cables pincers 1200 has anupper jaw member 1201, alower jaw member 1202, twohandles transfer mechanism 1203 that is adapted for parallel translation of theupper jaw member 1201 with respect to thelower jaw member 1202 in direction S. Thejaw members straight clenching plate 1206 and aslimmer back 1207. At the insertion side thebacks 1207 are provided with a pre-bevel 1208 and along both sides with aside bevel 1209. In the embodiment shown theupper jaw member 1 201 and thelower jaw member 1202 are equally large. In an alternative embodiment, as shown with interrupted lines, theclenching plate 1206 of thelower jaw member 1202 is at least twice as wide, so that theconnector -
Figures 11A-11D show an application of thethird connector 700.Figures 11B and11C show a synthetic hollow-wall box 800 comprising acircumferential wall 801 provided with acircumferential edge 804 and twobottom members spaces circumferential edge 804 forms an installation edge for building up switch material, in this example twosocket outlets 820. The hollow-wall box 800 thus is a composite or multiple hollow-wall box. On both sides of the two build-inspaces circumferential wall 801 is provided withtension rods 805 known per se havinganchoring plates 806 which can be pulled up manually in direction G only. The hollow-wall box 800 is suitable to be built in into a hollow wall, for instance in a plaster board wall, wherein the hollow-wall box 800 is inserted fittingly in a similarly shaped hole in the plaster board. - The
circumferential edge 804 then touches the front surface of the plaster board, after which after pulling thetension rods 805 in the direction G the anchoringplates 806 contact the rear surface in order to fixate the position of the hollow-wall box. - As shown in
figure 11B at the bottom side on both sides the hollow-wall box 800 comprises anelevated wall bottom wall bridge wall 807 that is situated higher than theelevated walls bridge wall 807 extends in the middle of the hollow-wall box 800. Thebridge wall 807, theelevated walls bottom walls space passage opening bridge wall 807 thethird connector 700 is secured, such that thefirst inlay channels 724 and thesecond inlay channel 725 on both sides of thethird connector 700 are visible and accessible from the upper side via thepassage openings -
Figure 11C shows the position of thethird connector 700 in side view.Figure 11D in an isometric way shows the space in which thethird connector 700 is accommodated. Here it can be seen that at the bottom side the hollow-wall box 800 is provided with two first confiningwalls 810 and two second confiningwalls 811 that are positioned straight opposite each other. The confiningwalls holes 812 in which fourshort fastening ribs 730 of thethird connector 700 are inserted. Thelong fastening ribs 733 then are situated in a lowerededge 817 in thebottom walls - At the bottom side the hollow-
wall box 800 is provided withreinforcement walls 816 in which the guiding of thetension rods 805 is formed and which border the confiningwalls bottom connection 622 of thethird connector 700 in the opened condition projects above thereinforcement walls 816. Thebridge wall 807 is hollow at the lower side facing thethird connector 700 and forms a continuinginsertion channel 818 therewith that is accessible from aside the hollow-wall box and that extends above and over the loweredengagement surface 781 for a pair of pincers. Theinsertion channel 818 extends at the location of the transition between the distinctive build-inspaces circumferential wall 801 defines a narrowing of the hollow-wall box 800. At the outer side of the hollow-wall box 800 theinsertion channel 818 ends in thecircumferential wall 820. Theinsertion channel 818 extends parallel to the installation surface defined by thecircumferential edge 804, transverse to the longitudinal direction of thecable 300. - The
insertion channel 818 and thejaw members pincers 1200, or in the alternative embodiment only theupper jaw member 1201 of the pair of pincers, in cross-section transverse to the insertion direction T have a similarly shaped contour, as a result of which thejaw member 1201 can only be inserted into theinsertion channel 818 in an orientation in which the opposingjaw member 1202 ends up straight above theengagement surface 681 of the pair of pincers which surface freely extends at the rear side. - At the outer end the second confining
walls 811 are provided with an L-shapedadapter piece 813 that is also provided with two long-holes 812. By means of aliving hinge 814, theadapter piece 813 is connected to the second confiningwall 811, and at the opposite outer end asupplementary part 815 is formed. Theadapter piece 813 can be folded down in direction H for getting parallel to and spaced apart from the second confiningwall 811, wherein thesupplementary part 815 comes to abut theelevated wall adapter piece 813 thus renders it possible for the narrower,fourth connector 750 to be accommodated in the hollow-wall box 800. - As shown in
figure 11A twosocket outlets 820 can be secured to the hollow-wall box 800, in this example so-called "Schuko" socket outlets. Thesocket outlets 820 withconductors 80 having asingular core 81, as shown infigure 7A , are connected to thetop connection 721 of thethird connector 700. The hollow-wall box with thethird connector 700 and the already connected andpre-mounted socket outlets 820 form one pre-assembled unit on which in the work for instance the thirdflat cable 300 can be connected such as shown infigure 11A . In that case the thirdflat cable 300 is placed in theconnector 700 and theconnector 700 is closed as shown infigure 11C , after which the pair ofpincers 1200 with theupper jaw member 1201 is fittingly inserted in direction T through theinsertion channel 818 for ending up on theengagement surface 781 for a pair of pincers of thethird connector 700 and which faces theinsertion channel 818. Thelower jaw member 1202 that engages onto theengagement surface 681 for the pair of pincers that is situated at the outside can then beyond theengagement surface 681 for a pair of pincers move unimpeded in direction S until thecable holder 660 of theconnector 700 has been brought in the permanent closing position. After squeezing thethird connector 700 together the thirdflat cable 300 has the final position which is shown infigure 11C with interrupted lines. The thirdflat cable 300 is then situated between and within thereinforcement walls 816. In that way several hollow-wall boxes 800 can be connected to the samecontinuous cable 300. -
Figures 12A-12C show applications of thefirst connector 600 and thethird connector 700, related to acable channel 900 and awire channel 930. The shownmetal cable channel 900 comprises abottom wall 901 and twoside walls 902 rising upright therefrom that have been provided with an inwardly orientedbead edge 903 and a series of fixingholes 904. Themetal wire channel 930 comprises a bottom 931 and twoside walls 932 that are formed with turned transverse wires orbars 933 to whichbottom wires 934 andside wires -
Figure 12A shows twosynthetic connector holders 910 in which afirst connector 600 is secured. Theconnector holders 910 comprise afooting 911 that fits between thebottom wall 901 and thebead edge 903, wherein thefooting 911 hasseveral holes 912 that may coincide with the fixingholes 904 of thecable channel 900 for being attached against it by means of drive rivets that are not further shown, amiddle section 913 that may extend over thebead edge 903, two spaced apart supports 914 which in that case are positioned upright above thebead edge 903, and twoattachment claws 915 oriented transverse thereto which at the sides oriented towards each other are provided with aninsertion slot 916 for accommodation of theelongated fastening ribs 633 of thefirst connector 600 in direction J. Theconnector holders 910 can in the same manner be secured to the shownwire channel 930. For that purpose thefooting 911 comprises acentral hook 917 to be placed over themiddle side wire 935 and threeopenings 918 in a row in the sides and above thecentral hook 917 for accommodating theupper side wire 936. -
Figure 12A shows two attachment positions of theconnector holder 910 with respect to thecable channel 900. In the first position shown thefooting 911 is secured against the inside of theside wall 902, as a result of which the connector is held straight above and considered in vertical projection within thecable channel 900 with the middle longitudinal plane V parallel to the plane of thebottom wall 901. Said position makes it possible to lift a flat cable, for instance the thirdflat cable 300, straight upwards from thecable channel 900 and connect it to thebottom connection 622. By means of thetop connection 621 with the same flat cable a branch can be made that is also held straight above thecable channel 900. Said position offers a clear view and the possibility to provide the flat cable with a properly visible marking, for instance a sticker with an indication of the electricity group to which the cable belongs. -
Figures 1 2B and12C show twosynthetic cable boxes 950 in which thethird connector 700 is secured. Thecable boxes 950 comprise thefooting 911 and themiddle section 913 as described above, and arectangular housing 951 connected to themiddle section 913. Thehousing 951 comprises a straightbottom wall 954 and fourstraight side walls 952 which in the corners are provided with fixingbushes 953. At the front thecable boxes 950 are provided with alid 955 known per se having a socket outlet, in this example a double "Schuko" socket outlet. At its corners thelid 955 is provided with quarter-turn closures 956 with which the lid is secured to thehousing 951. At the rear side thecable boxes 950 are provided with a box-shapedconnector holder 957 that projects from thebottom wall 954 of therectangular box 951. Theconnector holder 957 is hollow on the inside, wherein via an opening in thebottom wall 954 the inner space merges into the inside of thehousing 951. At the upper side facing away from thefooting 911 theconnector holder 957 is closed off with adetachable lid 958 which by means of aflexible coupling 959 in the detached condition also remains connected to theconnector holder 957. At the bottom side facing thefooting 911 theconnector holder 957 is provided with arecess 960 in which thethird connector 700 is accommodated. - The
third connector 700 is secured by means of its fourshort fastening ribs 730 that are snapped fixed into long holes that are not shown. Thethird connector 700 then with itsbottom connection 622 freely extends below theconnector holder 957, wherein the closinglid 662 is able to swing open in direction B in the direction of thefooting 911 for accommodating the thirdflat cable 300. Theengagement surface 781 for the pair of pincers extends above theupper edge 961 of the openedconnector holder 957. The socket outlets of thelid 955 withconductors 80 having asingular core 81 as shown infigure 7A are connected totop connection 721 of thethird connector 700. Thecable box 950 with thethird connector 700 and thelid 955 of which the socket outlets are already connected form one pre-assembled unit that can be secured in the work on thecable channel 900 and can be connected to the thirdflat cable 300 in thecable channel 900 by laying the thirdflat cable 300 in thethird connector 700 squeezing thethird connector 700 together using the pair ofpincers 1200, wherein thelower jaw member 1202 that engages onto theengagement surface 681 for the pair of pincers that is situated at the outside, is able to move unimpeded in direction S until thecable holder 660 of theconnector 700 has been brought in the permanent closing position. Finally thedetachable lid 958 is placed back. In this wayseveral cable boxes 950 can be connected to theflat cable 300. -
Figures 13A-13E show a use of thethird connector 700.Figure 13A shows ametal wall channel 940 known per se for attachment against a wall that is not further shown. Thewall channel 940 comprises anelongated bottom wall 941, twoside walls 942 oriented transverse thereto and twofront walls 943 oriented towards each other that leave anelongated installation opening 946 free. Thefront walls 943 at the side of theinstallation opening 946 are provided with a U-profile 944 having aninsertion slot 945 accessible from the front side. Theinstallation opening 946 can be covered by achannel lid 947 which at the outer ends is provided with a turnededge 948 that is clamped fixed in theinsertion slots 945. - In the wall channel 940 a synthetic
wall channel box 1000 is secured that is further shown infigures 13D-13E . Thewall channel box 1000 comprises a first elongatedrectangular housing 1001 having anelongated bottom wall 1006, twoelongated side walls 1002, aleft side wall 1003 and aright side wall 1004. At the front side theelongated side walls 1002 are provided with anabutment wall 1008 to which abendable insert flap 1009 is formed which can be inserted into theinsertion slot 945, and on both sides thereofbarbs 1007 are formed which engage behind theU-profiles 944. At the inside of theelongated side walls 1002 threadedbushes 1005 are formed with which in this example two of said "Schuko"socket outlets 820 have been secured onto thehousing 1001. Thesocket outlets 820 are finished withtop pieces 821 and acommon framework 822. In the placed condition thewall channel box 1000 can be shifted in direction K in order to be placed in the wanted position in the work. Likewise thechannel lid 947 can be shifted in direction N parallel thereto in order to come to a consecutively abutting whole. - The
wall channel box 1000 comprises a secondelongated housing 1010 that is connected to theright side wall 1004 such that the inside of thesecond housing 1010 via apassage opening 1011 merges into the inside of thefirst housing 1001. The second housing comprises twoelongated side walls 1114, aright side wall 1115, a leftfront wall member 1116 and a rightfront wall member 1117. The leftfront wall member 1116 is provided with arectangular mounting opening 1118. The leftfront wall member 1116 and the rightfront wall member 1117 together leave arectangular engagement opening 1119 free. As shown infigures 13D and13E thesecond housing 1010 is open at the rear side. The elongatedside wall members 1114 are each provided with twoslide guides 1111 and between them twobarbs 1112 that keep aninsert frame 1120 confined in thesecond housing 1010 by engagement onto theparallel side walls 1113 of theinsert frame 1120 such, that it is able to slide within thesecond housing 1010 in a guided manner only in direction M parallel to the slide direction K of the entirewall channel box 1000. In theinsert frame 1120 thethird connector 700 is secured by means of theshort fastening ribs 730 that are inserted into long holes that are not shown of theinsert frame 1120. Thebottom connection 622 of thethird connector 700 is thus accessible from the rear side, and in the intermediate position of theinsert frame 1120 thetop connection 721 is situated in front of the mountingopening 1118 and theengagement opening 1119 as shown. - The
socket outlets 820 withconductors 80 having a singular core as shown infigure 7A are connected to thetop connection 721 of thethird connector 700. Thewall channel box 1000 with the third connector and the already connected andpre-mounted socket outlets 820 form one pre-assembled unit to which in the work for instance the thirdflat cable 300 can be connected that has already been placed in thewall channel 940 and extends over its length. In that case the thirdflat cable 300 is locally lifted out of thewall channel 940 for by means of the pair ofpincers 1200 being connected to thethird connector 700. Thelower jaw member 1202 that engages onto theengagement surface 681 for the pair of pincers that is situated at the outside, is able to move unimpeded in direction S until thecable holder 660 of theconnector 700 has been brought in the permanent closing position. After squeezing thethird connector 700 together it is no longer able to move with respect to the thirdflat cable 300. Theengagement surface 681 for the pair of pincers and its notional continuation transverse to the longitudinal direction of thecable 300 also in the squeezed together position still extends freely above the edges of theinsert frame 1120. In order to obtain some play when inserting thewall channel box 1000 in thewall channel 940, thefirst housing 1001 can by means of theslidable insert frame 1120 still be shifted in direction K with respect to the fixedthird connector 700. In addition to ease of installation when inserting, it is thus also possible to adjust thewall channel box 1000 in direction K to the desired final position. In this way severalwall channel boxes 1000 can be connected to theflat cable 300. - The above description is included to illustrate the operation of preferred embodiments of the invention and not to limit the scope of the invention as defined in the appended claims. Starting from the above explanation many variations that fall within the scope of the present invention as defined by the appended claims will be evident to an expert.
Claims (15)
- Assembly comprising a first cable (200; 400), a first connector (600; 650; 700; 750; 790) that engages onto the first cable and a separate second connector (90) for engagement onto the first cable, wherein the first cable comprises an outer jacket (201; 401) and adjacent to each other a first, a second and a third conductor (10, 20, 30) and several control current conductors (60), which within the outer jacket extend substantially parallel to each other and at substantially fixed mutual distances in a notional common straight plane (V), wherein the first, second and third conductor are each built up with an insulating sheath (12, 22, 32) of electrically insulating material in which only one singular solid core (11, 21, 31) of electrically conductive material is accommodated, and the control current conductors extend at the side of the first conductor situated opposite the second and third conductor, wherein the first connector comprises a first housing (623) having first electrical contacts (655) that cut through the jacket, wherein the first cable extends in its longitudinal direction between two opposite head sides (625) of the first housing, wherein the first electrical contacts each cut through the outer jacket and the insulating sheaths of the first, second or third conductor and then are in electrically conductive contact with its core, wherein the first housing at at least one of the longitudinal sides (627) extending between the head sides is provided with a recess-bounding (630) insertion framework (628, 629) within which the first cable at the location of the control current conductors (60) extends freely, wherein the second connector (90) comprises a second housing (91) and second electrical contacts that cut through the jacket, wherein the second connector (90) is adapted for placement within the insertion framework (628, 629) and by means of the second electrical contacts cutting through the outer jacket of the first cable to come into electrically conductive contact with the control current conductors (60) and to bring the control current conductors (60) in electrically conductive contact with branch cables (93) via the second electrical contacts.
- Assembly according to claim 1, wherein the first connector (600; 650; 700; 750; 790) is provided with a cable carrier (660) having an abutment profile (663, 664, 676, 677) shaped complementary to the outer jacket in which carrier the first cable (200; 400) is fittingly accommodated, wherein the first electrical contacts project from the abutment profile, wherein the insertion framework (628, 629) preferably laterally interrupts the abutment profile.
- Assembly according to claims 1 or 2, wherein the insertion framework (628, 629) has a rectangular shape.
- Assembly according to any one of the preceding claims, wherein the first and second connector are provided with cooperating couplings for coupling the second connector (600; 650; 700; 750; 790) to the first connector (90) within the insertion framework (628, 629), and/or wherein the first cable (200; 400) carries the second coupling within the insertion framework (628, 629).
- Assembly according to any one of the preceding claims, further comprising a branching conductor (80) to be connected to the first connector (700; 750), wherein the the branching conductor is built up with an insulating sheath (82) of electrically insulating material in which only one singular solid core (81) of electrically conductive material is accommodated, wherein the first connector comprises a branch connection (724, 725, 726, 754) for the branching conductor (80), wherein the branch connection comprises an insert contact (754) that is electrically conductively connected to at least one of the electrical contacts and an insertion channel (724, 725, 726) leading to the insert contact, wherein the insertion channel is oriented for guided insertion of the branching conductor to the insert contact in an insertion direction (F1-F5) parallel to the notional straight plane (V) of the first cable, wherein the insertion channel (724, 725, 726) is preferably oriented for guided insertion of the branching conductor with the insertion direction (F1-F5) parallel to the longitudinal direction of the first cable (200; 400).
- Assembly according to claim 5, wherein the housing (623) comprises an outer wall (723) extending above the first cable in which wall the insertion channel (724, 725, 726) is defined, wherein the insertion channel is preferably bounded by a slide (724, 725) partially recessed in the outer wall and open at the side facing away from the first cable, wherein the slide (724, 725) preferably has a cylindrical bottom shape.
- Assembly according to claim 6, wherein the insertion channel (724, 725, 726) is bounded by a tunnel segment (726) partially extending above the outer wall (723) and defining a passage through the upper wall, wherein the tunnel segment (726) preferably has a cylindrical inner wall and/or upper wall.
- Assembly according to claims 6 and 7, wherein in insertion direction (F1-F5) the tunnel segment (726) is situated behind the slide (724, 725), wherein in the insertion direction (F1-F5) the tunnel segment (726) preferably runs into connection with the slide (724, 725).
- Assembly according to any one of the claims 1-4, further comprising a second cable (200; 400), wherein the first connector (600; 650) engages onto the first and second cable (200; 400), wherein the second cable comprises an outer jacket (201; 401) and adjacent to each other a first, a second and a third conductor (10, 20, 30) that extend within the outer jacket substantially parallel to each other and at substantially fixed mutual distances in a notional common straight plane (V), wherein the first, second and third conductor are each built up with an insulating sheath (12, 22, 32) of electrically insulating material in which only one singular solid core (11, 21 , 31) of electrically conductive material is accommodated, wherein the first housing, comprises first electrical contacts (655) that cut through the jacket and second electrical contacts (655) that cut through the jacket, wherein the first contacts each cut through the outer jacket and the insulating sheaths of the first, second or third conductor of the first cable (200; 400) and then are in electrically conductive contact with its cores and the second contacts each cut through the outer jacket and the insulating sheaths of the first, second or third conductor of the second cable and then are in electrically conductive contact with its cores, wherein the first and second cables extend through the first housing straight above one another and with the notional planes (V) parallel to each other and the first and second contacts (655) electrically connect the conductors to each other that extend straight above one another considered transverse to the notional plane (V).
- Assembly according to claim 9, wherein the first connector (600; 650) is provided with a cable carrier partially accommodated in the first housing (623) and the electrical contacts (655) project from the first housing in the direction of the cable carrier (660), wherein the cable carrier is movable with respect to the first housing between a first pre-determined position in which the electrical contacts are spaced apart from the outer jacket, and a second pre-determined position in which the electrical contacts cut through the outer jacket and the insulating sheath, wherein the cable carrier is preferably provided with an inlay part (661) and a closing lid (662), wherein in the first position of the cable carrier the closing lid can be placed on the inlay part for fitting confinement of the first or second cable, wherein the connector is preferably provided with closing parts (679) for the lid, wherein the closing parts are adapted for repeatedly opening and closing the lid in the first position and permanently closing the lid in the second position.
- Assembly according to claim 10, wherein the first housing (623) is provided with bendable breaking lips (690) which at the free outer end are provided with a closing cam (632) oriented to the cable carrier, which cam (632) in the second position of the cable carrier engages onto the cable carrier for permanently blocking a return to the first position, wherein the breaking lip (690) is adapted for breaking when ending the engagement of the closing cam (632) by bending outwards.
- Assembly according to claim 10 or 11, wherein the first or second cable (200; 400) is fittingly accommodated in an abutment profile (663, 664, 676, 677) of the cable carrier which profile is shaped complementary to the outer jacket.
- Assembly according to any one of the preceding claims, wherein considered in a cross-section transverse to the longitudinal direction of the first and/or second cable (200; 400) the outer contour of the outer jacket at the location of the conductors (10, 20, 30) is higher than between the conductors for at the outer side of the outer jacket visibly and palpably indicating the location of the conductors, wherein the notional straight plane (V) defines a plane of symmetry (V) for the outer contour, wherein the intermediate distance between the first and the second conductor (10, 20) is larger than the intermediate distance between the second and the third conductor (20, 30), and/or wherein considered in a cross-section transverse to the longitudinal direction of the first and/or second cable the outer contour of the outer jacket at the location of the conductors (10, 20, 30) is higher than between the conductors for at the outer side of the outer jacket visibly and palpably indicating the location of the conductors, wherein the notional straight plane (V) defines a plane of symmetry (V) for the outer contour, wherein considered transverse to the plane of symmetry the shape of the outer contour above the first conductor (10) differs from the shape of the outer contour above the second and/or third conductor (20, 30).
- Assembly according to claims 12 and 13, wherein the abutment profiles (663, 664, 676, 677) for the first and second cable are symmetrical with respect to a middle plane of symmetry (W) extending parallel between the cables.
- Assembly comprising a cable according to any one of the preceding claims, further comprising and an appliance connection (95) connected to the first connector (790), wherein the first connector (790) comprises a multipolar first plug connection (792) onto the housing that is electrically connected to the electrical contacts (665), wherein the electrical contacts each cut through the outer jacket and the insulating sheaths of the first, second or third conductor (10, 20, 30) and then are in electrically conductive contact with its core, wherein the appliance connection (95) is provided with a multipolar second plug connection (97) and a flexible multi-lead cable (96) connected to the second plug connection of which multi-lead cable the leads are each built up from a bundle of several conductors, wherein the first plug connection (792) and the second plug connection (97) are connected to each other and are intended and adapted for breaking and realising the mutual connection several times, wherein the first connector (790) is preferably provided with several first plug connections (792) and several appliance connections (95) connected thereto.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL2003318A NL2003318C2 (en) | 2009-07-31 | 2009-07-31 | CABLE SYSTEM. |
Publications (3)
Publication Number | Publication Date |
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EP2280454A2 EP2280454A2 (en) | 2011-02-02 |
EP2280454A3 EP2280454A3 (en) | 2011-02-09 |
EP2280454B1 true EP2280454B1 (en) | 2017-04-12 |
Family
ID=41683141
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP10171011.9A Not-in-force EP2280454B1 (en) | 2009-07-31 | 2010-07-28 | Cable system |
Country Status (3)
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EP (1) | EP2280454B1 (en) |
CN (1) | CN101989697A (en) |
NL (1) | NL2003318C2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5868018B2 (en) * | 2011-04-11 | 2016-02-24 | スリーエムイノベイティブ プãƒãƒ‘ティズ カンパニー | connector |
DE202016102071U1 (en) * | 2016-04-20 | 2016-06-10 | Kalthoff Gmbh | Electrical device connection cable |
EP3319179A1 (en) * | 2016-11-03 | 2018-05-09 | HPH Hardegger AG | Method for electrically connecting electrical equipment in a kitchen |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
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DE2264216B2 (en) * | 1972-12-30 | 1976-05-26 | Brown, Boveri & Cie Ag, 6800 Mannheim | ELECTRICAL INSTALLATION SYSTEM |
FR2665803B1 (en) * | 1990-08-09 | 1993-06-18 | Labinal | BYPASS CONNECTOR. |
US5059137A (en) * | 1990-08-23 | 1991-10-22 | Amp Incorporated | Insulation displacement contact for flat cable |
US5190468A (en) * | 1991-06-10 | 1993-03-02 | Smart House, L.P. | Ribbon cable connector |
US5498172A (en) * | 1993-07-30 | 1996-03-12 | Sunx Kabushiki Kaisha | Electrical connector for interconnecting parallel multiconductor cables |
DE29910342U1 (en) * | 1999-06-14 | 1999-09-02 | Gira Giersiepen Gmbh & Co Kg, 42477 Radevormwald | Device for voltage tapping from an electrical line |
DE19947834C1 (en) * | 1999-10-05 | 2001-05-23 | Siemens Ag | Electrical quick connection system |
DE10205614B4 (en) * | 2002-02-11 | 2005-05-04 | Wieland Electric Gmbh | connection adapter |
US20040115984A1 (en) * | 2002-12-12 | 2004-06-17 | Rudy William J. | Light socket assembly for use with conductors arranged in a ribbon cable |
DE202005018318U1 (en) * | 2005-10-28 | 2007-03-15 | Weidmüller Interface GmbH & Co. KG | Plug connection for flat cable and contact element for such a connector |
US7156686B1 (en) * | 2005-12-27 | 2007-01-02 | Gelcore Llc | Insulation displacement connection splice connector |
NL1034401C2 (en) * | 2007-09-18 | 2009-04-29 | Albertus Van Zanten | Phase-selective connection system. |
-
2009
- 2009-07-31 NL NL2003318A patent/NL2003318C2/en not_active IP Right Cessation
-
2010
- 2010-07-28 EP EP10171011.9A patent/EP2280454B1/en not_active Not-in-force
- 2010-08-02 CN CN2010102438008A patent/CN101989697A/en active Pending
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
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EP2280454A3 (en) | 2011-02-09 |
CN101989697A (en) | 2011-03-23 |
EP2280454A2 (en) | 2011-02-02 |
NL2003318C2 (en) | 2011-02-02 |
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