• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a male RJ45 plug having a printed circuit board (8) having electrical tracks, at least one ground plate sandwiched between circuit faces (23, 24) and a longitudinally extending slot (38). opening on one side (20) of said circuit and being configured to pass through both said faces and said at least one ground plate, and a blooming system (9) mounted on said circuit and having a splitter body (25), an extension body (26) provided with a recess (27) configured to receive said circuit and a central wall (28) dividing said recess into two portions and being configured to fit into said slot; said central wall and said at least one ground plate being configured to be electrically interconnected and form an electrical and / or magnetic shielding barrier between pair of lead wires (11-14) mounted on the spreader and connected to the circuit.
    公开号:FR3016740A1
    申请号:FR1450403
    申请日:2014-01-17
    公开日:2015-07-24
    发明作者:Julien Guitard；Vincent Grigis
    申请人:Legrand SA；
    IPC主号:
    专利说明:

    [0001] FIELD OF THE INVENTION The invention relates to the field of connectors and more specifically to the RJ45 plugs for RJ45 patch cords configured to interconnect electronic and / or computer equipment.
    [0002] BACKGROUND ART US Pat. No. 8,298,922 discloses such a male RJ45 plug for an RJ45 patch cord, provided with a printed circuit having two opposite faces and electrical tracking tracks on each of these faces, a separation system configured to separate pairs of conductive son that includes RJ45 patch cord, and a metal outer shell partially enveloping the printed circuit. The system for separating pairs of conducting wires comprises two similar subassemblies made of non-conductive material and mounted on both sides on the faces of the printed circuit.
    [0003] The RJ45 plug has four self-stripping contact devices mounted projecting on each of the faces of the printed circuit, as well as a shielding wall also mounted on each of the faces of the printed circuit. Each separation subassembly comprises a body in which are formed four insertion cavities configured to receive two pairs of conductive wires, four grooves configured to each receive an end of a respective self-stripping contact device, and a insertion slot configured to accommodate a respective shield wall. OBJECT OF THE INVENTION The invention aims to provide a male RJ45 plug of a similar kind, which is particularly simple, convenient and economical both in manufacture and use.
    [0004] The invention thus provides, in a first aspect, a male RJ45 plug for RJ45 electrical connection cord provided with a cable having four pairs of conducting wires configured to be electrically connected to said plug, which comprises a printed circuit having a first face and a second face opposite to said first face, and a plurality of electrical pathways to which said pairs of conductive wires are configured to be electrically connected, a blooming system mounted on said printed circuit and configured to separate electrically isolating and electrically shielding said pairs of conductive wires from each other; said plug being characterized in that: - said printed circuit comprises at least one ground plate sandwiched between its first and second faces and a central through slot extending longitudinally in said printed circuit and opening on one side of said circuit board said central through slot being configured to pass through both said first and second faces and said at least one electric ground plate; said expansion system comprises a separator body and an extension body projecting from said separating body, said extension body being provided with a recess configured to receive said printed circuit and a central wall of electrical shielding and or magnetic splitting said recess into two portions and being configured to fit at least substantially into said central through slot of said printed circuit; and said central electrical and / or magnetic shielding wall and said at least one ground plate of said printed circuit are configured to be electrically interconnected and thereby form an electrical and / or magnetic shielding barrier between each pair of conductive wires. The electrical and / or magnetic shielding barrier which is created between each location for the pairs of conducting wires, which wires are themselves configured to be electrically connected to this plug, advantageously makes it possible to provide the plug according to the invention particularly high performance in terms of crosstalk. In fact, the level of crosstalk generated between the pairs of conducting wires in the male RJ45 plug according to the invention is here rendered negligible, or almost, thanks to the partitioning of the pairs of wires that are juxtaposed in the system. by means of the central electrical and / or magnetic shielding wall which is inserted into the slot of the printed circuit, and pairs of wires which are superimposed in the blooming system, via said at least one ground plate of the printed circuit which is inserted into the recess of the extension body of the blooming system. According to preferred, simple, convenient and economical characteristics, the plug further comprises a metal casing configured to at least partially enclose said printed circuit, and said central wall of electrical and / or magnetic shielding, said at least one ground plate. and said metal shell is configured to be electrically interconnected and thereby substantially form an individual electrical and / or magnetic shielding cage around each pair of lead wires. This makes it possible to create an electrical and / or magnetic shielding barrier which is even more efficient and thus makes the level of crosstalk generated between the pairs of conductive wires in the male RJ45 plug according to the invention even more negligible. According to preferred, simple, convenient and economical characteristics of the male RJ45 plug according to the invention: said central wall of electrical and / or magnetic shielding is provided with an upper end and a lower end opposite said upper end and at least one projection protruding projecting from at least one said upper end and / or bottom and configured to be at least partially received in at least one cavity in said metal casing; Said plug further comprises contact pads configured to be fixed on said printed circuit and a contact body configured to be mounted on said contact pads, and said metal casing is provided with a recessed portion and / or an elevation portion against which is positioned said contact body; said male plug further comprises a ratchet configured to immobilize said plug in a receptacle in which said plug is configured to be mounted, and said metal casing is provided with a recessed portion and / or an elevation portion against which is positioned said detent piece; said metal casing is formed in two parts, respectively a plug body configured to receive said printed circuit and said expansion system, and a plug cover configured to be mounted on said socket body and to cover said printed circuit board and said blooming system; said printed circuit is provided with at least one notch provided on at least one side of said printed circuit and said metal envelope is provided with at least one contact pad configured to cooperate with said at least one notch so as to establish a connection between said at least one ground plate and said metal shell; said expansion system further comprises self-stripping contact systems configured to establish an electrical connection between said pairs of conductive wires and said electrical pathways of said printed circuit, each self-stripping contact system being provided with two members self-stripping contact and a molded body configured to at least partially receive and electrically isolate said self-stripping contact members from one another, said extension body of said expansion system comprises two positioning pieces mounted on said central wall on either side of said recess, and each molded body is fixed both on a said respective positioning piece and on said separating body; at least one said positioning piece has an external face on which is provided at least one bearing surface and said metal casing is provided with at least one contact and positioning member configured to bear on said at least one bearing surface ; and / or at least one said positioning piece has lateral bosses and said metal envelope has at least one internal face provided with grooves which are configured to cooperate with said lateral bosses, so as to establish an electrical connection between the spreader and the metal casing; each molded body is provided with a bottom face facing said recess, with three longitudinal walls located at a distance from each other and extending opposite said bottom face, with two insertion spaces provided each between two successive walls and each extending transversely in said molded body to open into said bottom face, and each self-stripping contact member is introduced into a said respective insertion space and runs on either side of this space ; each molded body is provided with a bottom face and at least one rib formed on said bottom face and projecting into said recess formed in said extension body, said at least one rib being configured to guide said printed circuit board; in said recess; said separating body is provided with first attachment tabs extending towards a said respective positioning piece, which is provided with at least one second attachment tab extending opposite a said first hooking tab respective, and each molded body is provided with two ends in the form of clamp respectively mounted on a said first bracket and on a said second bracket next to the latter; said separator body comprises a cross-shaped metal base having a central wall and two lateral walls disposed on either side of the central wall, said central wall having an upper end and a lower end opposite said upper end, and at least one projection protruding projecting from at least one said upper end and / or lower and configured to be at least partially received in at least one cavity in said metal casing; and / or said separating body comprises a cross-shaped metal base having a central wall and two lateral walls arranged on the one hand and on the other side of the central wall and each having a portion provided with lateral bosses and said metal envelope. has at least one inner face provided with grooves which are configured to cooperate with said lateral bosses, so as to establish an electrical connection between the spreader 5 and the metal shell. The invention also has, in a second aspect, an RJ45 patch cord configured to interconnect electronic and / or computer equipment, comprising an electrical cable having a first end and a second end opposite the first end, a sheath insulation and four pairs of conductive wires wrapped in said sheath; and at least one male RJ45 plug as described above, mounted on at least one said first end and / or second end of said cable. The connecting cord according to the invention is thus particularly simple, convenient and economical both in manufacture and in use. BRIEF DESCRIPTION OF THE DRAWINGS The description will now be continued of the invention by the description of an exemplary embodiment, given below by way of nonlimiting illustration, with reference to the appended drawings, in which: FIG. schematically, in perspective, a RJ45 patch cord according to the invention, provided with a cable and two plugs attached to two opposite ends of the cable; FIG. 2 diagrammatically shows, in exploded perspective, a first plug at a first end of the cord cable shown in FIG. 1; - Figures 3 and 4 show schematically the two faces of a printed circuit that comprises each of the male plugs of the cord; - Figure 5 is a sectional view of the printed circuit taken along the axis V-V in Figure 3; Figures 6 and 7 show, schematically in perspective, a spreader of the first plug illustrated in Figure 2, taken at different angles of view; - Figures 8 and 9 show schematically in perspective, respectively a gripping body and a cap, forming a metal casing that includes the first plug shown in Figure 2; - Figures 10 to 13 show, schematically in perspective, different assembly steps of the first plug illustrated in Figure 2; and FIG. 14 is a sectional view taken along the axis XIV-XIV in FIG. 13. DETAILED DESCRIPTION OF AN EXEMPLARY EMBODIMENT FIG. 1 illustrates a RJ45 connection cord ("Registered Jack" in English terminology ), referenced 1, configured to interconnect electronic and / or computer equipment. This cord 1 comprises an electric cable 2 having a first end 3 and a second end 4 opposite the first end 3.
    [0005] This cord 1 further comprises a first plug 5 mounted on the first end 3 of the cable 2 and a second plug 6 mounted on the second end 4 of the cable 2. The male sockets 5 and 6 are here formed by male plugs and are configured to be inserted into respective female sockets (not shown), formed by female sockets. The cable 2 comprises an insulating sheath 15 and four pairs of twisted conductive wires 11 to 14 wrapped in the sheath 15, respectively a first pair of wires 11, a second pair of wires 12, a third pair of wires 13 and a fourth pair of wires. wire 14 (Figure 2).
    [0006] In the example illustrated and described, the first pair of wires 11 corresponds to the blue pair of wires of the ANSI / TIA / EIA 568-B telecommunications wiring standard, the second pair of wires 12 corresponds to the orange pair of wires. son son of this standard, the third pair of son 13 corresponds to the green pair of conductive son of this standard and the fourth pair of son 14 corresponds to the brown pair of son son of this standard. The cable 2 here has an electrical and / or magnetic shield, formed for example by one or more wire meshes (not shown) at least partially surrounding the pairs of conducting wires 11 to 14. This electrical and / or magnetic shielding extends for example along the cable 2 between the first and second plugs 5 and 6 or is at least located at the first and second ends 3 and 4 of the cable 2. The first and second plugs 5 and 6 comprise the same elements arranged in a manner similar to each other and on the respective ends 3 and 4 of the cable 2. Only the first plug 5 mounted on the first end 3 of the cable 2, illustrated in FIG. 2, is here described in such a way overall. The first plug 5 comprises a printed circuit 8 provided with a first face 23 and a second face 24 opposite to the first face 23 (FIGS. 3 and 4), and a plurality of electrical tracking tracks 41 to 44 15 of the first and second faces 23 and 24. The first plug 5 comprises a blooming system 9, hereinafter called spreader, configured to be mounted on a first side 20 of the printed circuit 8, on the one hand and on the other side. other of its first and second faces 23 and 24, for electrically connecting the pairs of wires 11 to 14 to the tracks 41 to 44 of the printed circuit 8. The spreader 9 here has a separator body 25 and an extension body 26 The expansion body 26 has a receiving recess 27 of the printed circuit 8 and is provided with a central wall 28 of electrical and / or magnetic shielding which divides the recess 27 into two parts. The separating body 25 is here configured to separate and direct the pairs of conducting wires 11 to 14 while the extension body 26 is here configured to establish the electrical connections between these conductors 11 to 14 and the tracks 41 44 to the printed circuit 8. The extension body 26 here has self-stripping contact systems 229 (FIGS. 6 and 7) for establishing these electrical connections.
    [0007] The first plug 5 comprises contact pads 10 configured to be mounted on a second side 21 of the printed circuit 8, opposite its first side 20, for electrically connecting the tracks 41 to 44 of the printed circuit 8 to contact members a corresponding socket (not shown). The contact pads 10 are here configured to be mounted on one or other of the first and second faces 23 and 24 of the printed circuit 8 (see below in more detail). The first plug 5 further comprises a contact body 16 configured to be mounted on the contact pads 10 and at least partially introduced into the socket. The first plug 5 comprises a latching piece 17 configured to be mounted on the second side 21 of the printed circuit 8, opposite the contact body 16, and to be at least partially inserted and locked by snapping into the socket of FIG. so as to immobilize the first plug 5 in the latter. The contact body 16 is thus mounted on the same face of the printed circuit 8 as the contact pads 10, while the ratchet piece 17 is here mounted on the other side of the printed circuit board 8.
    [0008] The first plug 5 further comprises an envelope here made of metal and formed of a gripping body 18 and a jack cover 19 configured to be assembled with one another and thus to envelop, at least for the most part, the circuit board 8, the spreader 9 and the contact pads 10. As will be seen hereinafter in more detail, the first plug 5 is configured so that the gripping body 18, the plug cover 19, the printed circuit board 8 and the spreader 10 are electrically connected together. The socket body 18 forms here a lower half-shell defining an internal space 30 configured to receive the printed circuit 8 and having a bottom wall (not shown) configured to face the face of the printed circuit board 8 on which are mounted contact pads 10.
    [0009] The jack cover 19 forms here an upper half-shell configured to be mounted in particular on the printed circuit 8 and on the spreader 9 and has an upper wall (not shown) configured to face the face of the printed circuit 8 which is opposed to that on which are mounted the contact pads 10. The first plug 5 further comprises a sleeve 22 here substantially tubular, made of plastic material, and configured to cover the end 3 of the cable 2 and partially the body socket 18 and the socket cover 19.
    [0010] This sleeve 22 comprises a deformable tongue 29 configured to bear on the end of a deformable tab of the latching piece 17, to unlock the first plug 5 of the socket. We will now describe in more detail the printed circuit 8 with reference to FIGS. 3 to 5. The printed circuit 8 is here formed of a multilayer structure, of which three so-called substrate layers 32 and four so-called copper layers 31 (only two of which are represented), interposed between the first and second faces 23 and 24 on which are formed the tracks 41 to 44.
    [0011] The two copper layers sandwiched between the three so-called substrate layers 32 form electric mass plates 31, also called ground planes. The circuit board 8 has a first pair of tracks 41a-b, a second pair of tracks 42a-b, a third pair of tracks 43a-b and a fourth pair of tracks 44a-b which run along the first and second faces 23 and 24. The printed circuit 8 has, on its first side 20, a first pair of connection terminals 51a-b at the input of the circuit 8 and a second pair of connection terminals 52a-b at the input of the circuit 8, which are arranged on the first face 23 of the circuit 8, and a third pair of connection terminals 53a-b at the input of the circuit 8 and a fourth pair of connection terminals 54a-b at the input of the circuit 8, which are arranged on the second 24 of the circuit 8. The printed circuit 8 also has, on its first side 20, a first copper plane 71 disposed opposite the first pair of connection terminals 51a-b; a second copper plane 72 disposed opposite the second pair of connection terminals 52a-b; a third copper plane 73 disposed opposite the third pair of connection terminals 53a-b; and a fourth copper plane 74 disposed opposite the fourth pair of connection terminals 54a-b.
    [0012] Each of the copper plane 71 to 74 is here equipped with two vias each configured to establish an equipotential electrical connection between the ground planes 31. The printed circuit 8 has, on its second side 21, a first pair of connection terminals 61a. b at the output of the circuit 8, a second pair of connection terminals 62a-b at the output of the circuit 8, a third pair of connection terminals 63a-b at the output of the circuit 8 and a fourth pair of connection terminals 64a-b in output of the circuit 8. Each output connection terminal is formed through the circuit 8 and opens at the same time on the first and second faces 23 and 24 of the circuit 8. The input connection terminals 51-54 are here aligned, in pairs, on the respective faces 23-24 of the circuit 8 while the output connection terminals 61-64 are arranged in two rows, one of the rows having six output connection terminals 61a-b, 62a-b and 64a-b and the other row having both remaining output connection terminals 63a-b. The first pair of input connection terminals 51a-b is here connected directly to the first pair of output connection terminals 61a-b via the first pair of tracks 41a-b, which tracks each comprise a single portion which travels continuously only on the first face 23 of the circuit 8. The second pair of input connection terminals 52a-b is here connected directly to the second pair of output connection terminals 62a-b via of the second pair of tracks 42a-b, which tracks each comprise a single portion which travels continuously only on the first face 23 of the circuit 8. The third pair of input connection terminals 53a-b is here connected directly to the third pair of output connection terminals 63a-b via the third pair of tracks 43a-b, which tracks each comprise a single portion which continuously travels uniquely; t on the second face 24 of the circuit 8. The fourth pair of input connection terminals 54a-b is here indirectly connected to the fourth pair of output connection terminals 64a-b through the fourth pair of tracks. 44a-b, which tracks each comprise a first portion, respectively 45a and 45b, which travels on the second face 24 of the circuit 8 and a second portion, respectively 46a and 46b, which runs on the first face 23 of the circuit 8.
    [0013] The first and second respective portions of the tracks 44a and 44b are connected by transition portions 47 which pass through the electric ground plates 31 of the circuit 8 to join one or the other of the faces 23 and 24 of the circuit 8. These portions transitions are here formed by transition vias 47 which are metallized holes and therefore electrical conductors.
    [0014] The printed circuit 8 further comprises a plurality of interconnect vias 35 housed at different locations in the circuit 8 and which all pass through both the first and second faces 23 and 24 and the ground plates 31 of the circuit 8. These vias interconnection 35 are here formed by metallized holes and are therefore electrical conductors passing through the ground plates 31. The vias 35 are configured to maintain an equipotential bonding between the ground plates 31 of the printed circuit 8, which allows avoid creating different surface currents between each ground plate 31. It should be noted that some vias 35 are further configured to improve the electrical and / or magnetic shielding between the pairs of tracking tracks. This is for example the two pairs of vias 35 disposed on the second side 21 of the printed circuit 8 and interposed respectively between the first pair of tracks 41a-b and the second portions 46a and 46b of the fourth pair of tracks 44a-b and between the first pair of tracks 41a-b and the second pair of tracks 42a-b. The printed circuit 8 has a third side 33 and a fourth side 34 opposite the third side 33, as well as two notches 36 formed on each of the third and fourth sides 33 and 34, in the material of the circuit 8. These notches 36 are configured to allow the establishment of an electrical connection between the ground plates 31 and the socket body 18. The printed circuit 8 further comprises a central through slot 38 extending longitudinally in the circuit 8 and opening on the first side 20 of the circuit 8. The slot 38 passes through both the first and second faces 23 and 24 and the ground plates 31 of the circuit 8 and is configured to receive the central wall 28 of the spreader 9. The printed circuit 8 includes in addition to a connection pad 37 housed at the end of the slot 38 and opening at each of the first and second faces 23 and 24. The connection pad 37 is equipped with vias (not shown s) which are configured to minimize electrical and / or magnetic coupling between pairs of tracking tracks 41 to 44. Figures 6 and 7 show in detail the spreader 9 at different viewing angles. The spreader 9 has a general longitudinal shape extending between a first end 210, which extends the separator body 25, and a second end 211, opposite the first end 210, to which the body extends extension 26 projecting from the separator body 25. It will be observed that the spreader 9 here has two axes of symmetry, orthogonal, extending longitudinally along the spreader 9 so that the latter has an upper portion and a lower part which is the mirror image of the upper part as well as a first lateral part and a second lateral part which is also the mirror image of the first lateral part.
    [0015] The separating body 25 here comprises a cross-shaped metal base having a central wall 212 and two lateral walls 213 disposed on either side of the central wall 212. In FIGS. 6 and 7, the central wall 212 is vertical while that the side walls 213 are horizontal.
    [0016] Each side wall 213 has a first portion 214 which is flat, a second portion 215 extending from the first portion 214 and which is substantially conical, and a third portion 216 extending from the second portion 215 at its widest end, which is flat.
    [0017] The second conical portion 215 is provided with lateral bosses 217 and the third portion 216 has a substantially C shape provided with two first attachment tabs 218 on which are also formed lateral bosses 275. The central wall 28 of the extension body 26 is here metallic and extends in the extension of the central wall 212 of the separator body 25. The spreader 9 has an upper edge 219 along the respective upper ends of the central walls 212 and 28 and three protuberances 220, 221 and 222, said higher, extending projecting from this upper edge 219.
    [0018] The spreader 9 further has a lower edge (not shown) along the respective lower ends of the central walls 212 and 28 and three protuberances identical to those mentioned above, said lower, and of which only one is visible in the figures, s extending projecting from the lower edge.
    [0019] The protrusion 220 is formed on the central wall 212, the protuberance 222 is formed on the central wall 28 and the protrusion 221 is arranged astride the central walls 212 and 28. The extension body 26 comprises two positioning parts 223 here substantially L-shaped, each mounted on the central wall 28 at the second end 211 of the spreader 9 and on either side of the recess 27 formed in the extension body 26.
    [0020] Each positioning piece 223 is here metallic and has a first leg 224 of the L in which are provided two notches 225, and a second leg 226 of the L extending from the first leg 224 towards the separating body 25.
    [0021] Note that the notches 25 are provided for the initial positioning of the pairs of son when the latter are mounted on the spreader 9 (see below in more detail). Once the wires in place, they are cut at their respective free end (see Figures 10 and 11). The second branch of L here forms a second bracket 226 disposed on either side of the central wall 28 of the extension body. The first branch 224 furthermore has an outer face 228 on the opposite side to the side of which extends the second branch, outer face 228 on which three bearing surfaces 227 are formed. Each bearing surface 227 is here formed between two notches 225 15 successive. It will be observed that the separating body 25 and the extension body 26 are configured so that each first attachment tab 218 is located opposite and at a distance from a second respective fastening tab 226. Each positioning piece 223 is in position. further provided with side bosses 276, similar to the side bosses 275 formed on the third portion 216 of each side wall 213, and located at the junction of the first and second legs of L. The extension body 26 further comprises self-stripping contact 229 each disposed in the space between first and second respective hook tabs 218 and 226. Each self-stripping contact system 229 includes two self-stripping contact members 230 which are metallic, and a molded body 231 which is made of plastic and in which these two members 230 are housed. Each member 230 comprises a contact base 291 and perforating teeth. 232 protruding from the base of contact 291.
    [0022] Each molded body 231 has a longitudinal portion 233 which has, at its two ends, two recesses 234 thus forming two substantially C-shaped clamps which are respectively mounted on a first hook tab 218 of the third portion 216 and on a second Fastening tab 226 of a positioning piece 223. Each longitudinal portion 233 has a bottom face 237 and three longitudinal walls 235 located at a distance from each other and extending opposite the bottom face 237. Each molded body 231 further comprises two insertion spaces 236 each formed between two successive walls 235 and each extending transversely in the longitudinal portion 233 to open into the bottom face 237. In each of the insertion spaces 236 is introduced a self-stripping contact member 230. Each insertion space 236 has a cavity portion for receiving the contact base 291 of a respective member 230, and a tunnel portion between two respective walls 235, in which project the respective perforation teeth 232. The contact base 291 of each member 230 protrudes from the cavity portion 20 of the respective insertion space 236 in the recess 27 in the extension body 26. Each molded body 231 further includes, at each end of the longitudinal portion 233, a rib 238 formed on its bottom face 237 and protruding in the recess 27 formed in the extension body 26. In the spreader 9, eight members 230 are thus arranged, two by two , on either side of the central wall 28 and on either side of the recess 27 of the extension body 26, in the extension of the upper and lower faces of the two lateral portions 213 of the separator body 25. Figures 8 and 9 show in detail the socket body 18 and the socket cover 19 forming a metal casing that includes the first plug 5.
    [0023] The grip body 18 is generally U-shaped and has a first end 240 and a second end 241 opposite the first end 240. The grip body 18 has a first portion 242 extending from the first end 240 and which is substantially cylindrical, a second portion 243 extending from the first portion 242 and which is substantially frustoconical, a third portion 244 extending from the widest part of the second portion 243 to the second end 241, and which is U.
    [0024] The first cylindrical portion 242 has an inner face 245 on which is formed, in recess, a cavity 246 which is configured to receive the protrusion 220 said upper of the spreader 9; so as to establish an electrical connection between the engaging body 18 and the spreader 9. In this cavity 246 are formed of small ribs 280.
    [0025] The first cylindrical portion 242 comprises holding members 247 projecting on its inner face 245 and configured to hold the conductive wires in position on the separator body 25 of the spreader 9. The first cylindrical portion 242 further has an edge 249. and 20 assembly notches 248 formed recessed in this edge 249. The second frustoconical portion 243 has an inner face 250 on which are recessed grooves 251 near an edge 252 and which are configured to cooperate with the bosses 217 of the separator body 25 of the spreader 9; so as to establish an electrical connection between the engaging body 18 and the spreader 9. The third U-shaped portion 244 is provided with two side walls 253 facing one another and a bottom wall 254 connecting the two side walls 253, these walls generally defining the internal space 30 of the engagement body 18. The third portion 244 has two grooves 277 formed in each side wall 253 and configured to receive lateral bosses 275 and 276 formed respectively on the separator body 25 and the extension body 26; so as to establish an electrical connection between the engaging body 18 and the spreader 9. The third portion 244 has two cavities 255 and 256 each formed recessed in the bottom wall 254, the side of the inner space 30, and which are configured to respectively receive the protuberances 222 and 223 of the spreader 9; so as to establish an electrical connection between the engaging body 18 and the spreader 9. In these cavities 255 and 256 are formed of small ribs 280. The third portion 244 comprises contact and positioning members 257 extending from the bottom wall 254 projecting into the internal space 30 and configured to bear on the respective bearing surfaces 227 of a respective positioning piece 223; so as to establish an electrical connection between the engagement body 18 and the spreader 9. The contact and positioning members 257 are formed on a shoulder 258 which comprises the bottom wall 254. The third portion 244 comprises contact pads 259, each formed on both the bottom wall 254 and the side walls 253, projecting into the internal space 30. These contact pads 259 are configured to cooperate with the notches 36 of the printed circuit 8 so as to establish an electrical connection between the ground plates 31 of this circuit 8 and the socket body 18. Two contact pads 259 are arranged astride the shoulder 258 and two other contact pads 259 are arranged between this shoulder 258 and the second end 241 of the engagement body 18. The third portion 244 comprises, on its bottom wall 254, a recessed portion 260 formed between the shoulder 258 and the second end 241 of the gripper body 18, as well as an elevation portion 261 formed between the recessed portion 260 and this second end 241. The side walls 253 of the third portion 244 each have an edge 263 and assembly notches 262 formed of recess in the respective edges 263.
    [0026] The assembly notches 248 and 262 here form connecting members of the grip body 18. The grip cover 19 is configured to be assembled with the grip body 18 and has a shape relatively similar to the grip body 18.
    [0027] The cap cover 19 has a first end 340 and a second end 341 opposite the first end 340. The cap cover 19 comprises a first portion 342 extending from the first end 340 and which is substantially cylindrical, a second portion 343 extending from the first portion 342 and which is substantially frustoconical, a third portion 344 extending from the widest portion of the second portion 343 to the second end 341, and which is substantially plane. The first cylindrical portion 342 has an inner face 345 on which is formed, in recess, a cavity 346 which is configured to receive a so-called protuberance 220 of the spreader 9; so as to establish an electrical connection between the cap cover 19 and the spreader 9. In this cavity 346 are formed of small ribs 380. The first cylindrical portion 342 comprises retaining members 347 projecting on its inner face 345 and configured to maintain the conductive wires in position on the separator body 25 of the spreader 9. The first cylindrical portion 342 further has an edge 349 and mounting studs 348 projecting therefrom 349, and which are configured to be received in the assembly notches 248 of the grip body 18; so as to establish an electrical connection between the cap cover 19 and the gripping body 18. The second frustoconical portion 343 has an inner face 350 on which are formed, in recess, grooves 351 near an edge 352, which grooves are configured to cooperate with the bosses 217 of the separator body 25 of the spreader 9; so as to establish an electrical connection between the cap cover 19 and the spreader 9.
    [0028] The third planar portion 344 has an inner face 370 in which are recessed two cavities 355 and 356 which are configured to respectively receive so-called lower protuberances of the spreader 9; so as to establish an electrical connection between the cap cover 19 and the spreader 9. In these cavities 355 and 356 are formed of small ribs 380. The third flat portion 344 comprises contact and positioning members 357 extending into protrusion of the inner face 370 and configured to abut on the respective bearing surfaces 227 of a respective positioning piece 223; so as to establish an electrical connection between the cap cover 19 and the spreader 9. The contact and positioning members 357 are formed straddling a shoulder 358 that includes the third flat portion 344. The third flat portion 344 comprises on its sides of the assembly pads 362 projecting from the inner face 370, and which are configured to be received in the assembly notches 262 of the socket body 18; so as to establish an electrical connection between the socket body 18 and the socket cover 19. The assembly pads 348 and 362 form here complementary assembly members 20 of the socket cover 19. The third flat portion 344 comprises in in addition to a recessed portion 360 formed between the shoulder 358 and the second end 341 of the cap cover 19, and an elevation portion 361 formed between the recessed portion 360 and the second end 341. We will now describe the method of assembling the plug 5 with reference to Figures 10 to 13. A similar method is of course applied to the plug 6. The pairs of son 11 to 14 at the end 3 of the cable 2 are fixed on the 9 to form a first connection subassembly (FIG. 10). The spreader 9 is placed in direct contact against the sheath 15 of the cable 2. The pairs of wires 11 to 14 are separated from each other, without crossing, by the separating body 25, and more precisely by the central wall 212 and the side walls 213, then taken to a respective molded body 231 of the extension body 26. Each wire of the pairs of wires 11 to 14 is introduced into the tunnel portion of a respective insertion space 236 of a contact system respective self-stripping 229 to the notches 225. Each conductive wire is thus brought into contact with a respective member 230 by perforation of the insulating sheath surrounding this wire by the respective teeth 232, then each wire is cut to length, between respective notch 225 and the output of the respective tunnel portion. A second subassembly formed of the printed circuit board 8 and contact pads 10 fixed thereto is here mounted on the first connection subassembly to form a first connection assembly (FIG. 11). More specifically, this second subassembly is partially introduced into the recess 27 of the spreader 9, by the first side 20 of the circuit 8 where the slot 38 is formed. The central wall 28 of the extension body 26 is thus introduced into the slot 38 until it abuts against the bottom of the slot 38. The central wall 28 and the slot 38 are configured so that the sides of the central wall 28 are guided by the wall defining the slot 38. The extension body 26 and the circuit 8 are configured so that the latter has its first and second faces 23 and 24 partially facing the respective internal faces of the self-stripping contact systems. 229 respective. The first and second faces 23 and 24 of the circuit 8 are further supported against the ribs 238 of the respective molded bodies 231 and the circuit 8 is guided by the latter. The input connection terminals 51 to 54 of the circuit 8 are in mechanical and electrical contact with the portions of the respective contact bases 291 protruding into the recess 27, thereby electrically connecting these input terminals 51 to 54 to the pairs of contacts. son 11 to 14.
    [0029] The first connection assembly is then partially introduced into the internal space 30 of the gripping body 18, from top to bottom, that is to say from the edge 262 of the side walls 253 towards the bottom wall 254. of the third portion 244 of this grip body 18.
    [0030] The lower protuberances (not shown) of the spreader 9 projecting from the lower ends of its central walls 212 and 28 are partially received in the cavities 246, 255 and 256 of the engagement body 18; so as to establish an electrical contact between the spreader 9 and the grip body 18.
    [0031] The first connection assembly is positioned and held in the grip body 18 by the cooperation of the lower protuberances with the ribs 280 formed in these cavities 246, 255 and 256 and with the holding members 347 of the grip body 18. The notches 36 formed on each of the third and fourth sides 33 and 34 of the circuit 8 are mounted on the contact pads 259 of the socket body 18; so as to establish an electrical contact between the circuit 8 and the engaging body 18. The grooves 251 of the second frustoconical portion 243 cooperate with the lateral bosses 217 of the separator body 25 of the spreader 9; so as to establish an electrical contact between the spreader 9 and the gripping body 18. The grooves 277 of the third portion 244 cooperate with the lateral bosses 275 and 276 of the separator body 25 and the extension body 26 of the expander 9; so as to establish an electrical contact between the spreader 9 and the gripping body 18. The contact and positioning members 257 of the third portion 244 abut on the respective bearing surfaces 227 of the positioning members 223; so as to establish an electrical contact between the spreader 9 and the grip body 18.
    [0032] It will be observed that the contact body 16 is normally mounted on the contact pads 10 and partially on the circuit 8 before insertion thereof into the socket body 18.
    [0033] The contact body 16 is configured to rest on the recessed portion 260 and on the elevation portion 261 that includes the third portion 244 of the grip body 18. Thus, the first portion 242 of the grip body 18 partially receives a first part of the central wall 212 and the respective first portions 214 of the side walls 213 of the separator body 25. The second portion 243 of the engagement body 18 partially receives a second portion of the central wall 212 and the respective second portions 215 of these side walls. 213.
    [0034] The third portion 244 of the socket body 18 completely receives the spreader 9 and the second connection subassembly formed of the printed circuit 8 and the contact pads 10, as well as partially the contact body 16. The third portion 244 is configured so that the contact pads 10 are accessible (Figure 13). The plug cover 19 is mounted on the socket body 18, the mounting pads 348 and 362 of the socket cover 19 being received in the assembly notches 248 and 262 of the socket body 18; so as to make electrical contact between the jack cover 19 and the jack body 18.
    [0035] The upper protuberances 220, 221 and 222 of the spreader 9 protruding from the upper ends of its central walls 212 and 28 are partially received in the respective cavities 346, 356 and 355 of the cap cover 19; so as to establish an electrical contact between the spreader 9 and the plug cover 19.
    [0036] The grooves 351 of the second frustoconical portion 343 cooperate with the bosses 217 of the separator body 25 of the spreader 9; so as to establish an electrical contact between the spreader 9 and the cap cover 19. The contact and positioning members 357 of the third portion 344 abut on the respective bearing surfaces 227 of the positioning parts 223; so as to establish an electrical contact between the spreader 9 and the plug cover 19.
    [0037] It will be observed that the ratchet 17 is normally mounted on the circuit 8 prior to assembly of the socket cover 19 on the socket body 18. The ratchet member 17 is configured so that the recessed portion 360 and the socket portion in elevation 361 that includes the third portion 344 of the cap cover 19 are based on this latching member 17. The deformable tab of the latching piece 17 is configured to remain outside the metal casing formed of the gripping body 18 and the cap cover 19. Thus, the first portion 342 of the cap cover 19 partially covers the first portion of the central wall 212 and the respective first portions 214 of the side walls 213 of the separator body 25. The second portion 343 of the hood The socket portion 19 partially covers the second portion of the central wall 212 and the respective second portions 215 of these side walls 213. The third portion 344 of the jack cover 1 9 fully covers the spreader 9 and the second connection subassembly formed of the printed circuit 8 and the contact pads 10, as well as partially the ratchet 17. The sleeve 22 is then mounted on the cable 2 and covers a major part of the metal casing, the deformable tongue 29 of the sleeve 22 bearing on the deformable tab of the latching piece 17.
    [0038] The sleeve 22 surrounds the engagement body 18 and the engagement cap 19 from their respective first end 240, 340 to their respective shoulder 258, 358 formed in their respective third portion 244, 344; which corresponds generally to the location of the second end 211 of the spreader 9 in the metal casing.
    [0039] Figure 14 schematically illustrates a cross-section of the assembled socket 5.
    [0040] The ground plates 31 of the circuit 8 are electrically connected to the socket body 18 via the notches 36 and the contact pads 259. The spreader 9 is electrically connected to the body and the socket cover 18 and 19 via cavities 246, 255, 256, 346, 355 and 356 and upper and lower protuberances, through the lateral bosses 217, 275 and 276 and grooves 251, 351 and 277, and through the surfaces of FIGS. support 227 and contact and positioning members 257 and 357.
    [0041] The bodies and socket cover 18 and 19 are electrically connected to each other via their respective edges 249, 252, 263, 342 and 352 and also to the assembly pads 348 and 362 and to the assembly notches 248 and 262. Thus, both the socket body 18, the socket cover 19, the ground plates 31 of the circuit 8 and the central shielding wall 28 are electrically connected together to a reference potential, and are configured to form cages. individual electrical and / or magnetic shielding formed around each pair of wires 11 to 14, also called "Faraday cages"; while each conductor wire is electrically isolated from the others (including that of the same pair) thanks to the respective molded body 231 of the respective self-stripping contacting system 229 in which each conductive wire is received. In non-illustrated variants: the printed circuit does not have three substrate layers and four copper layers but for example two layers of substrates and three layers of copper, of which only one forms a ground plane sandwiched between the two substrate layers; the printed circuit has path tracks that are distinct from those illustrated in the figures and for example, several or even all the tracks run discontinuously or continuously on both sides of the circuit; - The printed circuit has more or less connection vias and / or they are arranged in an arrangement different from that illustrated in Figures 3 and 4; the printed circuit has a slit more or less long provided that a major part of the central wall of the extension body of the spreader can be introduced therein; the ground plate or plates are also electrically connected to the central wall of the extension body of the spreader via the point of contact in the slot of the circuit, or even via the contact pad formed in the circuit at the end of the slot; - The printed circuit has more or less notches on its third and fourth sides; and / or - the latching piece is mounted on the printed circuit before the insertion of the latter into the socket body.
    [0042] It will be recalled more generally that the invention is not limited to the examples described and shown.
    权利要求:
    Claims (15)
    [0001]
    REVENDICATIONS1. Male RJ45 plug for an RJ45 5 electrical connection cord having a cable (2) having four pairs of lead wires (11-14) configured to be electrically connected to said plug (5, 6), which includes a printed circuit ( 8) having a first face (23) and a second face (24) opposite to said first face (23), and a plurality of electrical pathways (41-46) to which said pairs of conductive wires (11- 14) are configured to be electrically connected, a blooming system (9) mounted on said printed circuit (8) and configured to electrically separate, electrically isolate and shield said pairs of conductive wires (11-14) from each other; said plug (5, 6) being characterized in that: said printed circuit (8) comprises at least one ground plate (31) sandwiched between its first and second faces (23, 24) and a central slot therethrough (38) extending longitudinally in said printed circuit (8) and opening on one side (20) of said printed circuit (8), said central through slot (38) being configured to traverse both said first and second faces (23, 24) and said at least one electric ground plate (31); said expansion system (9) comprises a separating body (25) and an extension body (26) projecting from said separating body (25), said extension body (26) being provided with a recess (27). ) configured to receive said printed circuit (8) and a central electrical and / or magnetic shielding wall (28) dividing said recess (27) into two portions and being configured to fit at least substantially into said through central slot (38) of said printed circuit (8); and said central electrical and / or magnetic shielding wall (28) and said at least one ground plate (31) of said printed circuit (8) are configured to be electrically interconnected to thereby form an electrical and / or magnetic shielding barrier between each pair of lead wires (11-14).
    [0002]
    2. male RJ45 plug according to claim 1, characterized in that it further comprises a metal casing configured to at least partially envelop said printed circuit (8), and said central wall of electrical and / or magnetic shielding (28), said at least one ground plate (31) and said metal shell are configured to be electrically interconnected and thereby substantially form a single electrical and / or magnetic shielding cage around each pair of lead wires (11-14).
    [0003]
    3. Male RJ45 plug according to claim 2, characterized in that said central shielding wall and / or magnetic (28) is provided with an upper end and a lower end opposite said upper end, and from at least one protuberance (221, 222) projecting from at least one said upper and / or lower end and configured to be at least partially received in at least one cavity (255, 256, 355, 356) formed in said metal casing .
    [0004]
    4. Male RJ45 plug according to one of claims 2 and 3, characterized in that it further comprises contact pads (10) configured to be fixed on said printed circuit (8) and a contact body (16) configured to be mounted on said contact pads (10), and said metal shell is provided with a recessed portion (360) and / or an elevation portion (361) against which said contact body (16) is positioned. ).
    [0005]
    5. Male RJ45 plug according to one of claims 2 and 3, characterized in that it further comprises a detent piece (17) configured to immobilize said plug (5,
    [0006]
    6) in a receptacle in which said plug (5, 6) is configured to be mounted, and said metal casing is provided with a recess portion (260) and / or an elevation portion (261) against which is positioned said snap piece (17). 6. Male RJ45 plug according to any one of claims 2 to 5, characterized in that said metal casing is formed in two parts, respectively a socket body (18) configured to receive said printed circuit (8) and said system of and a plug cover (19) configured to be mounted on said socket body (18) and to cover said printed circuit board (8) and said expansion system (9).
    [0007]
    7. Male RJ45 plug according to any one of claims 2 to 6, characterized in that said printed circuit (8) is provided with at least one notch (36) provided on at least one side (33, 34) of said circuit printed (8) and said metal casing is provided with at least one contact pad (259) configured to cooperate with said at least one notch (36) so as to establish an electrical connection between said at least one ground plate (31). ) and said metal casing.
    [0008]
    8. Male RJ45 plug according to any one of claims 2 to 7, characterized in that said expansion system (9) further comprises self-stripping contact systems (229) configured to establish an electrical connection between said pairs conductor wires (11-14) and said electrical pathways (41-46) of said printed circuit (8), each self-stripping contacting system (229) being provided with two self-stripping contact members (230) and a molded body (231) configured to at least partially receive and electrically isolate said self-stripping contact members (230) from each other, said extension body (26) of said expansion system (9); ) comprises two positioning pieces (223) mounted on said central wall (28) on either side of said recess (27), and each molded body (231) is fixed both on a said positioning piece (223) respective ones and on said separating body (25).
    [0009]
    9. Male RJ45 plug according to claim 8, characterized in that at least one said positioning piece (223) has an outer face (228) on which is formed at least one bearing surface (227) and said metal casing is provided with at least one contact and positioning member (257, 357) configured to bear on said at least one bearing surface (227); and / or at least one said positioning piece (223) has lateral bosses (276) and said metal envelope has at least one inner face (250) provided with grooves (277) which are configured to cooperate with said lateral bosses (276). ). 3016 740 30
    [0010]
    10. RJ45 plug according to one of claims 8 and 9, characterized in that each molded body (231) is provided with a bottom face (237) facing said recess (27), three longitudinal walls (235). ) located at a distance from each other and extending opposite said bottom face (237), two insertion spaces (236) each formed between two successive walls (235) and each extending transversely in said molded body (231) to open into said bottom face (237), and each self-stripping contact member (230) is introduced into a respective said insertion space (236) and protrudes on either side of this space. 10
    [0011]
    11. Male RJ45 socket according to any one of claims 8 to 10, characterized in that each molded body (231) is provided with a bottom face (237) and at least one rib (238) formed on said bottom face (237) projecting into said recess (27) in said extension body (26), said at least one rib (238) being configured to guide said printed circuit (8) in said recess (27) .
    [0012]
    12. Male RJ45 plug according to any one of claims 8 to 11, characterized in that said separator body (25) is provided with first attachment tabs (218) extending towards a said respective positioning piece (223), which is provided with at least one second hook tab (226) extending opposite a said respective first hook tab (218), and each molded body (231) is provided with two shaped ends clamps respectively mounted on a said first bracket (218) and on a said second bracket (226) facing the latter. 25
    [0013]
    13. Male RJ45 socket according to any one of claims 2 to 12, characterized in that said separating body (25) comprises a cross-shaped metal base having a central wall (212) and two side walls (213) arranged from and other of the central wall (212), said central wall (212) having an upper end and a lower end opposite said upper end, and at least one protuberance (220) projecting from at least one of said upper and / or lower end andconfigurée to be at least partially received in at least one cavity (246, 255, 346, 355) formed in said metal casing.
    [0014]
    14. Male RJ45 socket according to any one of claims 2 to 13, characterized in that said separating body (25) comprises a cross-shaped metal base having a central wall (212) and two side walls (213) arranged from and other of the central wall (212) and each having a portion (215) provided with lateral bosses (217, 275), and said metal envelope has at least one internal face (250, 350) provided with grooves (251, 277, 351) which are configured to cooperate with said side bosses (217, 275).
    [0015]
    15. RJ45 connecting cord configured for interconnecting electronic and / or computer equipment, comprising an electric cable (2) having a first end (3) and a second end (4) opposite the first end (3), an insulating sheath (15) and four pairs of conductive wires (11-14) wrapped in said sheath (15); and at least one male RJ45 plug (5, 6) according to any one of claims 1 to 14, mounted on at least one said first end (3) and / or second end (4) of said cable (2) .20
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    同族专利:
    公开号 | 公开日
    EP2897234A1|2015-07-22|
    CN104795699A|2015-07-22|
    US20150207283A1|2015-07-23|
    CN104795699B|2018-09-25|
    FR3016740B1|2016-02-12|
    EP2897234B1|2016-02-17|
    US9419393B2|2016-08-16|
    引用文献:
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    EP3329560A4|2015-07-29|2019-02-27|CommScope, Inc. of North Carolina|Low crosstalk printed circuit board based communications plugs and patch cords including such plugs|
    CN109861040B|2015-08-07|2021-03-12|泛达公司|RJ45 plug|
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    US10530106B2|2018-01-31|2020-01-07|Bel FuseLimited|Modular plug connector with multilayer PCB for very high speed applications|
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    法律状态:
    2015-01-28| PLFP| Fee payment|Year of fee payment: 2 |
    2016-01-28| PLFP| Fee payment|Year of fee payment: 3 |
    2017-10-27| ST| Notification of lapse|Effective date: 20170929 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1450403A|FR3016740B1|2014-01-17|2014-01-17|MALE RJ45 SOCKET FOR RJ45 ELECTRICAL CONNECTION CORD|FR1450403A| FR3016740B1|2014-01-17|2014-01-17|MALE RJ45 SOCKET FOR RJ45 ELECTRICAL CONNECTION CORD|
    CN201410759115.9A| CN104795699B|2014-01-17|2014-12-11|RJ45 male plugs for RJ45 electric connection lines|
    EP14198337.9A| EP2897234B1|2014-01-17|2014-12-16|Male RJ45 plug for RJ45 electrical connection cord|
    US14/573,169| US9419393B2|2014-01-17|2014-12-17|Male RJ45 connector for RJ45 electrical connection cord|
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