CN201498813U - electrical connector - Google Patents

Abstract

An electrical connector comprises a signal processing module. The signal processing module comprises a base body and a coil module arranged inside the base body, the base body comprises lateral walls and a holding space encircled by the lateral walls, the coil module is arranged inside the holding space and forms a filter circuit, the filter circuit comprises a signal passage and a transformer arranged in the signal passage, and only one transformer is arranged in at least one signal passage. The electrical connector is simple in structure and low in cost.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, particularly relates to the electric connector with signal processing modular structure.

[technical background]

The prior art relevant with present patent application sees also No. the 1202278th, disclosed Chinese patent on December 16th, 1998, the prior art has disclosed the electric connector (Modular Jack) in a kind of 10/100Base-T of being applied to Ethernet, please refer to shown in the specification and accompanying drawing of the prior art, this electric connector (10) comprises an insulation shell (14), an insulating end stroma (16), be fixed to eight butt joint terminals (121～128) of terminal base and internal circuit board module (13a), a laminated body, capacitor module (15).Internal circuit board module (13a) comprises a circuit board (13) that is provided with conductive path, is soldered to the pin terminals (54) and the toroidal helical coil (70a of conductive path, 70b, 72a, 72b), eight butt joint terminals all are soldered to circuit board, and this internal circuit board module (13a) forms a filter circuit to eliminate electromagnetic interference (EMI) with laminated body, capacitor module (15).This filter circuit comprises four passages, comprising two signalling channel (P1 ﹠amp; P2, P7 ﹠amp; P8) in order to transmission signals, two ground connection passage (P3 ﹠amp; P4, P5 ﹠amp; P6).Two ground connection passages are connected with butt joint terminal (123～126), and directly by resistance (78) and electric capacity (15) ground connection.Two signalling channels are connected with butt joint terminal (121,122,127,128), these two signalling channels are connected to pin terminals (54) by choke (72) and transformer (70), and the centre tap of a coil (71) of transformer is by resistance (78) and electric capacity (15) ground connection.Toroidal helical coil (70a, 70b, 72a, 72b) choke (72) and transformer (70) for forming filter circuit, a coil (71) of transformer is wound to the butt joint terminal.Other parts of filter circuit are then realized by the conductive path of circuit board.

The filter circuit of the internal circuit board module of the electric connector that above prior art disclosed comprises two signalling channels and two ground connection passages, two signalling channels are connected with butt joint terminal (121,122,127,128), these two signalling channels are connected to pin terminals (54) by choke (72) and transformer (70), the ground connection passage is directly by resistance (78) and electric capacity (15) ground connection, this electric connector structure complexity, design difficulty is bigger, cost is higher, thereby is necessary to design a kind of simple in structure, electric connector that cost is low.

[utility model content]

It is a kind of simple in structure that technical problem to be solved in the utility model is to provide, the electric connector that cost is low.

For solving above technical problem, the utility model adopts following technical scheme: a kind of electric connector, it comprises a signal processing module, this signal processing module comprises a pedestal and is contained in the interior coil module of pedestal, pedestal comprises the accommodation space that sidewall and sidewall surround, and the coil module is contained in the accommodation space, and this coil module forms a filter circuit, this filter circuit comprises signalling channel and is arranged at the interior transformer of signalling channel, only is provided with a transformer at least one signalling channel.

With respect to prior art, in the filter circuit of the signal processing module of the utility model electric connector, each signalling channel only is provided with a transformer, and simple in structure, cost is low.

[description of drawings]

Fig. 1 is the stereogram that meets electric connector of the present utility model.

Fig. 2 is the three-dimensional exploded view of electric connector shown in Figure 1.

Fig. 3 is the circuit diagram of electric connector shown in Figure 1.

[embodiment]

See also Fig. 1 and shown in Figure 2, the utility model electric connector 100 comprises an insulating body 2, be mounted to the signal processing module 4 of insulating body 2 and be coated on shielding casing 6 on insulating body 2 and the signal processing module 4.

See also Fig. 1 and shown in Figure 2, insulating body 2 comprises an interface 21, perpendicular to the roof 22 of interface 21 and the diapire 23 of parallel and roof 22, and roof 22 surrounds receiving space 24 with diapire 23.Diapire 23 is provided with an opening 25 in order to match with signal processing module 4.

See also Fig. 2 and shown in Figure 3, signal processing module 4 comprises a pedestal 41, be fixed in butt joint terminal 42 on the pedestal 41, pin terminals 43 and splicing ear 44 and be contained in coil module 46 in the pedestal 41.Pedestal 41 comprise the antetheca 411 that is parallel to insulating body 2 interfaces 21 and rear wall 412, perpendicular to the sidewall 413 of antetheca 411 and perpendicular to antetheca 411 and with antetheca 411 integrated hyoplastrons 415.Antetheca 411, rear wall 412 surround an accommodation space 414 with sidewall 413.Rear wall 412 is provided with groove 416 near the inwall of accommodation space 414.Butt joint terminal 42 is the network connector terminal.This network connector terminal 42 comprises in order to the docking section 421 of matching with butt connector (not shown), is fixed in the holding parts (not shown) in hyoplastron 415 and pedestal 41 antethecas 411 and extends the weld part 422 of pedestal 41 antethecas 411 from holding parts (not shown) end.Pin terminals 43 is fixed on the rear wall 412 of pedestal 41, this pin terminals 43 comprises the holding parts (not shown) that is fixed in the rear wall 412, extends the weld part 431 of rear wall 412 and extend the installation portion 432 of rear wall 412 from the other end of holding parts (not shown) from holding parts (not shown) end, and this installation portion 432 is in order to be soldered to external circuit.Splicing ear 44 comprises the holding parts (not shown) that is fixed on pedestal 41 sidewalls 413, extends the weld part 441 of sidewall 413 and extend the installation portion 442 of sidewall 413 from holding parts (not shown) other end from holding parts (not shown) end, and this installation portion 442 is in order to be soldered to external circuit.Coil module 46 constitutes a filter circuit, and this filter circuit comprises four signalling channels, and these four signalling channels are all identical, is that example describes with one of them signalling channel therefore.Among three contact J1, the J2 and A of signalling channel one end, passage contact J1 and J2 are connected to the welding ends 422 of network connector terminal 42, passage contact A is connected to the welding ends 441 of splicing ear 44, and three contact P1, P2 of the signalling channel other end and P3 all are connected to the welding ends 431 of pin terminals 43.Only be provided with a transformer 45 in each signalling channel.Transformer 45 comprises magnetic core 451 and be wound in primary coil 452 and secondary coil 453 (for making illustrative simplicity Therefore, omited coil sections, only being illustrated) on the magnetic core 451 in Fig. 2.Primary coil 452 comprises two links 454 and a centre cap 455, and the link 454 of this primary coil 452 is soldered to the weld part 422 of network connector terminal 42, and the centre cap 455 of primary coil 452 is soldered to the welding ends 441 of splicing ear 44.Secondary coil 453 comprises two links 456 and a centre cap 457, and this link 456 and centre cap 457 all are soldered to the welding ends 431 of pin terminals 43.

When assembling this electric connector 100, earlier with butt end submodule group 42, pin terminals 43 and splicing ear 44 are fixed on the pedestal 41 of signal processing module 4, coil module 46 is contained in the accommodation space 414 of pedestal 41, the link 454 of the primary coil 452 of transformer 45 is soldered to the weld part 422 of network connector terminal 42 at this moment, the centre cap 455 of primary coil 452 is soldered to the welding ends 41 of splicing ear 44, the welding ends 431 that the link 456 and the centre cap 457 of secondary coil 453 all is soldered to pin terminals 43, at this moment, the groove 416 of pedestal 41 is spaced from each other the winding section 456 of secondary coil 453.The signal processing module 4 that assembles is mounted to insulating body 2, and at this moment, network connector terminal 42 is contained in the receiving space 24 of insulating body 2, and hyoplastron 413 matches with the opening 25 of diapire 23 and handles module 4 in order to fixed signal.At last, shielding casing 6 is coated on insulating body 2 and the signal processing module 4.

In this electric connector 100, coil module 46 is contained in the accommodation space 414 of pedestal 41, and this coil module 46 constitutes a filter circuit, and this filter circuit comprises four signalling channels, only is provided with a transformer 45 in each signalling channel, and simple in structure, cost is low.

Claims (5)

1. An electrical connector, which includes a signal processing module, the signal processing module includes a base and a coil module accommodated in the base, the base includes a side wall and an accommodating space surrounded by the side wall , the coil module is accommodated in the accommodation space, the coil module forms a filter circuit, the filter circuit includes a signal channel and a transformer arranged in the signal channel, characterized in that: There is only one transformer in the at least one signal channel, the signal processing module includes butt terminals and pin terminals fixed on the base, the transformer includes a magnetic core accommodated in the accommodation space and a magnetic core wound on the magnetic core. A primary coil on the core and a secondary coil, the primary coil includes two connection ends, the connection ends of the primary coil are welded to the butt terminals, the secondary coil includes two connection ends, the connection ends of the secondary coil are welded to pin terminals. 2. The electrical connector according to claim 1, wherein the signal processing module further includes connection terminals fixed on the side wall of the base body, the primary coil of the transformer includes a center tap, and the primary coil A center tap is soldered to the connection terminal, and the secondary coil includes a center tap soldered to the pin terminal. 3. The electrical connector according to claim 2, wherein the seat body includes a front wall perpendicular to the side wall of the seat body and a rear wall parallel to the front wall of the seat body, and the pin terminals are fixed on The rear wall of the seat body, the connection terminal is fixed on the side wall of the seat body. 4. The electrical connector according to claim 3, wherein the base body includes a tongue plate perpendicular to the front wall, the tongue plate is integrally formed with the front wall, and the butt terminals of the signal processing mold are fixed on Tongue and anterior wall. 5. The electrical connector according to claim 3, wherein a groove is provided on the wall facing the accommodating space on the rear wall of the seat body, and the groove is used to separate the connection end of the secondary coil and the center tap .

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