TWM552685U - Electrical connector assembly and its adapting circuit board - Google Patents

Description

Electrical connector assembly and its adapter board

The present invention relates to an electrical connector assembly and an adapter circuit board thereof, and more particularly to an electrical connector assembly for transmitting data at high speed, having an electrical connector and a transit circuit board, and the transit circuit board can be powered The device is connected to a cable.

Cables are required to be connected to each other to transmit signals between electronic devices or electronic devices. Due to the development of electronic technology, the requirements for signal transmission are getting faster and faster. Both ends of the cable typically have an electrical connector for plugging into an electronic device or electronic device. In order to facilitate the connection of the electrical connector to the intermediately transmitted conductor, a transit circuit card or a paddle card is usually provided. The geometry of the cable is typically arranged to an impedance profile and includes a shielded metal mesh with a plurality of wires of the cable being unrolled to be soldered to the contact pads at the trailing edge of the transit circuit board. Since the shielded metal mesh is removed between the transfer board and the wires of the cable, crosstalk is easily generated when the signal is transmitted at a high speed. Therefore, how to design a switching circuit card to reduce crosstalk is an improvement problem in this technical field. In addition, the number of terminals of the electrical connector is increasing, and how to integrate the circuit card more easily and firmly is also a problem to be faced.

The present embodiment is directed to an electrical connector assembly and its adapter circuit board to solve the above problems.

In order to achieve the above, an electrical connection provided by one of the embodiments of the present creation The connector assembly includes an electrical connector and a transit circuit board. The electrical connector has a plurality of terminals configured as a first row of terminals and a second row of terminals, the plurality of terminals extending to a rear end of the electrical connector; the transit circuit board having a body and a plurality of Contact pad, first set of wire pads, second set of wire pads and a ground strip pad. The body has a first surface, a second surface, a front end edge, and a rear end edge, the second surface is opposite to the first surface; the plurality of contact pads are disposed on the body and Adjacent to the front end edge, the contact pad is correspondingly connected to the plurality of terminals; the first set of wire bonding pads are disposed on the first surface; and the second set of wire bonding pads are disposed on the first a pair of recessed positioning portions respectively located at two sides of the transit circuit board and adjacent to the rear end edge; the ground strap pad spanning the transit circuit board, two of the ground strap pads The ends extend to the surfaces of the pair of recessed positioning portions, respectively.

In order to solve the above technical problem, the present invention also provides a transit circuit board having a body, a plurality of contact pads, a first set of wire pads, a second set of wire pads, and a ground strip pad . The body has a first surface, a second surface, a front end edge, and a rear end edge, the second surface is opposite to the first surface; the plurality of contact pads are disposed on the body and Adjacent to the front end edge; the first set of wire pads are disposed on the first surface; the second set of wire pads are disposed on the second surface; a pair of recessed positioning portions are respectively located in the transfer The two sides of the circuit board are adjacent to the rear end edge; the ground strip-shaped pad spans the transit circuit board, and two ends of the ground strip-shaped pad respectively extend to a surface of the pair of the recess positioning portions.

The beneficial effects of the present invention may be that the electrical connector assembly and the adapter circuit board provided by the embodiment of the present invention enable the electrical connector assembly to be stably assembled to the transit circuit board, and the design of the transit circuit board can be powered. The components are easily and reliably grounded and shielded.

In order to further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings are only for reference and explanation, and are not intended to limit the creation.

100‧‧‧Connector assembly

10‧‧‧Electrical connector

12‧‧‧ Terminal

12a‧‧‧first row of terminals

12b‧‧‧second row of terminals

14‧‧‧Fixed feet

20‧‧‧ Cable

21‧‧‧First set of wires

22‧‧‧Second set of wires

30, 30'‧‧‧Transfer board

30B‧‧‧ Ontology

301‧‧‧ front edge

302‧‧‧ rear edge

303‧‧‧ recessed positioning department

31‧‧‧ first surface

32‧‧‧second surface

33‧‧‧Contact pads

33a‧‧‧first row of contact pads

33b‧‧‧Second row of contact pads

35‧‧‧First set of wire pads

35g‧‧‧Grounding wire pad

35v‧‧‧Integrated wire pad

36‧‧‧Second set of wire pads

36R‧‧‧ receiving differential signal pin

36T‧‧‧Transfer differential signal pin

37‧‧‧ wafer area

38‧‧‧ Grounding strip

39‧‧‧Positioning holes

w‧‧‧Width

D‧‧‧ spacing

1 is a perspective view of the electrical connector assembly and its adapter circuit board of the present invention.

2 is a partial assembled view of the electrical connector assembly of the present invention connected to a cable to form a connecting wire assembly.

Figure 3 is a top plan view of the electrical connector assembly of the present invention.

Figure 4 is a bottom plan view of the electrical connector assembly of the present invention.

Figure 5 is a combination diagram of the electrical connector assembly of the present invention applied to a connector assembly.

Figure 6 is a top plan view of another embodiment of the transit circuit board of the present invention.

Figure 7 is a bottom plan view of another embodiment of the adapter circuit board of the present invention.

[First Embodiment]

Please refer to FIG. 1 , which is a perspective view of the electrical connector assembly and the adapter circuit board thereof. The electrical connector assembly of the present invention includes an electrical connector 10 and an adapter circuit board 30. As shown in FIG. 2, the inventive electrical connector assembly can be coupled to a cable 20 to form a connector assembly 100. The cable 20 has a plurality of wires (21, 22) configured as a first set of wires 21 and a second set of wires 22.

The electrical connector 10 has a plurality of terminals 12 configured as a first row of terminals 12a and a second row of terminals 12b, the plurality of terminals 12 extending to a rear end thereof. This embodiment is described by taking the TYPE-C of USB (Universal Sequence Bus) as an example, but is not limited thereto.

Please refer to FIG. 3 and FIG. 4 for a top view and a bottom view of the electrical connector assembly of the present invention. A transit circuit board 30, or paddle card, is located between the electrical connector 10 and the cable 30. The adapter circuit board 30 has a body 30B. The body 30B has a first surface 31, a second surface 32 opposite to the first surface 31, a front end edge 301 adjacent to the electrical connector 10, and a body. Close to the rear end edge 302 of the cable 20. The transit circuit board 30 has a plurality of contact pads 33, a first set of wire pads 35 disposed on the first surface 31, and a second set of wires disposed on the second surface 32. The pad 36, the pair of recess positioning portions 303, and a ground strap pad 38. The contact pads 33 are adjacent to the front end edge 301. The contact pads 33 are electrically connected to the first set of wire pads 35 and the second set of wire pads 36, respectively. The pair of recess positioning portions 303 are respectively located at both side edges of the transit circuit board 30 and near the rear end edge 302. A ground bar 38 spans the transit circuit board 30, and both ends of the ground strip pad 38 extend to the surfaces of the pair of recess positioning portions 303, respectively.

The first set of wires 21 of the cable 20 are correspondingly connected to the first set of wire pads 35, and the second set of wires 22 of the cable 20 are correspondingly connected to the second set of wire pads 36. The plurality of terminals 12 are correspondingly connected to the contact pads 33.

A feature of the present embodiment is that the electrical connector 10 is a surface-mounting technology (also referred to as SMT, Surface-mount technology), wherein the ends of the first row of terminals 12a and the second row of terminals 12b are located at the same The plurality of contact pads 33 are disposed on the first surface 31 of the transit circuit board 30. Compared with the splint type welding method, the embodiment contributes to the improvement of the yield and the productivity.

The plurality of contact pads 33 of the present embodiment are configured as a first row of contact pads 33a and a second row of contact pads 33a. The pins of the first row of terminals 12a are correspondingly electrically connected to the first row of contact pads 33a, and the pins of the second row of terminals 12b are correspondingly electrically connected to the second row of contact pads 33b. The first row of contact pads 33a and the second row of contact pads 33b are interlaced and not aligned. In this embodiment, the pin position of the terminal 12 is in a misaligned design of two rows, which is beneficial for verifying the soldering condition of the terminal.

The adapter circuit board 30 further has a pair of positioning holes 39, wherein the electrical connector 10 has a pair of fixing legs 14, and the pair of fixing legs 14 are correspondingly inserted into the pair of positioning holes 39, wherein The pair of positioning holes 39 are respectively located on both sides of the second row of contact pads 33b. The fixing legs 14 can stably fix the electrical connector 10 to the transit circuit board 30.

Another feature of this embodiment is that the ground strap pad 38 spans the second surface 32 of the patch panel 30 in a direction parallel to the trailing edge 302. In addition, both ends of the ground strap pad 38 extend to the pair of recess positioning portions 303, respectively. The surface extends partially to the first surface 31 of the transit circuit board 30. The recess positioning portion 303 of the present embodiment has a U shape and is recessed inward by the side edge of the adapter circuit board 30, wherein the width of the ground strap pad 38 is substantially equal to the maximum width of the recess positioning portion 303. The grounding strip pad 38 of the present invention facilitates the grounding of the wires of the cable 20, and may also be connected to a shielding element (not shown) outside the cable 20 to provide a shielding function.

In addition, the first set of wire pads 35 are disposed on the first surface 31 of the adapter circuit board 30 and located between the pair of recess positioning portions 303, and the second group of wire pads 36 are provided with the adapter circuit board. The second surface 32 of 30. The first set of wire bonding pads 35 includes a grounding wire bonding pad 35g adjacent to one of the recessed positioning portions 303 and connected to the grounding strip pad 38. As shown in FIG. 3, the electrical connector 10 of the present embodiment takes the pin of the USB 3.1 Type-C standard as an example, and the remaining first set of wire pads 35 are Vconn (power supply) and CC respectively from top to bottom. Configuration channel, configuration channel), Vcc, Vcc (plug configuration detection), SBU2 (Side Band Use, sideband use), D+, D- (USB 2.0 differential pair), SBU1 (Side Band Use) . The width of the grounding wire pad 35g of this embodiment is about twice the width of the other general wire bonding pads 35.

The first set of wire pads 35 includes an integrated wire pad 35v, and the integrated wire pad 35v includes two Vcc pins. The width of the integrated wire pad 35v is equal to twice the width (2*w) of the other wire pads (for example, CC) plus the spacing (d) between two adjacent wire pads.

The second set of wire bonding pads 38 correspond to the signal pins of the plurality of terminals 12 of the electrical connector 10, including two pairs of receiving differential signal pins (RX+, RX-) 36R and two pairs of differential signaling pins. Bit (TX+, TX-) 36T, the two pairs of differential signal pins (TX+, TX-) 36T are crossed with the two pairs of differential signal pins (RX+, RX-) 36R, and the second set of wire bonding Pads 38 are arranged in parallel with the ground strap pad 38 and are disposed with the ground strap pad 38 on the second surface 32, thereby facilitating the connection of the ground to the shield.

Please refer to FIG. 5, which is a combination diagram of the electrical connector assembly of the present invention applied to a connecting wire assembly. Each end of the cable assembly has an electrical connector assembly that includes an electrical connector 10 and an adapter circuit board 30. Cable 20 connects two electrical connector assemblies.

[Second embodiment]

Please refer to FIG. 6 and FIG. 7 for a top view and a bottom view of a second embodiment of the transit circuit board of the present invention. The difference between this embodiment and the above embodiment is that the first surface 31 of the adapter circuit board 30' is provided with a wafer area 37 for connecting an identification chip (not shown) for the electronic device to recognize the inserted connection line. Component 100. The two sides of the wafer area 37 are provided with resistors (not shown).

In summary, the beneficial effects of the present invention may be that the electrical connector assembly and the adapter circuit board provided by the embodiment of the present invention enable the electrical connector assembly 10 to be stably assembled to the transit circuit board 30 and transferred. The design of the circuit board 30 allows the power supply connector assembly to easily and reliably achieve grounding and shielding.

The above description is only a preferred and feasible embodiment of the present invention, and thus does not limit the scope of the patent of the present invention. Therefore, any equivalent technical changes made by using the present specification and the contents of the schema are included in the scope of protection of the present creation. .

10‧‧‧Electrical connector

12‧‧‧ Terminal

12a‧‧‧first row of terminals

12b‧‧‧second row of terminals

14‧‧‧Fixed feet

30‧‧‧Transfer board

30B‧‧‧ Ontology

302‧‧‧ rear edge

303‧‧‧ recessed positioning department

31‧‧‧ first surface

32‧‧‧second surface

33‧‧‧Contact pads

33a‧‧‧first row of contact pads

33b‧‧‧Second row of contact pads

35‧‧‧First set of wire pads

38‧‧‧ Grounding strip

39‧‧‧Positioning holes

Claims (10)

An electrical connector assembly comprising: an electrical connector having a plurality of terminals configured as a first row of terminals and a second row of terminals, the plurality of terminals extending to a rear end of the electrical connector; and a switch The circuit board has: a body having a first surface, a second surface, a front end edge, and a rear end edge, the second surface being opposite to the first surface; a plurality of contact pads, Provided on the body and adjacent to the front end edge; the contact pad is correspondingly connected to the plurality of terminals; a first set of wire bonding pads disposed on the first surface; and a second set of wire bonding pads disposed On the second surface; a pair of recessed positioning portions respectively located on both sides of the body and adjacent to the rear end edge; and a ground strap pad spanning the body, two of the ground strip pads The ends extend to the surfaces of the pair of recessed positioning portions, respectively. The electrical connector assembly of claim 1, wherein the ends of the first row of terminals and the second row of terminals are on the same plane; the plurality of contact pads are disposed on the transit circuit board a first surface, and configured as a first row of contact pads and a second row of contact pads; wherein the first row of terminals are correspondingly connected to the first row of contact pads, and the second row of terminals are correspondingly connected to The second row of contact pads. The electrical connector assembly of claim 2, wherein the first row of contact pads and the second row of contact pads are interdigitated and not aligned. The electrical connector assembly of claim 3, wherein the transit circuit board further has a pair of positioning holes, wherein the electrical connector has a pair of fixing legs, and the pair of fixing legs are correspondingly inserted in the a pair of positioning holes, wherein the pair of positioning holes are respectively located at two sides of the second row of contact pads. The electrical connector assembly of claim 1, wherein the ground strap pad spans the second table of the transit circuit board in a direction parallel to the rear end edge The two ends of the ground strip pad respectively extend to the surface of the pair of recess positioning portions and partially extend to the first surface. The electrical connector assembly of claim 5, wherein the recessed positioning portion is U-shaped recessed inwardly from a side edge of the adapter circuit board, wherein a width of the ground strap pad is substantially equal to the recessed position The maximum width of the section. The electrical connector assembly of claim 6, wherein the first set of wire bonding pads comprises a grounding wire bonding pad, the grounding wire bonding pad being adjacent to one of the recessed positioning portions and connected to the grounding strip pad. The electrical connector assembly of claim 7, wherein the first set of wire pads comprises an integrated wire bond pad, the integrated wire bond pad having a width equal to twice the width of the other of the wire pads plus The spacing between the two adjacent wire pads. The electrical connector assembly of claim 8, wherein the second set of wire pads correspond to signal pins of the plurality of terminals of the electrical connector, including two pairs of differential signal pins and two pairs The differential signal pin is received, and the two pairs of differential signal pins are arranged in parallel with the two pairs of received differential signals and arranged in parallel on the ground strap pad. An adapter circuit board includes: a body having a first surface, a second surface, a front end edge, and a rear end edge, the second surface being opposite to the first surface; a contact pad disposed on the body and adjacent to the front end edge; a first set of wire bonding pads disposed on the first surface; a second set of wire bonding pads disposed on the second surface; a pair of recessed positioning Portions are respectively located on both sides of the body and adjacent to the rear end edge; and a grounding strip-shaped pad spanning the body, and two ends of the grounding strip-shaped pad respectively extend to a pair of the recessed positioning portions s surface.