CN102377044B - Wire and cable connector and cable connection method - Google Patents

Abstract

A cable connector and a cable connection method, the cable connector includes a circuit board connected to the cable, the circuit board has opposite first side and second side, the first side is provided with a first row Conductive sheets, the second side is provided with a second row of conductive sheets, the first row of conductive sheets has a pair of conductive sheets for transmitting differential signals and a pair of conductive sheets for receiving differential signals, and the first row of conductive sheets and the second row of conductive sheets Conforming to the SFP+ interface standard, the circuit board is also provided with a third row of conductive sheets on the second side and behind the second row of conductive sheets. The third row of conductive sheets also has a conductive sheet for transmitting data, so that the transmission rate of the cable connection can be improved.

Description

Cable connector and cable connection method

【Technical field】

The invention relates to a high-speed cable connector and a cable connection method.

【Background technique】

The 4.1 version SFF-8431 published by the SFF Association on July 6, 2009 stipulates the electrical aspects of the SFP+ interface. The 5.0 version SFF-8432 released by the SFF Association on July 16, 2007 stipulates the mechanical aspects of the SFP+ interface. The transmission rate of the SFP+ interface stipulated by these two standards can reach 10Gigabit/s.

【Content of invention】

The object of the present invention is to provide a cable connector and a cable connection method with a higher transmission rate than the SFP+ standard.

The object of the present invention is achieved through the following technical solutions: a cable connector, which includes a circuit board connected to the cable, the circuit board has opposite first and second sides, and the first side is provided with The first row of conductive sheets, the fourth row of conductive sheets connected to the cables and some conductive lines, the second side is provided with the second row of conductive sheets, the fifth row of conductive sheets connected to the cables and some conductive lines , and the first row of conductive sheets and the second row of conductive sheets can cooperate with the socket connector and meet the SFP+ interface standard, and the second side of the circuit board is also provided with a third row of conductive sheets behind the second row of conductive sheets, The third row of conductive sheets can also cooperate with the socket connector to transmit signals. The third row of conductive sheets also includes shielded conductive sheets. Each pair of conductive sheets for transmitting differential signals is distributed between two shielded conductive sheets. The shielded conductive sheets The width of the strip is smaller than the width of the conductive strip that transmits the differential signal. The cable connector is compatible with the SFP+ interface socket. In the second row of conductive strips, there are two conductive strips that transmit differential signals. The two conductive strips are from the second The side is connected to the first side, and the conductive lines are all arranged on the outermost layer of the circuit board, and a pair of conductive sheets for transmitting differential signals in the third row of conductive sheets are connected from the second side to the first side, and the first row 1. All conductive sheets transmitting differential signals in the second row and the third row of conductive sheets are divided into two parts on average, one part is electrically connected to the corresponding fourth row of conductive sheets through the conductive lines on the first side, and the other part is connected through the second row of conductive sheets. The conductive lines on the side are electrically connected to the corresponding fifth row of conductive sheets.

Compared with the existing SFP+ cable connector, the third row of conductive sheets added to the cable connector of the present invention is used to transmit data, so that the transmission rate is higher. Moreover, the added conductive sheet will not increase the volume of the cable connector, and is compatible with the original SFP+ cable connector.

A cable connection method, comprising the following steps: (1) providing a circuit board connected to the cable, the circuit board has opposite first and second sides, the first side is provided with a first row of conductive sheets, The fourth row of conductive sheets and a number of conductive lines connected to the cables, the second side is provided with the second row of conductive sheets and the third row of conductive sheets on the rear side of the second row of conductive sheets, connected to the cables The fifth row of conductive sheets and several conductive lines, the first row of conductive sheets and the second row of conductive sheets meet the SFP+ interface standard; (2) Provide two shielding covers, and fasten the two shielding covers to the circuit board obtained in step (1) On the opposite sides of the circuit board, the circuit board is accommodated between the two shielding covers and extends to expose the two shielding covers, and the second row of conductive sheets and the third row of conductive sheets are arranged on the part of the circuit board where the shielding cover is exposed; (3) Insert the components obtained in step (2) into a socket, so that the first row, second row and third row of conductive strips are in contact with the docking connector, and the transmission signals of the first and second row of conductive strips conform to the SFP+ interface Standard, the third row of conductive sheets transmits differential signals, the third row of conductive sheets also includes shielded conductive sheets, each pair of conductive sheets for transmitting differential signals is distributed between two shielded conductive sheets, and the width of the shielded conductive sheets is smaller than that of the transmission The width of the conductive sheet of the differential signal, the cable connector is compatible with the SFP+ interface socket, in the second row of conductive sheets, there are two conductive sheets for transmitting differential signals, and the two conductive sheets are connected to the first from the second side On the side, the conductive lines are all arranged on the outermost layer of the circuit board, and a pair of conductive sheets for transmitting differential signals in the third row of conductive sheets are connected from the second side to the first side, and the first row, the second row and the All conductive sheets in the third row of conductive sheets that transmit differential signals are divided into two parts on average, one part is electrically connected to the corresponding fourth row of conductive sheets through the conductive lines on the first side, and the other part is connected through the conductive lines on the second side Electrically connect the corresponding fifth row of conductive sheets.

Compared with the existing SFP+ cable connection, the third row of conductive sheets added to the cable connection of the present invention is used for data transmission, which makes the transmission rate higher and facilitates the miniaturization of the cable connector.

【Description of drawings】

Fig. 1 is a perspective view of a cable connector according to the present invention.

Fig. 2 is an exploded view of the cable connector shown in Fig. 1 .

FIG. 3 is a front view of the circuit board shown in FIG. 2 .

FIG. 4 is a rear view of the circuit board shown in FIG. 2 .

[Description of main component symbols]

Cable connector 100 Shield cover 120, 140

circuit board 200 first side 22

First row of conductive strips 220 Two pairs of conductive strips 222, 224

Fourth row of conductive strips 230 Second side 24

The second row of conductive strips 240 Conductive strips 242

Conductive lines 225, 245 Fifth row of conductive strips 250

The third row of conductive strips 260 The first to sixteenth conductive strips 261-276

Cable 300

【detailed description】

Referring to FIGS. 1 to 4 , a cable connector 100 according to the present invention is disclosed, which can be mated with a receptacle connector (not shown), which includes a circuit board 200 connected to a cable 300 and interconnected The two shielding covers 120 , 140 are snapped together, and the circuit board 200 is accommodated between the two shielding covers 120 , 140 and extends to expose the two shielding covers 120 , 140 . The circuit board 200 has opposite first side 22 and second side 24, the first side 22 is provided with a first row of conductive sheets 220, the second side 24 is provided with a second row of conductive sheets 240, the first row of conductive sheets 220 There are two pairs of conductive sheets 222, 224 for transmitting/receiving differential signals, and the first row of conductive sheets and the second row of conductive sheets conform to the SFP+ interface standard. The circuit board 200 also has a third row of conductive sheets 260 on the second side 24 and behind the second row of conductive sheets 240 . The second row of conductive strips 240 and the third row of conductive strips 260 are disposed on the parts of the circuit board 200 where the shielding covers 120 and 140 are exposed, so as to be inserted into the aforementioned socket connectors to form conductive contacts. The third row of conductive strips 260 also has conductive strips for transmitting differential signals, so that the transmission rate of the cable connector 100 can be improved.

In addition, the circuit board 200 also includes a fourth row of conductive sheets 230 disposed on the first side 22 and a fifth row of conductive sheets 250 disposed on the second side 24. The cable 300 is soldered to the fourth row of conductive sheets 230 and the fifth row of conductive sheets. Conductive sheet 250 for rowing. The first row of conductive sheets 220, the second row of conductive sheets 240, and the third row of conductive sheets 260 are conductively connected to the fourth row of conductive sheets 230 and the fifth row of conductive sheets 250 through conductive lines 225 and 245 as required, and finally connected to the cable 300 electrical connections.

The third row of conductive sheets 260 includes a total of sixteen conductive sheets, which are sequentially the first to sixteenth conductive sheets 261-276, the first conductive sheet 261, the fourth conductive sheet 264, the seventh conductive sheet 267, the tenth conductive sheet The conductive sheet 270, the thirteenth conductive sheet 273 and the sixteenth conductive sheet 276 serve as a shield, and are not in conductive contact with the socket connector, and the remaining two adjacent conductive sheets are in conductive contact with the socket connector to transmit differential signals. In this way, five pairs of conductive sheets for transmitting differential signals are distributed between two shielded conductive sheets, which can reduce crosstalk interference between differential signals. Because only the third row of conductive strips 260 is added, the cable connector 100 still conforms to the SFP+ interface standard and is compatible with the SFP+ interface socket. The conductive sheets of the first row of conductive sheets 220 and the third row of conductive sheets 260 that transmit signals are connected to the aforementioned cable 300 through conductive lines 225, 245, and the conductive lines 225, 245 are both arranged on the outermost layer of the circuit board 200 , can increase the rate of data transmission.

The manufacture and use of the aforementioned cable connector 100 provides a cable connection method, which includes the following steps: (1) providing the aforementioned circuit board 200 connected to the cable 300 , the circuit board 200 has an opposite first side 22 With the second side 24, the first side 22 is provided with the first row of conductive sheets 220, the second side 24 is provided with the second row of conductive sheets 240 and the third row of conductive sheets 260 at the rear side of the second row of conductive sheets 240, the second row of conductive sheets 260 The first row of conductive sheets 220 and the second row of conductive sheets 240 conform to the SFP+ interface standard; (2) provide two shielding covers 120, 140, and fasten the two shielding covers to the opposite sides of the circuit board 200 obtained in step (1). The circuit board 200 is accommodated between the two shielding covers 120, 140 and extends to expose the two shielding covers 120, 140. The second row of conductive sheets 240 and the third row of conductive sheets 260 are arranged on the exposed shielding covers 120, 140 of the circuit board 200. 140; (3) Plug the components obtained in step (2) into a socket, so that the first row of conductive sheets 220 and the second row of conductive sheets 240 transmit signals in line with the SFP+ interface standard, and the third row of conductive sheets 260 transmit differential signal and ground signal. In addition, the conductive sheets for transmitting SFP+ standard differential signals are distributed in the first row of conductive sheets 220, and the third row of conductive sheets 260 of the circuit board has a total of sixteen, which are the first to sixteenth conductive sheets 261-273, and the third row of conductive sheets 260. The first conductive sheet 261 , the fourth conductive sheet 264 , the seventh conductive sheet 267 , the tenth conductive sheet 270 , the thirteenth conductive sheet 273 and the sixteenth conductive sheet 276 function as shields, and the remaining adjacent conductive sheets transmit differential signals. In addition, in the second row of conductive sheets 240, there are two conductive sheets 242 for transmitting differential signals, which are connected to the conductive lines on the first side through the conductive lines 235 (shown by dotted lines in FIG. 4 ) provided on the middle conductive layer of the circuit board 200. , and finally connected to the cable 300.

Claims (6)

1. A cable connector, which can be mated with a socket connector, which includes a circuit board connected to the cable, the circuit board has opposite first and second sides, and the first side is provided with a first A row of conductive sheets, a fourth row of conductive sheets connected to the cable, and a number of conductive lines, the second side is provided with a second row of conductive sheets, a fifth row of conductive sheets connected to the cable, and several conductive lines, and The first row of conductive sheets and the second row of conductive sheets can be matched with the socket connector and conform to the SFP+ interface standard. The third row of conductive sheets can also cooperate with the socket connector to transmit signals. The third row of conductive sheets also includes shielded conductive sheets, and each pair of conductive sheets for transmitting differential signals is distributed between the two shielded conductive sheets. The width of the shielding conductive sheet is smaller than the width of the conductive sheet for transmitting differential signals. The cable connector is compatible with the SFP+ interface socket. In the second row of conductive sheets, there are two conductive sheets for transmitting differential signals. The two conductive sheets are from The second side is connected to the first side, and the conductive lines are all arranged on the outermost layer of the circuit board. A pair of conductive sheets for transmitting differential signals in the third row of conductive sheets are connected from the second side to the first side, and the first row of conductive sheets is connected to the first side. All conductive sheets transmitting differential signals in the first row, the second row and the third row of conductive sheets are evenly divided into two parts, one part is electrically connected to the corresponding fourth row of conductive sheets through the conductive lines on the first side, and the other part is passed through The conductive lines on the second side are electrically connected to the corresponding fifth row of conductive sheets. 2. The cable connector according to claim 1, wherein the third row of conductive sheets includes five pairs of conductive sheets for transmitting differential signals. 3. The cable connector according to claim 2, wherein the shielding conductive sheet is not in contact with the receptacle connector. 4. The cable connector according to claim 2, characterized in that: the cable connector further comprises two shielding covers that are engaged with each other, and the circuit board is accommodated between the two shielding covers and extends to expose the two shielding covers. The cover, the second row of conductive sheets and the third row of conductive sheets are arranged on the part of the circuit board exposed to the shielding cover. 5. A cable connection method, comprising the following steps: (1) Provide a circuit board connected to the cable, the circuit board has opposite first and second sides, the first side is provided with a first row of conductive sheets, and a fourth row of conductive sheets connected to the cable and a number of conductive lines, the second side is provided with a second row of conductive sheets, a third row of conductive sheets behind the second row of conductive sheets, a fifth row of conductive sheets connected to the cable, and a number of conductive lines. The first row of conductive sheets and the second row of conductive sheets conform to the SFP+ interface standard; (2) Two shielding covers are provided, and the two shielding covers are fastened to the opposite sides of the circuit board obtained in step (1). The circuit board is accommodated between the two shielding covers and extends to expose the two shielding covers. The second The row conductive sheet and the third row conductive sheet are arranged on the part of the circuit board where the shielding cover is exposed; (3) Insert the component obtained in step (2) into a socket, so that the first row, second row and third row of conductive sheets are in contact with the docking connector for conductive cooperation, and the first and second row of conductive sheets transmit signals Conforming to the SFP+ interface standard, the third row of conductive sheets transmits differential signals, the third row of conductive sheets also includes shielded conductive sheets, and each pair of conductive sheets for transmitting differential signals is distributed between two shielded conductive sheets, and the shielded conductive sheets The width is smaller than the width of the conductive strips that transmit differential signals, and the cable connector is compatible with the SFP+ interface socket. In the second row of conductive strips, there are two conductive strips that transmit differential signals, and the two conductive strips are connected from the second side To the first side, the conductive lines are all arranged on the outermost layer of the circuit board, and a pair of conductive sheets for transmitting differential signals in the third row of conductive sheets are connected from the second side to the first side, and the first row, the second row All conductive sheets transmitting differential signals in the second row and the third row of conductive sheets are evenly divided into two parts, one part is electrically connected to the corresponding fourth row of conductive sheets through the conductive lines on the first side, and the other part is connected through the second side. The conductive lines are electrically connected to the corresponding fifth row of conductive sheets. 6. The cable connection method according to claim 5, characterized in that: the third row of conductive sheets of the circuit board includes at least five pairs of conductive sheets, and in step (3), the five pairs of conductive sheets transmit differential signals .