CN202856084U - Electrical connector - Google Patents
Electrical connector Download PDFInfo
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- CN202856084U CN202856084U CN201220501543.8U CN201220501543U CN202856084U CN 202856084 U CN202856084 U CN 202856084U CN 201220501543 U CN201220501543 U CN 201220501543U CN 202856084 U CN202856084 U CN 202856084U
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Abstract
An electrical connector includes a first pair of differential signal terminals, a second pair of differential signal terminals, a first ground terminal, a second ground terminal, and a third ground terminal. The first and second signal terminals of the first pair of differential signal terminals and the third and fourth signal terminals of the second pair of differential signal terminals are sequentially arranged in a first direction. The pins of the first and second pairs of differential signal terminals are staggered in a second direction transverse to the first direction. The first ground terminal is adjacent to the first signal terminal, and the pin of the first ground terminal is close to the pin of the first signal terminal. The second grounding terminal is arranged between the second signal terminal and the third signal terminal and comprises two pins, wherein one pin is close to the third signal terminal pin, and the other pin is close to the second signal terminal pin. The third grounding terminal is adjacent to the fourth signal terminal, and the pin of the third grounding terminal is close to the pin of the fourth signal terminal. The electric connector of the utility model can reduce the electromagnetic radiation.
Description
Technical field
The utility model relates to a kind of electric connector.
Background technology
Serial Attached SCSI (SAS) (Serial attached SCSI; SAS) be a kind of communication protocol (communication protocol), the data access of its main proper calculation machine storage device (such as hard disk or magnetic tape station etc.).SAS belongs to a kind of point-to-point serial protocol (point-to-point serial protocol), and it is to be substituted in the parallel SCSI bus-bar technology that 1980 mid-nineties 90s released.The SAS device uses differential signal (differential signals) to communicate, differential signal can reduce the harmful effects such as capacity effect, inductive effect and noise that parallel SCSI meets with under the high-speed communication transmission, thereby reaches stable and high-speed serial communication (serial communication).
SAS inherits frame format (frame formats) and the full-duplex communication (full-duplex communication) of standard SCSI instruction set (standard SCSI command set) and fiber channel protocol (Fibre Channel protocol).Each SAS device comprises at least one receiving and dispatching mechanism (transceiver mechanism), and receiving and dispatching mechanism comprises reflector (transmitter) and receiver (receiver).Available two pairs of wires connect respectively the reflector and corresponding receiver in the connection socket of stream oriented device.Under the full-duplex communication pattern, each receiving and dispatching mechanism can transmit and receive data by two pairs of wires simultaneously.
The connection socket of stream oriented device can use connecting line to be connected with connector, and wherein the two pairs of wires connect respectively two pairs of terminals on the connector.The physical link speed of first generation SAS (physical link rate) is 3.0Gbps (Gbit/s), and the main flow of using at present is second generation SAS, and its physical link speed is the twice of first generation SAS, reaches 6.0Gbps.Can release third generation SAS in the near future, the physical link speed of third generation SAS can be further doubles the physical link speed of second generation SAS, reaches 12Gbps.Because third generation SAS connector is identical with the arrangement design of the terminal pin of second generation SAS connector, therefore when physical link speed is increased to 12Gbps, use existing connector can occur between electromagnetic interference (EMI emision) and the two pairs of terminals thereof can generation cross-talk (cross talk) etc. problem.
The utility model content
In view of the existing connector of aforesaid use can occur to understand problems such as producing cross-talk (cross talk) between electromagnetic interference (EMI emision) and two pairs of terminals thereof, a kind of new electric connector is suggested.
The electric connector of the utility model one embodiment comprises an insulating body and one first group of terminal.First group of terminal comprises one first pair of difference signal terminal, the one second pair of difference signal terminal, one first earth terminal, one second earth terminal, and one the 3rd earth terminal.First pair of difference signal terminal can be fixed on insulating body.First pair of difference signal terminal can comprise a first signal terminal and a secondary signal terminal.First signal terminal and secondary signal terminal can comprise respectively a pin.Second pair of difference signal terminal can be fixed on insulating body.Second pair of difference signal terminal can comprise one the 3rd signal terminal and one the 4th signal terminal.The 3rd signal terminal and the 4th signal terminal can comprise respectively a pin, wherein first signal terminal, secondary signal terminal, the 3rd signal terminal and the 4th signal terminal are sequentially to arrange at a first direction, and wherein the described pin of first pair of difference signal terminal staggers in the second direction transverse to this first direction.The described pin of second pair of difference signal terminal is staggering transverse to this second direction.The first earth terminal can the neighbour be established the first signal terminal.The first earth terminal can comprise at least one pin, and wherein at least one pin of the first earth terminal can be near the pin of first signal terminal.The second earth terminal is arranged between secondary signal terminal and the 3rd signal terminal.The second earth terminal comprises one first pin and one second pin.The first pin is near the pin of the 3rd signal terminal, and the second pin is near the pin of secondary signal terminal.The 3rd earth terminal is adjacent to the 4th signal terminal.The 3rd earth terminal comprises at least one pin, and wherein at least one pin of the 3rd earth terminal is near the pin of the 4th signal terminal.
Aforesaid electric connector, wherein this second earth terminal comprises a plate-like body, this first pin of this second earth terminal and this second pin extend from this plate-like body, and this first pair of difference signal terminal and this second pair of difference signal terminal are of a size of on this second direction greatly this plate-like body in the size on this second direction.
Aforesaid electric connector, wherein this first earth terminal comprises a plate-like body and two pins, and the 3rd earth terminal comprises a plate-like body and two pins.
Aforesaid electric connector, wherein this insulating body comprises one first group of terminal groove, and wherein this first group of terminal is fixed on this first group of terminal groove accordingly.
Aforesaid electric connector, wherein this insulating body also comprises a first side wall and one second sidewall, and wherein this first side wall and this second sidewall extend and define a slot along this first direction, and wherein this first group of terminal groove is formed on this first side wall.
Aforesaid electric connector, wherein this first side wall comprises a section, and this section comprises a male part, and wherein this first group of terminal groove is formed at this section.
Aforesaid electric connector wherein, also comprises one second group of terminal, and this second sidewall comprises one second group of terminal groove, and wherein this second group of terminal is fixed on this second group of terminal groove accordingly.
Aforesaid electric connector wherein, also comprises one the 3rd group of terminal, and wherein this second sidewall comprises one the 3rd group of terminal groove, and wherein the 3rd group of terminal is fixed on the 3rd group of terminal groove accordingly.
Aforesaid electric connector, wherein this second sidewall comprises a depressed part, and wherein this depressed part separates this second group of terminal groove and the 3rd group of terminal groove.
Aforesaid electric connector, wherein this second pin of the described pin of this at least one pin of this first earth terminal, this first pair of difference signal terminal and this second earth terminal is to form a line along diagonal.
Aforesaid electric connector, wherein this at least one pin of the described pin of this first pin of this second earth terminal, this second pair of difference signal terminal and the 3rd earth terminal is to form a line along diagonal.
Aforesaid electric connector, wherein this first pin of this second earth terminal and the spacing of this second pin on this second direction are greater than the described pin of this first pair of difference signal terminal and the spacing of described pin on this second direction of this second pair of difference signal terminal.
Because therefore another pin of the pin of the close secondary signal terminal of a pin of the pin of the close first signal terminal of the pin of the first earth terminal, the second earth terminal and close the 3rd signal terminal of another pin of the second earth terminal and the pin of the 3rd earth terminal can reduce electromagnetic radiation near the pin of the 4th signal terminal.
Description of drawings
Fig. 1 is the schematic perspective view of the utility model one embodiment, and its illustration is installed in the electric connector on the circuit board;
Fig. 2 is another schematic perspective view of the utility model one embodiment, and its illustration is installed in the electric connector on the circuit board;
Fig. 3 is the schematic perspective view of the utility model one embodiment, its illustration one circuit board and an electric connector;
Fig. 4 is the schematic perspective view of the utility model one embodiment, the bottom surface of its exemplary circuit plate and electric connector;
Fig. 5 is the decomposing schematic representation of the electric connector of the utility model one embodiment;
Fig. 6 is another decomposing schematic representation of the electric connector of the utility model one embodiment;
Fig. 7 shows the arrangement of the pin of the earth terminal of the utility model one embodiment and signal terminal; And
Fig. 8 is the end view of the embodiment of Fig. 7.
[main element symbol description]
1 circuit board
2 electric connectors
5 diagonals
11 perforates
12 perforates
13 perforates
14 location holes
20 first groups of terminals
21 insulating bodies
22 first pairs of difference signal terminal
22a first signal terminal
22b secondary signal terminal
23 second pairs of difference signal terminal
23a the 3rd signal terminal
23b the 4th signal terminal
24 first earth terminals
25 second earth terminals
26 the 3rd earth terminals
27 second groups of terminals
28 the 3rd groups of terminals
210 first groups of terminal grooves
211 signal end pilot trench
212 earth terminal pilot trench
213 slots
214 the first side walls
215 second sidewalls
216 second groups of terminal grooves
217 the 3rd groups of terminal grooves
218 guiding blocks
219 reference columns
221 pins
222 fixed parts
223 contact sites
231 pins
232 fixed parts
233 contact sites
The 241a pin
The 241b pin
242 plate-like body
243 contact sites
251a the first pin
251b the second pin
252 plate-like body
253 contact sites
The 261a pin
The 261b pin
262 plate-like body
263 contact sites
271 pins
272 fixed parts
273 contact sites
281 pins
282 fixed parts
283 contact sites
2141 sections
2142 male part
2151 depressed parts.
Embodiment
Below cooperate accompanying drawing that embodiment of the present utility model is described in detail in detail.
Fig. 1 is the schematic perspective view of the utility model one embodiment, and its illustration is installed in the electric connector 2 on the circuit board 1.Fig. 2 is another schematic perspective view of the utility model one embodiment, and its illustration is installed in the electric connector 2 on the circuit board 1.Fig. 3 is the schematic perspective view of the utility model one embodiment, its illustration one circuit board 1 and an electric connector 2.Fig. 4 is the schematic perspective view of the utility model one embodiment, the bottom surface of its exemplary circuit plate 1 and electric connector 2.Fig. 5 is the decomposing schematic representation of the electric connector 2 of the utility model one embodiment.Fig. 6 is another decomposing schematic representation of the electric connector 2 of the utility model one embodiment.Referring to figs. 1 through shown in Figure 6, electric connector 2 can be placed on the circuit board 1.Electric connector 2 can comprise an insulating body 21 and one first group of terminal 20.First group of terminal 20 comprises one first pair of difference signal terminal 22, the one second pair of difference signal terminal 23, one first earth terminal 24, one second earth terminal 25, and one the 3rd earth terminal 26, wherein first pair of difference signal terminal 22 is arranged between the first earth terminal 24 and the second earth terminal 25, and second pair of difference signal terminal 23 is arranged between the second earth terminal 25 and the 3rd earth terminal 26.
Although Fig. 1 to Fig. 6 embodiment discloses in addition two groups of terminals (27 and 28) are arranged, the utility model is not limited to have the embodiment of three groups of terminals (20,27 and 28).The utility model can be used in to have on the electric connector that comprises at least one first group of terminal 20, and this first group of terminal 20 comprises first pair of above-mentioned difference signal terminal 22, second pair of difference signal terminal 23, the first earth terminal 24, the second earth terminal 25 and the 3rd earth terminal 26.
First pair of difference signal terminal 22 can be fixed on the insulating body 21.First pair of difference signal terminal 22 can be used for transmitting differential signal (differential signals).First pair of difference signal terminal 22 can comprise a first signal terminal 22a and a secondary signal terminal 22b.First signal terminal 22a and secondary signal terminal 22b can comprise respectively a pin 221.In one embodiment, first signal terminal 22a and secondary signal terminal 22b can be crimp type terminal, and namely the pin 221 of first signal terminal 22a and secondary signal terminal 22b comprises a pinprick (eye of needle).When electric connector 2 was placed on the circuit board 1, first signal terminal 22a was inserted into corresponding perforate 11 (Fig. 3) with the pin 221 of secondary signal terminal 22b, and its pinprick can be interfered perforate 11 and be fixed.In another embodiment, first signal terminal 22a is to be welded in the perforate corresponding on the circuit board 1 11 with the pin 221 of secondary signal terminal 22b.In another embodiment, the pin 221 of first signal terminal 22a and secondary signal terminal 22b is bent, and can utilize surface mounting technology (surface mount technology) to be welded on the circuit board 1.
Second pair of difference signal terminal 23 can be fixed on the insulating body 21.Second pair of difference signal terminal 23 can be used for transmitting differential signal (differential signals).Second pair of difference signal terminal 23 can comprise one the 3rd signal terminal 23a and one the 4th signal terminal 23b.The 3rd signal terminal 23a and the 4th signal terminal 23b can comprise respectively a pin 231.In one embodiment, the 3rd signal terminal 23a and the 4th signal terminal 23b can be crimp type terminal, and namely the pin 231 of the 3rd signal terminal 23a and the 4th signal terminal 23b comprises a pinprick (eye of needle).When electric connector 2 was placed on the circuit board 1, the 3rd signal terminal 23a was inserted into corresponding perforate 11 (Fig. 3) with the pin 231 of the 4th signal terminal 23b, and its pinprick can be interfered perforate 11 and be fixed.In another embodiment, the 3rd signal terminal 23a is to be welded in the perforate corresponding on the circuit board 1 11 with the pin 231 of the 4th signal terminal 23b.In another embodiment, the pin 231 of the 3rd signal terminal 23a and the 4th signal terminal 23b is bent, and can utilize surface mounting technology (surface mount technology) to be welded on the circuit board 1.
Extremely shown in Figure 7 with reference to Fig. 5, first signal terminal 22a, secondary signal terminal 22b, the 3rd signal terminal 23a and the 4th signal terminal 23b can sequentially arrange at a first direction 3, wherein on the second direction 4 transverse to first direction 3, two pins 221 of first pair of difference signal terminal 22 are to stagger, and two pins 231 of second pair of difference signal terminal 23 are to stagger, as shown in Figure 7.
To shown in Figure 7, the first earth terminal 24 is that the neighbour establishes first signal terminal 22a with reference to Fig. 5.The first earth terminal 24 can comprise at least one pin (241a or 241b).In one embodiment, the first earth terminal 24 between pin 241a arrange near the pin 221 of first signal terminal 22a.
The second earth terminal 25 is arranged between secondary signal terminal 22b and the 3rd signal terminal 23a.The second earth terminal 25 comprises one first pin 251a, one second pin 251b and a plate-like body 252, and wherein the first pin 251a and the second pin 251b can all extend from plate-like body 252.In one embodiment, among secondary signal terminal 22b and the 3rd signal terminal 23a, the pin 231 of close the 3rd signal terminal 23a of the first pin 251a, and the pin 221 of the close secondary signal terminal 22b of the second pin 251b.
The plate-like body 252 of the second earth terminal 25 can separate first pair of difference signal terminal 22 and second pair of difference signal terminal 23, to reduce by first pair of difference signal terminal 22 and second pair of 23 interaction crosstalks interference of difference signal terminal (cross-talking).In one embodiment, as shown in Figure 7, the plate-like body 252 of the second earth terminal 25 is large at the size L on the second direction 4 than first pair of difference signal terminal 22 and the second couple of size l of difference signal terminal 23 on second direction 4, so can preferably avoid first pair of difference signal terminal 22 and second pair of difference signal terminal 23 interaction crosstalk to disturb.
To shown in Figure 7, the 3rd earth terminal 26 is to be adjacent to the 4th signal terminal 23b with reference to Fig. 5.The 3rd earth terminal 26 can comprise at least one pin (261a or 261b).In one embodiment, a pin 261b of the 3rd earth terminal 26 arranges near the pin 231 of the 4th signal terminal 23b.
It is worth mentioning that, the pin 221 of the close first signal terminal 22a of the pin 241a of above-mentioned the first earth terminal 24, the pin 231 of close the 3rd signal terminal 23a of the first pin 251a of the second earth terminal 25, the pin 221 of the close secondary signal terminal 22b of the second pin 251b of the second earth terminal 25, and the pin 261b of the 3rd earth terminal 26 is near the pin 231 of the 4th signal terminal 23b, so the pin 221 of first signal terminal 22a can have with the pin 241a of the first earth terminal 24 than the close coupling effect, the pin 221 of secondary signal terminal 22b can have than the close coupling effect with the second pin 251b of the second earth terminal 25, the pin 231 of the 3rd signal terminal 23a can have than the close coupling effect with the first pin 251a of the second earth terminal 25, and the pin 231 of the 4th signal terminal 23b can have than the close coupling effect with the pin 261b of the 3rd earth terminal 26, thereby reduces by first pair of difference signal terminal 22 and second pair of electromagnetic interference that difference signal terminal 23 produces.
As shown in Figure 7, in one embodiment, two pins 221 of first pair of difference signal terminal 22 are between the second pin 251b of the pin 241a of the first earth terminal 24 and the second earth terminal 25, and two pins 231 of second pair of difference signal terminal 23 are between the pin 261a of the first pin 251a of the second earth terminal 25 and the 3rd earth terminal 26.In one embodiment, two pins 221 of the pin 241a of the first earth terminal 24, first pair of difference signal terminal 22 and the second pin 251b of the second earth terminal 25 form a line along a pair of linea angulata direction 5, and the pin 261b of two pins 231 of the first pin 251a of the second earth terminal 25, second pair of difference signal terminal 23 and the 3rd earth terminal 26 forms a line along a pair of linea angulata direction 5.So design has the better signal laser propagation effect.
With reference to shown in Figure 6, in one embodiment, the first earth terminal 24 can comprise a plate-like body 242 and have two pins (241a and 241b), and wherein two pins (241a and 241b) extend from plate-like body 242.By two pin 241a and 241b while ground connection, can reduce the equivalent inductance of the first earth terminal 24, thereby further reduce the electromagnetic interference that first pair of difference signal terminal 22 produces.In one embodiment, plate-like body 242 is of a size of on second direction 4 greatly than first pair of difference signal terminal 22 and second pair of difference signal terminal 23 in the size on the second direction 4.In another embodiment, the first earth terminal 24 does not have plate-like body.
In one embodiment, the 3rd earth terminal 26 can comprise a plate-like body 262 and have two pins (261a and 261b), and wherein two pins (261a and 261b) extend from plate-like body 262.By two pin 261a and 261b while ground connection, can reduce the equivalent inductance of the 3rd earth terminal 26, thereby further reduce the electromagnetic interference that second pair of difference signal terminal 23 produces.In one embodiment, plate-like body 262 is of a size of on second direction 4 greatly than first pair of difference signal terminal 22 and second pair of difference signal terminal 23 in the size on the second direction 4.In another embodiment, the 3rd earth terminal 26 does not have plate-like body.
With reference to shown in Figure 6, insulating body 21 is formed with one first group of terminal groove 210.First group of terminal groove 210 can comprise a plurality of signal end pilot trench 211, wherein a plurality of signal end pilot trench 211 corresponding first signal terminal 22a, secondary signal terminal 22b, the 3rd signal terminal 23a and the 4th signal terminal 23b.First signal terminal 22a, secondary signal terminal 22b, the 3rd signal terminal 23a and the 4th signal terminal 23b all comprise a fixed part (222 or 232), wherein as first signal terminal 22a, secondary signal terminal 22b, when the 3rd signal terminal 23a or the 4th signal terminal 23b organize into the signal end pilot trench 211 of correspondence, fixed part (222 or 232) is interfered with the cell wall of signal end pilot trench 211 and is fixed in the signal end pilot trench 211, and makes first signal terminal 22a, secondary signal terminal 22b, the 3rd signal terminal 23a or the 4th signal terminal 23b can be fixed on the insulating body 21.
In one embodiment, the plate-like body 252 of the second earth terminal 25 is of a size of on second direction 4 greatly than fixed part (222 or 232) at the size L on the second direction 4.In one embodiment, the plate-like body 242 of the first earth terminal 24 is of a size of on second direction 4 greatly than fixed part (222 or 232) in the size on the second direction 4.In one embodiment, the plate-like body 262 of the 3rd earth terminal 26 is of a size of on second direction 4 greatly than fixed part (222 or 232) in the size on the second direction 4.
With reference to shown in Figure 8, plate-like body (242,252 and 262) can be large than fixed part (222 and 232).If the size of plate-like body (242,252 or 262) on second direction 4 is called width, and be called height transverse to the size of width, then except width is large, the height I of plate-like body 242, plate-like body 252 and plate-like body 262 is the height that are not less than fixed part (222 and 232), so can reduce the generation of electromagnetic interference.
Refer again to shown in Figure 6ly, in the present embodiment, first group of terminal groove 210 comprises a plurality of earth terminal pilot trench 212 in addition, wherein a plurality of earth terminal pilot trench 212 corresponding the first earth terminals 24, the second earth terminal 25 and the 3rd earth terminal 26.When 26 groups of the first earth terminal 24, the second earth terminal 25 or the 3rd earth terminals entered corresponding earth terminal pilot trench 212, the plate-like body (242,252 or 262) of the first earth terminal 24, the second earth terminal 25 or the 3rd earth terminal 26 can be interfered with the cell wall of earth terminal pilot trench 212.
With reference to shown in Figure 6, insulating body 21 is formed with a slot 213, slot 213 butt connector of can pegging graft.First signal terminal 22a, secondary signal terminal 22b, the 3rd signal terminal 23a and the 4th signal terminal 23b all comprise a contact site (223 or 233), wherein after first signal terminal 22a, secondary signal terminal 22b, the 3rd signal terminal 23a and the 4th signal terminal 23b organize corresponding signal end pilot trench 211, contact site (223 and 233) can protrude into slot 213 (Fig. 1), is electrically connected the butt connector that inserts.In addition, the first earth terminal 24, the second earth terminal 25 and the 3rd earth terminal 26 comprise respectively contact site (243,253 and 263), after the first earth terminal 24, the second earth terminal 25 and the 3rd earth terminal 26 were fixed on insulating body 21, contact site (243,253 and 263) can protrude into slot 213.
With reference to shown in Figure 6, in one embodiment, electric connector 2 can comprise second group of terminal 27.Second group of terminal 27 can be fixed on insulating body 21, and is used for the signal transmission.
Insulating body 21 comprises a first side wall 214 and one second sidewall 215, and wherein the first side wall 214 and the second sidewall 215 all are to extend along first direction 3, distinguish the position in the relative both sides of slot 213, and define slot 213.First group of terminal groove 210 can be formed at the first side wall 214.Moreover, insulating body 21 can be formed with one second group of terminal groove 216, second group of terminal groove 216 corresponding second group of terminal 27, after second group of terminal 27 organized accordingly and entered second group of terminal groove 216, the terminal fixed part 272 of second group of terminal 27 can be interfered with the cell wall of second group of terminal groove 216 accordingly, makes second group of terminal 27 be fixed on second group of terminal groove 216.In one embodiment, second group of terminal groove 216 can be formed at the second sidewall 215.
With reference to Fig. 2 and shown in Figure 6, each terminal of second group of terminal 27 comprises a contact site 273.When second group of terminal 27 organize accordingly enter second group of terminal groove 216 after, contact site 273 can protrude into slot 213, be electrically connected to insert butt connector.
With reference to Fig. 3 and shown in Figure 6, each terminal of second group of terminal 27 comprises a pin 271, and pin 271 is used for being electrically connected circuit board 1.In one embodiment, circuit board 1 comprises a plurality of perforates 12, and each pin 271 of 271, the second groups of terminals 27 of terminal pin of a plurality of perforate 12 corresponding second group of terminal 27 comprises a pinprick, pinprick and perforate 12 interference engagement.In one embodiment, circuit board 1 comprises a plurality of perforates 12, and the pin 271 of 271, the second groups of terminals of pin of a plurality of perforate 12 corresponding second group of terminal 27 is to be fixed on corresponding perforate 12 with welding manner.In one embodiment, the pin of second group of terminal 27 is bent, and makes it can utilize surface mounting technology to be welded on the circuit board 1.
In one embodiment, the pin 271 of second group of terminal 27 can be arranged in a row.In one embodiment, the pin 271 of second group of terminal 27 of part is to stagger with the pin 271 of second group of terminal 27 of another part in second direction 4.
With reference to shown in Figure 6, electric connector 2 can comprise one the 3rd group of terminal 28.The 3rd group of terminal 28 can be fixed on insulating body 21, and is used for electric power transfer.
The second sidewall 215 of insulating body 21 can be formed with one the 3rd group of terminal groove 217.The 3rd group of terminal groove 217 corresponding the 3rd group of terminals 28.Each terminal of the 3rd group of terminal 28 can comprise the fixed part 282 of 282, the three groups of terminals 28 of a fixed part can be accordingly and the 3rd group of terminal groove 217 interference engagement, fixing with the 3rd group of terminal 28 that group is entered.
Each terminal 28 of the 3rd group of terminal 28 comprises a contact site 283, and after 28 groups of the 3rd group of terminals entered the 3rd group of terminal groove 217, contact site 283 can protrude into slot 213, inserts butt connector to be electrically connected.
With reference to Fig. 3 and shown in Figure 6, each terminal of the 3rd group of terminal 28 comprises pin 281, and pin 281 is used for being electrically connected circuit board 1.In one embodiment, circuit board 1 comprises a plurality of perforates 13, and each pin 281 of 281, the three groups of terminals 28 of pin of a plurality of perforate 13 corresponding the 3rd group of terminals 28 comprises a pinprick, pinprick and perforate 13 interference engagement.In one embodiment, circuit board 1 comprises a plurality of perforates 13, and the pin 281 of 281, the three groups of terminals 28 of pin of a plurality of perforate 13 corresponding the 3rd group of terminals 28 is to be fixed on corresponding perforate 13 with welding manner.In one embodiment, the pin of the 3rd group of terminal 28 is bent, and makes it can utilize surface mounting technology (surface mount technology) to be welded on the circuit board 1.
In one embodiment, the pin 281 of the 3rd group of terminal 28 can be arranged in a row.In one embodiment, the pin 281 of the 3rd group of terminal 28 of part is to stagger with the pin 281 of the 3rd group of terminal 28 of another part in second direction 4.
As shown in Figure 6, in one embodiment, the first side wall 214 comprises a section 2141.Except the section 2141 that is formed with first group of terminal groove 210, other parts of the first side wall 214 have minimal thickness.In one embodiment, section 2141 comprises a male part 2142, and wherein first group of terminal groove 210 is formed on male part 2142.
The second sidewall 215 of insulating body 21 can be formed with a depressed part 2151.It is other that depressed part 2151 can be formed at slot 213.Depressed part 2151 can form with respect to section 2141.In one embodiment, depressed part 2151 can be used for preventing that butt connector is inserted into improperly.In one embodiment, depressed part 2151 is to separate described second group of terminal groove 216 and the 3rd group of terminal groove 217.
With reference to shown in Figure 3, insulating body 21 tool elongate in shape, and comprise two terminal parts.Slot 213 is formed at the upper surface of insulating body 21.Can be formed with guiding block 218 on each terminal part of insulating body 21, guiding block 218 is near the two ends of slot 213.Guiding block 218 is used for when butt connector docks, the guiding butt connector.
With reference to shown in Figure 4, insulating body 21 comprises two reference columns, 219, two reference columns 219 from the bottom of insulating body 21 to downward-extension, is formed with corresponding location hole 14 on the circuit board 1, wherein when electric connector 2 was installed on the circuit board 1, reference column 219 inserted corresponding location hole 14.
In an embodiment of the present utility model, electric connector comprises one first earth terminal, the one first pair of difference signal terminal, one second earth terminal, the one second pair of difference signal terminal and one the 3rd earth terminal, wherein first pair of difference signal terminal is arranged between the first earth terminal and the second earth terminal, and second pair of difference signal terminal is arranged between the second earth terminal and the 3rd earth terminal.First pair of difference signal terminal comprises a first signal terminal and a secondary signal terminal, and wherein the first signal terminal is near the first earth terminal, and the secondary signal terminal is near the second earth terminal.Second pair of difference signal terminal comprises one the 3rd signal terminal and one the 4th signal terminal, and wherein the 3rd signal terminal is near the second earth terminal, and the 4th signal terminal is near the 3rd earth terminal.The first earth terminal has a pin, and the pin of the first earth terminal is near the pin of first signal terminal.The second earth terminal has two pins, and wherein a pin of the second earth terminal is near the pin of secondary signal terminal, and another pin of the second earth terminal is near the pin of the 3rd signal terminal.The 3rd earth terminal has a pin, and the pin of the 3rd terminal is near this pin of the 4th signal terminal.Because each pin of every a pair of difference signal terminal all near the pin of its adjacent earth terminal, therefore can reduce the electromagnetic interference that every a pair of difference signal terminal produces.Moreover the second earth terminal comprises a plate-like body, and plate-like body can reduce the cross-talk between first pair of difference signal terminal and the second pair of difference signal terminal.In addition, the first earth terminal and the 3rd earth terminal can have respectively two pins, so can reduce the equivalent inductance of the first earth terminal and the 3rd earth terminal, thereby further reduce the electromagnetic interference that every a pair of difference signal terminal produces.
Technology contents of the present utility model and technical characterstic disclose as above, yet those skilled in the art still may be based on teaching of the present utility model and announcements and done all replacement and modifications that does not deviate from the utility model spirit.Therefore, protection range of the present utility model should be not limited to that embodiment discloses, and should comprise various do not deviate from replacement of the present utility model and modifications, and is contained by appending claims.
Claims (12)
1. an electric connector is characterized in that, comprises:
One insulating body; And
One first group of terminal comprises:
One first pair of difference signal terminal is fixed on this insulating body, and this first pair of difference signal terminal comprises a first signal terminal and a secondary signal terminal, and this first signal terminal and this secondary signal terminal comprise respectively a pin;
One second pair of difference signal terminal, be fixed on this insulating body, this second pair of difference signal terminal comprises one the 3rd signal terminal and one the 4th signal terminal, the 3rd signal terminal and the 4th signal terminal comprise respectively a pin, wherein this first signal terminal, this secondary signal terminal, the 3rd signal terminal and the 4th signal terminal are sequentially to arrange at a first direction, and wherein the described pin of the described pin of this first pair of difference signal terminal and this second pair of difference signal terminal staggers in the second direction transverse to this first direction respectively;
One first earth terminal is adjacent to this first signal terminal, and this first earth terminal comprises at least one pin, and wherein this at least one pin of this first earth terminal is near this pin of this first signal terminal;
One second earth terminal, be arranged between this secondary signal terminal and the 3rd signal terminal, this second earth terminal comprises one first pin and one second pin, and wherein this first pin is near this pin of the 3rd signal terminal, and this second pin is near this pin of this secondary signal terminal; And
One the 3rd earth terminal is adjacent to the 4th signal terminal, and the 3rd earth terminal comprises at least one pin, and wherein this at least one pin of the 3rd earth terminal is near this pin of the 4th signal terminal.
2. electric connector according to claim 1, it is characterized in that, wherein this second earth terminal comprises a plate-like body, this first pin of this second earth terminal and this second pin extend from this plate-like body, and this first pair of difference signal terminal and this second pair of difference signal terminal are of a size of on this second direction greatly this plate-like body in the size on this second direction.
3. electric connector according to claim 2 is characterized in that, wherein this first earth terminal comprises a plate-like body and two pins, and the 3rd earth terminal comprises a plate-like body and two pins.
4. arbitrary described electric connector in 3 according to claim 1 is characterized in that wherein this insulating body comprises one first group of terminal groove, and wherein this first group of terminal is fixed on this first group of terminal groove accordingly.
5. electric connector according to claim 4, it is characterized in that, wherein this insulating body also comprises a first side wall and one second sidewall, and wherein this first side wall and this second sidewall extend and define a slot along this first direction, and wherein this first group of terminal groove is formed on this first side wall.
6. electric connector according to claim 5 is characterized in that, wherein this first side wall comprises a section, and this section comprises a male part, and wherein this first group of terminal groove is formed at this section.
7. electric connector according to claim 5 is characterized in that, also comprises one second group of terminal, and this second sidewall comprises one second group of terminal groove, and wherein this second group of terminal is fixed on this second group of terminal groove accordingly.
8. electric connector according to claim 7 is characterized in that, also comprises one the 3rd group of terminal, and wherein this second sidewall comprises one the 3rd group of terminal groove, and wherein the 3rd group of terminal is fixed on the 3rd group of terminal groove accordingly.
9. electric connector according to claim 8 is characterized in that, wherein this second sidewall comprises a depressed part, and wherein this depressed part separates this second group of terminal groove and the 3rd group of terminal groove.
10. electric connector according to claim 1 is characterized in that, wherein this second pin of the described pin of this at least one pin of this first earth terminal, this first pair of difference signal terminal and this second earth terminal is to form a line along diagonal.
11. electric connector according to claim 1 is characterized in that, wherein this at least one pin of the described pin of this first pin of this second earth terminal, this second pair of difference signal terminal and the 3rd earth terminal is to form a line along diagonal.
12. electric connector according to claim 1, it is characterized in that, wherein this first pin of this second earth terminal and the spacing of this second pin on this second direction are greater than the described pin of this first pair of difference signal terminal and the spacing of described pin on this second direction of this second pair of difference signal terminal.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220501543.8U CN202856084U (en) | 2012-09-28 | 2012-09-28 | Electrical connector |
| MYPI2015700963A MY174522A (en) | 2012-09-28 | 2013-09-27 | Electrical connector having staggered pins |
| US14/430,776 US9590358B2 (en) | 2012-09-28 | 2013-09-27 | Electrical connector having staggered pins |
| PCT/IB2013/002143 WO2014049426A2 (en) | 2012-09-28 | 2013-09-27 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220501543.8U CN202856084U (en) | 2012-09-28 | 2012-09-28 | Electrical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202856084U true CN202856084U (en) | 2013-04-03 |
Family
ID=47987242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220501543.8U Expired - Lifetime CN202856084U (en) | 2012-09-28 | 2012-09-28 | Electrical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202856084U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103700985A (en) * | 2012-09-28 | 2014-04-02 | 美国莫列斯股份有限公司 | Electrical connector |
| CN104283066A (en) * | 2013-07-02 | 2015-01-14 | 三星电子株式会社 | Connector for reducing near-end crosstalk |
| CN107275827A (en) * | 2016-04-08 | 2017-10-20 | 格棱电子科技(赣州)有限公司 | High frequency electric connector |
-
2012
- 2012-09-28 CN CN201220501543.8U patent/CN202856084U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103700985A (en) * | 2012-09-28 | 2014-04-02 | 美国莫列斯股份有限公司 | Electrical connector |
| CN103700985B (en) * | 2012-09-28 | 2017-04-12 | 美国莫列斯有限公司 | Electric connector |
| CN104283066A (en) * | 2013-07-02 | 2015-01-14 | 三星电子株式会社 | Connector for reducing near-end crosstalk |
| CN107275827A (en) * | 2016-04-08 | 2017-10-20 | 格棱电子科技(赣州)有限公司 | High frequency electric connector |
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Address after: Illinois, USA Patentee after: Molex, LLC Address before: Illinois, USA Patentee before: Molex,LLC |
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| AV01 | Patent right actively abandoned |
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| AV01 | Patent right actively abandoned |
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