CN107275827A - High frequency electric connector - Google Patents

High frequency electric connector Download PDF

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Publication number
CN107275827A
CN107275827A CN201610307597.3A CN201610307597A CN107275827A CN 107275827 A CN107275827 A CN 107275827A CN 201610307597 A CN201610307597 A CN 201610307597A CN 107275827 A CN107275827 A CN 107275827A
Authority
CN
China
Prior art keywords
terminal
type
arm portion
elastic arm
conducting terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610307597.3A
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Chinese (zh)
Inventor
柯俊甫
吴昆升
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GREENCONN CORP
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GREENCONN CORP
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Filing date
Publication date
Application filed by GREENCONN CORP filed Critical GREENCONN CORP
Publication of CN107275827A publication Critical patent/CN107275827A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/646Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6461Means for preventing cross-talk
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/646Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6473Impedance matching
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/646Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6473Impedance matching
    • H01R13/6474Impedance matching by variation of conductive properties, e.g. by dimension variations

Abstract

The present invention relates to a high-frequency electrical connector, including an insulator housing in which a plurality of first terminal slot holes and a plurality of second terminal slot holes are formed, respectively, and arranged in a direction; a plurality of first type conductive terminals respectively embedded in the plurality of first terminal slot holes of the insulator housing, and a plurality of second type conductive terminals respectively embedded in the plurality of second terminal slot holes of the insulator housing; the first free end portions of the first conductive terminals are electrically contacted with corresponding terminals of a mating connector to transmit high-frequency signals, so as to reduce the signal attenuation of the high-frequency electrical connector during transmission of the high-frequency signals.

Description

High-frequency electric connecter
【Technical field】
The present invention relates to a kind of electric connector, more particularly to a kind of high-frequency electric connecter.
【Background technology】
As the miniaturization of various data memory devices (such as hard disk) and the requirement of data transmission more come It is higher, its exclusive high-frequency signals transmission electric connector interconnection technique interface (Serial such as list type height Advanced Technology Attachment, SATA) type electric connector size also tend to it is more frivolous short Conducting terminal that is small and needing receiving greater number and different purposes.In the sky of such a electrical connector interior Between size it is extremely limited in the case of, the arranging density of its conducting terminal that can be housed by very big challenge, Because this to be located at the arrangement spacing (i.e. Pitch) in described kind of electric connector between every two conducting terminals Also it is smaller, while being limited to the regulation of the normal pitch of specific connector;Due to above-mentioned specification, The impedance value of conducting terminal is changed excessive, cause impedance between Male end connector and terminative connector The problem of matching, so that the high-frequency signals between male end and female end electric connector can not be transmitted correctly.
In addition, when high-frequency signals are by conducting terminal, easily produced between adjacent near conducting terminal excessively The interference problem of interaction crosstalk (crosstalk), and then influence the stability of high-frequency signals transmission.Although one A bit in the prior art, electric connector additionally installs conductive a lamellar body or housing additional to be electrically connected with the electrical connection The grounding path of device, by the conductive lamellar body or housing close to easily occur crosstalk problem conducting terminal with The electric field around conducting terminal because of high-frequency signals formation or magnetic field are absorbed, and then reduces cross-talk.However, Extra manufacturing cost will relatively be spent by installing conductive lamellar body or housing additional.Therefore need to develop one kind newly The electric connector of formula, the problem of to solve above-mentioned.
【The content of the invention】
One of present invention purpose is to provide a kind of high-frequency electric connecter, is adjusted by the differential of conducting terminal Impedance value interval is less than one with reference to differential impedance value interval, to improve the impedance matching of high-frequency electric connecter, And avoid the interference problem of formation cross-talk (crosstalk) between conducting terminal.
To reach in above-mentioned purpose, the first embodiment of the present invention, disclosing a kind of high-frequency electric connecter includes Insulation shell, forms some the first terminal slotted eyes respectively and some Second terminal slotted eyes are arranged along a direction Row are arranged in the insulation shell;Some first type conducting terminals, are embedded at the insulation shell respectively Some the first terminal slotted eyes in, every one first type conducting terminal includes:First weld part, is used to Extend to outside the insulating body;First butting section, connects first weld part, to be resisted against It is relative in the insulation shell with the fixed first type conducting terminal on side wall in the insulation shell In the first terminal slotted eye answered;First elastic arm portion, from first butting section towards the electrical connection One plug orientation of device extends a preset distance;And first contact site, it is connected to described first with an angle Elastic arm portion and Yu Yimo slightly form one first free end, and first free end is along the arrangement side To forming one first width and first contact site along a vertical orientation and the plug The direction in direction forms a first thickness, wherein the first thickness is more than first width;And if Dry Second-Type conducting terminal, is embedded in some Second terminal slotted eyes of the insulation shell respectively; Some first free ends of wherein described some first type conducting terminals are in electrical contact one docking electricity When the corresponding terminal of connector is with transmitting high-frequency signals, to reduce the high-frequency electric connecter in transmission institute State signal attenuation amount during high-frequency signals.
In one embodiment, high-frequency electric connecter is a kind of interconnection techniques such as list type height of nonmetallic masking Interface (SATA) type electric connector, list type minicomputer interface (Serial Attached Small Computer System Interface, SAS) (such as third generation SAS, earlier or generation Pleistocene SAS) Any electric connector in type electric connector and combinations thereof.
In one embodiment, the differential impedance value of some first type conducting terminals is less than or equal to and met Differential impedance value is referred to as defined in more than SAS-3 standard specification, to reduce described in the high-frequency signals Signal attenuation amount.
In one embodiment, first is formed between the side of adjacent the first type conducting terminal of each two Second edge is formed between Edge Distance, and the side of the adjacent Second-Type conducting terminal of each two Distance, wherein second edge distance is more than the first edge distance.
In one embodiment, each Second-Type conducting terminal includes:Second weld part, to extend to State outside insulating body;Second butting section, from second weld part extension, to against described second The side wall of type terminal slotted eye, with the fixed Second-Type conducting terminal in the corresponding terminal of the insulation shell In slotted eye;Second elastic arm portion, the plug orientation from second butting section towards the electric connector is prolonged Stretch a preset distance;And second contact site, second elastic arm portion is connected to and in an end with an angle One second free end is slightly formed, it is wide that second free end forms one second along the orientation Degree and second contact site are formed along a vertical orientation and the direction of the plug orientation One second thickness, wherein the second thickness is more than second width.
In one embodiment, some first type conducting terminals and some Second-Type conducting terminals For blanking type terminal structure.
In one embodiment, second free end of some Second-Type conducting terminals is being electrically connected with When touching the corresponding terminal of the butt-jointed electric connector with transmitting high-frequency signals, some Second-Type conducting ends The differential impedance value of son, which is less than or equal to, refers to differential impedance value as defined in a SATA standard specification.
In one embodiment, the reference differential impedance value is between 85 ohm to 115 ohm.
In one embodiment, some first type conducting terminals include some first kind conducting terminals;If Dry Equations of The Second Kind conducting terminal, the lateral cross section of the first elastic arm portion of each first kind conducting terminal and every 1 the The lateral cross section of first elastic arm portion of two class conducting terminals in the insulation shell described some first Formed in terminal slotted eye along the orientation and be staggered front to back arrangement, and some first kind conducting ends First free end of sub and described some Equations of The Second Kind conducting terminals forms conllinear or copline row Row.
In one embodiment, each two is interlocked first elastic arm of the adjacent first kind conducting terminal Overlapping area relative to each other is less than institute between portion and first elastic arm portion of the Equations of The Second Kind conducting terminal First elastic arm portion and the Equations of The Second Kind for stating two adjacent first kind conducting terminals that interlock are conductive The surface area of the first elastic arm portion any of which of terminal.
In one embodiment, the center line of the lateral cross section of the first elastic arm portion of each first kind conducting terminal One is formed between the center line of the lateral cross section of first elastic arm portion of each Equations of The Second Kind conducting terminal inclined Move distance.
In one embodiment, high-frequency electric connecter also includes some 3rd type conducting terminals, is embedded at respectively In some third terminal slotted eyes of the insulation shell, every one the 3rd type conducting terminal has one the 3rd welding Portion, one the 3rd elastic arm portion, a bending contact site and one the 3rd free end, from the 3rd weld part to Length between 3rd free end be more than from the first weld part described in the first type conducting terminal to Length between first free end.
In the second embodiment of the present invention, disclosing a kind of high-frequency electric connecter includes insulation shell, respectively shape Into some the first terminal slotted eyes and some Second terminal slotted eyes along a direction spread configuration in the insulation In housing;Some first type conducting terminals, are embedded at some first ends of the insulation shell respectively In pilot trench hole, every one first type conducting terminal also includes one first elastic arm portion and one first contact site, institute State that the first contact site is connected to first elastic arm portion with an angle and Yu Yimo slightly forms one first free end Portion, every one first type conducting terminal also includes:Some first kind conducting terminals;And some Equations of The Second Kind are conductive Terminal, its structure is different from some first kind conducting terminals, the first of each first kind conducting terminal The lateral cross section of the lateral cross section of elastic arm portion and first elastic arm portion of each Equations of The Second Kind conducting terminal is in institute State in some the first terminal slotted eyes of insulation shell along the orientation formation row of being staggered front to back Row, and the first free end of some first kind conducting terminals and some Equations of The Second Kind conducting terminals Portion forms the arrangement of conllinear or copline;And some Second-Type conducting terminals, the insulation is embedded at respectively In some Second terminal slotted eyes of housing.
In one embodiment, high-frequency electric connecter for a kind of nonmetallic masking SATA types electric connector, Any electric connector in SAS-3 type electric connectors and combinations thereof.
In one embodiment, first is formed between the side of adjacent the first type conducting terminal of each two Second edge is formed between Edge Distance, and the side of the adjacent Second-Type conducting terminal of each two Distance, wherein second edge distance is more than the first edge distance.
In one embodiment, some first type conducting terminals and some Second-Type conducting terminals For blanking type terminal structure.
In one embodiment, each Second-Type conducting terminal also connects including one second elastic arm portion and one second Contact portion, second contact site is connected to second elastic arm portion with an angle and Yu Yimo slightly forms one Two free ends.
In one embodiment, second free end of some Second-Type conducting terminals is being electrically connected with When touching the corresponding terminal of the butt-jointed electric connector with transmitting high-frequency signals, some Second-Type conducting ends The differential impedance value of son, which is less than or equal to, refers to differential impedance value as defined in a SATA standard specification.
In one embodiment, each two is interlocked first elastic arm of the adjacent first kind conducting terminal Overlapping area relative to each other is less than institute between portion and first elastic arm portion of the Equations of The Second Kind conducting terminal First elastic arm portion and the Equations of The Second Kind for stating two adjacent first kind conducting terminals that interlock are conductive The surface area of the first elastic arm portion any of which of terminal.
In one embodiment, the center line of the lateral cross section of the first elastic arm portion of each first kind conducting terminal One is formed between the center line of the lateral cross section of first elastic arm portion of each Equations of The Second Kind conducting terminal inclined Move distance.
In one embodiment, high-frequency electric connecter also includes some 3rd type conducting terminals, is embedded at respectively In some third terminal slotted eyes of the insulation shell, every one the 3rd type conducting terminal has one the 3rd welding Portion, one the 3rd elastic arm portion, a bending contact site and one the 3rd free end, from the 3rd weld part to Length between 3rd free end be more than from the first weld part described in the first type conducting terminal to Length between first free end.
【Brief description of the drawings】
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below by the detailed of embodiment The accompanying drawing used required in explanation is described.
Fig. 1 illustrates the solid combination diagram according to first embodiment of the invention medium-high frequency electric connector.
Fig. 2 illustrates the exploded perspective view according to Fig. 1 high-frequency electric connecter in first embodiment of the invention.
Fig. 3 illustrates the sectional view of the A-A ' hatchings along Fig. 1 in foundation first embodiment of the invention.
Fig. 4 A are illustrated according to the first type conducting terminal schematic perspective view in first embodiment of the invention.
Fig. 4 B illustrate according in first embodiment of the invention two the first type conducting terminal arranged adjacents it is flat Face schematic diagram.
Fig. 5 A are illustrated according to Second-Type conducting terminal schematic perspective view in first embodiment of the invention.
Fig. 5 B illustrate according to two arranged adjacents in first embodiment of the invention Second-Type conducting terminal it Floor map.
Fig. 6 A-6C illustrate the waveform signal according to the electrical characteristic of conducting terminal in first embodiment of the invention Figure.
Fig. 7 illustrates the solid combination diagram according to second embodiment of the invention medium-high frequency electric connector.
Fig. 8 illustrates the exploded perspective view according to second embodiment of the invention medium-high frequency electric connector.
Fig. 9 illustrates the sectional view of the B-B ' hatchings along Fig. 7 in foundation second embodiment of the invention.
Figure 10 A illustrate according to arranged adjacent in second embodiment of the invention different first type conducting terminals it Schematic perspective view.
Figure 10 B illustrate the section view of the C-C ' hatchings along Figure 10 A in foundation second embodiment of the invention Figure.
Figure 10 C illustrate the waveform according to the electrical characteristic of the first type conducting terminal in second embodiment of the invention Schematic diagram.
Figure 11 A are illustrated according to Second-Type conducting terminal schematic perspective view in second embodiment of the invention.
Figure 11 B illustrate according to two arranged adjacents in second embodiment of the invention Second-Type conducting terminal it Floor map.
Figure 11 C illustrate the waveform according to the electrical characteristic of Second-Type conducting terminal in second embodiment of the invention Schematic diagram.
【Embodiment】
The solid group according to first embodiment of the invention medium-high frequency electric connector is illustrated referring to figs. 1 to 3, Fig. 1 Close schematic diagram;Fig. 2 is illustrated to be shown according to the blast of Fig. 1 high-frequency electric connecter in first embodiment of the invention It is intended to;Fig. 3 illustrates the sectional view of the A-A ' hatchings along Fig. 1 in foundation first embodiment of the invention. The high-frequency electric connecter includes insulation shell 100, some first type conducting terminals 102, some Second-Types Conducting terminal 104, some 3rd type conducting terminals 106 and circuit board 108.In one embodiment, originally The high-frequency electric connecter of invention is a kind of interconnection technique interface (SATA) types such as list type height of nonmetallic masking It is any in electric connector, list type minicomputer interface (SAS-3) type electric connector and combinations thereof to be electrically connected Connect device.It is electrically connected as shown in figure 1, high-frequency electric connecter is interconnection technique interface (SATA) types such as list type height Connect the combined interface of device and list type minicomputer interface (SAS-3) type electric connector.In Fig. 1, it is high Frequency electric connector (being, for example, terminative connector) and another butt-jointed electric connector (being, for example, Male end connector) 110 Link, to transmit high-frequency signal by some corresponding terminals 112 of butt connector 110.
As shown in FIG. 2 and 3, insulation shell 100 formed respectively some the first terminal slotted eye 114a with And some Second terminal slotted eye 114b, some the first terminal slotted eye 114a and some second ends Pilot trench hole 114b is along a direction AD spread configurations in the insulation shell 100.Some first types are led Electric terminal 102 is embedded in some the first terminal slotted eye 114a of the insulation shell 100 respectively, Every one first type conducting terminal 102 includes the first weld part 116a, the first butting section 118a, the first elastic arm Portion 120a and the first contact site 122a.
In Fig. 2 and Fig. 3, the first weld part 116a is extended to outside the rear end of insulating body 100, In one embodiment, the first weld part 116a for example using surface mount technology (SMT) welding foot position, With the welded gasket (not shown) for the circuit board 108 for being electrically connected at the rear end of insulating body 100.First butting section 118a connections the first weld part 116a, to the side wall 124 being resisted against in the insulation shell 100 On, with the fixed first type conducting terminal 102 in the insulation shell 100 it is corresponding described first In terminal slotted eye 114a.First elastic arm portion 120a is from the first butting section 118a towards the electrical connection One plug orientation ID of device extends a preset distance PD.First contact site 122a with an angle (be, for example, 90 degree, not limited to this can be any angle) it is connected to the first elastic arm portion 120a and Yu Yimo slightly shapes Into the first free end 126a, the first free end 126a along orientation AD formation the One width W1 (as shown in Figure 4 B) and the first contact site 122a is along a vertical orientation AD and plug orientation ID direction forms first thickness T1, wherein the first thickness T1 is more than The first width W1.First free end of some first type conducting terminals 102 of the present invention 126a has when the corresponding terminal 112 of a butt-jointed electric connector 110 in electrical contact is with transmitting high-frequency signals Signal attenuation amount of the effect reduction high-frequency electric connecter when transmitting the high-frequency signals.
With reference to Fig. 3,4A, 4B and 6A, Fig. 4 A are illustrated to be led according to the first type in first embodiment of the invention The schematic perspective view of electric terminal 102;Fig. 4 B illustrate conductive according to two the first types in first embodiment of the invention The floor map of the arranged adjacent of terminal 102;Fig. 6 A are illustrated according to conductive in first embodiment of the invention The waveform diagram of the electrical characteristic of terminal.In Fig. 4 A, 4B embodiment, the first type conducting terminal 102 the first contact site 122a is perpendicular to the first elastic arm portion 120a, the first free end 126a edges The corresponding terminal 112 that the vertical direction electrically contacts to butt connector 110, wherein the first contact site 122a forms first thickness T1 in the direction of the plug orientation ID.Every two the first type conducting terminals 102 The edge for forming an arrangement pitch DP and every two the first type conducting terminals 102 is separated by a first edge Apart from ED1, some first type conducting terminals 102 along the orientation AD be with mutually contour Degree arrangement, wherein arrangement pitch DP is more than first edge apart from ED1.
As shown in Figure 6A, transverse axis represents the time (picosecond, picosecond (PS)), and the longitudinal axis represents impedance value (Europe Nurse, Ohm), curve S1 represents the impedance curve of the electric connector of prior art, and curve S2 represents this hair The impedance curve of bright high-frequency electric connecter, wherein SI1 are defined as the reference differential impedance value of prior art Interval, it represents the fluctuation range of existing impedance value, and SI2 is defined as the high-frequency electric connecter of the present invention Differential impedance value is interval, and it represents the fluctuation range of the impedance value of the present invention, because differential impedance value is interval It is interval less than with reference to differential impedance value so that the fluctuation range of the interval impedance value of the differential impedance value compared with It is small, therefore the impedance matching of the first type conducting terminal 102 of the high-frequency electric connecter of the present invention is preferable;It should note Meaning, one of as shown in Figure 6A embodiment, the interval impedance value system of the differential impedance value is between 94 Ohm, between 112 ohm, (is, for example, 85 ohm to 115 all in impedance critical value as defined in standard specification Within ohm), therefore the impedance matching of high-frequency electric connecter can be improved.In one embodiment, it is described some The differential impedance value of first type conducting terminal 102 is less than or equal to the standard specification rule for meeting more than SAS-3 Fixed reference differential impedance value, it is possible to decrease the signal attenuation amount of the high-frequency signals.As described above, The configuration mode that the high-frequency electric connecter of the present invention is adjusted by between the first type conducting terminal 102 makes high frequency Preferably impedance matching condition is formed between electric connector and butt-jointed electric connector 110, i.e. from docking The high-frequency signals of electric connector 110 are sent to after an electronic installation (non-icon) by high-frequency electric connecter, The decay of its high-frequency signals is less than a critical value (threshold value) so that signal strength is in transmitting procedure In will not excessive wear, improve the transmission quality of the high-frequency signals of the high-frequency electric connecter.
With reference to Fig. 2,5A, 5B and 6A, Fig. 5 A are illustrated to be led according to Second-Type in first embodiment of the invention The schematic perspective view of electric terminal 104;Fig. 5 B are illustrated according to two arranged adjacents in first embodiment of the invention The floor map of Second-Type conducting terminal 104.Some Second-Type conducting terminals 104 are embedded at institute respectively In some Second terminal slotted eye 114b for stating insulation shell 100.Each Second-Type conducting terminal 104 Including the second weld part 116b, the second butting section 118b, the second elastic arm portion 120b and the second contact site 122b.Second weld part 116b is to extend to outside the insulating body 100, with fixed described second Type conducting terminal 104 is in the corresponding Second terminal slotted eye 114b of the insulation shell 100.The Two butting section 118b extend from the second weld part 116b, to against the Second-Type terminal slotted eye 114b side wall (not shown), with the fixed Second-Type conducting terminal 104 in the insulation shell 100 Second terminal slotted eye 114b in.Second elastic arm portion 120b is from the second butting section 118b towards described One plug orientation ID of electric connector extends a preset distance (not shown).Second contact site 122b is with one Angle (being, for example, 90 degree, not limited to this can be any angle) is connected to the second elastic arm portion 120b And Yu Yimo slightly forms one second free end 126b, the second free end 126b along the row Column direction AD forms one second width W2 and the second contact site 122b along a vertical row Column direction AD and plug orientation ID direction forms a second thickness T2, wherein described second is thick Spend T2 and be more than the second width W2.
In Fig. 5 A, 5B embodiment, the second contact site 122b of Second-Type conducting terminal 104 is vertical In the second elastic arm portion 120b, the second free end 126b is electrically contacted to along the vertical direction The corresponding terminal 112 of butt connector 110, wherein the second contact site 122b is in the plug orientation ID Direction form second thickness T2.The arrangement pitch DP of formation one of every two Second-Type conducting terminals 104 And the edge of every two Second-Type conducting terminals 104 is separated by second edge apart from ED2, described some Two type conducting terminals 104 along the orientation AD be to be arranged with double altitudes, wherein arrangement pitch DP is more than second edge apart from ED2.Described the second of wherein described some Second-Type conducting terminals 104 is certainly By end 126b when the corresponding terminal of the butt-jointed electric connector in electrical contact is with transmitting high-frequency signals, institute The differential impedance value for stating some Second-Type conducting terminals 104 is less than or equal to as defined in SATA standard specification With reference to differential impedance value.
As shown in Fig. 4 A, 4B, 5A, 5B, adjacent the first type conducting terminal 102 of each two First edge is formed between side apart from ED1, and the adjacent Second-Type conducting terminal 104 of each two Side between form second edge apart from ED2, wherein the second edge is more than described the apart from ED2 One Edge Distance ED1.In one embodiment, the first type conducting terminal of the high-frequency electric connecter of the present invention 102 and Second-Type conducting terminal 104 be blanking type terminal structure.
With reference to Fig. 6 B-6C, its illustrate according to conducting terminal in first embodiment of the invention electrical characteristic it Waveform diagram.As shown in Figure 6B, transverse axis represents frequency (Ghz), and the longitudinal axis represents insertion loss value (insertion Loss), its unit is decibel (decibel, dB), and system is defined as standard when wherein insertion loss value is equal to -1dB Insertion loss value SS1, when the insertion loss value of conducting terminal is more than standard insertion loss value SS1, table Show that the interference of cross-talk (crosstalk) is smaller, signal quality is better;If conversely, insertion loss value is less than mark During quasi- insertion loss value SS1, represent that the interference of cross-talk (crosstalk) is bigger, signal quality is poorer.As schemed Shown in 6B, the curve CR1 corresponding to conducting terminal of the invention can keep conductive in 6.8Ghz, still The insertion loss value of terminal is equal to or more than standard insertion loss value SS1, but existing conducting terminal Corresponding curve CR2 is in 6.8Ghz, and the insertion loss value (about -1.5dB) of conducting terminal is less than standard Insertion loss value SS1, therefore the electric connector of the present invention can improve the cross-talk problem of existing electric connector. As shown in Figure 6 C, transverse axis represents frequency (Ghz), and the longitudinal axis represents to return to penalty values (return loss), its list Position is decibel (decibel, dB), and it is that the standard that is defined as returns to penalty values to return to penalty values to be equal to -12dB, when When the return penalty values of conducting terminal are less than standard return penalty values SS2, the dry of cross-talk (crosstalk) is represented Disturb smaller, signal quality is better;If conversely, return penalty values be more than standard return penalty values SS2 when, Represent that the interference of cross-talk (crosstalk) is bigger, signal quality is poorer, as shown in Figure 6 C, and of the invention leads Curve CR3 corresponding to electric terminal can still keep the return penalty values of conducting terminal small in 5.8Ghz Penalty values SS2 is returned in standard, but the curve CR4 corresponding to existing conducting terminal is in 5.8Ghz When, the return penalty values (about -10dB) of conducting terminal are more than standard and return to penalty values SS2, therefore according to figure Shown in 6B-6C, electric connector of the invention can improve the cross-talk problem of existing electric connector.
With continued reference to Fig. 2, high-frequency electric connecter also includes some 3rd type conducting terminals 106, is embedded respectively In some third terminal slotted eye 114c of the insulation shell, every one the 3rd type conducting terminal 106 has 3rd weld part 116c, the 3rd elastic arm portion 120c, the bending free end 126c of contact site 117 and 1 the 3rd, It is more than from the length the 3rd weld part 116c to the 3rd free end 126c from described the Length between first weld part 116c described in one type conducting terminal 102 to the first free end 126c Degree.In one embodiment, the arrangement pitch DP of some 3rd type conducting terminals 106 is more than second Between the arrangement pitch DP of type conducting terminal 104, and the arrangement of some Second-Type conducting terminals 104 It is more than the arrangement pitch DP of the first type conducting terminal 102 every DP.
With reference to Fig. 7 to 9 and Figure 10 A, 10B, Fig. 7 is illustrated according to second embodiment of the invention medium-high frequency The solid combination diagram of electric connector;Fig. 8 is illustrated according to the electrical connection of second embodiment of the invention medium-high frequency The exploded perspective view of device;Fig. 9 is illustrated according to the B-B ' sections in second embodiment of the invention along Fig. 7 The sectional view of line.Figure 10 A are illustrated to be led according to different first types of arranged adjacent in second embodiment of the invention The schematic perspective view of electric terminal 202.Figure 10 B are illustrated in foundation second embodiment of the invention along Figure 10 A C-C ' hatchings sectional view.The high-frequency electric connecter includes insulation shell 100, some first types Conducting terminal 202, some Second-Type conducting terminals 104, some 3rd type conducting terminals 106 and circuit Plate 108.The high frequency that the high-frequency electric connecter of second embodiment of the invention is similar to first embodiment is electrically connected Device, it is real that its difference is that the structure of some first type conducting terminals 102 of second embodiment is different from first Apply the structure of some first type conducting terminals 202 of example.
As shown in Fig. 8,9,10A, 10B, the insulation shell 100 forms some the first terminals respectively Slotted eye 114a and some Second terminal slotted eye 114b, some the first terminal slotted eye 114a and institute Some Second terminal slotted eye 114b are stated along a direction AD spread configurations in the insulation shell 100. Some first type conducting terminals 202 are embedded at some the first terminals of the insulation shell 100 respectively In slotted eye 114a, every one first type conducting terminal 202 includes the first weld part 116a, the first butting section 118a, the first elastic arm portion 120a and the first contact site 122a, the first weld part 116a extend to described Outside the rear end of insulating body 100.In one embodiment, the first weld part 116a is for example using surface mount The welding foot position of technology (SMT), with the weldering for the circuit board 108 for being electrically connected at the rear end of insulating body 100 Connection pad (not shown).First butting section 118a connections the first weld part 116a, it is described to be resisted against On side wall 124 in insulation shell 100, with the fixed first type conducting terminal 202 in the insulation In the corresponding the first terminal slotted eye 114a of housing 100.The first contact site 122a is with one jiao Degree is connected to the first elastic arm portion 120a and slightly forms the first free end 126a in end.
As shown in Fig. 8,9,10A, 10B, every one first type conducting terminal of second embodiment of the invention 202 include some first kind conducting terminal 202a and some Equations of The Second Kind conducting terminal 202b.Every one second Class conducting terminal 202b structure is different from each first kind conducting terminal 202a structure, every one first Class conducting terminal 202a the first elastic arm portion 120a lateral cross section and each Equations of The Second Kind conducting terminal 202b The first elastic arm portion 120a lateral cross section in the first terminal slotted eye 114a of the insulation shell 100 Formed along the orientation AD and be staggered front to back arrangement, and some first kind conducting terminal 202a And the first free end 126a of some Equations of The Second Kind conducting terminal 202b forms conllinear or copline Arrangement, so that some first kind conducting terminal 202a and some Equations of The Second Kind conducting terminal 202b The first free end 126a simultaneously each corresponding terminal 112 in electrical contact.Each two is interlocked adjacent institute State the of first kind conducting terminal 202a the first elastic arm portion 120a and the Equations of The Second Kind conducting terminal 202b Overlapping area OA relative to each other is less than described two staggeredly adjacent described the between one elastic arm portion 120a One class conducting terminal 202a the first elastic arm portion 120a and Equations of The Second Kind conducting terminal 202b institute The surface area AA of the first elastic arm portion 120a any of which is stated, to adjust some first kind conducting terminals Electric capacity and impedance between 202a and some Equations of The Second Kind conducting terminal 202b, such as in identical In the case of surface area AA, overlapping area OA is got over hour, and the electric capacity is smaller, in another example identical Overlapping area OA in the case of, when surface area AA is bigger, the impedance is smaller.Each first kind The center line of conducting terminal 202a the first elastic arm portion 120a lateral cross section and each Equations of The Second Kind conducting end An offset distance is formed between the center line of sub- 202b the first elastic arm portion 120a lateral cross section OD, wherein the offset distance OD and the negatively correlated property of the overlapping area OA.
Figure 10 C illustrate according to the first type conducting terminal 202 in second embodiment of the invention electrical characteristic it Waveform diagram.As illustrated in figure 10 c, transverse axis represents the time (picosecond/PS), and the longitudinal axis represents impedance value (Europe Nurse, Ohm), curve S3 represents the impedance curve of the high-frequency electric connecter of the present invention, wherein the curve S3 is located at interval corresponding different impedance value of different continuous times, and each time interval includes the very first time Interval TD1 (being, for example, terminative connector), interaction time interval TDA (being, for example, male end and terminative connector) And the second time interval TD2 (being, for example, Male end connector).In very first time interval TD1, SI31 The first differential impedance value for the high-frequency electric connecter of the present invention is interval, the first differential impedance value interval SI31 It is that it is defined with the upper limit (UT) and the first lower limit (LT1);SI32 is the second of the high-frequency electric connecter of the present invention Differential impedance value is interval, and the second differential impedance value interval SI32 is with the upper limit (UT) and the second lower limit (LT2) Define it.First differential impedance value interval SI31, the upper limit (UT), the first lower limit (LT1), the second differential resistance Anti- value interval SI32 and the second lower limit (LT2), all (be, for example, in impedance critical value as defined in standard specification Within 85 ohm to 115 ohm, but not limited to this, such as bigger impedance value, such as 75 ohm to 125 Ohm), therefore the impedance matching of the first type conducting terminal 202 of the high-frequency electric connecter of the present invention is preferably, with Reduce the signal attenuation amount of the high-frequency signals.As described above, the present invention high-frequency electric connecter by Make high-frequency electric connecter and butt-jointed electric connector by adjusting the configuration mode between the first type conducting terminal 202 Preferably impedance matching condition is formed between 110, in the embodiment as shown in Fig. 9,10C, is adjusted by Surface area AA and overlapping area OA ratio, make the first differential impedance value interval SI31, the upper limit (UT), First lower limit (LT1), the second differential impedance value interval SI32 and the second lower limit (LT2), all in standard gauge Critical value as defined in lattice so that the high-frequency signals from butt-jointed electric connector 110 pass through high-frequency electric connecter It is sent to after an electronic installation (non-icon), the decay of its high-frequency signals is less than a critical value (threshold Value) so that signal strength in transmitting procedure will not excessive wear, improve the high-frequency electric connecter High-frequency signals transmission quality.
With reference to Fig. 7 and 11A to 11C, Figure 11 A are illustrated according to Second-Type in second embodiment of the invention The schematic perspective view of conducting terminal 204;Figure 11 B are illustrated according to two adjacent rows in second embodiment of the invention The floor map of the Second-Type conducting terminal 204 of row;Figure 11 C are illustrated according to second embodiment of the invention The waveform diagram of the electrical characteristic of middle Second-Type conducting terminal 204.Some Second-Type conducting terminals 204 It is embedded at respectively in some Second terminal slotted eye 114b of the insulation shell 100.Second embodiment Second-Type conducting terminal 204 be similar to the Second-Type conducting terminal 104 of first embodiment, its difference exists It is different from first in the second contact site 122b1 of some Second-Type conducting terminals 204 of second embodiment real Apply the second contact site 122b of some Second-Type conducting terminals 104 of example.Second-Type conducting terminal 204 Second contact site 122b1 curved angle be more than Second-Type conducting terminal 104 the second contact site 122b it Curved angle so that the second contact site 122b1 of Second-Type conducting terminal 204 is along orientation AD Area be less than Second-Type conducting terminal 104 the second contact site 122b area.
Figure 11 C illustrate according to Second-Type conducting terminal 204 in second embodiment of the invention electrical characteristic it Waveform diagram.As shown in Figure 11 C, transverse axis represents the time (picosecond/PS), and the longitudinal axis represents impedance value (Europe Nurse, Ohm), curve S4 represents the impedance curve of the high-frequency electric connecter of the present invention, and SI4 is defined as this hair The differential impedance value of bright high-frequency electric connecter is interval, wherein the curve S4 is located at different continuous times Interval corresponding different impedance value, it (is, for example, that female end connects that each time interval, which includes very first time interval TD1, Connect device), interaction time interval TDA (be, for example, male end and terminative connector) and the second time interval TD2 (being, for example, Male end connector).In very first time interval TD1, SI43 is high-frequency electrical of the invention 3rd differential impedance value of connector is interval, and the first differential impedance value interval SI43 is with the upper limit (UT) and the One lower limit (LT1) defines it;SI44 is interval for the 4th differential impedance value of the high-frequency electric connecter of the present invention, 4th differential impedance value interval SI44 is to define it with the upper limit (UT) and the second lower limit (LT2), the 3rd differential resistance Anti- value interval SI43, the upper limit (UT), the first lower limit (LT1), the 4th differential impedance value interval SI44 and Second lower limit (LT2), (is, for example, 85 ohm to 115 ohm all in impedance critical value as defined in standard specification Within, but not limited to this, such as bigger impedance value, such as 75 ohm to 125 ohm), therefore it is of the invention High-frequency electric connecter Second-Type conducting terminal 204 impedance matching it is preferable;In one embodiment, institute The differential impedance value for stating some Second-Type conducting terminals 204 is less than or equal to the standard for meeting more than SAS-3 Differential impedance value is referred to as defined in specification, it is possible to decrease the signal attenuation amount of the high-frequency signals.As above Described, high-frequency electric connecter of the invention is adjusted by the configuration mode between Second-Type conducting terminal 204 (such as the second contact site 122b1 and/or the second free end 126b position in electrical contact) makes high frequency be electrically connected Connect and preferably impedance matching condition is formed between device and butt-jointed electric connector 110, i.e. be electrically connected from docking The high-frequency signals for connecing device 110 are sent to after an electronic installation (non-icon) by high-frequency electric connecter, and it is high The decay of frequency signal is less than a critical value so that signal strength will not consume too big in transmitting procedure, with Improve the transmission quality of the high-frequency signals of the high-frequency electric connecter.
In summary, the differential impedance value interval of the high-frequency electric connecter solution conducting terminal of the present invention is less than It is interval with reference to differential impedance value, to improve the impedance matching of high-frequency electric connecter.And avoid conducting end The interference problem of cross-talk (crosstalk) is formed between son.
Although the present invention is disclosed above with preferred embodiment, its right Bing is not used to limit the present invention, this hair Bright those of ordinary skill in the art, without departing from the spirit and scope of the present invention, when can It is used for a variety of modifications and variations, therefore protection scope of the present invention is when regarding appended claims scope institute circle The person of determining is defined.

Claims (22)

1. a kind of high-frequency electric connecter, it is characterised in that including:
One insulation shell, forms some the first terminal slotted eyes and some Second terminal slotted eyes along one respectively Direction spread configuration is in the insulation shell;
Some first type conducting terminals, are embedded at some first end pilot trench of the insulation shell respectively Kong Zhong, every one first type conducting terminal includes:
First weld part, to extend to outside the insulating body;
First butting section, connects first weld part, to the side being resisted against in the insulation shell On wall, with the fixed first type conducting terminal in the corresponding institute of the insulation shell State in the first terminal slotted eye;
First elastic arm portion, extends from first butting section towards a plug orientation of the electric connector One preset distance;And
First contact site, is connected to first elastic arm portion with an angle and Yu Yimo slightly forms one first Free end, it is wide that first free end forms one first along the orientation Degree and first contact site are along a vertical orientation and the plug side To direction form a first thickness, wherein the first thickness be more than it is described first wide Degree;And
Some Second-Type conducting terminals, are embedded at some Second terminal grooves of the insulation shell respectively Kong Zhong;
Some first free ends of wherein described some first type conducting terminals are at a pair in electrical contact When connecing the corresponding terminal of electric connector with transmitting high-frequency signals, to reduce the high-frequency electric connecter in biography Signal attenuation amount during the defeated high-frequency signals.
2. high-frequency electric connecter according to claim 1, it is characterised in that the high frequency electrical connection Device is interconnection technique interface (SATA) type electric connector, the list types such as a kind of list type height of nonmetallic masking Any electric connector in minicomputer interface (SAS-3) type electric connector and combinations thereof.
3. high-frequency electric connecter according to claim 1, it is characterised in that some first types The differential impedance value of conducting terminal is less than or equal to the standard specification rule for meeting list type minicomputer interface Fixed reference differential impedance value, to reduce the signal attenuation amount of the high-frequency signals.
4. high-frequency electric connecter according to claim 1, it is characterised in that the adjacent institute of each two State and first edge distance formed between the side of the first type conducting terminal, and each two it is adjacent described the Second edge distance is formed between the side of two type conducting terminals, wherein second edge distance is more than institute State first edge distance.
5. high-frequency electric connecter according to claim 1, it is characterised in that each Second-Type is conductive Terminal includes:
Second weld part, to extend to outside the insulating body;
Second butting section, from second weld part extension, to against the Second-Type terminal slotted eye Side wall, with the fixed Second-Type conducting terminal in the corresponding terminal slotted eye of the insulation shell;
Second elastic arm portion, from second butting section towards a plug orientation of electric connector extension one Preset distance;And
Second contact site, is connected to second elastic arm portion with an angle and Yu Yimo slightly forms one second certainly By end, second free end forms one second width and described second along the orientation Direction of the contact site along a vertical orientation and the plug orientation forms a second thickness, its Described in second thickness be more than second width.
6. the high-frequency electric connecter according to any one of claim 1 or 5, it is characterised in that described Some first type conducting terminals and some Second-Type conducting terminals are blanking type terminal structure.
7. high-frequency electric connecter according to claim 6, it is characterised in that some Second-Types Second free end of conducting terminal is in the corresponding terminal of the butt-jointed electric connector in electrical contact to pass During defeated high-frequency signals, the differential impedance value of some Second-Type conducting terminals is less than or equal to a list type Differential impedance value is referred to as defined in high interconnection technique interface standard specification.
8. the high-frequency electric connecter according to any one of claim 3 or 7, it is characterised in that described With reference to differential impedance value between 85 ohm to 115 ohm.
9. high-frequency electric connecter according to claim 1, it is characterised in that some first types Conducting terminal includes:
Some first kind conducting terminals;
Some Equations of The Second Kind conducting terminals, the lateral cross section of the first elastic arm portion of each first kind conducting terminal with If the lateral cross section of first elastic arm portion of each Equations of The Second Kind conducting terminal is described in the insulation shell Formed in dry the first terminal slotted eye along the orientation and be staggered front to back arrangement, and some first kind First free end of conducting terminal and some Equations of The Second Kind conducting terminals forms conllinear or flat altogether Face is arranged.
10. high-frequency electric connecter according to claim 9, it is characterised in that each two is interlocked phase Described the of first elastic arm portion of the adjacent first kind conducting terminal and the Equations of The Second Kind conducting terminal Overlapping area relative to each other is less than described two first kind conductions for interlocking adjacent between one elastic arm portion First elastic arm portion of terminal and the first elastic arm portion any of which of the Equations of The Second Kind conducting terminal Surface area.
11. high-frequency electric connecter according to claim 9, it is characterised in that each first kind is led The center line of the lateral cross section of first elastic arm portion of electric terminal and described the first of each Equations of The Second Kind conducting terminal An offset distance is formed between the center line of the lateral cross section of elastic arm portion.
12. high-frequency electric connecter according to claim 1, it is characterised in that also including some Three type conducting terminals, are embedded in some third terminal slotted eyes of the insulation shell respectively, and every one the 3rd Type conducting terminal has one the 3rd weld part, one the 3rd elastic arm portion, a bending contact site and one the 3rd freely End, is more than from first type from the 3rd weld part to the length the 3rd free end First weld part described in conducting terminal is to the length between first free end.
13. a kind of high-frequency electric connecter, it is characterised in that including:
One insulation shell, forms some the first terminal slotted eyes and some Second terminal slotted eyes along one respectively Direction spread configuration is in the insulation shell;
Some first type conducting terminals, are embedded at some first end pilot trench of the insulation shell respectively Kong Zhong, every one first type conducting terminal also includes one first elastic arm portion and one first contact site, described the One contact site is connected to first elastic arm portion with an angle and Yu Yimo slightly forms one first free end, Every one first type conducting terminal also includes:
Some first kind conducting terminals;And
Some Equations of The Second Kind conducting terminals, its structure is different from some first kind conducting terminals, each The lateral cross section of first elastic arm portion of first kind conducting terminal and each Equations of The Second Kind conducting end The lateral cross section of first elastic arm portion of son in the insulation shell described some the Formed in one terminal groove hole along the orientation and be staggered front to back arrangement, and if described First free end of dry first kind conducting terminal and some Equations of The Second Kind conducting terminals Portion forms the arrangement of conllinear or copline;And
Some Second-Type conducting terminals, are embedded at some Second terminal grooves of the insulation shell respectively Kong Zhong.
14. the high-frequency electric connecter according to claim 13, it is characterised in that the high frequency is electrically connected Connect device small-sized for interconnection technique interface type electric connector, list types such as a kind of list type height of nonmetallic masking Any electric connector in computer interface type electric connector and combinations thereof.
15. the high-frequency electric connecter according to claim 13, it is characterised in that each two is adjacent First edge distance, and adjacent described of each two are formed between the side of the first type conducting terminal Second edge distance is formed between the side of Second-Type conducting terminal, wherein the second edge distance is more than The first edge distance.
16. the high-frequency electric connecter according to claim 13, it is characterised in that described some first Type conducting terminal and some Second-Type conducting terminals are blanking type terminal structure.
17. the high-frequency electric connecter according to claim 16, it is characterised in that each Second-Type is led Electric terminal also includes one second elastic arm portion and one second contact site, and second contact site is connected with an angle It is connected to second elastic arm portion and Yu Yimo slightly forms one second free end.
18. the high-frequency electric connecter according to claim 17, it is characterised in that described some second Second free end of type conducting terminal the butt-jointed electric connector in electrical contact corresponding terminal with During transmitting high-frequency signals, the differential impedance value of some Second-Type conducting terminals is less than or equal to a sequence Differential impedance value is referred to as defined in the interconnection technique interface standard such as formula high specification.
19. the high-frequency electric connecter according to claim 18, it is characterised in that described with reference to differential Impedance value is between 85 ohm to 115 ohm.
20. the high-frequency electric connecter according to claim 13, it is characterised in that each two is interlocked phase Described the of first elastic arm portion of the adjacent first kind conducting terminal and the Equations of The Second Kind conducting terminal Overlapping area relative to each other is less than described two first kind conductions for interlocking adjacent between one elastic arm portion First elastic arm portion of terminal and the first elastic arm portion any of which of the Equations of The Second Kind conducting terminal Surface area.
21. the high-frequency electric connecter according to claim 13, it is characterised in that each first kind is led The center line of the lateral cross section of first elastic arm portion of electric terminal and described the first of each Equations of The Second Kind conducting terminal An offset distance is formed between the center line of the lateral cross section of elastic arm portion.
22. the high-frequency electric connecter according to claim 13, it is characterised in that also including some Three type conducting terminals, are embedded in some third terminal slotted eyes of the insulation shell respectively, and every one the 3rd Type conducting terminal has one the 3rd weld part, one the 3rd elastic arm portion, a bending contact site and one the 3rd freely End, is more than from first type from the 3rd weld part to the length the 3rd free end First weld part described in conducting terminal is to the length between first free end.
CN201610307597.3A 2016-04-08 2016-05-11 High frequency electric connector Pending CN107275827A (en)

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CN114361836A (en) * 2021-12-27 2022-04-15 昆山宏泽电子有限公司 Anti-interference card edge connector

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Application publication date: 20171020