CN205693000U - High frequency electric connector - Google Patents

Abstract

The utility model relates to a high-frequency electric connector, including insulator housing, form several first terminal slotted holes and several second terminal slotted holes along a direction and arrange and set up in said insulator housing respectively; 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 electrical connector

【Technical field】

The utility model relates to an electric connector, in particular to a high-frequency electric connector.

【Background technique】

With the miniaturization of various data storage devices (such as hard disks) and the increasing requirements for high-speed data transmission, its exclusive high-frequency signal transmission electrical connectors such as Serial Advanced Technology Attachment (Serial Advanced Technology Attachment, SATA) The size of the type electrical connector also tends to be lighter, thinner and shorter, and it needs to accommodate a larger number of conductive terminals with different purposes. In the case of a very limited space inside the electrical connector, the arrangement density of the conductive terminals that can be accommodated is greatly challenged, because this makes it located between every two conductive terminals in the electrical connector. The arrangement pitch (that is, Pitch) is also smaller, and at the same time it is limited by the standard pitch of a specific connector; due to the above specifications, it is easy to make the impedance value of the conductive terminal change too much, resulting in the connection between the male end connector and the female end The problem of impedance matching between the connectors, so that the high-frequency signals between the male and female electrical connectors cannot be transmitted correctly.

In addition, when the high-frequency signal passes through the conductive terminals, crosstalk interference is likely to occur between adjacent conductive terminals, thereby affecting the stability of high-frequency signal transmission. Although in some existing technologies, an additional conductive sheet or shell is added to the electrical connector to electrically connect the grounding path of the electrical connector, the conductive sheet or shell is close to the grounding path that is prone to crosstalk problems. The conductive terminal can absorb the electric field or magnetic field formed by the high-frequency signal around the conductive terminal, thereby reducing crosstalk interference. However, adding a conductive sheet or a shell will relatively cost additional manufacturing costs. Therefore, it is necessary to develop a new type of electrical connector to solve the above problems.

【Content of utility model】

One object of the present invention is to provide a high-frequency electrical connector, by adjusting the differential impedance value interval of the conductive terminal to be smaller than a reference differential impedance value interval, to improve the impedance matching of the high-frequency electrical connector, and to avoid Interference problem of crosstalk between conductive terminals.

In order to achieve the above purpose, in the first embodiment of the present utility model, a high-frequency electrical connector is disclosed, which includes an insulating housing, respectively forming a plurality of first terminal slots and a plurality of second terminal slots arranged in a row along one direction In the insulating housing; a plurality of first-type conductive terminals are respectively embedded in the plurality of first terminal slots of the insulating housing, and each first-type conductive terminal includes: a first welding portion , used to extend to the outside of the insulating casing; the first abutting part, connected to the first welding part, is used to abut against the side wall inside the insulating casing to fix the first type conductive terminal in the first terminal slot corresponding to the insulating housing; the first elastic arm part extends from the first abutment part toward a plugging and pulling direction of the electrical connector. a predetermined distance; and a first contact portion, which is connected to the first elastic arm portion at an angle and forms a first free end portion at one end, and the first free end portion forms a first free end portion along the alignment direction. A width and the first contact portion form a first thickness along a direction perpendicular to the arrangement direction and the plugging direction, wherein the first thickness is greater than the first width; and a plurality of second-type conductive Terminals are respectively embedded in the plurality of second terminal slots of the insulating housing; wherein the plurality of first free ends of the plurality of first-type conductive terminals are in electrical contact with a mating electrical connector When the corresponding terminal is used to transmit high-frequency signals, it is used to reduce the signal attenuation of the high-frequency electrical connector when transmitting the high-frequency signals.

In one embodiment, the high-frequency electrical connector is a non-metallic shielded serial advanced connection technology interface (SATA) type electrical connector, serial small computer interface (Serial Attached Small Computer System Interface, SAS) (such as the third Generation SAS, earlier or newer generation SAS) type electrical connectors and any combination thereof.

In one embodiment, the differential impedance value of the plurality of first-type conductive terminals is less than or equal to the reference differential impedance value specified in the standard specification above SAS-3, so as to reduce the signal attenuation of the high-frequency signal quantity.

In one embodiment, a first edge distance is formed between every two adjacent sides of the first-type conductive terminals, and a first edge distance is formed between every two adjacent sides of the second-type conductive terminals. a second edge distance, wherein the second edge distance is greater than the first edge distance.

In one embodiment, each second-type conductive terminal includes: a second welding portion, used to extend out of the insulating housing; a second abutting portion, extending from the second welding portion, for butt against the side wall of the second-type terminal slot to fix the second-type conductive terminal in the corresponding terminal slot of the insulating housing; The portion extends a predetermined distance toward a plugging and unplugging direction of the electrical connector; and the second contact portion is connected to the second elastic arm portion at an angle and forms a second free end portion at one end, so The second free end portion forms a second width along the alignment direction and the second contact portion forms a second thickness along a direction perpendicular to the alignment direction and the plugging direction, wherein the first A second thickness is greater than the second width.

In one embodiment, the plurality of first-type conductive terminals and the plurality of second-type conductive terminals are blanking-type terminal structures.

In one embodiment, when the second free ends of the plurality of second-type conductive terminals electrically contact the corresponding terminals of the mating electrical connector to transmit high-frequency signals, the plurality of second-type conductive terminals The differential impedance value is less than or equal to a reference differential impedance value specified in the SATA standard specification.

In one embodiment, the reference differential impedance value is between 85 ohms and 115 ohms.

In one embodiment, the plurality of first-type conductive terminals includes a plurality of first-type conductive terminals; The transverse sections of the first elastic arm parts of the similar conductive terminals form a front and rear staggered arrangement along the arrangement direction in the plurality of first terminal slots of the insulating housing, and the plurality of first conductive terminals The terminals and the first free ends of the plurality of second-type conductive terminals form a collinear or coplanar arrangement.

In an embodiment, the relative weight between the first elastic arm portions of the first type conductive terminals and the first elastic arm portions of the second type conductive terminals that are adjacent to each other alternately The overlapping area is smaller than the surface area of any one of the first elastic arm portions of the two adjacent first-type conductive terminals and the first elastic arm portions of the second-type conductive terminals.

In one embodiment, a centerline of the transverse section of the first elastic arm portion of each first type conductive terminal is formed between a centerline of the transverse section of the first elastic arm portion of each second type conductive terminal. An offset distance.

In one embodiment, the high-frequency electrical connector further includes a plurality of third-type conductive terminals respectively embedded in a plurality of third-terminal slot holes of the insulating housing, and each third-type conductive terminal has a third Welding part, a third elastic arm part, a bent contact part and a third free end part, the length from the third welding part to the third free end part is longer than that from the first type conductive The length between the first welding part and the first free end of the terminal.

In the second embodiment of the present utility model, a high-frequency electrical connector is disclosed, which includes an insulating shell, and a plurality of first terminal slots and a plurality of second terminal slots are respectively formed in the insulating shell along a direction. In the casing; a plurality of first-type conductive terminals are respectively embedded in the plurality of first terminal slots of the insulating casing, and each first-type conductive terminal also includes a first elastic arm portion and a first A contact portion, the first contact portion is connected to the first elastic arm portion at an angle and forms a first free end portion at one end, each first-type conductive terminal also includes: a plurality of first-type conductive terminals terminals; and a number of second-type conductive terminals, which are different in structure from the first-type conductive terminals, and the transverse section of the first spring arm portion of each first-type conductive terminal is the same as that of each second-type conductive terminal. The transverse section of the first elastic arm part forms a front and back staggered arrangement along the arrangement direction in the plurality of first terminal slot holes of the insulating housing, and the plurality of first-type conductive terminals and the plurality of first-type conductive terminals The first free ends of the second-type conductive terminals form a collinear or co-planar arrangement; and a plurality of second-type conductive terminals are respectively embedded in the plurality of second terminal slots of the insulating casing.

In one embodiment, the high-frequency electrical connector is any one of a non-metallic shielded SATA electrical connector, a SAS-3 electrical connector and a combination thereof.

In one embodiment, a first edge distance is formed between every two adjacent sides of the first-type conductive terminals, and a first edge distance is formed between every two adjacent sides of the second-type conductive terminals. a second edge distance, wherein the second edge distance is greater than the first edge distance.

In one embodiment, the plurality of first-type conductive terminals and the plurality of second-type conductive terminals are blanking-type terminal structures.

In one embodiment, each second-type conductive terminal further includes a second elastic arm portion and a second contact portion, and the second contact portion is connected to the second elastic arm portion at an angle and at an end A second free end is slightly formed.

In one embodiment, when the second free ends of the plurality of second-type conductive terminals electrically contact the corresponding terminals of the mating electrical connector to transmit high-frequency signals, the plurality of second-type conductive terminals The differential impedance value is less than or equal to a reference differential impedance value specified in the SATA standard specification.

In an embodiment, the relative weight between the first elastic arm portions of the first type conductive terminals and the first elastic arm portions of the second type conductive terminals that are adjacent to each other alternately The overlapping area is smaller than the surface area of any one of the first elastic arm portions of the two adjacent first-type conductive terminals and the first elastic arm portions of the second-type conductive terminals.

In one embodiment, a centerline of the transverse section of the first elastic arm portion of each first type conductive terminal is formed between a centerline of the transverse section of the first elastic arm portion of each second type conductive terminal. An offset distance.

In one embodiment, the high-frequency electrical connector further includes a plurality of third-type conductive terminals respectively embedded in a plurality of third-terminal slot holes of the insulating housing, and each third-type conductive terminal has a third Welding part, a third elastic arm part, a bent contact part and a third free end part, the length from the third welding part to the third free end part is longer than that from the first type conductive The length between the first welding part and the first free end of the terminal.

【Description of drawings】

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will introduce the accompanying drawings required in the detailed description of the embodiments.

FIG. 1 is a schematic perspective view of a three-dimensional assembly of a high-frequency electrical connector according to a first embodiment of the present invention.

FIG. 2 is a schematic exploded view of the high-frequency electrical connector in FIG. 1 according to the first embodiment of the present invention.

FIG. 3 is a cross-sectional view along line A-A' of FIG. 1 according to the first embodiment of the present invention.

FIG. 4A is a schematic perspective view of the first type of conductive terminal according to the first embodiment of the present invention.

4B is a schematic plan view of two first-type conductive terminals arranged adjacent to each other according to the first embodiment of the present invention.

FIG. 5A is a schematic perspective view of a second type of conductive terminal according to the first embodiment of the present invention.

5B is a schematic plan view of two adjacently arranged second-type conductive terminals according to the first embodiment of the present invention.

6A-6C are schematic waveform diagrams illustrating the electrical characteristics of the conductive terminals according to the first embodiment of the present invention.

FIG. 7 is a schematic perspective view of a three-dimensional combination of a high-frequency electrical connector according to a second embodiment of the present invention.

FIG. 8 is a schematic diagram showing the explosion of the high-frequency electrical connector according to the second embodiment of the present invention.

FIG. 9 is a cross-sectional view along the line B-B' of FIG. 7 according to the second embodiment of the present invention.

FIG. 10A is a schematic perspective view of different first-type conductive terminals arranged adjacently according to the second embodiment of the present invention.

FIG. 10B is a cross-sectional view along line CC' of FIG. 10A according to the second embodiment of the present invention.

FIG. 10C is a schematic waveform diagram of the electrical characteristics of the first-type conductive terminal according to the second embodiment of the present invention.

FIG. 11A is a schematic perspective view of a second-type conductive terminal according to the second embodiment of the present invention.

11B is a schematic plan view of two adjacently arranged second-type conductive terminals according to the second embodiment of the present invention.

FIG. 11C is a schematic waveform diagram of the electrical characteristics of the second-type conductive terminal according to the second embodiment of the present invention.

【detailed description】

Referring to Figures 1 to 3, Figure 1 shows a schematic diagram of a three-dimensional combination of a high-frequency electrical connector according to the first embodiment of the present invention; Figure 2 shows a schematic diagram of the high-frequency electrical connector in Figure 1 according to the first embodiment of the present invention Explosion schematic diagram; FIG. 3 shows a cross-sectional view along the AA' section line of FIG. 1 according to the first embodiment of the present invention. The high-frequency electrical connector includes an insulating housing 100 , a plurality of first-type conductive terminals 102 , a plurality of second-type conductive terminals 104 , a plurality of third-type conductive terminals 106 and a circuit board 108 . In one embodiment, the high-frequency electrical connector of the present utility model is a non-metal shielded serial advanced connection technology interface (SATA) type electrical connector, serial small computer interface (SAS-3) type electrical connector Any electrical connector in its combination. As shown in Figure 1, the high-frequency electrical connector is a combined interface of a serial advanced technology interface (SATA) electrical connector and a serial small computer interface (SAS-3) electrical connector. In FIG. 1 , a high-frequency electrical connector (such as a female connector) is connected to another mating electrical connector (such as a male connector) 110 to transmit high frequency signal.

As shown in FIG. 2 and FIG. 3 , the insulating housing 100 forms a plurality of first terminal slots 114a and a plurality of second terminal slots 114b respectively, and the plurality of first terminal slots 114a and the plurality of second terminal slots 114b are arranged in the insulating housing 100 along a direction AD. A plurality of first-type conductive terminals 102 are respectively embedded in the plurality of first terminal slots 114a of the insulating housing 100, and each first-type conductive terminal 102 includes a first welding portion 116a, a first abutting portion 118a, the first elastic arm portion 120a and the first contact portion 122a.

In FIG. 2 and FIG. 3 , the first welding portion 116a extends beyond the rear end of the insulating housing 100. In one embodiment, the first welding portion 116a uses, for example, a surface mount technology (SMT) welding pin. , to be electrically connected to the solder pads (not shown) of the circuit board 108 at the rear end of the insulating housing 100 . The first abutting portion 118a is connected to the first welding portion 116a for abutting against the side wall 124 inside the insulating housing 100 to fix the first-type conductive terminal 102 on the insulating housing The body 100 corresponds to the first terminal slot 114a. The first elastic arm portion 120a extends a predetermined distance PD from the first abutting portion 118a toward a plugging direction ID of the electrical connector. The first contact portion 122a is connected to the first elastic arm portion 120a at an angle (for example, 90 degrees, not limited thereto, it can be any angle) and forms a first free end portion 126a at one end. The free end portion 126a forms a first width W1 along the arrangement direction AD (as shown in FIG. 4B ), and the first contact portion 122a is formed along a direction perpendicular to the arrangement direction AD and the plug-in direction ID. A first thickness T1, wherein the first thickness T1 is greater than the first width W1. When the first free ends 126a of the plurality of first-type conductive terminals 102 of the present utility model are in electrical contact with the corresponding terminals 112 of the paired electrical connector 110 to transmit high-frequency signals, the high-frequency electrical connector can effectively reduce the The amount of signal attenuation when transmitting the high frequency signal.

Referring to FIGS. 3, 4A, 4B and 6A, FIG. 4A shows a three-dimensional schematic view of the first-type conductive terminal 102 according to the first embodiment of the present utility model; FIG. 4B shows two first-type conductive terminals according to the first embodiment of the present utility model. A schematic plan view of adjacently arranged conductive terminals 102; FIG. 6A shows a schematic waveform diagram of the electrical characteristics of the conductive terminals according to the first embodiment of the present invention. In the embodiment shown in FIGS. 4A and 4B , the first contact portion 122a of the first-type conductive terminal 102 is perpendicular to the first elastic arm portion 120a, and the first free end portion 126a is in electrical contact with the butt joint along the vertical direction. The corresponding terminal 112 of the connector 110, wherein the first contact portion 122a forms a first thickness T1 in the direction of the plugging-out direction ID. Every two first-type conductive terminals 102 form an arrangement interval DP and the edges of every two first-type conductive terminals 102 are separated by a first edge distance ED1, and the plurality of first-type conductive terminals 102 are along the arrangement direction AD are arranged at equal heights, wherein the arrangement interval DP is greater than the first edge distance ED1.

As shown in Figure 6A, the horizontal axis represents time (picosecond, picosecond (PS), the vertical axis represents impedance value (ohm, Ohm), curve S1 represents the impedance curve of the electrical connector of the prior art, and curve S2 represents the utility model The impedance curve of the high-frequency electrical connector, wherein SI1 is defined as the reference differential impedance value interval of the prior art, which represents the fluctuation range of the existing impedance value, and SI2 is defined as the difference between the high-frequency electrical connector of the present utility model Dynamic impedance value range, which represents the fluctuation range of the impedance value of the present utility model, since the differential impedance value range is smaller than the reference differential impedance value range, the fluctuation range of the impedance value in the differential impedance value range is relatively small, so this The impedance matching of the first-type conductive terminal 102 of the high-frequency electrical connector of the utility model is better; it should be noted that, in an embodiment shown in FIG. 6A , the impedance value of the differential impedance value range is between 94 Between ohm and 112 ohms, all are within the impedance critical value specified in the standard specification (for example, within 85 ohms to 115 ohms), so the impedance matching of high-frequency electrical connectors can be improved. In one embodiment, the several The differential impedance value of the first type conductive terminal 102 is less than or equal to the reference differential impedance value specified in the standard specifications above SAS-3, which can reduce the signal attenuation of the high frequency signal. As mentioned above, the utility model The new type of high-frequency electrical connector forms a better impedance matching state between the high-frequency electrical connector and the mating electrical connector 110 by adjusting the configuration of the first-type conductive terminals 102, that is, from the mating electrical connector After the high-frequency signal of 110 is transmitted to an electronic device (not shown) through the high-frequency electrical connector, the attenuation of the high-frequency signal is less than a threshold value (threshold value), so that the signal strength will not be excessively lost during the transmission process, improving The transmission quality of the high-frequency signal of the high-frequency electrical connector is improved.

Referring to Figures 2, 5A, 5B and 6A, Figure 5A shows a perspective view of the second type of conductive terminal 104 according to the first embodiment of the present invention; Figure 5B shows two adjacent arrangements according to the first embodiment of the present invention A schematic plan view of the second-type conductive terminal 104 in FIG. The plurality of second-type conductive terminals 104 are respectively embedded in the plurality of second terminal slots 114 b of the insulating housing 100 . Each second-type conductive terminal 104 includes a second welding portion 116b, a second abutting portion 118b, a second elastic arm portion 120b, and a second contact portion 122b. The second welding portion 116 b is used to extend out of the insulating housing 100 to fix the second-type conductive terminal 104 in the corresponding second terminal slot 114 b of the insulating housing 100 . The second abutting portion 118b extends from the second welding portion 116b, and is used to abut against the side wall (not shown) of the second-type terminal slot 114b, so as to fix the second-type conductive terminal 104 on the second-type terminal slot 114b. In the second terminal slot 114b of the insulating housing 100 . The second elastic arm portion 120b extends a predetermined distance (not shown) from the second abutting portion 118b toward a plugging-out direction ID of the electrical connector. The second contact portion 122b is connected to the second elastic arm portion 120b at an angle (such as 90 degrees, not limited thereto, any angle) and forms a second free end portion 126b at one end. The two free end portions 126b form a second width W2 along the arrangement direction AD, and the second contact portion 122b forms a second thickness T2 along a direction perpendicular to the arrangement direction AD and the plugging direction ID. , wherein the second thickness T2 is greater than the second width W2.

In the embodiment shown in FIGS. 5A and 5B , the second contact portion 122b of the second-type conductive terminal 104 is perpendicular to the second spring arm portion 120b, and the second free end portion 126b is in electrical contact with the butt joint along the vertical direction. The corresponding terminal 112 of the connector 110, wherein the second contact portion 122b is formed with a second thickness T2 in the direction of the plugging-out direction ID. Every two second-type conductive terminals 104 form an arrangement interval DP and the edges of every two second-type conductive terminals 104 are separated by a second edge distance ED2, and the plurality of second-type conductive terminals 104 are along the arrangement direction AD are arranged at equal heights, wherein the arrangement interval DP is greater than the second edge distance ED2. When the second free ends 126b of the plurality of second-type conductive terminals 104 are in electrical contact with the corresponding terminals of the docking electrical connector to transmit high-frequency signals, the difference between the plurality of second-type conductive terminals 104 The dynamic impedance value is less than or equal to the reference differential impedance value specified in the SATA standard specification.

As shown in Figures 4A, 4B, 5A, and 5B, a first edge distance ED1 is formed between the sides of every two adjacent first-type conductive terminals 102, and every two adjacent sides of the second-type conductive terminals 102 A second edge distance ED2 is formed between sides of the conductive terminals 104 , wherein the second edge distance ED2 is greater than the first edge distance ED1 . In one embodiment, the first-type conductive terminal 102 and the second-type conductive terminal 104 of the high-frequency electrical connector of the present invention have a blanking type terminal structure.

Referring to FIGS. 6B-6C , which are schematic diagrams illustrating the waveforms of the electrical characteristics of the conductive terminals according to the first embodiment of the present invention. As shown in Figure 6B, the horizontal axis represents the frequency (Ghz), the vertical axis represents the insertion loss value (insertion loss), and its unit is decibel (decibel, dB), where the insertion loss value equal to -1dB is defined as the standard insertion loss value SS1, when the insertion loss value of the conductive terminal is greater than the standard insertion loss value SS1, it means that the interference of crosstalk is smaller and the signal quality is better; otherwise, if the insertion loss value is less than the standard insertion loss value SS1, it means crosstalk (crosstalk) the greater the interference, the worse the signal quality. As shown in Figure 6B, when the curve CR1 corresponding to the conductive terminal of the present invention is at 6.8Ghz, the insertion loss value of the conductive terminal can still be kept equal to or greater than the standard insertion loss value SS1, but the corresponding When the curve CR2 is at 6.8Ghz, the insertion loss value (about -1.5dB) of the conductive terminal is smaller than the standard insertion loss value SS1, so the electrical connector of the present invention can improve the crosstalk interference problem of the existing electrical connector. As shown in Figure 6C, the horizontal axis represents the frequency (Ghz), the vertical axis represents the return loss value (return loss), and its unit is decibel (decibel, dB), and the return loss value equal to -12dB is defined as the standard return loss value, when When the return loss value of the conductive terminal is less than the standard return loss value SS2, it means that the interference of crosstalk is smaller and the signal quality is better; on the contrary, if the return loss value is greater than the standard return loss value SS2, it means crosstalk (crosstalk) The greater the interference, the worse the signal quality. As shown in Figure 6C, when the curve CR3 corresponding to the conductive terminal of the present invention is at 5.8Ghz, the return loss value of the conductive terminal can still be kept smaller than the standard return loss value SS2, but now When the curve CR4 corresponding to some conductive terminals is at 5.8Ghz, the return loss value (about -10dB) of the conductive terminal is greater than the standard return loss value SS2, so as shown in Figures 6B-6C, the electrical connector of the present invention can improve The problem of crosstalk interference of existing electrical connectors.

Continuing to refer to FIG. 2, the high-frequency electrical connector also includes a plurality of third-type conductive terminals 106, which are respectively embedded in a plurality of third terminal slots 114c of the insulating housing, and each third-type conductive terminal 106 has a third-type conductive terminal 106. Three welded portions 116c, a third elastic arm portion 120c, a bent contact portion 117 and a third free end portion 126c, the length from the third welded portion 116c to the third free end portion 126c is greater than the length from the third free end portion 126c The length between the first welding portion 116c and the first free end portion 126c of the first-type conductive terminal 102 is defined. In one embodiment, the arrangement interval DP of the plurality of third-type conductive terminals 106 is greater than the arrangement interval DP of the second-type conductive terminals 104, and the arrangement interval DP of the plurality of second-type conductive terminals 104 is greater than that of the first-type conductive terminals DP. The arrangement pitch of the terminals 102 is DP.

Referring to Figures 7 to 9 and Figures 10A and 10B, Figure 7 shows a schematic diagram of a three-dimensional assembly of a high-frequency electrical connector according to the second embodiment of the present invention; Figure 8 shows a schematic diagram of a high-frequency electrical connector according to the second embodiment of the present invention Figure 9 shows a cross-sectional view along the line BB' in Figure 7 according to the second embodiment of the present invention. FIG. 10A is a schematic perspective view of different first-type conductive terminals 202 arranged adjacently according to the second embodiment of the present invention. Fig. 10B is a cross-sectional view along line C-C' of Fig. 10A according to the second embodiment of the present invention. The high-frequency electrical connector includes an insulating housing 100 , a plurality of first-type conductive terminals 202 , a plurality of second-type conductive terminals 104 , a plurality of third-type conductive terminals 106 and a circuit board 108 . The high-frequency electrical connector of the second embodiment of the present utility model is similar to the high-frequency electrical connector of the first embodiment, the difference is that the structure of some first-type conductive terminals 102 of the second embodiment is different from that of the first embodiment The structure of several first-type conductive terminals 202 .

As shown in Figures 8, 9, 10A, and 10B, the insulating housing 100 forms a plurality of first terminal slots 114a and a plurality of second terminal slots 114b respectively, and the plurality of first terminal slots 114a and the plurality of The second terminal slots 114b are arranged in the insulating housing 100 along a direction AD. A plurality of first-type conductive terminals 202 are respectively embedded in the plurality of first terminal slots 114a of the insulating housing 100, and each first-type conductive terminal 202 includes a first welding portion 116a, a first abutting portion 118 a , the first elastic arm portion 120 a and the first contact portion 122 a , and the first welding portion 116 a extends beyond the rear end of the insulating housing 100 . In one embodiment, the first soldering portion 116a is electrically connected to a soldering pad (not shown) of the circuit board 108 at the rear end of the insulating case 100 using, for example, a surface mount technology (SMT) soldering pin. The first abutting portion 118a is connected to the first welding portion 116a for abutting against the side wall 124 inside the insulating housing 100 to fix the first-type conductive terminal 202 on the insulating housing. The body 100 corresponds to the first terminal slot 114a. The first contact portion 122a is connected to the first elastic arm portion 120a at an angle and forms a first free end portion 126a at the end.

As shown in FIGS. 8 , 9 , 10A, and 10B, each first-type conductive terminal 202 in the second embodiment of the present invention includes a plurality of first-type conductive terminals 202 a and a plurality of second-type conductive terminals 202 b. The structure of each second-type conductive terminal 202b is different from that of each first-type conductive terminal 202a, and the transverse section of the first elastic arm portion 120a of each first-type conductive terminal 202a The transverse section of the first elastic arm portion 120a is arranged in a staggered front and back along the arrangement direction AD in the first terminal slot 114a of the insulating housing 100, and the plurality of first-type conductive terminals 202a and the plurality of first-type conductive terminals 202a are The first free ends 126a of the plurality of second-type conductive terminals 202b form a collinear or coplanar arrangement, so that the first free ends 126a of the plurality of first-type conductive terminals 202a and the plurality of second-type conductive terminals 202b 126a electrically contacts each corresponding terminal 112 at the same time. The overlapping area OA between the first elastic arm portions 120a of the first type conductive terminals 202a and the first elastic arm portions 120a of the second type conductive terminals 202b facing each other is smaller than the The surface area AA of any one of the first elastic arm portion 120a of the first type conductive terminal 202a and the first elastic arm portion 120a of the second type conductive terminal 202b adjacent to each other is adjusted. The capacitance and impedance between the plurality of first-type conductive terminals 202a and the plurality of second-type conductive terminals 202b, for example, in the case of the same surface area AA, the smaller the overlapping area OA, the smaller the capacitance, and For example, in the case of the same overlapping area OA, the larger the surface area AA is, the smaller the impedance is. An offset is formed between the centerline of the transverse section of the first elastic arm portion 120a of each first type conductive terminal 202a and the centerline of the transverse section of the first elastic arm portion 120a of each second type conductive terminal 202b. The offset distance OD, wherein the offset distance OD is negatively correlated with the overlap area OA.

FIG. 10C is a schematic waveform diagram of the electrical characteristics of the first-type conductive terminal 202 according to the second embodiment of the present invention. As shown in Figure 10C, the horizontal axis represents the time (picosecond/PS), the vertical axis represents the impedance value (ohm, Ohm), and the curve S3 represents the impedance curve of the high-frequency electrical connector of the present utility model, wherein the curve S3 is located at Different continuous time intervals correspond to different impedance values, and each time interval includes the first time interval TD1 (such as a female connector), the interaction time interval TDA (such as a male and female connector) and the second time interval TD2 (e.g. male connector). In the first time interval TD1, SI31 is the first differential impedance value interval of the high-frequency electrical connector of the present invention, and the first differential impedance value interval SI31 is defined by the upper limit (UT) and the first lower limit (LT1) SI32 is the second differential impedance interval of the high-frequency electrical connector of the present invention, and the second differential impedance interval SI32 is defined by the upper limit (UT) and the second lower limit (LT2). The first differential impedance value interval SI31, the upper limit (UT), the first lower limit (LT1), the second differential impedance value interval SI32, and the second lower limit (LT2), are all within the impedance critical value specified in the standard specification (for example, 85 ohm to 115 ohm, but not limited thereto, such as a larger impedance value, such as 75 ohm to 125 ohm), so the impedance matching of the first type conductive terminal 202 of the high frequency electrical connector of the present utility model is better, In order to reduce the signal attenuation of the high frequency signal. As mentioned above, the high-frequency electrical connector of the present invention forms a better impedance matching state between the high-frequency electrical connector and the mating electrical connector 110 by adjusting the configuration of the first-type conductive terminals 202, such as In the embodiment shown in Figures 9 and 10C, by adjusting the ratio of the surface area AA to the overlapping area OA, the first differential impedance value interval SI31, the upper limit (UT), the first lower limit (LT1), the second differential impedance value The impedance value interval SI32 and the second lower limit (LT2) are both critical values specified in the standard specification, so that after the high-frequency signal from the docking electrical connector 110 is transmitted to an electronic device (not shown) through the high-frequency electrical connector, its The attenuation of the high-frequency signal is less than a threshold value, so that the signal strength will not be excessively lost in the transmission process, and the transmission quality of the high-frequency signal of the high-frequency electrical connector is improved.

Referring to FIG. 7 and 11A to 11C, FIG. 11A shows a perspective view of the second-type conductive terminal 204 according to the second embodiment of the utility model; FIG. 11B shows two adjacently arranged first terminals according to the second embodiment of the utility model. A schematic plan view of the second-type conductive terminal 204; FIG. 11C shows a schematic waveform diagram of the electrical characteristics of the second-type conductive terminal 204 according to the second embodiment of the present invention. The plurality of second-type conductive terminals 204 are respectively embedded in the plurality of second terminal slots 114 b of the insulating housing 100 . The second type conductive terminal 204 of the second embodiment is similar to the second type conductive terminal 104 of the first embodiment, the difference is that the second contact portion 122b1 of the second type conductive terminal 204 of the second embodiment is different from the first The second contact portions 122b of the plurality of second-type conductive terminals 104 of the embodiment. The arc angle of the second contact portion 122b1 of the second type conductive terminal 204 is greater than the arc angle of the second contact portion 122b of the second type conductive terminal 104, so that the second contact portion 122b1 of the second type conductive terminal 204 is arranged along the The area of the direction AD is smaller than the area of the second contact portion 122 b of the second-type conductive terminal 104 .

FIG. 11C is a schematic waveform diagram of the electrical characteristics of the second-type conductive terminal 204 according to the second embodiment of the present invention. As shown in Figure 11C, the horizontal axis represents time (picosecond/PS), the vertical axis represents impedance value (ohm, Ohm), curve S4 represents the impedance curve of the high-frequency electrical connector of the present invention, and SI4 is defined as the present invention The differential impedance value interval of the high-frequency electrical connector, wherein the curve S4 is located in different continuous time intervals corresponding to different impedance values, and each time interval includes the first time interval TD1 (for example, a female connector), interaction The time interval TDA (for example, male and female connectors) and the second time interval TD2 (for example, male connectors). In the first time interval TD1, SI43 is the third differential impedance value interval of the high-frequency electrical connector of the present invention, and the first differential impedance value interval SI43 is defined by the upper limit (UT) and the first lower limit (LT1) SI44 is the fourth differential impedance value interval of the high-frequency electrical connector of the present utility model, the fourth differential impedance value interval SI44 is defined by the upper limit (UT) and the second lower limit (LT2), the third differential The impedance value interval SI43, the upper limit (UT), the first lower limit (LT1), the fourth differential impedance value interval SI44 and the second lower limit (LT2), are all within the impedance critical value specified in the standard specification (for example, 85 ohms to 115 ohms Within, but not limited to, such as a larger impedance value, such as 75 ohms to 125 ohms), so the impedance matching of the second type conductive terminal 204 of the high-frequency electrical connector of the present invention is better; in one embodiment Among them, the differential impedance value of the plurality of second-type conductive terminals 204 is less than or equal to the reference differential impedance value specified in the SAS-3 or above standard specification, which can reduce the signal attenuation of the high frequency signal. As mentioned above, the high-frequency electrical connector of the present utility model enables A better impedance matching state is formed between the high-frequency electrical connector and the mating electrical connector 110, that is, after the high-frequency signal from the mating electrical connector 110 is transmitted to an electronic device (not shown) through the high-frequency electrical connector, The attenuation of the high-frequency signal is less than a critical value, so that the signal strength will not be lost too much during the transmission process, so as to improve the transmission quality of the high-frequency signal of the high-frequency electrical connector.

To sum up, the high-frequency electrical connector of the present invention solves the problem that the differential impedance range of the conductive terminal is smaller than the reference differential impedance range, so as to improve the impedance matching of the high-frequency electrical connector. And avoid the interference problem of crosstalk between the conductive terminals.

Although the present utility model has been disclosed above with preferred embodiments, it is not intended to limit the present utility model. Those with ordinary knowledge in the technical field to which the utility model belongs can use it without departing from the spirit and scope of the utility model. Various changes and modifications are made, so the protection scope of the present utility model should be defined by the scope of the appended claims.

Claims (22)

1. a high-frequency electric connecter, it is characterised in that including:

One edge housing, forms some the first terminal slotted eyes and some second terminal slotted eyes respectively along a direction spread configuration In described edge housing；

Some first type conducting terminals, are embedded in described some the first terminal slotted eyes of described edge housing, Mei Yi respectively One type conducting terminal includes:

First weld part, outside extending to described edge housing；

First butting section, connects described first weld part, in order to be resisted against on the sidewall in described edge housing, with fixing described First type conducting terminal is in the described the first terminal slotted eye that described edge housing is corresponding；

First elastic arm portion, from described first butting section, the plug orientation towards described electric connector extends a preset distance；And

First contact site, is connected to described first elastic arm portion with an angle and Yu Yimo slightly forms one first free end, described First free end forms one first width and described first contact site along a vertical described row along described orientation Column direction forms one first thickness with the direction of described plug orientation, and wherein said first thickness is more than described first width；With And

Some Second-Type conducting terminals, are embedded in described some second terminal slotted eyes of described edge housing respectively；

Described some first free ends of wherein said some first type conducting terminals are at a butt-jointed electric connector in electrical contact Corresponding terminal with transmitting high-frequency signals time, in order to reduce described high-frequency electric connecter transmit described high-frequency signals time signal Attenuation.

High-frequency electric connecter the most according to claim 1, it is characterised in that described high-frequency electric connecter is a kind of nonmetal The interconnection technique interface type electric connectors, list type minicomputer interface type electric connector and combinations thereof such as the list type covered is high In any one electric connector.

High-frequency electric connecter the most according to claim 1, it is characterised in that described some first type conducting terminals differential Resistance value is less than or equal to meeting the reference difference impedance,motional value that the standard specifications of list type minicomputer interface specifies, to reduce The described signal attenuation amount of described high-frequency signals.

High-frequency electric connecter the most according to claim 1, it is characterised in that the described first type conducting end that each two is adjacent Form the first Edge Distance between the side of son, and formed between the side of the adjacent described Second-Type conducting terminal of each two Second Edge Distance, wherein said second Edge Distance is more than described first Edge Distance.

High-frequency electric connecter the most according to claim 1, it is characterised in that each Second-Type conducting terminal includes:

Second weld part, outside extending to described edge housing；

Second butting section, extends, in order to the sidewall against described Second-Type terminal slotted eye, with fixing institute from described second weld part State Second-Type conducting terminal in the corresponding terminal slotted eye of described edge housing；

Second elastic arm portion, from described second butting section, the plug orientation towards described electric connector extends a preset distance；With And

Second contact site, is connected to described second elastic arm portion with an angle and Yu Yimo slightly forms one second free end, described Second free end forms one second width and described second contact site along a vertical described row along described orientation Column direction forms one second thickness with the direction of described plug orientation, and wherein said second thickness is more than described second width.

6. according to the high-frequency electric connecter described in any one of claim 1 or 5, it is characterised in that described some first type conductions Terminal and described some Second-Type conducting terminals are blanking type terminal structure.

High-frequency electric connecter the most according to claim 6, it is characterised in that described some Second-Type conducting terminals described Second free end when the corresponding terminal of described butt-jointed electric connector in electrical contact is with transmitting high-frequency signals, described some second The reference difference that the differential impedance value of type conducting terminal specifies less than or equal to interconnection technique interface standard specifications such as a list type are high Impedance,motional value.

8. according to the high-frequency electric connecter described in any one of claim 3 or 7, it is characterised in that described reference difference impedance,motional value Between 85 ohm to 115 ohm.

High-frequency electric connecter the most according to claim 1, it is characterised in that described some first type conducting terminals include:

Some first kind conducting terminals；

Some Equations of The Second Kind conducting terminals, the lateral cross section in the first elastic arm portion of each first kind conducting terminal is led with each Equations of The Second Kind The lateral cross section in the described first elastic arm portion of electric terminal in described some the first terminal slotted eyes of described edge housing along institute State orientation to be formed and be staggered front to back arrangement, and described some first kind conducting terminals and described some Equations of The Second Kind conducting terminals Described first free end formed conllinear or copline arrangement.

High-frequency electric connecter the most according to claim 9, it is characterised in that each two is interlocked the adjacent described first kind Weight relative to each other between described first elastic arm portion and the described first elastic arm portion of described Equations of The Second Kind conducting terminal of conducting terminal Repeatedly area is led with described Equations of The Second Kind less than the interlock described first elastic arm portion of adjacent described first kind conducting terminal of said two The surface area of the described first elastic arm portion any of which of electric terminal.

11. high-frequency electric connecters according to claim 9, form an offset distance between the center line of lateral cross section of it is characterised in that the first bullet of each first kind conducting terminal arm and the center line of the lateral cross section of the described first elastic arm portion of each Equations of The Second Kind conducting terminal.

12. high-frequency electric connecters according to claim 1, it is characterized in that, also comprise some the 3rd type conducting terminals, be embedded at respectively in some the 3rd terminal slotted eyes of described edge housing, each the 3rd type conducting terminal has one the 3rd weld part, one the 3rd elastic arm portion, bending contact site and one the 3rd free end, is greater than from the first weld part described in described the first type conducting terminal to the length described the first free end to the length described the 3rd free end from described the 3rd weld part.

13. 1 kinds of high-frequency electric connecters, is characterized in that, comprising:

One edge housing, forms respectively some the first terminal slotted eyes and some the second terminal slotted eyes along a direction spread configuration In described edge housing;

Some the first type conducting terminals, be embedded at respectively in described some the first terminal slotted eyes of described edge housing, each first type conducting terminal also comprises one first elastic arm portion and one first contact site, described the first contact site is connected in described the first elastic arm portion with an angle and Yu Yimo slightly forms one first free end, and each first type conducting terminal also comprises:

Some first kind conducting terminals; And

Some Equations of The Second Kind conducting terminals, its structure is different from described some first kind conducting terminals, each first kind conducting terminal The lateral cross section of the first elastic arm portion and the lateral cross section of the described first elastic arm portion of each Equations of The Second Kind conducting terminal described In described some the first terminal slotted eyes of edge housing, form and be staggered front to back arrangement along described orientation, and described some first The first free end of class conducting terminal and described some Equations of The Second Kind conducting terminals forms conllinear or copline is arranged; And

Some Second-Type conducting terminals, are embedded at respectively in described some second terminal slotted eyes of described edge housing.

14. according to the high-frequency electric connecter described in claim 13, it is characterized in that, described high-frequency electric connecter is any electric connector in the interconnection technique interface type electric connectors such as a kind of nonmetal list type height covering, list type minicomputer interface type electric connector and combination thereof.

15. according to the high-frequency electric connecter described in claim 13, it is characterized in that, between the side of every two adjacent described the first type conducting terminals, form the first Edge Distance, and form the second Edge Distance between the side of every two adjacent described Second-Type conducting terminals, wherein said the second Edge Distance is greater than described the first Edge Distance.

16. according to the high-frequency electric connecter described in claim 13, it is characterized in that, described some the first type conducting terminals and described some Second-Type conducting terminals are blanking type terminal structure.

17. according to the high-frequency electric connecter described in claim 16, it is characterized in that, each Second-Type conducting terminal also comprises one second elastic arm portion and one second contact site, and described the second contact site is connected in described the second elastic arm portion with an angle and Yu Yimo slightly forms one second free end.

18. according to the high-frequency electric connecter described in claim 17, it is characterized in that, described second free end of described some Second-Type conducting terminals is at the corresponding terminal of described butt-jointed electric connector in electrical contact during with transmitting high-frequency signals, and the differential impedance value of described some Second-Type conducting terminals is less than or equal to the reference difference impedance,motional value of the interconnection technique interface standard specification specifies such as a list type height.

19. according to the high-frequency electric connecter described in claim 18, it is characterized in that, described reference difference impedance,motional value is between 85 ohm to 115 ohm.

20. according to the high-frequency electric connecter described in claim 13, it is characterized in that, between every two staggered adjacent described first elastic arm portions of described first kind conducting terminal and the described first elastic arm portion of described Equations of The Second Kind conducting terminal, overlapping area respect to one another is less than described two wherein arbitrary surface areas of the adjacent described first elastic arm portions of described first kind conducting terminal and the described first elastic arm portion of described Equations of The Second Kind conducting terminal that interlock.

21. according to the high-frequency electric connecter described in claim 13, it is characterized in that, between the center line of the lateral cross section of the center line of the lateral cross section of the first elastic arm portion of each first kind conducting terminal and the described first elastic arm portion of each Equations of The Second Kind conducting terminal, form an offset distance.

22. according to the high-frequency electric connecter described in claim 13, it is characterized in that, also comprise some the 3rd type conducting terminals, be embedded at respectively in some the 3rd terminal slotted eyes of described edge housing, each the 3rd type conducting terminal has one the 3rd weld part, one the 3rd elastic arm portion, bending contact site and one the 3rd free end, is greater than from the first weld part described in described the first type conducting terminal to the length described the first free end to the length described the 3rd free end from described the 3rd weld part.