CN218731888U - Electric connector structure - Google Patents

Abstract

An electric connector structure supporting a newer generation of hardware structure to transmit high frequency signals in a more efficient manner is mainly characterized in that a pair of differential signal terminals which are not completely blocked and two grounding terminals are arranged in any terminal slot which is stacked up from top to bottom, and the hardware design that the grounding terminals are arranged on two sides of the pair of differential signal terminals and the grounding terminals are not completely blocked is adopted, so that the pair of differential signal terminals can effectively and quickly transmit high frequency signals, the width of the conductive terminals is effectively widened, the length of the conductive terminals is effectively shortened, the impedance of the conductive terminals exposed in the air can be directly reduced, and the main advantages of reducing energy consumption during high frequency signal transmission, improving the bandwidth of the whole electric connector structure, improving the quality of the high frequency signal transmission and the like are really achieved.

Description

Electric connector structure

Technical Field

The present invention relates to an electrical connector structure, and more particularly to an electrical connector structure supporting a new generation of hardware structure to transmit high frequency signals in a more efficient manner.

Background

At present, a general electrical connector structure is designed to be used as a connecting element for electronic signals and power supply and its accessories, and its main function is to provide electrical connection between various electronic devices or equipments to ensure signals can be transmitted accurately; with the miniaturization of the electric connector structure and the great improvement of the transmission efficiency, the number and the distribution of the terminal groups are increased and intensive; however, if the distance between adjacent terminal groups is too close, electromagnetic wave and crosstalk interference can be easily caused during high frequency signal transmission, and the miniaturization of the electrical connector structure in the future can be performed at a faster speed, which makes the signal interference problem of the electrical connector structure itself more serious; in addition, for the high frequency connector, especially the problem of crosstalk interference is the most serious in the problem of signal integrity, the conventional high frequency connector includes an insulating body, upper and lower rows of terminals installed in the insulating body, and a grounding strip for connecting a plurality of grounding terminals in the upper and lower rows of terminals in series, but the grounding strip has a complex structure, and must be assembled with a fastener made of insulating material first, so as to be further installed inside the insulating body through the fastener, and simultaneously, the elastic arms of the grounding strip respectively abut against the grounding terminals to form a common ground.

The above-mentioned features are disclosed in the taiwan utility model entitled "grounding structure of electrical connector" with the publication number TWM 565427U; however, the plurality of conductive terminals disclosed in this patent have open spaces between each other, and signals transmitted by the plurality of conductive terminals are prone to generate interference; therefore, the present inventors have solved the above-mentioned problems in taiwan utility model with the title of connector structure, TWM574353U, and this patent mainly discloses a connector structure for transmitting high frequency signals, wherein the connector structure at least comprises an insulating base, a plurality of first conductive terminals, and a plurality of second conductive terminals. The connector structure of the TWM574353U mainly utilizes the hardware design that every two adjacent first differential signal terminals and every two adjacent second differential signal terminals in pairs are not completely blocked, so that high-frequency signals can be effectively and directly transmitted, and the main advantages of reducing energy loss during high-frequency signal transmission, improving the quality of high-frequency signal transmission and the like are really achieved; this patent mainly cuts off the plastic partition wall between the pair of conductive terminals (differential signal terminals) used for transmitting signals in the prior art, so as to increase the efficiency of high frequency signals transmitted by the bus (PCI Express, PCIe for short) supported by the plastic partition wall, thereby achieving the purpose of reducing energy loss, but the partition wall still exists between the differential signal terminals and the adjacent ground terminals; however, in the current market, a hardware structure of a new generation of bus (PCIe) with higher performance is developed, which has been upgraded from the PCIe generation four to PCIe generation five, so that the transmission performance of the conventional electrical connector structure cannot support the transmission rate requirement of the high frequency signal of the hardware; therefore, in order to reduce the energy consumption during the transmission of high frequency signals, improve the quality and speed of the transmission of high frequency signals, and increase the bandwidth of the overall electrical connector structure, it is still necessary for developers and researchers in the related industries to continuously try to overcome and solve the problem by providing an innovative electrical connector structure with hardware-related design.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that: the utility model provides an electric connector structure, especially indicate an electric connector structure that supports the hardware structure of the newer generation to transmit the high frequency signal with the mode of higher performance, mainly by setting up the differential signal terminal that is paired and not totally obstructed and setting up two ground terminals in the both sides of above-mentioned paired differential signal terminal and making ground terminal and differential signal terminal totally obstructed hardware design in arbitrary terminal groove that stacks up from top to bottom, make paired differential signal terminal can effectively and rapidly transmit the high frequency signal, in addition effectively widen the width of conductive terminal and shorten the length of conductive terminal, can directly reduce the impedance that the conductive terminal exposes in the air, really reach energy loss when reducing the high frequency signal transmission, promote the frequency width of whole electric connector structure and improve the main advantages such as quality of high frequency signal transmission.

The technical means of the utility model are that: an electrical connector structure is provided, which at least comprises an insulating base body and a plurality of conductive terminals; the insulating base comprises a first terminal groove, the first terminal groove comprises a plurality of first cut-off areas, a plurality of first partition walls and a plurality of first partition sheets, wherein two adjacent first cut-off areas are completely isolated by the first partition walls, and the first partition sheets are arranged on the inner side parts of the first cut-off areas; the plurality of conductive terminals comprise a plurality of first conductive terminals inserted in the first cut-off region, each first conductive terminal is a first differential signal terminal or a first ground terminal, wherein two adjacent first differential signal terminals and two adjacent first ground terminals are inserted in the first cut-off region, the two first ground terminals are respectively arranged on two opposite sides of the two first differential signal terminals in the first cut-off region, and a first spacer is arranged between the two adjacent first conductive terminals.

The electrical connector structure as described above, wherein the insulating base further includes a second terminal slot disposed on a side portion of the first terminal slot, and a board slot, the second terminal slot includes a plurality of second cut-off regions, a plurality of second partition walls, and a plurality of second spacers, wherein two adjacent second cut-off regions are completely isolated by the second partition walls, the second spacers are connected to the inner side portion of the second cut-off regions with respect to the first spacers, the inner side portion of the second cut-off regions is connected to the inner side portion of the first cut-off regions with respect to the inner side portion of the first cut-off regions, the board slot is disposed between the first terminal slot and the second terminal slot, the plurality of conductive terminals include a plurality of second conductive terminals inserted into the second cut-off regions, each second conductive terminal is a second differential signal terminal or a second ground terminal, two adjacent second differential signal terminals and two adjacent second ground terminals are inserted into the second cut-off regions, wherein in the second cut-off regions, the two second ground terminals are disposed on two opposite sides of the two second differential signal terminals, and the second conductive terminals are disposed between the adjacent second spacer.

In the above-mentioned electrical connector structure, each conductive terminal includes a contact portion and a soldering portion connected to the contact portion, the contact portion has a first width, the soldering portion has a second width, the first width is between 0.66mm and 0.82mm, and the second width is between 0.52mm and 0.68 mm.

The electrical connector structure as described above, wherein the height of the first spacer is smaller than the height of the first partition wall, and the height of the second spacer is smaller than the height of the second partition wall.

As with the electrical connector structure described above, either the first spacer or the second spacer or both are at least partially removed.

The electrical connector structure as described above, wherein the at least partially removed first spacer or second spacer has a portion thereof adjacent to the insertion opening of the card insertion slot removed.

In the above-described electrical connector structure, the first terminal groove may further include at least one first slot, the first slot is adjacent to the first cut-off region, and the first slot and the first cut-off region are completely isolated from each other by the first partition wall, and one of the plurality of conductive terminals may be further disposed in the first slot.

In the above electrical connector structure, the second terminal slot includes at least one second slot, the second slot is adjacent to the second cut-off region, and the second slot and the second cut-off region are completely isolated by the second partition wall, and one of the plurality of conductive terminals may be further disposed in the second slot.

In the above electrical connector structure, at least one first carrier plate and at least one second carrier plate are further included between the first terminal slot and the card slot, the first carrier plate is disposed between the first terminal slot and the card slot, and the second carrier plate is disposed between the second terminal slot and the card slot.

The electrical connector structure as described above, wherein the electrical connector structure conforms to a fifth generation PCIe standard.

In the above electrical connector structure, the card slot may further provide a card to be inserted, and the card has an electronic circuit inside.

In the above-mentioned electrical connector structure, the conductive terminal may further include an abutting portion and a main body portion, the abutting portion is connected to one end of the contact portion, and two ends of the main body portion are respectively connected to the other end of the contact portion and the soldering portion.

In the above electrical connector structure, the abutting portion of the conductive terminal located in the first terminal groove abuts against the first terminal groove and abuts against the first carrier plate.

In the above electrical connector structure, the abutting portion of the conductive terminal located in the second terminal groove abuts against the second terminal groove and abuts against the second carrier plate.

In the above-mentioned electrical connector structure, the soldering portion protrudes out of the insulating base and is fixed on a circuit board in a fixed manner.

The electrical connector structure as described above, wherein the fixing manner is surface mount or dual in-line package.

Therefore, the utility model discloses an electric connector structure mainly borrows to set up in pairs and not by the complete separation differential signal terminal and set up two ground terminals in the above-mentioned both sides of differential signal terminal in pairs and make ground terminal and differential signal terminal not by the complete separation hardware design by piling up arbitrary terminal inslot portion that sets up from top to bottom for mated differential signal terminal can effectively and transmit the high frequency signal fast, in addition effectively widen conductive terminal's width and shorten conductive terminal's length, can directly reduce the impedance that conductive terminal exposes in the air, reach the energy loss when reducing the high frequency signal transmission really, promote the main advantages such as the bandwidth of whole electric connector structure and the quality that improves the high frequency signal transmission.

Drawings

FIG. 1: the present invention provides a front view of the overall structure of one preferred embodiment of the electrical connector structure.

FIG. 2 is a schematic diagram: the utility model discloses the overall structure rear view of one of the preferred embodiment of electric connector structure.

FIG. 3: the present invention is an exploded view of the electrical connector structure in accordance with one preferred embodiment.

FIG. 4 is a schematic view of: the utility model discloses the overall structure side view of one of them preferred embodiment of electric connector structure.

FIG. 5: the conductive terminal of one preferred embodiment of the electrical connector structure of the present invention is schematically shown in the figure (one).

FIG. 6: the conductive terminal of one preferred embodiment of the electrical connector structure of the present invention is schematically illustrated in fig. (ii).

FIG. 7: the present invention is a partial schematic view of a conductive terminal in one preferred embodiment of an electrical connector structure.

FIG. 8: the present invention provides a conductive terminal configuration diagram of an embodiment of an electrical connector structure.

FIG. 9: the present invention discloses a conductive terminal structure diagram of one preferred embodiment of an electrical connector structure.

FIG. 10: the present invention discloses a conductive terminal structure of an electrical connector structure in one preferred embodiment.

Fig. 11A and 11B: the present invention provides a curve diagram of the impedance of the conductive terminal of one preferred embodiment of the electrical connector structure varying with time.

Description of the figure numbers:

1: electric connector structure

10: insulating base

11: first terminal groove

111: first cut-off region

112: first partition wall

113: first spacer

114: first slot

115: first bearing plate

116: first side wall

12: second terminal groove

121: second truncation zone

122: second partition wall

123: second spacer

124: second slot

125: second bearing plate

126: second side wall

13: board card slot

14: inner side wall

20: conductive terminal

201: first conductive terminal

202: second conductive terminal

21: differential signal terminal

22: grounding terminal

23: contact part

24: weld part

25: abutting part

26: main body part

30: board card

L: length of

B: boundary of

H1, H2, H3, H4: height

S1: first interval

S2: second pitch

W1: first width

W2 the method comprises the following steps: second width

W3: a third width.

Detailed Description

First, please refer to fig. 1 to 7, which are an overall structure front view, an overall structure rear view, an overall structure exploded view, an overall structure side view, a conductive terminal setting schematic diagram (a), a conductive terminal setting schematic diagram (b), and a conductive terminal partial schematic diagram of a preferred embodiment of the electrical connector structure of the present invention, wherein the electrical connector structure 1 of the present invention is formed by at least an insulating base 10 and a plurality of conductive terminals 20, wherein the plurality of conductive terminals 20 can be divided into a plurality of differential signal terminals 21 and a plurality of ground terminals 22, two adjacent ones of the plurality of differential signal terminals 21 are paired with each other to transmit a positive differential signal and a negative differential signal, and two opposite sides of the paired differential signal terminals 21 respectively have a ground terminal 22. Without loss of generality, another ground terminal 22 may be provided on the side of the ground terminal 22 adjacent to the side of the differential signal terminal 21. In the case of using the PCIe standard (and particularly the PCIe fifth generation), reference may be made to "https:// zh. Wikipedia. Org/wiki/PCI _ Express" for the definition of the conductive terminals 20, and the conductive terminals 20 have other signal terminals or power terminals besides the differential signal terminals 21 and the ground terminals 22, and the electrical connector structure 1 of the present invention mainly performs a hardware design for the paired differential signal terminals 21 and the two ground terminals 22 adjacent to the paired differential signal terminals 21, so that the paired differential signal terminals 21 can effectively and quickly transmit high-frequency signals.

The utility model discloses an electric connector structure 1 has and piles up the first terminal groove 11 and the second terminal groove 12 that set up from top to bottom, and sets up two adjacent and mated differential signal's conductive terminal 20 in first terminal groove 11 and the inside group of second terminal groove 12. By the hardware design that the paired differential signal terminals 21 are not completely isolated and the two ground terminals 22 adjacent to the paired differential signal terminals 21 are not completely isolated from the differential signal terminals 21, the two differential signal terminals 21 can transmit high-frequency signals more effectively and quickly, and the hardware design that the width of the conductive terminal 20 is effectively widened and the length L of the conductive terminal 20 is shortened further directly reduces the impedance of the conductive terminal 20 exposed in the air, thereby actually achieving the main advantages of reducing the energy loss during the transmission of high-frequency signals, improving the bandwidth of the whole electrical connector structure 1, improving the quality of the transmission of high-frequency signals, and the like. Further, the two conductive terminals 20 are not completely isolated, which means that there are no spacers and partition walls, or spacers having a height smaller than that of the partition walls, i.e., the intermediate insulating object is at least partially erased. In the embodiment of the present invention, the example that the two conductive terminals 20 are not completely isolated is described by taking a spacer having a height smaller than the partition wall as an example between the two conductive terminals 20.

The insulating base 10 is formed by at least a first terminal slot 11, a second terminal slot 12 and a board card slot 13, wherein the first terminal slot 11 is formed by at least a plurality of first cut-off regions 111, a plurality of first partition walls 112, a plurality of first spacers 113, a plurality of first slots 114 and a first carrier plate 115, any two adjacent first cut-off regions 111 are completely isolated by the first partition walls 112, and the first cut-off regions 111 and the first slots 114 are completely isolated by the first partition walls 112, the first spacers 113 are disposed on an inner side portion of the first cut-off regions 111, the insulating base 10 further includes a first side wall 116 and an inner side wall 14, the first side wall 116 is disposed on the same side of the inner side portion, the inner side wall 14 is disposed on the other side of the inner side portion, for example: the first spacers 113 are disposed on the inner side of the first cut-off region 111 (fig. 6, the upper inner side of the first cut-off region 111), the first spacers 113 do not completely block the conductive terminals 20 compared to the first partition walls 112, in detail, referring to fig. 5, the first partition walls 112 extend from the first side walls 116 to the inner side walls 14, and the first spacers 113 extend slightly from the first side walls 116 but do not extend to the inner side walls 14, that is, the height H2 of the first partition walls 112 is greater than the height H1 of the first spacers 113. On the other hand, referring to the enlarged partial view of fig. 6, the first spacer 113, the second spacer 123 or both are aligned with the boundary B of the inner sidewall 14, but do not protrude beyond the boundary B, so as to prevent the electrical connector structure 1 from being firmly contacted with the corresponding connector when inserted. In a preferred embodiment of the present invention, the inner side of the first intercepting region 111 (as shown in fig. 6, the upper inner side of the first intercepting region 111) is provided with three first spacers 113 arranged at equal intervals; in addition, the first carrier plate 115 is disposed between the first terminal slot 11 and the board card slot 13, wherein the first carrier plate 115 is used for supporting the conductive terminals 20 disposed in the first terminal slot 11. In a preferred embodiment of the present invention, the first partition wall 112 is composed of the first partition 113 and a wall plate (not shown), but the present invention is not limited thereto, and the first partition wall 112 may also be composed of a single wall plate (not shown).

The second terminal groove 12 is provided at one side portion of the first terminal groove 11, for example: a lower portion, wherein the second terminal slot 12 is formed by at least a plurality of second cut-off regions 121, a plurality of second partitions 122, a plurality of second spacers 123, a plurality of second slots 124 and a second carrier plate 125, any two adjacent second cut-off regions 121 are completely isolated by the second partitions 122, and the second cut-off regions 121 and the second slots 124 are completely isolated by the second partitions 122, and the second spacers 123 are disposed on an inner side of the second cut-off regions 121 opposite to the inner side of the first cut-off region 111, the insulating base 10 further includes a second sidewall 126, the second sidewall 126 is disposed on the inner side of the second cut-off regions 121, the inner sidewall 14 is disposed on the other side of the inner side of the second cut-off regions 121, and therefore the inner sidewall 14 is disposed between the first sidewall 116 and the second sidewall 126, for example: the inner side of the second intercepting region 121 (fig. 6, the lower inner side of the second intercepting region 121) is provided with the second spacers 123, the second spacers 123 do not completely block the conductive terminals 20 compared to the second partition wall 122, in detail, as shown in fig. 5, the second partition wall 122 extends from the second side wall 126 to the inner side wall 14, and the second spacers 123 slightly extend from the second side wall 126 but do not extend to the inner side wall 14, that is, the height H4 of the second partition wall 122 is greater than the height H3 of the second spacer 123. On the other hand, referring to the enlarged partial view of fig. 6, the first spacer 113, the second spacer 123 or both are aligned with the boundary B of the inner sidewall 14, but do not protrude beyond the boundary B, so as to prevent the electrical connector structure 1 from being firmly contacted with the corresponding connector when inserted. In a preferred embodiment of the present invention, the inner side of the second intercepting region 121 (as shown in fig. 6, the lower inner side of the second intercepting region 121) is provided with three second spacers 123 disposed at equal intervals; in addition, the second carrier plate 125 is disposed between the second terminal slot 12 and the board slot 13, wherein the second carrier plate 125 can be used to support the conductive terminals 20 disposed in the second terminal slot 12. In a preferred embodiment of the present invention, the second partition wall 122 can also be composed of the second spacer 123 and a wall plate (not shown), but the present invention is not limited thereto, and the second partition wall 122 can also be composed of a single wall plate (not shown).

In a preferred embodiment of the present invention, the first spacer 113 or the second spacer 123 or both can be at least partially removed, for example: the at least partially removed first spacer 113 or second spacer 123 means that a portion thereof adjacent to the insertion opening of the card insertion slot 13 is removed, so that the height H1, H3 of the at least partially removed first spacer 113 or second spacer 123 near the insertion opening is lower than the height H1, H3 of the at least partially removed first spacer 113 or second spacer 123 at other locations, and furthermore, the at least partially removed first spacer 113 or second spacer 123 and the boundary B of the inner sidewall 14 are not aligned with each other but still do not protrude from the boundary B.

In the embodiment of the present invention, the first spacers 113, the first spacers 112, the second spacers 123 and the second spacers 122 may be formed by simultaneously forming a plurality of spacers and a plurality of wall plates respectively connected to the spacers, wherein the wall plates are erased to form the first spacers 113 and the second spacers 123, and the unerased wall plates and the corresponding spacers form the first spacers 112 and the second spacers 122. However, the formation of the first spacers 113, the first partition walls 112, the second spacers 123 and the second partition walls 122 is not intended to limit the present invention.

Furthermore, the board slot 13 is disposed between the first terminal slot 11 and the second terminal slot 12, that is, the board slot 13 is covered by the first terminal slot 11 and the second terminal slot 12, wherein the board slot 13 provides a board 30 inserted therein, and the board 30 can be, for example, an electronic board having an electronic circuit (not shown) therein, such as an audio card, a network card, an ore-digging card or a display card, and the present invention is not limited thereto.

The plurality of conductive terminals 20 are respectively inserted into the first cut-off region 111 and the second cut-off region 121, wherein the conductive terminal 20 inserted into the first cut-off region 111 of the first terminal slot 11 is referred to as a first conductive terminal 201, and the conductive terminal 20 inserted into the second cut-off region 121 of the second terminal slot 12 is referred to as a second conductive terminal 202, and the conductive terminal 20 of the first conductive terminal 201 or the second conductive terminal 202 may be one of a differential signal terminal 21 and a ground terminal 22.

Please refer to fig. 8 to fig. 10 together, which are a schematic diagram of conductive terminal setting, a schematic diagram of conductive terminal structure, and a perspective diagram of conductive terminal structure of the present invention according to a preferred embodiment of the electrical connector structure, wherein in the setting state in the first terminal groove 11, four conductive terminals 20 are inserted into each first cut-off region 111, which are two differential signal terminals 21 and two ground terminals 22 in pairs respectively, wherein the two differential signal terminals 21 in pairs are adjacently disposed at the middle position of the first cut-off region 111, and the two ground terminals 22 are respectively disposed at two opposite side portions of the differential signal terminals 21, that is, each ground terminal 22 is disposed adjacent to one differential signal terminal 21, for example, the ground terminal 22 is disposed at the left side of the differential signal terminal 21 at the middle left side, and the ground terminal 22 is disposed at the right side of the differential signal terminal 21 at the middle right side. In each of the first cut-off regions 111, the first spacer 113 is disposed between any two adjacent conductive terminals 20 for positioning, the first partition wall 112 is not disposed between two adjacent differential signal terminals 21, and the first partition wall 112 is not disposed between any one of the differential signal terminals 21 and its adjacent ground terminal 22, wherein a first distance S1 between two conductive terminals 20 is about 0.26mm, and a second distance S2 between a center position of the conductive terminal 20 and a center position of the adjacent conductive terminal 20 is about 1mm; that is to say, the first spacer 113 is disposed between two differential signal terminals 21, and the first spacer 113 is disposed between the differential signal terminal 21 and the adjacent ground terminal 22, so as to achieve the effect of separation and positioning, wherein the differential signal terminals 21 in a pair can transmit high frequency signals at high speed and effectively, and the ground terminals 22 are used to absorb and shield the noise and interference generated when the differential signal terminals 21 transmit high frequency signals, because the amplitudes of the high frequency signals transmitted by the same pair of differential signal terminals 21 are the same, but the phases are opposite, so that there is a problem of high frequency interference between the same pair of differential signal terminals 21, and if the ground terminals 22 that are not completely separated are directly disposed on both sides of the same pair of differential signal terminals 21, the ground terminals 22 can effectively absorb the noise and interference generated by the differential signal terminals 21; furthermore, one of the conductive terminals 20 is disposed in the first slot 114, and the type of the conductive terminal 20 is determined according to the PCIe standard specification (particularly, PCIe fifth generation standard).

In addition, the second terminal slot 12 is also arranged in the same way as the first terminal slot 11, wherein each second cut-off region 121 is also inserted with four conductive terminals 20, namely, two differential signal terminals 21 and two ground terminals 22 in pairs, wherein the two differential signal terminals 21 in pairs are arranged at the middle position of the second cut-off region 121 adjacent to each other, and the two ground terminals 22 are arranged at the two opposite side portions of the differential signal terminals 21, respectively, that is, each ground terminal 22 is arranged adjacent to one differential signal terminal 21, for example, the ground terminal 22 is arranged at the left side of the differential signal terminal 21 at the middle left side, and the ground terminal 22 is arranged at the right side of the differential signal terminal 21 at the middle right side. In each of the second cut-off regions 121, the second spacer 123 is disposed between any two adjacent conductive terminals 20 for positioning, the second partition wall 122 is not disposed between two adjacent differential signal terminals 21, and the second partition wall 122 is not disposed between any one of the differential signal terminals 21 and its adjacent ground terminal 22, wherein a first distance S1 between two adjacent conductive terminals 20 is about 0.26mm, and a second distance S2 between a center position of the conductive terminal 20 and a center position of the adjacent conductive terminal 20 is about 1mm; that is, the second spacer 123 is disposed between two differential signal terminals 21, and the second spacer 123 is disposed between the differential signal terminals 21 and the ground terminal 22, so as to achieve the effect of separation and positioning, wherein the differential signal terminals 21 in a pair can transmit high frequency signals at high speed and effectively, and the ground terminal 22 is used to absorb and shield the noise and interference generated when the differential signal terminals 21 transmit high frequency signals, because the amplitudes of the high frequency signals transmitted by the same pair of differential signal terminals 21 are the same, but the phases are opposite, so that the problem of high frequency interference exists between the same pair of differential signal terminals 21, and if the ground terminals 22 which are not completely blocked are directly disposed on both sides of the same pair of differential signal terminals 21, the noise and interference generated by the differential signal terminals 21 can be effectively absorbed; furthermore, one of the conductive terminals 20 is disposed in the second slot 124, and the type of the conductive terminal 20 is determined according to the PCIe standard specification (particularly, the PCIe fifth generation standard).

Furthermore, each of the conductive terminals 20 is composed of at least a contact portion 23, a soldering portion 24, a butting portion 25 and a main body portion 26, wherein as shown in fig. 10, the conductive terminal 20 is provided with the butting portion 25, the contact portion 23 physically connected to the butting portion 25, the main body portion 26 physically connected to the contact portion 23, and the soldering portion 24 physically connected to the main body portion 26 from left to right, wherein the butting portion 25 butts against the first terminal groove 11 and butts against the first carrier plate 115, and the soldering portion 24 protrudes out of the insulating base 10 and is fixed on a circuit board (not shown in the drawings, such as a motherboard or a card slot expansion board) in a fixing manner, wherein the fixing manner can be a fixing manner selected from surface mount and dual in-line package.

Furthermore, the contact portion 23 has a first width W1, and the welding portion 24 has a second width W2, wherein the first width W1 is between 0.66mm and 0.82mm, preferably 0.74mm, and the second width W2 is between 0.52mm and 0.68mm, preferably 0.6mm; in addition, the abutting portion 25 has a third width W3, and the third width W3 is preferably 0.34mm; the utility model discloses an electric connector structure 1's conductive terminal 20's width is wide than traditional conductive terminal, and length is also shorter, the utility model discloses a conductive terminal 20's length L is about 9.82mm, and this is because the signal bandwidth that transmits is higher, then the wavelength will be shorter more, if this conductive terminal 20's length shortens, then can improve this electric connector structure 1's bandwidth.

In addition, please refer to fig. 11A and 11B together, which are schematic graphs illustrating the impedance of the conductive terminal of a preferred embodiment of the electrical connector structure of the present invention changing with time, wherein fig. 11A represents a schematic graph illustrating the impedance of the conventional conductive terminal changing with time, wherein widths of the contact portion and the soldering portion of the conventional conductive terminal are 0.7mm and 0.54mm, respectively, and a time point of the impedance Z (t) measured by the graph is greater than 100 ohms at a time point near 80 picoseconds (picoseconds) and 120 picoseconds (picoseconds), such as two peak values shown in fig. 11A, and fig. 11B represents a schematic graph illustrating the impedance of the conductive terminal 20 changing with time, wherein the first width W1 and the second width W2 of the contact portion 23 and the soldering portion 24 of the conductive terminal 20 of the electrical connector structure 1 are widened from a width value of the conventional conductive terminal to 0.74mm and 0.6mm, and the impedance Z (t) of the overall electrical connector structure 1 reaches a level lower than that the impedance Z (t) of the conventional conductive terminal can be effectively transmitted at a time point when the impedance Z (picoseconds) and the electrical connector structure is lowered, such that the impedance Z (picoseconds) can be reduced.

As can be seen from the above description, the present invention provides the following advantages compared with the prior art and the product. The utility model discloses an electric connector structure mainly sets up in pairs and not by the complete separation differential signal terminal and sets up two ground terminals in the above-mentioned both sides of differential signal terminal in pairs and make ground terminal and differential signal terminal not by the complete separation's hardware design by piling up arbitrary terminal inslot portion that sets up from top to bottom for mated differential signal terminal can effectively and transmit the high frequency signal fast, in addition effectively widen conductive terminal's width and shorten conductive terminal's length, can directly reduce the impedance that conductive terminal exposes in the air, reach the energy consumption when reducing the high frequency signal transmission really, promote the main advantages such as the bandwidth of whole electric connector structure and the quality that improves the high frequency signal transmission.

Claims (16)

1. An electrical connector structure, comprising at least:

an insulating base (10) including a first terminal groove (11), the first terminal groove (11) including a plurality of first cut-off regions (111), a plurality of first partition walls (112), and a plurality of first isolation pieces (113), wherein two adjacent first cut-off regions (111) are completely isolated by the first partition walls (112), and the first isolation pieces (113) are disposed at an inner side portion of the first cut-off regions (111); and

the plurality of conductive terminals (20) include a plurality of first conductive terminals (201) inserted in the first cut-off region (111), each of the first conductive terminals (201) is a first differential signal terminal (21) or a first ground terminal (22), wherein two adjacent first differential signal terminals (21) and two adjacent first ground terminals (22) are inserted in the first cut-off region (111), wherein in the first cut-off region (111), the two first ground terminals (22) are respectively disposed on two opposite sides of the two first differential signal terminals (21), and the first spacer (113) is disposed between the two adjacent first conductive terminals (201).

2. The electrical connector structure according to claim 1, wherein the insulative housing (10) further includes a second terminal slot (12) disposed at a side portion of the first terminal slot (11) and a card slot (13), the second terminal slot (12) includes a plurality of second cut-off regions (121), a plurality of second partitions (122), and a plurality of second spacers (123), wherein two adjacent second cut-off regions (121) are completely isolated by the second partitions (122), the second spacers (123) are connected to and disposed at an inner portion of the second cut-off regions (121) with respect to the first spacers (113), the inner portion of the second cut-off regions (121) is opposite to the inner portion of the first cut-off region (111), the card slot (13) is opened between the first terminal slot (11) and the second terminal slot (12), the conductive terminal (20) includes a plurality of second conductive terminals (202) inserted in the second cut-off regions (121), and the two adjacent second terminals (21) are respectively disposed at two sides of the second differential signal ground region (121), and the two differential terminals (21) are respectively disposed in the second signal ground region (121), and the two differential signal regions (21) of the two adjacent second differential signal regions (121), and the two differential signal regions (21) are respectively And the second spacer (123) is arranged between two adjacent second conductive terminals (202).

3. The electrical connector structure of claim 2, wherein each of the conductive terminals (20) includes a contact portion (23) and a soldering portion (24) connected to the contact portion (23), the contact portion (23) has a first width (W1), the soldering portion (24) has a second width (W2), the first width (W1) is between 0.66mm and 0.82mm, and the second width (W2) is between 0.52mm and 0.68 mm.

4. The electrical connector structure of claim 2, wherein a height of the first spacer (113) is less than a height of the first spacer (112), and a height of the second spacer (123) is less than a height of the second spacer (122).

5. The electrical connector structure of claim 2, wherein the first spacer (113) or the second spacer (123), or both, are at least partially removed.

6. An electrical connector structure as claimed in claim 5, wherein the at least partially removed first spacer (113) or second spacer (123) is removed at a portion thereof adjacent to the insertion opening of the card insertion slot (13).

7. The electrical connector structure of claim 2, wherein the first terminal slot (11) further comprises at least a first slot (114), the first slot (114) is adjacent to the first cut-off region (111), the first slot (114) and the first cut-off region (111) are completely isolated by the first partition wall (112), and one of the plurality of conductive terminals (20) is further disposed in the first slot (114).

8. The electrical connector structure of claim 2, wherein at least one second slot (124) is included, the second slot (124) is adjacent to the second cut-off region (121), the second slot (124) and the second cut-off region (121) are completely isolated by the second partition wall (122), and one of the plurality of conductive terminals (20) is further disposed in the second slot (124).

9. The electrical connector structure of claim 3, wherein the insulative housing (10) further comprises at least one first carrier plate (115) and at least one second carrier plate (125), the first carrier plate (115) is disposed between the first terminal slot (11) and the card slot (13), and the second carrier plate (125) is disposed between the second terminal slot (12) and the card slot (13).

10. The electrical connector structure according to claim 2, wherein the electrical connector structure (1) conforms to a PCIe fifth generation standard.

11. An electrical connector structure according to claim 2, wherein the card slot (13) further provides for insertion of a card (30), and an electronic circuit is provided in an interior of the card (30).

12. The electrical connector structure of claim 9, wherein the conductive terminal (20) further comprises an abutting portion (25) and a main body portion (26), the abutting portion (25) is connected to an end of the contact portion (23), and two ends of the main body portion (26) are respectively connected to an end of the contact portion (23) and the soldering portion (24).

13. The electrical connector structure of claim 12, wherein the abutting portion (25) of the conductive terminal (20) located in the first terminal groove (11) abuts the first terminal groove (11) and abuts the first carrier plate (115).

14. The electrical connector structure of claim 12, wherein the abutting portion (25) of the conductive terminal (20) located in the second terminal groove (12) abuts the second terminal groove (12) and abuts the second support plate (125).

15. The electrical connector structure according to claim 12, wherein the soldering portion (24) protrudes from the insulative housing (10) and is fixed to a circuit board in a fixed manner.

16. The electrical connector structure of claim 15, wherein the securing means is surface mount or dual in-line package.

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