CN117438822A - Electric connector structure - Google Patents

Abstract

The utility model provides an use higher efficiency mode to support the electrical connector structure of newer generation's hardware structure in order to transmit high frequency signal, it is mainly through the inside differential signal terminal that sets up the pair and not blocked completely of arbitrary terminal groove that stacks up and down setting up and two ground terminals in the both sides of above-mentioned paired differential signal terminal and the hardware design that makes ground terminal and differential signal terminal not blocked completely, make paired differential signal terminal can effectively and fast transmit high frequency signal, add the width of effectively widening conductive terminal and shorten conductive terminal's length, can directly reduce conductive terminal's impedance that exposes in the air, really reach the main advantages such as energy consumption when reducing high frequency signal transmission, promote the bandwidth of whole electrical connector structure and improve high frequency signal transmission's quality.

Description

Electric connector structure

Technical Field

The present utility model relates to an electrical connector structure, and more particularly, to an electrical connector structure that supports a newer generation of hardware structures for transmitting high frequency signals in a more efficient manner.

Background

At present, a general electric connector structure is designed as a connecting element of an electric signal and a power supply and accessories thereof, and the main function of the electric connector structure is to provide electric connection between various electronic devices or equipment so as to ensure that the signal can be accurately transmitted, besides the miniaturization design, the requirements on transmission speed and bandwidth are higher and higher, and in contrast, the problem generated by high-frequency signal transmission is endless; with the miniaturization of the electric connector structure and the great improvement of transmission efficiency, the number and distribution of the terminal groups are increased and concentrated; however, if the distance between the adjacent terminal sets is too close, electromagnetic wave and crosstalk are easily caused during high-frequency signal transmission, and miniaturization of the electrical connector structure in the future is performed at a faster speed, which will make the signal interference problem of the electrical connector structure more serious; in addition, in the high-frequency connector, the problem of crosstalk is most serious, and the conventional high-frequency connector comprises an insulating body, upper and lower rows of terminals arranged in the insulating body and a grounding piece for connecting a plurality of grounding terminals in the upper and lower rows of terminals in series, but the grounding piece has a complex structure, and the grounding piece is required to be assembled with a clamping piece made of insulating materials, so that the grounding piece can be further arranged in the insulating body through the clamping piece, and meanwhile, spring arms of the grounding piece are respectively abutted against the grounding terminals to be connected so as to form common grounding.

The above features are disclosed in taiwan patent publication No. TWM565427U entitled "grounding structure for electrical connector"; however, the plurality of conductive terminals disclosed in this patent have an open space between each other, and signals transmitted by each of the plurality of conductive terminals will be easily interfered; accordingly, the present inventors have solved the above-mentioned problems in the taiwan patent entitled "connector structure" issued to TWM574353U, which mainly discloses a connector structure for transmitting high-frequency signals, wherein the connector structure comprises at least an insulating base, a plurality of first conductive terminals, and a plurality of second conductive terminals. The connector structure of the TWM574353U is mainly designed by hardware which is adjacent to each other and is not completely blocked between the first differential signal terminal and the second differential signal terminal, so that high-frequency signals can be directly transmitted, and the main advantages of reducing energy consumption during high-frequency signal transmission, improving the quality of high-frequency signal transmission and the like are achieved; the plastic partition wall between the paired conductive terminals (differential signal terminals) for transmitting signals is cut off to increase the efficiency of high-frequency signals transmitted by the bus bar (PCI Express, PCIe for short) supported by the plastic partition wall, so as to achieve the purpose of reducing energy loss, but the partition wall still exists between the differential signal terminals and the adjacent grounding terminals; however, the hardware architecture of the new generation bus (PCIe) with higher performance in the current market has been updated from the fourth generation PCIe to the fifth generation PCIe, 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 the high-frequency signal, improve the quality and speed of the transmission of the high-frequency signal and the bandwidth of the overall electrical connector structure, the development industry and the researchers of the related industry still need to continuously try to overcome and solve the problem of providing an innovative electrical connector structure with a hardware related design.

Disclosure of Invention

The present utility model provides an electrical connector structure, and more particularly, to an electrical connector structure supporting a newer generation of hardware structure to transmit high frequency signals in a higher performance manner, wherein the electrical connector structure mainly comprises a pair of differential signal terminals which are not completely blocked and are arranged in any terminal slot which is stacked up and down, and a hardware design which is provided with two grounding terminals at two sides of the pair of differential signal terminals and is used for enabling the grounding terminals and the differential signal terminals to be not completely blocked, so that the pair of differential signal terminals can effectively and rapidly transmit high frequency signals, and the width of the conductive terminals is effectively widened and the length of the conductive terminals is shortened, thereby directly reducing the impedance of the conductive terminals exposed in the air, and really achieving the main advantages of reducing the energy consumption during the transmission of the high frequency signals, improving the bandwidth of the overall electrical connector structure, improving the quality of the high frequency signals transmission, and the like.

In order to achieve the above-mentioned objective, the present inventors propose an electrical connector structure, which at least comprises an insulating base and a plurality of conductive terminals; the insulating base comprises a first terminal groove, wherein the first terminal groove comprises a plurality of first cut-off areas, a plurality of first partition walls and a plurality of first spacers, two adjacent first cut-off areas are completely isolated by the first partition walls, and the first spacers 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 area, each first conductive terminal is a first differential signal terminal or a first grounding terminal, wherein two first differential signal terminals and two first grounding terminals which are adjacently arranged are inserted in the first cut-off area, wherein in the first cut-off area, two first grounding terminals are respectively arranged on two opposite sides of the two first differential signal terminals, and a first spacer is arranged between the two adjacent first conductive terminals.

The above-mentioned electrical connector structure, wherein the insulating housing further comprises a second terminal slot disposed at a side portion of the first terminal slot, and a board slot, the second terminal slot comprises a plurality of second cut-off regions, a plurality of second partition walls, and a plurality of second spacers, wherein the two adjacent second cut-off regions are completely isolated by the second partition walls, the second spacers are disposed at inner side portions of the second cut-off regions with respect to the first spacers, the inner side portions of the second cut-off regions are disposed at inner side portions of the first cut-off regions with respect to the inner side portions 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 comprise 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 second differential signal terminals and two second ground terminals disposed adjacently are inserted into the second cut-off regions, wherein in the second cut-off regions, the two second ground terminals are disposed at opposite sides of the two second differential signal terminals, and the second conductive spacers are disposed between the two adjacent second ground terminals.

The electrical connector structure as described above, wherein each conductive terminal comprises a contact portion and a soldering portion interconnecting 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 spacer, and the height of the second spacer is smaller than the height of the second spacer.

The electrical connector structure as described above, the first spacer or the second spacer or both are at least partially removed.

An electrical connector structure as described above wherein the at least partially removed first or second spacer has its portion adjacent the insertion opening of the card slot removed.

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

The electrical connector structure as described above, wherein the second terminal groove includes at least one second slot, the second slot is adjacent to the second cut-off region, the second slot is completely isolated from the second cut-off region by the second partition wall, and one of the plurality of conductive terminals is further disposed in the second slot.

The above-mentioned electrical connector structure further comprises at least one first carrier plate and at least one second carrier plate between the first terminal slot and the board card slot, wherein the first carrier plate (disposed between the first terminal slot) and the board card slot, and the second carrier plate is disposed between the second terminal slot and the board card slot.

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

The above-mentioned electric connector structure, wherein the board card slot can further provide a board card insertion, and the interior of the board card is provided with an electronic circuit.

The electrical connector structure as described above, wherein the conductive terminal may further include an abutting portion and a main body portion, the abutting portion being connected to one end portion of the contact portion, and both end portions of the main body portion being connected to the other end portion of the contact portion and the soldering portion, respectively.

The electric connector structure as described above, wherein 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.

The electric connector structure as described above, wherein 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.

The above-mentioned electric connector structure, wherein the welding part protrudes the insulating base and is fixed on a circuit board in a fixed way.

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

Therefore, the electric connector structure of the utility model mainly adopts the hardware design that the paired differential signal terminals which are not completely blocked and the two grounding terminals are arranged at the two sides of the paired differential signal terminals in the upper and lower stacking arrangement and the differential signal terminals are not completely blocked, so that the paired differential signal terminals can effectively and rapidly transmit high-frequency signals, and the width of the conductive terminals is effectively widened and the length of the conductive terminals is shortened, thereby directly reducing the impedance of the conductive terminals exposed in the air, and really achieving the main advantages of reducing the energy consumption during the transmission of the high-frequency signals, improving the bandwidth of the whole electric connector structure, improving the quality of the transmission of the high-frequency signals and the like.

Drawings

Fig. 1: the electrical connector structure of the present utility model is a front view of the overall structure of a preferred embodiment thereof.

Fig. 2: the electrical connector structure of the present utility model is a rear view of the overall structure of a preferred embodiment thereof.

Fig. 3: the electrical connector structure of the present utility model is an exploded view of the overall structure of a preferred embodiment thereof.

Fig. 4: the electrical connector structure of the present utility model is a side view of the overall structure of a preferred embodiment thereof.

Fig. 5: the conductive terminal of a preferred embodiment of the electrical connector structure of the present utility model is shown in the schematic diagram (one).

Fig. 6: the conductive terminal of the preferred embodiment of the present utility model is schematically shown in (II).

Fig. 7: the conductive terminal of a preferred embodiment of the electrical connector structure of the present utility model is partially schematic.

Fig. 8: the conductive terminals of a preferred embodiment of the electrical connector structure of the present utility model are schematically shown.

Fig. 9: the conductive terminal structure of a preferred embodiment of the present utility model is schematically shown.

Fig. 10: the conductive terminal structure of a preferred embodiment of the electrical connector structure of the present utility model is a perspective view.

Fig. 11A and 11B: the impedance of the conductive terminal of a preferred embodiment of the electrical connector structure of the present utility model varies with time.

Description of the figure:

1: electric connector structure

10: insulating base

11: first terminal groove

111: a first intercepting region

112: first partition wall

113: first spacer

114: first slot

115: first carrier plate

116: first side wall

12: second terminal groove

121: a second intercepting region

122: second partition wall

123: second spacer

124: second slot

125: second carrier plate

126: a 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 portion

24: welded part

25: abutment portion

26: main body part

30: board card

L: length of

B: boundary of

H1, H2, H3, H4: height of (1)

S1: first distance of

S2: second distance

W1: first width of

W2: second width of

W3: and a third width.

Detailed Description

Referring to fig. 1 to 7, an electrical connector structure according to a preferred embodiment of the present utility model is shown in a front view, a rear view, an exploded view, a side view, a conductive terminal arrangement diagram (one), a conductive terminal arrangement diagram (two), and a conductive terminal partial diagram, wherein the electrical connector structure 1 is formed by combining 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 grounding terminals 22, two adjacent differential signal terminals 21 are paired with each other to transmit positive differential signals and negative differential signals, and one grounding terminal 22 is disposed on each of opposite sides of the paired two differential signal terminals 21. Without loss of generality, one side of the ground terminal 22 adjacent to one side of the differential signal terminal 21 may also be provided with another ground terminal 22. In the case of PCIe standard (and particularly PCIe fifth generation) for definition of conductive terminals 20, reference may be made to "https:// zh.wikipedia.org/wiki/pci_express", the plurality of conductive terminals 20 having other signal terminals or power terminals in addition to the plurality of differential signal terminals 21 and the plurality of ground terminals 22, and the electrical connector structure 1 of the present utility model is designed mainly for hardware design of 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 rapidly transmit high frequency signals.

The electrical connector structure 1 of the present utility model has a first terminal groove 11 and a second terminal groove 12 stacked one above the other, and two adjacent and paired differential signal conductive terminals 20 are assembled inside the first terminal groove 11 and the second terminal groove 12. The hardware design that the paired differential signal terminals 21 are not completely blocked and the two grounding terminals 22 adjacent to the paired differential signal terminals 21 are not completely blocked from the differential signal terminals 21 allows the two differential signal terminals 21 to more effectively and rapidly transmit high-frequency signals, 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 can further directly reduce the impedance of the conductive terminal 20 exposed to the air, thereby truly achieving the main advantages of reducing the energy consumption during the transmission of high-frequency signals, improving the bandwidth of the whole electric connector structure 1, improving the quality of the transmission of high-frequency signals, and the like. Further, the above-mentioned two conductive terminals 20 are not completely blocked means not having any spacer and partition wall, or having a spacer whose height is smaller than that of the partition wall, that is, the intermediate insulating object is at least partially erased. In the embodiment of the present utility model, an example in which two conductive terminals 20 are not completely blocked is described as an example in which a spacer having a height smaller than that of a partition wall is provided between two conductive terminals 20.

The insulating base 10 is formed by combining 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 combining 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 any two adjacent first cut-off regions 111 are completely isolated by the first partition walls 112 from the first slots 114, the first spacers 113 are disposed on an inner side portion of the first cut-off regions 111, the insulating base 10 further comprises a first sidewall 116 and an inner sidewall 14, the first sidewall 116 is disposed on the same side of the inner side portion, and the inner sidewall 14 is disposed on the other side of the inner side portion, for example: the inner side of the first cut-off region 111 (fig. 6, upper inner side of the first cut-off region 111) is provided with the first spacers 113, the first spacers 113 do not completely block the conductive terminals 20 compared to the first spacers 112, in detail, referring to fig. 5, the first spacers 112 extend from the first sidewall 116 to the inner sidewall 14, and the first spacers 113 slightly extend from the first sidewall 116 but do not extend to the inner sidewall 14, i.e. the height H2 of the first spacers 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 without protruding the boundary B, so as to avoid the electrical connector structure 1 from firmly contacting with the corresponding connector when inserted. In a preferred embodiment of the present utility model, the inner side portion 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 can be used for supporting the conductive terminals 20 disposed in the first terminal slot 11. In a preferred embodiment of the present utility model, the first partition 112 is composed of the first partition 113 and a wall plate (not shown), but the present utility model is not limited thereto, and the first partition 112 may be composed of a single wall plate (not shown).

The second terminal groove 12 is provided at one side of the first terminal groove 11, for example: the lower side portion, wherein the second terminal groove 12 is formed by combining a plurality of second intercepting regions 121, a plurality of second partition walls 122, a plurality of second spacers 123, a plurality of second slots 124 and a second carrier 125, any two adjacent second intercepting regions 121 are completely isolated by the second partition walls 122, and the second intercepting regions 121 and the second slots 124 are completely isolated by the second partition walls 122, the second spacers 123 are disposed on an inner side portion of the second intercepting regions 121 opposite to the inner side portion of the first intercepting regions 111, the insulating base 10 further comprises a second sidewall 126, the second sidewall 126 is disposed on the same side of the inner side portion of the second intercepting regions 121, and the inner sidewall 14 is disposed on the other side of the inner side portion of the second intercepting regions 121, so that the inner sidewall 14 is disposed between the first sidewall 116 and the second sidewall 126, for example: the second spacers 123 are disposed on the inner side of the second cut-off region 121 (fig. 6, the lower inner side of the second cut-off region 121), and the second spacers 123 do not completely block the conductive terminals 20 compared to the second spacers 122. In detail, referring to fig. 5, the second spacers 122 extend from the second sidewall 126 to the inner sidewall 14, and the second spacers 123 slightly extend from the second sidewall 126 but do not extend to the inner sidewall 14, i.e. the height H4 of the second spacers 122 is greater than the height H3 of the second spacers 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 without protruding the boundary B, so as to avoid the electrical connector structure 1 from firmly contacting with the corresponding connector when inserted. In a preferred embodiment of the present utility model, the inner side portion 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 arranged at equal intervals; in addition, the second carrier plate 125 is disposed between the second terminal slot 12 and the board card slot 13, wherein the second carrier plate 125 can be used for supporting the conductive terminals 20 disposed in the second terminal slot 12. In a preferred embodiment of the present utility model, the second partition wall 122 may also be composed of the second partition 123 and a wall plate (not shown), but the present utility model is not limited thereto, and the second partition wall 122 may also be composed of a single wall plate (not shown).

In a preferred embodiment of the present utility model, the first spacer 113 or the second spacer 123 or both may be at least partially removed, for example: the at least partially removed first spacer 113 or the second spacer 123 means that the portion thereof adjacent to the insertion opening of the card slot 13 is removed, so that the at least partially removed first spacer 113 or the second spacer 123 has a height H1, H3 near the insertion opening lower than the height H1, H3 of the at least partially removed first spacer 113 or the second spacer 123 elsewhere, and furthermore, the at least partially removed first spacer 113 or the second spacer 123 is not aligned with the boundary B of the inner sidewall 14, but does not protrude beyond the boundary B.

In the embodiment of the present utility model, the first spacers 113, the first spacers 112, the second spacers 123 and the second spacers 122 may be formed by forming a plurality of spacers and a plurality of wallboards respectively connected to the plurality of spacers at the same time, wherein a plurality of wallboards are erased to form the first spacers 113 and the second spacers 123, and the unerased wallboards and the corresponding spacers form the first spacers 112 and the second spacers 122. However, the above-described formation of the first spacers 113, the first spacers 112, the second spacers 123, and the second spacers 122 is not intended to limit the present utility model.

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 to be inserted therein, and the board 30 may be, for example, an electronic board with an electronic circuit (not shown) therein, such as an audio card, a network card, a mining card, or a display card, and the utility model 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, 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.

Referring to fig. 8 to 10, a schematic conductive terminal arrangement diagram, a schematic conductive terminal structure diagram, and a conductive terminal structure perspective view of a preferred embodiment of the electrical connector structure of the present utility model are shown, wherein in the arrangement pattern in the first terminal slot 11, four conductive terminals 20 are inserted into each of the first cut-off regions 111, respectively, two paired differential signal terminals 21 and two ground terminals 22 are respectively disposed adjacent to each other in the middle position of the first cut-off region 111, and two ground terminals 22 are respectively disposed on opposite sides of the differential signal terminals 21, i.e. each of the ground terminals 22 is disposed adjacent to one differential signal terminal 21, for example, the ground terminal 22 is disposed on the left side of the differential signal terminal 21 on the middle left side, and the ground terminal 22 is disposed on the right side of the differential signal terminal 21 on the middle right side. In each of the first cut-off regions 111, the first spacers 113 are disposed between any two adjacent conductive terminals 20 for positioning, the first spacers 112 are not disposed between two adjacent differential signal terminals 21, and the first spacers 112 are not disposed between any one of the differential signal terminals 21 and the adjacent ground terminal 22, wherein a first spacing S1 between two adjacent conductive terminals 20 is about 0.26mm, and a second spacing 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 first spacer 113 is disposed between the two differential signal terminals 21, and the first spacer 113 is disposed between the differential signal terminals 21 and the adjacent ground terminals 22 to achieve the effects of separation and positioning, wherein the pairs of the differential signal terminals 21 can transmit high-frequency signals at high speed and effectively, and the ground terminals 22 are used for absorbing and shielding noise and interference generated by the differential signal terminals 21 when transmitting 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, there is a problem of high-frequency interference between the same pair of differential signal terminals 21, and if the ground terminals 22 which are not completely blocked are directly disposed at 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 also disposed in the first slot 114, and the type of the conductive terminal 20 in this portion is determined according to PCIe standard specification (particularly PCIe fifth generation standard).

In addition, the second terminal slot 12 is also disposed in the same manner as the first terminal slot 11, wherein each of the second cut-off regions 121 is inserted with four conductive terminals 20, respectively two paired differential signal terminals 21 and two ground terminals 22, wherein the paired two differential signal terminals 21 are disposed adjacent to each other in the middle of the second cut-off region 121, and the two ground terminals 22 are disposed on opposite sides of the differential signal terminals 21, respectively, i.e. each of the ground terminals 22 is disposed adjacent to one of the differential signal terminals 21, for example, the ground terminal 22 is disposed on the left side of the differential signal terminal 21 on the middle left side, and the ground terminal 22 is disposed on the right side of the differential signal terminal 21 on the middle right side. In each of the second cut-off regions 121, the second spacers 123 are disposed between any two adjacent conductive terminals 20 for positioning, there is no second partition 122 between two adjacent differential signal terminals 21, and there is no second partition 122 between any one of the differential signal terminals 21 and its adjacent ground terminal 22, wherein the first spacing S1 between two adjacent conductive terminals 20 is about 0.26mm, and the second spacing S2 between the central position of the conductive terminal 20 and the central position of the adjacent conductive terminal 20 is about 1mm; that is, the second spacer 123 is disposed between the two differential signal terminals 21, and the second spacer 123 is disposed between the differential signal terminals 21 and the ground terminal 22 to achieve the effects of separation and positioning, wherein the paired differential signal terminals 21 can transmit high frequency signals at high speed and effectively, and the ground terminals 22 are used for absorbing and shielding 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, there is a problem of high frequency interference between the same pair of differential signal terminals 21, and if the ground terminals 22 which are not completely blocked are directly disposed at 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 also disposed in the second slot 124, and the type of the conductive terminal 20 in this portion is determined according to PCIe standard (particularly PCIe fifth generation standard).

Furthermore, each of the conductive terminals 20 is formed by combining at least one contact portion 23, a soldering portion 24, an abutting portion 25 and a main body portion 26, wherein as shown in fig. 10, the conductive terminals 20 are respectively provided with the abutting portion 25, the contact portion 23 physically connected to the abutting 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 abutting portion 25 abuts the first terminal slot 11 and abuts 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), wherein the fixing manner can be divided into a fixing manner of surface adhesion and dual-in-line package, and in a preferred embodiment of the present utility model, the soldering portion 24 is fixed on the circuit board in a manner of direct-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 conductive terminal 20 of the electrical connector structure 1 of the present utility model has a width wider than that of the conventional conductive terminal and a length shorter than that of the conventional conductive terminal, and the conductive terminal 20 of the present utility model has a length L of about 9.82mm, because the wavelength is shorter as the bandwidth of the transmitted signal is higher, and the bandwidth of the electrical connector structure 1 can be increased if the length of the conductive terminal 20 is shorter.

In addition, please refer to fig. 11A and 11B together, which are schematic diagrams showing the impedance of the conductive terminal of a preferred embodiment of the electrical connector structure according to the present utility model as a function of time, wherein fig. 11A is a schematic diagram showing the impedance of the conductive terminal according to the present utility model as a function of time, wherein the widths of the contact portion and the soldering portion of the conventional conductive terminal are respectively 0.7mm and 0.54mm, the measured impedance Z (t) is greater than 100 ohms at the time points near 80 picoseconds (picoseconds) and 120 picoseconds (picoseconds), and fig. 11B is a schematic diagram showing the impedance of the conductive terminal 20 according to the present utility model as a function of time, wherein the widths of the contact portion 23 and the soldering portion 24 of the conductive terminal are widened from the width values of the conventional conductive terminal to 0.74mm and 0.6mm, and the impedance Z (t) of the overall electrical connector structure 1 is reduced at the time point near 80 picoseconds (picoseconds) and 120 picoseconds (picoseconds) to the time point near 120 seconds (picoseconds) when the electrical signal loss of the electrical connector structure according to the present utility model is effectively reduced, and the electrical loss of the electrical connector is reduced at the time point near 120 seconds (picoseconds) is reached.

As can be seen from the above description, the electrical connector structure of the present utility model has the following advantages compared with the prior art and the product. The electric connector structure of the utility model mainly adopts the hardware design that the paired differential signal terminals which are not completely blocked and the two grounding terminals are arranged at the two sides of the paired differential signal terminals in the upper and lower stacking arrangement and the differential signal terminals are not completely blocked, so that the paired differential signal terminals can effectively and rapidly transmit high-frequency signals, and the width of the conductive terminals is effectively widened and the length of the conductive terminals is shortened, thereby directly reducing the impedance of the conductive terminals exposed in the air, and really achieving the main advantages of reducing the energy consumption during the transmission of the high-frequency signals, improving the bandwidth of the whole electric connector structure, improving the quality of the transmission of the high-frequency signals and the like.

Claims (16)

1. An electrical connector structure, comprising:

an insulating base (10) comprising a first terminal slot (11), wherein the first terminal slot (11) comprises a plurality of first cut-off regions (111), a plurality of first partition walls (112) and a plurality of first spacers (113), wherein two adjacent first cut-off regions (111) are completely isolated by the first partition walls (112), and the first spacers (113) are arranged on an inner side part of the first cut-off regions (111); and

the plurality of conductive terminals (20) comprises a plurality of first conductive terminals (201) inserted in the first cut-off region (111), each first conductive terminal (201) is a first differential signal terminal (21) or a first grounding terminal (22), wherein the two first differential signal terminals (21) and the two first grounding terminals (22) which are adjacently arranged are inserted in the first cut-off region (111), the two first grounding terminals (22) are respectively arranged at two opposite sides of the two first differential signal terminals (21) in the first cut-off region (111), and the first spacer (113) is arranged between the two adjacent first conductive terminals (201).

2. The electrical connector structure of claim 1, wherein the insulating housing (10) further comprises a second terminal slot (12) disposed at a side portion of the first terminal slot (11) and a board slot (13), the second terminal slot (12) comprises a plurality of second cut-off regions (121), a plurality of second partition walls (122), and a plurality of second spacers (123), wherein adjacent second cut-off regions (121) are completely isolated by the second partition walls (122), the second spacer (123) is connected to an inner side portion of the second cut-off region (121) with respect to the first spacer (113), the inner side portion of the second cut-off region (121) is opposite to the inner side portion of the first cut-off region (111), the board slot (13) is disposed between the first terminal slot (11) and the second terminal slot (12), the conductive terminals (20) comprise a plurality of second signal terminals (202) disposed in the second cut-off region (121), each of the second signal terminals (21) is disposed between the second signal cut-off regions (21) and the second signal terminals (22) disposed in the second cut-off region (21), the two second grounding terminals (22) are respectively arranged at two opposite sides of the two second differential signal terminals (21), and the second spacer (123) is arranged between the 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 solder portion (24) interconnecting the contact portion (23), the contact portion (23) having a first width (W1), the solder portion (24) having a second width (W2), the first width (W1) being between 0.66mm and 0.82mm, and the second width (W2) being between 0.52mm and 0.68 mm.

4. The electrical connector structure of claim 2, wherein a height of the first spacer (113) is smaller than a height of the first spacer (112), and a height of the second spacer (123) is smaller 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. The electrical connector structure of claim 5, wherein the at least partially removed portion of the first spacer (113) or the second spacer (123) adjacent to the insertion opening of the board slot (13) is removed.

7. The electrical connector structure of claim 2, wherein the first terminal slot (11) further comprises at least one first slot (114), the first slot (114) is adjacent to the first cut-off region (111), the first slot (114) is completely isolated from the first cut-off region (111) 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) is completely isolated from the second cut-off region (121) 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 2, wherein the insulating housing (10) further comprises at least one first carrier plate (115) and at least one second carrier plate (125), the first carrier plate (115) being disposed between the first terminal slot (11) and the board slot (13), the second carrier plate (125) being disposed between the second terminal slot (12) and the board slot (13).

10. The electrical connector structure of claim 2, wherein the electrical connector structure (1) complies with a PCIe fifth generation standard.

11. The connector structure of claim 2, wherein the board card slot (13) further provides a board card (30) for insertion, and an interior of the board card (30) has an electronic circuit.

12. A connector structure according to claim 3, wherein the conductive terminal (20) further comprises an abutting portion (25) and a main body portion (26), the abutting portion (25) is connected to one end of the contact portion (23), and both ends of the main body portion (26) are respectively connected to one end of the contact portion (23) and the soldering portion (24).

13. The connector structure of claim 12, wherein the abutment 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 connector structure of claim 12, wherein the abutment portion (25) of the conductive terminal (20) located in the second terminal groove (12) abuts the second terminal groove (12) and abuts the second carrier plate (125).

15. The connector structure of claim 12, wherein the solder portion (24) protrudes from the insulating base (10) and is fixed to a circuit board in a fixed manner.

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