TWM638087U - Structure of electric connector - Google Patents

Abstract

An electrical connector structure that uses a more efficient way to support a newer generation of hardware structure to transmit high-frequency signals, mainly by setting a pair of differential terminals that are not completely blocked inside any terminal slot that is stacked up and down. The signal terminal and two grounding terminals are arranged on both sides of the paired differential signal terminal, and the hardware design of the ground terminal and the differential signal terminal is not completely blocked, so that the paired differential signal terminal can effectively and quickly transmit high Frequency signal, and through the rib formed on the side wall, coupled with the effective widening of the width of the conductive terminal and shortening the length of the conductive terminal, can directly reduce the impedance of the conductive terminal exposed to the air, and indeed reduce the transmission of high-frequency signals. The main advantages are energy consumption, increased bandwidth, and improved quality of high-frequency signal transmission.

Description

Electrical connector structure

This creation is related to an electrical connector structure, especially an electrical connector structure that uses a more efficient method to support a newer generation of hardware structure to transmit high-frequency signals.

According to, the general electrical connector structure is designed to be used as a connecting element and its accessories for electronic signals and power supplies. Its main function is to provide electrical connections between various electronic devices or equipment to ensure that signals can be accurately transmitted. In addition to the miniaturization design of the current electrical connector structure, the requirements for transmission speed and bandwidth are also getting higher and higher. In contrast, problems caused by high-frequency signal transmission will emerge in endlessly; The miniaturization of the structure and the substantial improvement of the transmission performance make the number and distribution of the terminal groups more and more dense; however, if the distance between adjacent terminal groups is too close, it will easily cause electromagnetic waves and serial interference during high-frequency signal transmission. In the future, the miniaturization of the electrical connector structure will be carried out at a faster speed, which will make the signal interference problem of the electrical connector structure itself more serious; in addition, for high-frequency connectors, when the signal integrity Among the sexual problems, especially the problem of crosstalk interference is the most serious. The traditional high-frequency connector system includes an insulating body, the upper and lower rows of terminals installed in the insulating body, and a plurality of grounding terminals used to connect the upper and lower rows of terminals in series. However, the structure of the grounding piece is complex, and it must be assembled with the fastener made of insulating material before it can be further installed inside the insulating body through the fastener, and at the same time the spring of the grounding piece The arms contact the ground terminals respectively for connection to form a common ground.

The "Grounding Structure of Electrical Connector" of the Republic of China New Patent No. M565427 discloses the above-mentioned features; however, the plurality of conductive terminals disclosed in this patent have open spaces between each other, and each of the plurality of conductive terminals transmits The signal will be easily interfered; therefore, the inventor of the Republic of China invented the "connector structure" No. M574353 to solve the above problems. This patent mainly discloses a connector structure for transmitting high-frequency signals, No. M574353 The connector structure of the No. patent at least includes an insulating base, a plurality of first conductive terminals, and a plurality of second conductive terminals. The connector structure of the No. M574353 patent is mainly through the hardware design that the two adjacent and paired first differential signal terminals and the second differential signal terminals are not completely blocked, effectively making high-frequency signals It can be transmitted directly to reduce the energy loss during high-frequency signal transmission and improve the quality of high-frequency signal transmission. The plastic partition wall between the signal terminals) is removed to increase the efficiency of the high-frequency signal transmitted by the bus (PCI Express, referred to as PCIe) supported by it, so as to reduce the energy loss, but the differential signal terminal and the adjacent There is still a partition wall between the ground terminals; however, the hardware structure of the new generation bus (PCIe) with higher performance has been introduced in the current market, and has been upgraded from the fourth generation of PCIe to the fifth generation of PCIe, so that the traditional The transmission performance of the electrical connector structure can no longer support the high-frequency signal transmission rate requirements of the hardware; therefore, in order to reduce the energy loss during high-frequency signal transmission, improve the quality and speed of high-frequency signal transmission and improve the overall electrical connector At least one of the bandwidth of the structure, providing an innovative hardware-related design of the electrical connector structure is still a problem that developers and researchers in related industries need to continue to work hard to overcome and solve.

Today, the new people are in view of the fact that the traditional electrical connector structure still has many shortcomings when supporting the practical application of new types of busbars and other hardware, so it is a tireless spirit, and with its rich professional knowledge and many years of practical experience, and improved, and based on this, the electrical connector structure of this creation was developed.

The main purpose of this creation is to provide an electrical connector structure, especially an electrical connector structure that uses a more efficient way to support a newer generation of hardware structure to transmit high-frequency signals. A pair of differential signal terminals that are not completely blocked and two ground terminals are arranged inside a terminal slot, and a hardware design that prevents the ground terminals and differential signal terminals from being completely blocked on both sides of the above-mentioned pair of differential signal terminals, The paired differential signal terminals can effectively and quickly transmit high-frequency signals, coupled with effectively widening the width of the conductive terminals and shortening the length of the conductive terminals, can directly reduce the impedance of the conductive terminals exposed to the air, and indeed reduce the high The main advantages are energy consumption during high-frequency signal transmission, improving the bandwidth of the overall electrical connector structure, and improving the quality of high-frequency signal transmission.

In order to achieve the above-mentioned implementation purpose, the author proposes an electrical connector structure, which at least includes an insulating seat body and a plurality of conductive terminals; the insulating seat system includes a first terminal groove, and the first terminal groove system includes a plurality of The first sectional area, a plurality of first partition walls, and a plurality of first spacers, wherein two adjacent first sectional areas are completely isolated by the first partition wall, and the first spacers are arranged on the second An inner part of a truncated area, the insulating base body further includes a first side wall, the first side wall is arranged on the same side of the inner part of the first truncated area; a plurality of conductive terminals include a plurality of The first conductive terminal, each first conductive terminal is a first differential signal terminal or a first ground terminal, wherein the two first differential signal terminals and the two first ground terminals adjacently arranged are inserted in the first cut-off area , wherein in the first cut-off region, the two first ground terminals are respectively arranged on opposite sides of the two first differential signal terminals, and a first spacer is arranged between the two adjacent first conductive terminals, Every second spacer forms a first terminal accommodating groove, and the conductive terminal further includes a main body and a contact portion connected to one end of the main body, the main body is disposed in the first terminal accommodating groove, and the contact portion is far away from the first The wall of the terminal accommodating groove, and a first convex rib is formed between the wall of the first terminal accommodating groove and the contact portion of the first conductive terminal.

The electrical connector structure as described above, wherein the insulating base body further includes a second terminal slot disposed on one side of the first terminal slot, and a card slot, the second terminal slot includes a plurality of second A cut-off area, a plurality of second partition walls, and a plurality of second partitions, wherein two adjacent second cut-off regions are completely isolated by the second partition wall, and the second partition is opposite to the first The spacer is connected and arranged on the inner side of the second sectional area, and the insulating seat body further includes a second side wall, the second side wall is arranged on the same side of the inner side of the second sectional area, and the inner side of the second sectional area is opposite to In the inner part of the first cut-off area, the card slot is opened between the first terminal groove and the second terminal groove, and the plurality of conductive terminals include a plurality of second conductive terminals inserted in the second cut-off area, each The second conductive terminal is the second differential signal terminal or the second ground terminal, and the two second differential signal terminals and the two second ground terminals adjacent to each other are inserted in the second cut-off area, wherein the second cut-off area Among them, the two second grounding terminals are respectively arranged on opposite sides of the two second differential signal terminals, and a second spacer is arranged between two adjacent second conductive terminals, and each second spacer forms a A second terminal accommodating groove, the main part of the conductive terminal is arranged in the second terminal accommodating groove, and the contact part is away from the wall surface of the second terminal accommodating groove, and the wall surface of the second terminal accommodating groove is in contact with the second conductive terminal A second convex rib is formed between the contact parts.

The electrical connector structure as described above, wherein each conductive terminal includes a contact portion and a welding portion connected to the contact portion, the contact portion has a first width, the welding portion has a second width, and the first width is between 0.66 mm to 0.82 mm, and the second width is between 0.52 mm to 0.68 mm.

The electrical connector structure 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 portion of the first spacer or the second spacer that is at least partially removed adjacent to the insertion opening of the card slot is removed.

The electrical connector structure as described above, wherein the first terminal groove system may further include at least one first slot, the first slot is adjacent to the first truncation area, and between the first slot and the first truncation area It is completely isolated by the first partition wall, and one of the plurality of conductive terminals can be further disposed in the first slot.

The electrical connector structure as described above, wherein the second terminal slot includes at least one second slot, the second slot is adjacent to the second truncation area, and the second slot and the second truncation area are connected by a second The partition wall is completely insulated, and one of the plurality of conductive terminals can be further disposed in the second slot.

The above-mentioned electrical connector structure, wherein between the first terminal groove and the card slot further includes at least one first carrier plate and at least one second carrier plate, the first carrier plate is arranged between the first terminal groove and the board Between the card slots, the second bearing plate is arranged between the second terminal slot and the card slot.

The electrical connector structure described above, wherein the electrical connector structure complies with a PCIe fifth generation standard.

In the electrical connector structure described above, the card slot can further provide a card to be plugged in, and the card has an electronic circuit inside.

In the electrical connector structure described above, the conductive terminal system further includes an abutment portion, one end of the abutment portion is connected to the contact portion, and two ends of the contact portion are respectively connected to the abutment portion and the main body.

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

In the electrical connector structure described above, 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 electrical connector structure above, wherein the soldering portion protrudes from the insulating base and is fixed on a circuit board in a fixed manner.

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

Thus, the structure of the electrical connector of the present invention is mainly by providing a pair of differential signal terminals that are not completely blocked and two ground terminals in any terminal slot that is stacked up and down. The hardware design on both sides of the ground terminal and the differential signal terminal is not completely blocked, so that the paired differential signal terminals can effectively and quickly transmit high-frequency signals. On the other hand, the ribs are also close to the conductive terminals. The design of the contact part uses the characteristic that the dielectric constant of the convex rib is greater than that of air, so that the relative dielectric constant around the plurality of conductive terminals is relatively large, thereby achieving the effect of reducing impedance, and effectively widening the conductive terminals. The width of the conductive terminal and the shortened length of the conductive terminal can directly reduce the impedance of the conductive terminal exposed to the air, and indeed reduce the energy loss during high-frequency signal transmission, increase the bandwidth of the overall electrical connector structure, and improve the quality of high-frequency signal transmission and other major advantages.

In order for Ligui examiners to understand the technical characteristics, content and advantages of this creation and the effects it can achieve, this creation is hereby accompanied by drawings and described in detail in the form of an embodiment as follows, and the drawings used in it, its The subject matter is only for illustration and auxiliary instructions, and may not be the true proportion and precise configuration of this creation after its implementation. Therefore, the scale and configuration relationship of the attached drawings should not be interpreted or limited to the scope of rights of this creation in actual implementation. Together first describe.

First, please refer to Figures 1 to 8, which are a front view of the overall structure, a rear view of the overall structure, an exploded view of the overall structure, a side view of the overall structure, and conductive terminals of a preferred embodiment of the electrical connector structure of the present invention. Setup schematic diagram (1), conductive terminal setup schematic diagram (2), conductive terminal partial schematic diagram (1), and conductive terminal partial schematic diagram (2), wherein the electrical connector structure (1) of the present invention consists of at least one insulating base body ( 10) combined with 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), and a plurality of differential signal terminals (21 ) are paired with each other to transmit positive differential signals and negative differential signals, and there is a ground terminal (22) on opposite sides of the paired differential signal terminals (21). Without loss of generality, another ground terminal (22) may also 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 especially the fifth generation of PCIe), the definition of the conductive terminal (20) can refer to "https://zh.wikipedia.org/wiki/PCI_Express", a plurality of conductive terminals (20 ) In addition to the above-mentioned plurality of differential signal terminals (21) and plurality of ground terminals (22), there are other signal terminals or power terminals. The electrical connector structure (1) of this invention is mainly aimed at pairs of differential signal terminals (21) Carry out hardware design with the two ground terminals (22) adjacent to the paired differential signal terminal (21), so that the paired differential signal terminal (21) can effectively and quickly transmit high-frequency signals .

The electrical connector structure (1) of the present invention has a first terminal groove (11) and a second terminal groove (12) stacked up and down, and is assembled inside the first terminal groove (11) and the second terminal groove (12). Two adjacent and paired conductive terminals (20) for differential signals are provided. By not completely blocking the paired differential signal terminals (21) and making the two ground terminals (22) adjacent to the paired differential signal terminals (21) not completely blocked from the differential signal terminals (21) The hardware design allows the two differential signal terminals (21) to transmit high-frequency signals more effectively and quickly, plus effectively widens the width of the conductive terminal (20) and shortens the width of the conductive terminal (20) The hardware design of the length (L) can further directly reduce the impedance of the conductive terminal (20) exposed to the air, which can indeed reduce the energy loss during high-frequency signal transmission and improve the frequency of the overall electrical connector structure (1). The main advantages of wide and improve the quality of high-frequency signal transmission. Further, the above two conductive terminals (20) are not completely blocked means that there is no spacer and partition wall, or a spacer whose height is smaller than the partition wall, that is, the meaning that the intermediate insulating object is at least partially erased . In the embodiment of the present invention, the example in which the two conductive terminals (20) are not completely blocked is described by taking a spacer whose height is smaller than the partition wall between the two conductive terminals (20) as an example.

The insulating base (10) is at least composed of a first terminal slot (11), a second terminal slot (12) and a card slot (13), wherein the first terminal slot (11) It is composed of at least a plurality of first truncation areas (111), a plurality of first partition walls (112), a plurality of first spacers (113), a plurality of first slots (114) and a first bearing plate (115) ), any two adjacent first truncation areas (111) are completely isolated by the first partition wall (112), and the first truncation area (111) and the first slot ( 114) are completely isolated by the first partition wall (112), and the first partitions (113) are arranged on an inner side of the first cut-off area (111), and the insulating base ( 10) further comprising a first side wall (116) and an inner side wall (14), the first side wall (116) is arranged on the same side of the inner side of the first cut-off area (111), and the inner side wall (14) Then it is arranged on the other side of the inner part, for example: the inner part of the first truncated area (111) (Fig. 6, the upper inner side of the first truncated area (111)) is provided with the first spacers (113), the first spacers (113) compared with the first partition wall (112), the first spacers (113) do not completely block the conductive terminals (20), in detail Said, please also refer to shown in Figure 5, the first partition wall (112) extends from the first side wall (116) to the inner side wall (14), and the first partitions (113) extend from the first side wall (116) extends slightly, but does not extend to the inner wall (14), that is, the height (H2) of the first partition wall (112) is greater than the height (H1) of the first partition (113). On the other hand, please also refer to the partial enlarged view of Fig. 6, the boundary (B) of the first spacer (113), the second spacer (123) or both of them and the inner wall (14) ) alignment without protruding from the boundary (B), so as to prevent the electrical connector structure (1) from being in firm contact with the corresponding joint when inserted. In a preferred embodiment of the present invention, the inner part of the first truncated area (111) (as shown in Figure 6, the upper inner side of the first truncated area (111)) is provided with three equal intervals. A first spacer (113); in addition, the first bearing plate (115) is arranged between the first terminal groove (11) and the card slot (13), wherein the first bearing plate (115 ) can be used to support the conductive terminals (20) disposed in the first terminal groove (11). In a preferred embodiment of the invention, the first partition wall (112) is composed of the first partition (113) and a wallboard (not shown), but the invention is not limited thereto. The first partition wall (112) can also be formed by a single wall panel (not shown).

In addition, the second terminal groove (12) is arranged on one side of the first terminal groove (11), for example: the lower side, wherein the second terminal groove (12) is at least composed of a plurality of second cut-off regions (121), a plurality of second partition walls (122), a plurality of second spacers (123), a plurality of second slots (124) and a second bearing plate (125), any two-phase Adjacent second sectional areas (121) are completely isolated by the second partition wall (122), and the second sectional area (121) and the second slot (124) are separated by the second The partition wall (122) is completely insulated, and the second partitions (123) are arranged on an inner side of the second sectional area (121) relative to the inner side of the first sectional area (111), The insulating seat (10) further includes a second side wall (126), the second side wall (126) is arranged on the same side of the inner part of the second cut-off area (121), and the inner side wall (14) is arranged On the other side of the inner part of the second cut-off area (121), therefore, the inner wall (14) is arranged between the first side wall (116) and the second side wall (126), for example: the first The inner part (the 6th figure, the lower inner side of the second cut-off area (121)) of the two cut-off regions (121) is provided with the second partitions (123), and the second partitions (123) are compared with For the second partition wall (122), the second spacers (123) do not completely block the conductive terminals (20). Specifically, please refer to Figure 5, the second The 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 partition (123). On the other hand, please also refer to the partial enlarged view of Fig. 6, the boundary (B) of the first spacer (113), the second spacer (123) or both of them and the inner wall (14) ) alignment without protruding from the boundary (B), so as to prevent the electrical connector structure (1) from being in firm contact with the corresponding joint when inserted. In a preferred embodiment of the present invention, the inner part of the second truncated area (121) (as shown in Fig. 6, the lower inner side of the second truncated area (121)) is provided with three equal intervals. A second spacer (123); in addition, the second bearing plate (125) is arranged between the second terminal groove (12) and the card slot (13), wherein the second bearing plate (125 ) can be used to support the conductive terminals (20) disposed in the second terminal groove (12). In a preferred embodiment of the invention, the second partition wall (122) can also be composed of the second partition (123) and a wallboard (not shown), but the invention is not limited thereto , the second partition wall (122) can also be formed by a single wallboard (not shown).

Furthermore, each conductive terminal (20) is at least composed of a contact portion (23), a welding portion (24), an abutment portion (25) and a main body portion (26). Please also Referring to Fig. 4, every second spacer (113) forms a first terminal accommodating groove (118), and the conductive terminal (20) includes the main body (26) and the main body (26) The contact portion (23) at one end, the main body portion (26) is disposed in the first terminal accommodating groove (118), and the contact portion (23) is away from the wall surface of the first terminal accommodating groove (118), And a first rib (117) is formed between the wall surface of the first terminal accommodating groove (118) and the contact portion (23), and the first rib (117) passes through the contact close to the conductive terminal (20). The design of the part (23) utilizes the characteristic that the dielectric constant of the first convex rib (117) is greater than that of air, so that the relative dielectric constant around the plurality of conductive terminals (20) is relatively large (note: the conductive terminal (20) The surrounding relative permittivity is originally the difference between the conductive terminal (20) and the air permittivity, but using the design of the first rib (117), the relative permittivity around the conductive terminal (20) is the conductive terminal ( 20) and the first convex rib (117) in the dielectric constant difference, thus increasing the relative dielectric constant around the conductive terminal (20)), thereby achieving the effect of reducing impedance. On the other hand, every second spacer (123) forms a second terminal accommodating groove (128), and the main body (26) of the conductive terminal (20) is arranged in the second terminal accommodating groove (128). ), and the contact portion (23) is away from the wall surface of the second terminal accommodating groove (128), and a second protrusion is formed between the wall surface of the second terminal accommodating groove (128) and the contact portion (23). Rib (127), the second rib (127) through the design of the contact portion (23) close to the conductive terminal (20), utilizes the dielectric constant of the second rib (127) to be greater than the dielectric constant of air The characteristic makes the relative permittivity around the plurality of conductive terminals (20) relatively large, thereby achieving the effect of reducing impedance.

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 first spacer is at least partially removed (113) or the second spacer (123) refers to the removal of the part adjacent to the insertion opening of the board slot (13), so the first spacer (113) or the second spacer (113) is at least partially removed. The height (H1) and (H3) of the two spacers (123) near the insertion port are compared with the heights of other places of the first spacer (113) or the second spacer (123) which are at least partially removed ( H1), (H3) come lower, moreover, make the boundary (B) of this first spacer (113) or this second spacer (123) and this inner side wall (14) that is removed at least partially Aligned, but still not protruding beyond the border (B).

In this creative embodiment, the formation methods of the first partitions (113), the first partition walls (112), the second partitions (123) and the second partition walls (122) can be A plurality of partitions and a plurality of wallboards connected to the plurality of partitions are first formed simultaneously, wherein the plurality of wallboards are erased to form the first partition (113) and the second partitions (123) ), and the unerased wall panels and the corresponding partitions form the first partition walls (112) and the second partition walls (122). However, the above-mentioned formation methods of the first partitions (113), the first partition walls (112), the second partitions (123) and the second partition walls (122) are not intended to limit the present invention. creation.

Furthermore, the board slot (13) is opened between the first terminal slot (11) and the second terminal slot (12), that is, the board slot (13) is formed 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 with an electronic circuit (not shown in the drawing) inside, for example, a sound card, a network card, a mining card or a display card, etc., and this creation is not limited thereto.

A plurality of conductive terminals (20) are respectively inserted in the first cut-off area (111) and the second cut-off area (121), wherein the first cut-off area (111) of the first terminal groove (11) is inserted The conductive terminal (20) inside is called the first conductive terminal (201), and the conductive terminal (20) inserted in the second cut-off area (121) of the second terminal groove (12) is called the second conductive terminal. 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 also refer to Figures 9 to 11, which are a schematic diagram of the arrangement of conductive terminals, a schematic diagram of the structure of the conductive terminals, and a perspective view of the structure of the conductive terminals in a preferred embodiment of the electrical connector structure of the present invention. In the setting pattern in the groove (11), each of the first cut-off regions (111) is inserted with four conductive terminals (20), which are respectively paired two differential signal terminals (21) and two The ground terminal (22), wherein the paired two differential signal terminals (21) are arranged adjacent to each other in the middle of the first cut-off area (111), and the two ground terminals (22) are They are arranged on opposite sides of the differential signal terminals (21), that is, each of the ground terminals (22) is adjacent to one of the differential signal terminals (21), for example, the differential signal terminal ( The ground terminal (22) is provided on the left side of 21), and the ground terminal (22) is provided 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 spacer (113) is arranged between any two adjacent conductive terminals (20) for positioning, and the two adjacently arranged differential signal terminals ( 21) There is no first partition wall (112) between, and there is no first partition wall (112) between any one of the differential signal terminals (21) and its adjacent ground terminal (22), wherein The first spacing (S1) between the two conductive terminals (20) is about 0.24mm, and the second spacing between the central position of the conductive terminal (20) and the central position of the adjacent conductive terminal (20) (S2) is about 1 mm; that is to say, the first spacer (113) is arranged between the two differential signal terminals (21), and the differential signal terminal (21) and its adjacent ground terminal (22) The first spacer (113) is arranged between them to achieve the effect 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 ) is used to absorb and shield the noise and interference generated by the differential signal terminals (21) when transmitting high-frequency signals. This is because the amplitude of the high-frequency signals transmitted by the same pair of differential signal terminals (21) is the same , but the phases are opposite, so there is a high-frequency interference problem between the same pair of differential signal terminals (21), if the ground terminals (22) that are not completely blocked are directly arranged on both sides of the same pair of differential signal terminals (21), Then the ground terminals (22) can effectively absorb the noise and interference generated by the differential signal terminals (21); moreover, the first slot (114) is also provided with the conductive terminals (20) One, and the type of the conductive terminal (20) of this part is determined according to the PCIe standard specification (especially the fifth generation standard of PCIe).

In addition, the second terminal groove (12) has the same arrangement as the first terminal groove (11), wherein each of the second cut-off regions (121) is also inserted with four conductive terminals (20), respectively Two pairs of the differential signal terminals (21) and two ground terminals (22), wherein the paired two differential signal terminals (21) are arranged adjacent to each other in the second cut-off area (121) The middle position, and the two ground terminals (22) are respectively arranged on the opposite sides of the differential signal terminals (21), that is, each of the ground terminals (22) is connected to one of the differential signal terminals ( 21) Arranged adjacently, for example, the ground terminal (22) is provided on the left side of the differential signal terminal (21) on the left side of the middle, and the ground terminal (22) is provided on the right side of the differential signal terminal (21) on the right side of the middle. In each of the second cut-off regions (121), the second spacer (123) is arranged between any two adjacent conductive terminals (20) for positioning, and the two adjacent differential signal terminals ( 21) there is no second partition wall (122), and there is no second partition wall (122) between any one of the differential signal terminals (21) and its adjacent ground terminal (22). The first spacing (S1) between the two conductive terminals (20) is about 0.24mm, and the second spacing ( S2) is about 1 mm; that is to say, the second spacer (123) is provided between the two differential signal terminals (21), and the differential signal terminal (21) and the ground terminal (22) are provided There is the second spacer (123) to achieve the effect 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 It is used to absorb and shield the noise and interference generated by these differential signal terminals (21) when transmitting high-frequency signals. This is because the amplitude of the high-frequency signals transmitted by the same pair of differential signal terminals (21) is the same, but the phase On the contrary, there is a high-frequency interference problem between the same pair of differential signal terminals (21), if the ground terminals (22) that are not completely blocked are directly arranged on both sides of the same pair of differential signal terminals (21), it can be effective Absorb the noise and interference generated by the differential signal terminals (21); moreover, the second slot (124) is also provided with one of the conductive terminals (20), and the conductive terminal of this part The type of (20) is determined according to the PCIe standard (especially the PCIe fifth generation standard).

Furthermore, the conductive terminal (20) further includes an abutment portion (25), one end of the abutment portion (25) is connected to the contact portion (23), and the two ends of the contact portion (23) are respectively connected to The abutment portion (25) and the main body portion (26), and each of the conductive terminals (20) includes a welding portion (24) connected to the other end of the contact portion (23), wherein as in the eleventh As shown in the figure, the conductive terminal (20) is respectively provided with the contact portion (25), the contact portion (23) physically connected to the contact portion (25), and the contact portion (23) physically connected to the contact portion (23) from left to right. ) of the main body (26), and the welding portion (24) physically connected to the main body (26), wherein the abutting portion (25) is abutted against the first terminal groove (11) and against the first The supporting plate (115), and the welding part (24) protrudes from the insulating base (10) and is fixed on a circuit board (not shown in the drawing, the circuit board is, for example, a main board or a card slot expansion board) in a fixed manner ), wherein the fixing method can be divided into one of surface mount and dual-in-line packaging. In a preferred embodiment of this invention, the soldering part (24) is a dual-in-line package fixed on the circuit board.

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, the best is 0.76mm, and the second width (W2) is between 0.52mm to 0.68mm, the best is 0.65mm; in addition, the contact portion (25) has a The third width (W3), the third width (W3) is preferably 0.34mm; the width of the conductive terminal (20) of the electrical connector structure (1) of the present invention is wider than the traditional conductive terminal, and the length is also longer. Short, the length (L) of the conductive terminal (20) of this creation is about 9.63mm, and this is because when the signal bandwidth transmitted is higher, the wavelength will be shorter, if the length of the conductive terminal (20) becomes shorter , then the bandwidth of the electrical connector structure (1) can be improved.

In addition, please also refer to Fig. 12A and Fig. 12B, which are schematic diagrams of the impedance time-varying curves obtained by measuring the structure of the electrical connector of the present invention and the traditional conductive terminal with an impedance time-domain reflectometer (TDR). Figure 12A represents a schematic diagram of the curve of the impedance of a traditional conductive terminal changing with time. The unit of the X-axis is time (nanoseconds, ns for short), and the unit of the Y-axis is impedance (ohms). The widths are 0.7mm and 0.54mm, respectively, and the measured impedance is greater than 90 ohms at a point around 0.65 nanoseconds (nanoseconds, referred to as ns), as shown in the two peaks in Figure 12A, while Figure 12B The figure is a schematic curve diagram representing the impedance of the conductive terminal (20) of the electrical connector structure (1) of the present invention changing with time, wherein the contact portion (23) and the welding portion (24) of the conductive terminal (20) The first width (W1) and the second width (W2) have been widened from the width of the traditional conductive terminal to 0.76mm and 0.65mm, and the impedance of the overall electrical connector structure (1) is 0.65 nanoseconds (nanoseconds, referred to as ns) drops to a level lower than about 85 ohms, so the electrical connector structure (1) of the present invention can effectively reduce the impedance of the conductive terminal (20) exposed to the air, so as to reduce the high-frequency signal transmission. The purpose of energy consumption.

It can be seen from the above description of implementation that, compared with the prior art and products, the invention has the following advantages. The electrical connector structure of the present invention is mainly by arranging a pair of differential signal terminals that are not completely blocked inside any terminal slot that is stacked up and down, and arranging two ground terminals on both sides of the above pair of differential signal terminals. The hardware design that prevents the ground terminal and the differential signal terminal from being completely blocked allows the paired differential signal terminals to transmit high-frequency signals effectively and quickly. Design, using the characteristic that the dielectric constant of the convex rib is greater than that of air, the relative dielectric constant around the plurality of conductive terminals is relatively large, thereby achieving the effect of reducing impedance, and effectively widening the width and shortening of the conductive terminals. The length of the conductive terminal can directly reduce the impedance of the conductive terminal exposed to the air, and indeed achieve the main advantages of reducing energy loss during high-frequency signal transmission, improving the bandwidth of the overall electrical connector structure, and improving the quality of high-frequency signal transmission.

To sum up, the electrical connector structure of this creation can indeed achieve the expected use effect through the above disclosed embodiments, and this creation has not been disclosed before the application, and it has fully complied with the provisions and requirements of the patent law . ￠It is really convenient to file an application for a new type patent in accordance with the law and ask for the review and approval of the patent.

However, the illustrations and descriptions disclosed above are only preferred embodiments of this creation, and are not intended to limit the scope of protection of this creation; generally, those who are familiar with this technology will rely on the characteristics of this creation to make other works. Equivalent changes or modifications shall be considered as not departing from the scope of the design of this creation.

(1): Electrical connector structure (10): Insulation seat body (11): The first terminal slot (111): the first truncation area (112): the first partition wall (113): the first spacer (114):First slot (115): the first bearing plate (116): first side wall (117): the first convex rib (118): the first terminal accommodating groove (12):Second terminal slot (121): the second truncation area (122): second partition wall (123): second spacer (124): Second slot (125): the second bearing plate (126): second side wall (127): second convex rib (128): the second terminal accommodating groove (13):Board slot (14): inner wall (20): Conductive terminal (201): the first conductive terminal (202): the second conductive terminal (21): Differential signal terminal (22): Ground terminal (23): contact part (24): welding part (25): contact part (26): Main body (30): board (L): Length (B): Boundary (H1, H2, H3, H4): Height (S1): first spacing (S2): second spacing (W1): first width (W2): second width (W3): third width

Figure 1: a front view of the overall structure of a preferred embodiment of the electrical connector structure of the present invention; Fig. 2: a rear view of the overall structure of a preferred embodiment of the electrical connector structure of the present invention; Figure 3: An exploded view of the overall structure of a preferred embodiment of the electrical connector structure of the present invention; Figure 4: a side view of the overall structure of a preferred embodiment of the electrical connector structure of the present invention; Figure 5: a schematic diagram of the arrangement of conductive terminals in a preferred embodiment of the electrical connector structure of the present invention (1); Figure 6: a schematic diagram of the arrangement of conductive terminals in a preferred embodiment of the electrical connector structure of the present invention (2); Fig. 7: Partial schematic diagram (1) of the conductive terminal of a preferred embodiment of the electrical connector structure of the present invention; Figure 8: Partial schematic diagram of the conductive terminal of a preferred embodiment of the electrical connector structure of the present invention (2); Figure 9: a schematic diagram of the arrangement of conductive terminals in a preferred embodiment of the electrical connector structure of the present invention; Figure 10: a schematic diagram of the conductive terminal structure of a preferred embodiment of the electrical connector structure of the present invention; Figure 11: A three-dimensional view of the conductive terminal structure of a preferred embodiment of the electrical connector structure of the present invention; Fig. 12A, Fig. 12B: The schematic diagram of the curve of the impedance of the conductive terminal of a preferred embodiment of the inventive electrical connector structure changing with time.

(1): Electrical connector structure

(10): Insulation seat body

(11): The first terminal slot

(12):Second terminal slot

(20): Conductive terminal

Claims (16)

An electrical connector structure at least includes: An insulating base (10) includes a first terminal groove (11), the first terminal groove (11) includes a plurality of first cut-off regions (111), a plurality of first partition walls (112), and a plurality of first partitions (113), wherein the two adjacent first cut-off regions (111) are completely isolated by the first partition wall (112), and the first partitions (113) It is arranged on an inner side of the first cut-off area (111), and the insulating base (10) further includes a first side wall (116), and the first side wall (116) is set on the first cut-off area (111) on the same side as the inner portion; and A plurality of conductive terminals (20), including 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 the two first differential signal terminals (21) and the two first ground terminals (22) adjacently arranged are inserted in the first cut-off area (111 ), wherein in the first cut-off region (111), the two first ground terminals (22) are respectively arranged on opposite sides of the two first differential signal terminals (21), and the adjacent two The first spacer (113) is arranged between the first conductive terminals (201), and every two of the first spacers (113) form a first terminal accommodating groove (118), and the conductive terminal (20) is further It includes a main body part (26) and a contact part (23) connected to one end of the main body part (26), the main body part (26) is arranged in the first terminal accommodating groove (118), and the contact part (23 ) away from the wall surface of the first terminal accommodating groove (118), and a first protrusion is formed between the wall surface of the first terminal accommodating groove (118) and the contact portion (23) of the first conductive terminal (201). Rib (117). The electrical connector structure as claimed in claim 1, wherein the insulating base (10) further includes a second terminal slot (12) disposed on one side of the first terminal slot (11) and a card insert slot (13), the second terminal slot (12) includes a plurality of second cut-off regions (121), a plurality of second partition walls (122), and a plurality of second spacers (123), wherein adjacent The two second sectional areas (121) are completely isolated by the second partition wall (122), and the second partitions (123) are separated from the first partitions (113). connected to one inner side of the second sectional area (121), the insulating seat (10) further includes a second side wall (126), and the second side wall (126) is set in the second sectional area (121) On the same side of the inner side of the second cut-off area (121), the inner side of the second cut-off area (121) is opposite to the inner side of the first cut-off area (111), and the board slot (13) is opened in the first cut-off area (111). between the terminal slot (11) and the second terminal slot (12), and the conductive terminals (20) include a plurality of second conductive terminals (202) inserted in the second cut-off area (121) and each of the The second conductive terminal (202) is a second differential signal terminal (21) or a second ground terminal (22), and the two second differential signal terminals (21) and the two second ground terminals adjacently arranged The terminal (22) is inserted in the second cut-off area (121), wherein in the second cut-off area (121), the two second ground terminals (22) are respectively arranged on the two second differential signal terminals (21) on opposite sides, and between the two adjacent second conductive terminals (202), the second spacer (123) is arranged, and every two of the second spacers (123) form a second spacer (123). a terminal accommodating groove (128), and the main body portion (26) of the conductive terminal (20) is arranged in the second terminal accommodating groove (128), and the contact portion (23) is away from the second terminal accommodating The wall surface of the groove (128), and a second convex rib (127) is formed between the wall surface of the second terminal accommodating groove (128) and the contact portion (23) of the second conductive terminal (202). The electrical connector structure as claimed in claim 2, wherein each of the conductive terminals (20) includes a welding portion (24) connected to the other end of the contact portion (23), and the contact portion (23) has A first width (W1), the welding portion (24) has a second width (W2), the first width (W1) is between 0.66 millimeters and 0.82 millimeters, and the second width (W2) is Between 0.52 mm and 0.68 mm. The electrical connector structure as claimed in item 2, wherein a height (H1) of the first spacer (113) is smaller than a height (H2) of the first partition (112), and the second spacer ( 123) has a height (H3) smaller than a height (H4) of the second partition wall (122). The electrical connector structure according to claim 2, wherein the first spacer (113) or the second spacer (123) or both are at least partially removed. The electrical connector structure according to claim 5, wherein the first spacer (113) or the second spacer (123) which is at least partially removed is adjacent to the insertion opening of the card slot (13) part is removed. The electrical connector structure according to claim 2, wherein the first terminal groove (11) further includes at least one first slot (114), and the first slot (114) is adjacent to the first cut-off area (111), and the first slot (114) and the first cut-off area (111) are completely isolated by the first partition wall (112), and one of the conductive terminals (20) is It is further arranged in the first slot (114). The electrical connector structure as claimed in item 2, wherein the second terminal slot (12) further includes at least one second slot (124), and the second slot (124) is adjacent to the second cut-off area (121), and the second slot (124) and the second cut-off area (121) are completely isolated by the second partition wall (122), and one of the conductive terminals (20) is further Set in the second slot (124). The electrical connector structure according to claim 2, wherein the insulating base (10) further includes at least one first carrier plate (115) and at least one second carrier plate (125), the first carrier plate (115) It is arranged between the first terminal slot (11) and the board slot (13), and the second bearing plate (125) is arranged between the second terminal slot (12) and the board slot (13). )between. The electrical connector structure according to claim 2, wherein the electrical connector structure (1) complies with a PCIe fifth generation standard. The electrical connector structure according to claim 2, wherein the board slot (13) further provides a board (30) to be inserted, and an interior of the board (30) has an electronic circuit. The electrical connector structure as described in claim 3, wherein the conductive terminal (20) further includes an abutment portion (25), one end of the abutment portion (25) is connected to the contact portion (23), and the contact Both ends of the part (23) are respectively connected to the contact part (25) and the main body part (26). The electrical connector structure according to claim 12, wherein the insulating base (10) further includes at least one first carrier plate (115), and the first carrier plate (115) is arranged in the first terminal groove (11 ) and the board slot (13); wherein the abutment portion (25) of the conductive terminal (20) located in the first terminal slot (11) abuts against the first terminal slot (11) And butt against the first bearing plate (115). The electrical connector structure according to claim 12, wherein the insulating base (10) further includes at least one second carrier plate (125), and the second carrier plate (125) is arranged in the second terminal groove (12 ) and the board slot (13); wherein the abutment portion (25) of the conductive terminal (20) in the second terminal slot (12) abuts against the second terminal slot (12) And butt against the second bearing plate (125). The electrical connector structure according to claim 12, wherein the welding portion (24) protrudes from the insulating base (10) and is fixed on a circuit board in a fixed manner. The electrical connector structure according to claim 15, wherein the fixing method is surface mount or dual in-line package.

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