TWI835036B - Connector - Google Patents

Abstract

A connector includes power signal pins and high-speed signal pins. The power signal pins are arranged in a first pin area. The high-speed signal pins are arranged into a second pin area. The first pin area is located next to the second pin area, a width of each of the power signal pins is greater than a width of each of the high-speed signal pin. A distance between two adjacent ones of the power signal pins is greater than a distance between two adjacent ones of the high-speed signal pins.

Description

connector

The present invention relates to a connector, and in particular to a connector integrating high-speed signal pins and power signal pins.

Currently, the high-speed signal connector and the power connector of the server system are two independent connectors provided separately. With the trend of high-density configuration of server systems, how to integrate components within the server system is the direction of research.

The invention provides a connector that integrates a power connector and a high-speed signal connector.

A connector of the present invention includes a plurality of power signal pins and a plurality of high-speed signal pins. These power signal pins are arranged into a first pin area. These high-speed signal pins are arranged into a second pin area, in which the first pin area is located next to the second pin area. The width of each power signal pin is greater than the width of each high-speed signal pin, and among these power signal pins The distance between two adjacent ones is greater than the distance between two adjacent ones of these high-speed signal pins.

In an embodiment of the present invention, the above-mentioned connector further includes a first shielding piece disposed between the first pin area and the second pin area to isolate the power signal pins and the high-speed signal connections. foot.

In an embodiment of the present invention, the above-mentioned connector further includes a plurality of second shielding pieces, which are bent and connected to each other and to the first shielding piece. The first shielding piece and the second shielding pieces together form an annular ring. A shielded housing for these high-speed signal pins.

In an embodiment of the present invention, the above-mentioned connector further includes an insulating member covering a portion of each power signal pin, a portion of each high-speed signal pin and at least a portion of the shielding shell.

In an embodiment of the present invention, the above-mentioned connector further includes an inner shielding piece, the high-speed signal pins are arranged in two rows, and the inner shielding piece is disposed between the two rows.

In an embodiment of the present invention, the above-mentioned connector further includes an insulating member covering a portion of each power signal pin, a portion of each high-speed signal pin and at least a portion of the inner shielding piece.

In an embodiment of the present invention, the dielectric coefficient of the above-mentioned insulating member is greater than 1.

In an embodiment of the present invention, the material of the above-mentioned insulating member includes liquid crystal polymer (LIQUID CRYSTAL POLYMER, LCP).

In an embodiment of the present invention, the distance between two adjacent ones of the above-mentioned power signal pins is between 2 mm and 3 mm.

In an embodiment of the present invention, the distance between two adjacent high-speed signal pins is between 0.4 mm and 0.8 mm.

Based on the above, the power signal pins of the connector of the present invention are arranged into a first pin area. These high-speed signal pins are arranged into a second pin area, and the first pin area is located next to the second pin area. That is to say, the connector of the present invention integrates a power connector and a high-speed signal connector, thereby simplifying components, saving space and cost. In addition, the width of the power signal pins is greater than the width of the high-speed signal pins, and the distance between two adjacent ones of these power signal pins is greater than the distance between two adjacent ones of these high-speed signal pins, so that the power signal pins It can transmit electrical signals stably and enable high-speed signal pins to be densely arranged.

Figure 1 is a schematic diagram of a connector according to an embodiment of the present invention. Referring to FIG. 1 , the connector 100 of this embodiment is, for example, a female connector provided on a circuit board. Specifically, the connector 100 of this embodiment is, for example, a connector used in servers and supports Gen 4/Gen 5/Gen 6/Gen Z. Of course, the type of connector 100 in this embodiment is not limited thereto.

The connector 100 of this embodiment includes a plurality of power signal pins 110 and a plurality of high-speed signal pins 120 . These power signal pins 110 are arranged into a first pin area 102 . These high-speed signal pins 120 are arranged into a second pin area 104 . The first pin area 102 is located next to the second pin area 104 .

As can be seen from FIG. 1 , the width W1 of each power signal pin 110 is larger than the width W2 of each high-speed signal pin 120 . The width W1 is, for example, 2 to 5 times the width W2, but the relationship between the widths W1 and W2 is not limited to this.

In addition, the distance D1 between two adjacent ones of the power signal pins 110 is greater than the distance D2 between two adjacent ones of the high-speed signal pins 120 . For example, the distance D1 between two adjacent power signal pins 110 is between 2 mm and 3 mm, such as 2.54 mm. The distance D2 between two adjacent high-speed signal pins 120 is between 0.4 mm and 0.8 mm, for example, 0.5 mm. Of course, the distances D1 and D2 are not limited to this.

In this embodiment, the connector 100 integrates the power connector 100 and the high-speed signal connector 100, thereby simplifying components, saving space and cost. In addition, in this embodiment, the distance D2 between two adjacent high-speed signal pins 120 is smaller than the conventional distance, which can save space.

In addition, the width of the power signal pins 110 is greater than the width of the high-speed signal pins 120, and the distance between two adjacent ones of these power signal pins 110 is greater than the distance between two adjacent ones of these high-speed signal pins 120, so that The power signal pins 110 can stably transmit electrical signals, and enable the high-speed signal pins 120 to be densely arranged.

It should be noted that the number of high-speed signal pins 120 and power signal pins 110 in FIG. 1 is only for illustration. For example, the currently illustrated power signal pins 110 can transmit 6 amps of current. To support 24 amps, four sets of the currently illustrated power signal pins 110 can be provided. In addition, the high-speed signal pins 120 can also be increased or decreased. Taking Gen 5 as an example, the highest specification of the high-speed signal pins 120 is, for example, 148 pins. The designer can increase or decrease it according to the needs to meet the required number of pins. .

It is worth mentioning that in order to improve the isolation between high-speed signals and power signals and avoid signal interference, the connector 100 of this embodiment also has a special design, which will be described below.

FIG. 2 is a perspective cross-sectional view from another perspective along line A-A of FIG. 1 . FIG. 3 is a perspective cross-sectional view along line B-B of FIG. 1 . FIG. 4 is a schematic view of the connector of FIG. 1 with the insulating member hidden. FIG. 5 is a perspective cross-sectional view along line C-C in FIG. 4 .

Referring to FIGS. 2 to 5 , the connector 100 further includes a first shielding piece 132 ( FIG. 4 ) disposed between the first pin area 102 and the second pin area 104 to separate these power signal pins. 110 and these high speed signal pins 120. In addition, as shown in FIG. 4 , in this embodiment, the connector 100 further includes a plurality of second shielding pieces 134 , which are bent and connected to each other and to the first shielding piece 132 . The first shielding piece 132 is connected to these second shielding pieces 134 . The shielding pieces 134 together form a shielding case 130 surrounding these high-speed signal pins 120. The material of the shielding case 130 may be metal (eg, iron).

That is to say, the shielding case 130 surrounds the high-speed signal pin 120 to prevent the high-speed signal from being interfered by external or power signals. Specifically, the shielding case 130 can shield the inductance caused by the power supply during transmission and eliminate electromagnetic interference (EMI). In addition, the shielding case 130 can also be grounded, for example, connected to the ground plane of the motherboard (not shown) to guide noise to the ground to provide better shielding effect.

It is worth mentioning that, as shown in FIGS. 3 and 5 , the connector 100 further includes an inner shielding piece 140 . The inner shielding piece 140 can be made of metal (for example, iron). These high-speed signal pins 120 are arranged in two. row, the inner shielding piece 140 is disposed between the two rows of high-speed signal pins 120 to reduce interference between the two rows of high-speed signal pins 120, thereby reducing far-end crosstalk and near-end crosstalk. The inner shielding piece 140 can also be grounded, for example, connected to the ground plane of the motherboard (not shown) to guide noise to the ground to provide better shielding effect.

In addition, as shown in FIGS. 1 and 3 , in this embodiment, the connector 100 further includes an insulating member 150 covering a portion of each power signal pin 110 , a portion of each high-speed signal pin 120 , and a shielding shell. 130 and at least a part of the inner shielding sheet 140 to make the assembly more stable and facilitate signal conduction.

The insulating member 150 is used to protect the power signal pins 110 , the high-speed signal pins 120 , the shielding case 130 and the inner shielding piece 140 . Since the dielectric coefficient of air is 1, the insulator 150 is made of a material with a dielectric coefficient greater than 1, which can reduce crosstalk interference.

For example, the material of the insulating member 150 includes liquid crystal polymer (LCP). The dielectric coefficient of the liquid crystal polymer is 3.6, which is greater than the dielectric coefficient of air. Of course, the material of the insulating member 150 and the value of the dielectric coefficient are not limited thereto.

The distance D2 between two adjacent high-speed signal pins 120 of the connector 100 of this embodiment is, for example, 0.5 mm, which can meet the PCI-E specification. In addition, the connector 100 of this embodiment can comply with the transmission specification (32G) of PCI-E Gen 5. In addition, the characteristic impedance of the connector 100 of this embodiment can meet 82 ohms, the insertion loss can meet -1.5dB, the reflection loss can meet -10dB, the crosstalk can meet -40dB, and it can take into account the current resistance of 8 amps. It can meet PCI-E specifications and has good performance.

Figure 6 is a schematic diagram of a connector according to another embodiment of the present invention. FIG. 7 is a schematic diagram showing the insulating member of the connector of FIG. 6 hidden. FIG. 8 is a perspective cross-sectional view from another perspective along line D-D of FIG. 6 . Referring to FIGS. 6 to 8 , the connector 200 of this embodiment is, for example, a male connector of a transmission line, which can be connected to the slot of the female connector 100 of FIG. 2 .

Similarly, in this embodiment, the connector 200 includes a plurality of power signal pins 110 and a plurality of high-speed signal pins 120 . These power signal pins 110 are arranged into a first pin area 102 . These high-speed signal pins 120 are arranged into the second pin area 104 . The first pin area 102 is located next to the second pin area 104 .

The first shielding piece 132 is disposed between the first pin area 102 and the second pin area 104 to separate the power signal pins 110 and the high-speed signal pins 120 . In addition, in this embodiment, the first shielding piece 132 and the second shielding pieces 134 together form a shielding case 130 surrounding the high-speed signal pins 120 . The inner shielding piece 140 is disposed between the two rows of high-speed signal pins 120 to reduce interference between the two rows of high-speed signal pins 120 .

The insulating member 150 covers a portion of each power signal pin 110, a portion of each high-speed signal pin 120, at least a portion of the shielding case 130 and at least a portion of the inner shielding sheet 140 to protect the power signal pins 110 and the high-speed signal pins 110. Pins 120, shielding shell 130 and inner shielding piece 140. In addition, the insulator 150 is made of a material with a dielectric coefficient greater than 1 to reduce crosstalk interference.

Therefore, whether it is the female connector 100 disposed on the circuit board as shown in FIG. 1 or the connector 200 applied to the male connector of the transmission line in this embodiment, the above design can simplify components, save space and save space. cost and the effect of avoiding signal interference.

Figure 9 is a schematic diagram of a connector according to another embodiment of the present invention. FIG. 10 is a perspective cross-sectional view from another perspective along line E-E of FIG. 9 . Referring to FIGS. 9 and 10 , the connector 200a of this embodiment is, for example, a male connector provided on a circuit board, which can be connected to the slot of the female connector 100 of FIG. 2 .

Similarly, in this embodiment, the connector 200a includes a plurality of power signal pins 110 and a plurality of high-speed signal pins 120. These power signal pins 110 are arranged into a first pin area 102 . These high-speed signal pins 120 are arranged into the second pin area 104 . The first pin area 102 is located next to the second pin area 104 .

The first shielding piece 132 is disposed between the first pin area 102 and the second pin area 104 to separate the power signal pins 110 and the high-speed signal pins 120 . In addition, in this embodiment, the first shielding piece 132 and the second shielding pieces 134 together form a shielding case 130 surrounding the high-speed signal pins 120 . The inner shielding piece 140 is disposed between the two rows of high-speed signal pins 120 to reduce interference between the two rows of high-speed signal pins 120 .

The insulating member 150 covers a portion of each power signal pin 110, a portion of each high-speed signal pin 120, at least a portion of the shielding shell 130, and at least a portion of the inner shielding sheet 140 to protect the power signal pin 110, the high-speed signal pin 120, the shielding shell 130, and the inner shielding sheet 140. In addition, the material of the insulating member 150 is selected to have an inductive coefficient greater than 1 to reduce crosstalk interference.

Therefore, whether it is the connector 200 applied to the public end of the transmission line as shown in FIG. 6 or the connector 200a applied to the public end of the circuit board in this embodiment, it can simplify components, save space and cost through the above design. and avoid signal interference.

In summary, the power signal pins of the connector of the present invention are arranged into a first pin area. These high-speed signal pins are arranged into a second pin area, and the first pin area is located next to the second pin area. That is to say, the connector of the present invention integrates a power connector and a high-speed signal connector, thereby simplifying components, saving space and cost. In addition, the width of the power signal pins is greater than the width of the high-speed signal pins, and the distance between two adjacent ones of these power signal pins is greater than the distance between two adjacent ones of these high-speed signal pins, so that the power signal pins It can transmit electrical signals stably and enable high-speed signal pins to be densely arranged. In addition, the shielding housing ring is provided on these high-speed signal pins to avoid interference between the high-speed signal pins and the power signal pins. The inner shielding piece is placed between the two rows of high-speed signal pins, which can also reduce interference between the two rows of high-speed signal pins. Insulators not only protect power signal pins, high-speed signal pins, shielding casings and inner shielding sheets, but also use materials with an inductance coefficient greater than 1 to reduce crosstalk interference.

D1, D2: distance W1, W2: Width 100, 200, 200a: Connector 102: First pin area 104: Second pin area 110: Power signal pin 120:High speed signal pin 130:Shielding shell 132: First shielding piece 134:Second shielding piece 140:Inner shielding piece 150:Insulation parts

Figure 1 is a schematic diagram of a connector according to an embodiment of the present invention. FIG. 2 is a perspective cross-sectional view from another perspective along line A-A of FIG. 1 . FIG. 3 is a perspective cross-sectional view along line B-B of FIG. 1 . FIG. 4 is a schematic view of the connector of FIG. 1 with the insulating member hidden. FIG. 5 is a perspective cross-sectional view along line C-C in FIG. 4 . Figure 6 is a schematic diagram of a connector according to another embodiment of the present invention. FIG. 7 is a schematic diagram showing the insulating member of the connector of FIG. 6 hidden. FIG. 8 is a perspective cross-sectional view from another perspective along line D-D of FIG. 6 . Figure 9 is a schematic diagram of a connector according to another embodiment of the present invention. FIG. 10 is a perspective cross-sectional view from another perspective along line E-E of FIG. 9 .

D1, D2: distance

W1, W2: Width

100:Connector

102: First pin area

104: Second pin area

110: Power signal pin

120:High speed signal pin

140:Inner shielding piece

150:Insulation parts

Claims (9)

A connector includes: a plurality of power signal pins arranged into a first pin area; a plurality of high-speed signal pins arranged into a second pin area, wherein the first pin area is located in the second pin area The width of each power signal pin is greater than the width of each high-speed signal pin, and the distance between two adjacent ones of the power signal pins is greater than the distance between two adjacent ones of the high-speed signal pins; And a first shielding piece is disposed between the first pin area and the second pin area to separate the power signal pins and the high-speed signal pins. The connector according to claim 1, further comprising a plurality of second shielding pieces connected to each other and to the first shielding piece in a bending manner, and the first shielding piece and the second shielding pieces together form an annular ring. A shielded housing for the high-speed signal pins. The connector of claim 2 further includes an insulating member covering a portion of each of the power signal pins, a portion of each of the high-speed signal pins and at least a portion of the shielding shell. The connector of claim 1 further includes an inner shielding piece, the high-speed signal pins are arranged in two rows, and the inner shielding piece is disposed between the two rows. The connector of claim 4 further includes an insulating member covering a portion of each of the power signal pins, a portion of each of the high-speed signal pins and at least a portion of the inner shielding piece. The connector according to claim 3 or 5, wherein the dielectric coefficient of the insulating member is greater than 1. The connector according to claim 3 or 5, wherein the material of the insulating member includes liquid crystal polymer (LIQUID CRYSTAL POLYMER, LCP). The connector of claim 1, wherein the distance between two adjacent ones of the power signal pins is between 2 mm and 3 mm. The connector of claim 1, wherein the distance between two adjacent high-speed signal pins is between 0.4 mm and 0.8 mm.

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