TW202247532A - Usb board end connector - Google Patents

Abstract

A USB board end connector that provides shielding chambers for multiple high-speed signal terminal pairs and low-speed signal terminal pairs to reduce the radiation interference of the high-speed signal of multiple high-speed signal terminal pairs and the low-speed signal of low-speed signal terminal pairs to an acceptable range, in this way, the radiation interference between low-speed signals and high-speed signals can be effectively suppressed, and the radiation interference between high-speed signals of multiple high-speed signal terminal pairs can be effectively suppressed, and reduce the degree of attenuation and distortion of the low-speed signal and high-speed signal of the USB cable end connector during the transmission process, so as to meet the signal transmission requirements of the low-speed signal and high-speed signal in the USB cable end connector specification.

Description

USB board connector

The present application relates to signal transmission technology, and more specifically, relates to a USB board connector that can meet the signal transmission requirements of low-speed signals and high-speed signals in the USB connector specification.

Press, USB connectors are widely used in various electronic devices for signal transmission. With the advancement of technology, the demand for signal transmission of USB connectors is increasing day by day. Therefore, in recent years, USB connectors have been required to transmit high-speed signals in addition to low-speed signals. Signal, in the specification of USB3.2 connector, the transmission rate of high-speed signal has been developed from 5Gbps of Gen1 to 20Gbps of Gen2*2, and even in the specification of USB4 connector, the transmission rate of high-speed signal is required to reach 40Gbps.

However, the existing USB connector is limited by the poor shielding effect of the mechanism design, which often causes radiation interference between high-speed signals and low-speed signals, resulting in problems such as attenuation and distortion of low-speed signals and high-speed signals during transmission. However, it is difficult to meet the signal transmission requirements for low-speed signals and high-speed signals in the USB connector specification. Therefore, how to prevent the radiation interference of the USB connector during the signal transmission process will be the primary technical problem to be solved in the design of the USB connector.

In view of the shortcomings of the above-mentioned prior art, the main purpose of this application is to reduce the radiation interference between high-speed signals and low-speed signals in the USB board connector, and the radiation interference between high-speed signals of multiple high-speed signal terminal pairs to a minimum. Acceptable range to meet the signal transmission requirements for low-speed signals and high-speed signals in the USB connector specification.

This application provides a USB board connector, which includes: a top terminal group, the top terminal group includes a left top high-speed signal terminal pair, a top low-speed signal terminal pair and a right top high-speed signal terminal pair Terminal pair, the left top high-speed signal terminal pair is used to transmit a left top high-speed signal, the top low-speed signal terminal pair is used to transmit a top low-speed signal, and the right top high-speed signal terminal pair is used to transmit a right top high-speed signal Signal, the top low-speed signal terminal pair is located between the left top high-speed signal terminal pair and the right top high-speed signal terminal pair; a bottom terminal set, the bottom terminal set includes a left bottom high-speed signal terminal pair, a bottom low-speed signal terminal pair The signal terminal pair and a right bottom high-speed signal terminal pair, the left bottom high-speed signal terminal pair is used to transmit a left bottom high-speed signal, the bottom low-speed signal terminal pair is used to transmit a bottom low-speed signal, the right bottom high-speed signal terminal pair The pair is used to transmit a right bottom high-speed signal, the bottom low-speed signal terminal pair is located between the left bottom high-speed signal terminal pair and the right bottom high-speed signal terminal pair; a middle transverse spacer, the middle transverse spacer is located Between the top terminal group and the bottom terminal group; a left top high-speed signal shielding structure, the left top high-speed signal shielding structure overlaps the middle transverse spacer to form a left top high-speed signal shielding chamber, the left top At least one part of the high-speed signal terminal pair is located in the left top high-speed signal shielding chamber, so that the left top high-speed signal shielding chamber shields the top low-speed signal, the right top high-speed signal, the left bottom high-speed signal, the Radiation of the bottom low-speed signal or the right bottom high-speed signal, causing radiation interference from the top low-speed signal, the right top high-speed signal, the left bottom high-speed signal, the bottom low-speed signal or the right bottom high-speed signal to the left top high-speed signal reduced to an acceptable range; a top low-speed signal shielding structure, the top low-speed signal shielding structure overlapping the middle transverse spacer to form a top low-speed signal shielding chamber, at least a portion of the top low-speed signal terminal pair being Located in the top low-speed signal shielding chamber so that the top low-speed signal shielding chamber shields from the left top high-speed signal, the right top high-speed signal, the left bottom high-speed signal, the bottom low-speed signal, or the right bottom high-speed signal Radiation, so that the radiation interference caused by the left top high-speed signal, the right top high-speed signal, the left bottom high-speed signal, the bottom low-speed signal or the right bottom high-speed signal to the top low-speed signal can be reduced to an acceptable range; a right top A high-speed signal shielding structure, the right top high-speed signal shielding structure overlaps the middle transverse spacer to form a right top high-speed signal shielding chamber, at least one part of the right top high-speed signal terminal pair is located on the right top high-speed signal In the shielding chamber, so that the right top high-speed signal shielding chamber shields the radiation from the left top high-speed signal, the top low-speed signal, the left bottom high-speed signal, the bottom low-speed signal or the right bottom high-speed signal, so that the left The top high-speed signal, the top low-speed signal, the left bottom The radiation interference caused by the high-speed signal, the bottom low-speed signal or the right bottom high-speed signal to the right top high-speed signal is reduced to an acceptable range; a left bottom high-speed signal shielding structure, the left bottom high-speed signal shielding structure is lapped by the middle A transverse spacer to form a left bottom high-speed signal shielding chamber, at least a portion of the left bottom high-speed signal terminal pair is located in the left bottom high-speed signal shielding chamber, so that the left bottom high-speed signal shielding chamber shields the left bottom high-speed signal shielding chamber from The right top high-speed signal, the left top high-speed signal, the top low-speed signal, the bottom low-speed signal, or the right bottom high-speed signal make the right top high-speed signal, the left top high-speed signal, the top low-speed signal, the bottom The low-speed signal or the radiation interference caused by the right bottom high-speed signal to the left bottom high-speed signal is reduced to an acceptable range; a bottom low-speed signal shielding structure, the bottom low-speed signal shielding structure is overlapped with the middle transverse spacer to form a The bottom low-speed signal shielding chamber, at least one part of the bottom low-speed signal terminal pair is located in the bottom low-speed signal shielding chamber, so that the bottom low-speed signal shielding chamber shields the left top high-speed signal, the top low-speed signal, The radiation of the right top high-speed signal, the left bottom high-speed signal, or the right bottom high-speed signal causes the left top high-speed signal, the top low-speed signal, the right top high-speed signal, the left bottom high-speed signal, or the right bottom high-speed signal to The radiation interference generated by the bottom low-speed signal is reduced to an acceptable range; and a right bottom high-speed signal shielding structure, the right bottom high-speed signal shielding structure is overlapped with the middle transverse spacer to form a right bottom high-speed signal shielding chamber , at least one part of the right bottom high-speed signal terminal pair is located in the right bottom high-speed signal shielding chamber, so that the right bottom high-speed signal shielding chamber is shielded from the left top high-speed signal, the right top high-speed signal, the top The radiation of the low speed signal, the bottom left high speed signal or the bottom low speed signal causes the left top high speed signal, the right top high speed signal, the top low speed signal, the left bottom high speed signal or the bottom low speed signal to the right bottom high speed signal The resulting radiation interference is reduced to an acceptable range.

Optionally, the above-mentioned USB board connector further includes a first top shielding shell and a first bottom shielding shell, the first top shielding shell forms a first part of the top low-speed signal shielding structure; The first bottom shield shell forms a first portion of the bottom low-speed signal shield structure.

Optionally, in the above-mentioned USB board connector, the first top shield shell system has a left top fin and a right top fin, and the left top fin is located between the left top high-speed signal terminal pair and the top Between the pair of low-speed signal terminals to provide separation between the left top pair of high-speed signal terminals and the top pair of low-speed signal terminals; the right top tab is located between the right top pair of high-speed signal terminals and the top pair of low-speed signal terminals, To provide separation of the right top high-speed signal terminal pair and the top low-speed signal terminal pair; the first bottom shield shell system has a left bottom fin and a right bottom fin, and the left bottom fin is located at the left bottom high-speed between the pair of signal terminals and the pair of bottom low-speed signal terminals to provide separation between the pair of bottom left high-speed signal terminals and the pair of bottom low-speed signal terminals; between the pair of signal terminals to provide separation between the right bottom pair of high-speed signal terminals and the bottom pair of low-speed signal terminals.

Optionally, the above-mentioned USB board connector further includes a top shielding cover and a bottom shielding cover, and the top shielding cover system forms the left top flap or the right top flap by bending. The first top shielding shell is formed; the bottom shielding cover system forms the first bottom shielding shell by bending the left bottom flap or the right bottom flap.

Optionally, the above-mentioned USB board end connector also includes a top shielding cover, a bottom shielding cover, a left longitudinal partition and a right longitudinal partition, and the left longitudinal partition and the right longitudinal partition respectively join the middle transverse spacer, and cooperate with the top shielding cover and the bottom shielding cover to respectively form the left top high-speed signal shielding chamber, the top low-speed signal shielding chamber, and the right top high-speed signal shielding chamber chamber, the left bottom high-speed signal shielding chamber, the bottom low-speed signal shielding chamber, and the right bottom high-speed signal shielding chamber, wherein the left longitudinal partition comprises the left top fin or the left bottom fin, The right longitudinal bulkhead comprises the right top flap or the right bottom flap.

Optionally, in the above-mentioned USB board connector, it is used in conjunction with a circuit substrate, wherein the left top high-speed signal terminal pair has a left top high-speed signal pin pair for lapping the circuit substrate, the The top low-speed signal terminal pair has a top low-speed signal pin pair for bonding the circuit substrate, the right top high-speed signal terminal pair has a right top high-speed signal pin pair for bonding the circuit substrate, the The left top fin extends between the left top high-speed signal pin pair and the top low-speed signal pin pair, and is used to overlap the circuit substrate to provide radiation for the left top high-speed signal or the top low-speed signal. Shielding to reduce the radiation interference between the left top high-speed signal and the top low-speed signal to an acceptable range, the right top fin extends between the right top high-speed signal pin pair and the top low-speed signal pin pair , and used to overlap the circuit substrate to provide shielding for the radiation generated by the right top high-speed signal or the top low-speed signal, so that the radiation interference between the right top high-speed signal and the top low-speed signal can be reduced to an acceptable range; The left bottom high-speed signal terminal pair has a left bottom high-speed signal pin pair for bonding the circuit substrate, and the bottom low-speed signal terminal pair has a bottom low-speed signal pin pair for bonding the circuit substrate. The right bottom high-speed signal terminal pair has a right bottom high-speed signal pin pair for bonding to the circuit substrate, and the left bottom tab extends between the left bottom high-speed signal pin pair and the bottom low-speed signal pin pair and used to bond the circuit substrate to provide shielding for the radiation generated by the left bottom high-speed signal or the bottom low-speed signal, so that the radiation interference between the left bottom high-speed signal and the bottom low-speed signal can be reduced to an acceptable range, The right bottom fin extends between the right bottom high-speed signal pin pair and the bottom low-speed signal pin pair, and is used to overlap the circuit substrate to radiate the right bottom high-speed signal or the bottom low-speed signal Shielding is provided to reduce the radiation interference between the right bottom high-speed signal and the bottom low-speed signal to an acceptable range.

Optionally, the above USB board connector further includes a second top shielding shell and a second bottom shielding shell, the second top shielding shell overlaps the first top shielding shell to form the The left top high-speed signal shielding structure, a second part of the top low-speed signal shielding structure and the right top high-speed signal shielding structure, the second bottom shielding shell is overlapped with the first bottom shielding shell to form the left bottom high-speed signal Shielding structure, a second part of the bottom low-speed signal shielding structure, and the right bottom high-speed signal shielding structure.

Optionally, in the above-mentioned USB board connector, the intermediate transverse spacer is located between the top terminal group and the bottom terminal group, and has a left top strong coupling structure, a right top strong coupling structure, a left top The bottom strong coupling structure and a right bottom strong coupling structure; the left top strong coupling structure is located between the left top high-speed signal terminal pair and the top low-speed signal terminal pair to provide a strong coupling effect and reduce the left top high-speed signal and The top low-speed signal interferes with each other. The right top strong coupling structure is located between the top low-speed signal terminal pair and the right top high-speed signal terminal pair to provide a strong coupling effect and reduce the top low-speed signal terminal pair and the right top. Mutual interference of the high-speed signal terminal pair; the left bottom strong coupling structure is located between the left bottom high-speed signal terminal pair and the bottom low-speed signal terminal pair to provide a strong coupling effect and reduce the left bottom high-speed signal and the bottom low-speed signal mutual interference, the right bottom strong coupling structure is located between the bottom low-speed signal terminal pair and the right bottom high-speed signal terminal pair to provide a strong coupling effect and reduce the bottom low-speed signal terminal pair and the right bottom high-speed signal terminal pair interfere with each other.

Optionally, in the above-mentioned USB board connector, the intermediate transverse spacer further includes a top spacer and a bottom spacer, and the left top strong coupling structure and the right top strong coupling structure are arranged on the top spacer plate, the left bottom strong coupling structure and the right bottom strong coupling structure are arranged on the bottom spacer plate.

It can be seen from the above that the USB board connector of the present application provides shielding chambers for multiple high-speed signal terminal pairs and low-speed signal terminal pairs respectively, so that the high-speed signals of the multiple high-speed signal terminal pairs and the low-speed signal of the low-speed signal terminal pairs The radiation interference received is reduced to an acceptable range. In this way, the radiation interference between low-speed signals and high-speed signals can be effectively suppressed, and the radiation interference between high-speed signals of multiple high-speed signal terminal pairs can be effectively suppressed, thereby reducing The degree of attenuation and distortion of the low-speed signal and high-speed signal of the USB board connector during transmission, to meet the signal transmission requirements of the low-speed signal and high-speed signal in the USB board connector specification.

Regarding the technical idea of the connector of this application, please refer to Figures 1 to 27 in the drawings of this application together with the following description of the embodiments:

The following is an illustration of the present application with several embodiments. In each of the following embodiments, the same or similar components are marked with the same symbols, and the description of the same or similar technical features will be omitted:

first embodiment

In this application, as shown in Figures 12 to 15, the USB board connector 1 is used in conjunction with the circuit board 2 to transmit high-speed signals and low-speed signals, specifically, as shown in Figures 1 to 16, the USB board The components of the terminal connector 1 can optionally include a top terminal group 11, a bottom terminal group 12, a middle transverse spacer 13, a left top high-speed signal shielding structure 141, a top low-speed signal shielding structure 142, a right top high-speed signal shielding structure 143, a left The bottom high-speed signal shielding structure 144, the bottom low-speed signal shielding structure 145 and the right bottom high-speed signal shielding structure 146, however, the components of the above-mentioned USB board connector 1 can also choose to omit at least one of them or add other components according to actual use, and not limited to the above.

As shown in Figure 2, the top terminal group 11 includes a left top high-speed signal terminal pair 111 for transmitting the left top high-speed signal, a top low-speed signal terminal pair 112 for transmitting the top low-speed signal, and a top right high-speed signal terminal pair 112 for transmitting the right top high-speed signal. The top right high-speed signal terminal pair 113 , wherein the top low-speed signal terminal pair 112 is located between the left top high-speed signal terminal pair 111 and the right top high-speed signal terminal pair 113 .

In addition, the bottom terminal group 12 includes the left bottom high-speed signal terminal pair 121 for transmitting the left bottom high-speed signal, the bottom low-speed signal terminal pair 122 for transmitting the bottom low-speed signal, and the right bottom high-speed signal terminal pair for transmitting the right bottom high-speed signal. The terminal pair 123 , wherein the bottom low-speed signal terminal pair 122 is located between the left bottom high-speed signal terminal pair 121 and the right bottom high-speed signal terminal pair 123 .

As shown in Figures 2 to 3, the middle transverse spacer 13 is located between the top terminal group 11 and the bottom terminal group 12, to separate the top terminal group 11 and the bottom terminal group 12, and then make the top terminal group 11 and the bottom terminal group The electromagnetic fields and other radiation interference between groups 12 are reduced to an acceptable range.

As shown in Figures 4 to 5, the USB board connector 1 may include a first top shield shell B1, a first bottom shield shell B2, a second top shield shell B3 and a second bottom shield shell for providing shielding. Shell B4.

As shown in FIG. 13 , the second top shielding shell B3 overlaps the first top shielding shell B1 to form a left top high-speed signal shielding structure 141 . The left top high-speed signal shielding structure 141 overlaps the middle transverse spacer 13 to form the left top high-speed signal shielding chamber E1. At least one portion of the left top high-speed signal terminal pair 111 is located in the left top high-speed signal shielding chamber E1. It should be noted that the left top high-speed signal shielding chamber E1 provides a shielding environment for at least a part of the left top high-speed signal terminal pair 113, and isolates interference sources such as electromagnetic fields from the left top high-speed signal shielding chamber E1, so that the left top The top high-speed signal, right top high-speed signal, left bottom high-speed signal, bottom low-speed signal, right bottom high-speed signal or other signals, reduce the electromagnetic field and other radiation interference generated by the top low-speed signal to an acceptable range.

As shown in FIG. 13 , the first top shield shell B1 forms the first part of the top low-speed signal shield structure 142 . As shown in FIG. 14 , the second top shielding shell B3 overlaps the first top shielding shell B1 to form the second part of the top low-speed signal shielding structure 142 . The top low-speed signal shielding structure 142 overlaps the middle transverse spacer 13 to form the top low-speed signal shielding chamber E2. At least one portion of the top low-speed signal terminal pair 112 is located in the top low-speed signal shielding chamber E2. It should be noted that the top low-speed signal shielding chamber E2 provides a shielding environment for at least one part of the top low-speed signal terminal pair 112, and isolates interference sources such as electromagnetic fields from the top low-speed signal shielding chamber E2, so that the left top high-speed signal , right top high-speed signal, left bottom high-speed signal, bottom low-speed signal, right bottom high-speed signal or other signals, the electromagnetic field and other radiation interference generated by the top low-speed signal can be reduced to an acceptable range.

As shown in FIG. 13 , the second top shielding case B3 overlaps the first top shielding case B1 to form a right top high-speed signal shielding structure 143 . The right top high-speed signal shielding structure 143 overlaps the middle transverse spacer 13 to form the right top high-speed signal shielding chamber E3. At least one portion of the right top high-speed signal terminal pair 113 is located in the right top high-speed signal shielding chamber E3. It should be noted that the right top high-speed signal shielding chamber E3 provides a shielding environment for at least one part of the right top high-speed signal terminal pair 113, and isolates interference sources such as electromagnetic fields from the right top high-speed signal shielding chamber E3, so that the left The top high-speed signal, right top high-speed signal, left bottom high-speed signal, bottom low-speed signal, right bottom high-speed signal or other signals, reduce the electromagnetic field and other radiation interference generated by the top low-speed signal to an acceptable range.

In addition, as shown in FIG. 4, the USB board connector 1 may include a top shielding cover 161, wherein the first top shielding shell B1 is composed of the top shielding cover 161, and the top shielding cover 161 is formed by bending The left top fin 1411 between the left top high-speed signal terminal pair 111 and the top low-speed signal terminal pair 112 is formed in a manner to separate the left top high-speed signal terminal pair 111 from the top low-speed signal terminal pair by the left top fin 1411. 112, the radiation interference between the left top high-speed signal and the top low-speed signal is reduced to an acceptable range. The top shielding cover 161 can also form a right top flap 1431 between the right top high-speed signal terminal pair 113 and the top low-speed signal terminal pair 112 by bending, so that the right top flap 1431 can provide a space for separating the right top The high-speed signal terminal pair 113 and the top low-speed signal terminal pair 112 reduce the radiation interference between the right top high-speed signal and the top low-speed signal to an acceptable range.

As shown in Figure 10, the left top high-speed signal terminal pair 111, the top low-speed signal terminal pair 112, and the right top high-speed signal terminal pair 113 respectively have a left top high-speed signal pin pair 1111 and a top low-speed signal pin pair 1111 for bonding the circuit substrate 2 Pin pair 1121 and right top high speed signal pin pair 1131. The left top fin 1411 is extended to between the top left high-speed signal pin pair 1111 and the top low-speed signal pin pair 1121, and is used to overlap the circuit substrate 2 to shield the radiation generated by the left top high-speed signal or the top low-speed signal , so that the radiation interference between the high-speed signal on the left top and the low-speed signal on the top can be reduced to an acceptable range. The right top fin 1431 is extended to between the top right high-speed signal pin pair 1131 and the top low-speed signal pin pair 1121, and is used to overlap the circuit substrate 2 to shield the radiation generated by the right top high-speed signal or the top low-speed signal , so that the radiation interference between the right top high-speed signal and the top low-speed signal can be reduced to an acceptable range.

As shown in FIG. 13 , the second bottom shielding shell B4 overlaps the first bottom shielding shell B2 to form a left bottom high-speed signal shielding structure 144 . The left bottom high-speed signal shielding structure 144 overlaps the middle transverse spacer 13 to form the left bottom high-speed signal shielding chamber E4. At least a portion of the left bottom high-speed signal terminal pair 121 is located in the left bottom high-speed signal shielding chamber E4. It should be noted that the left bottom high-speed signal shielding chamber E4 provides a shielding environment for at least one part of the left bottom high-speed signal terminal pair 121, and isolates interference sources such as electromagnetic fields from the left bottom high-speed signal shielding chamber E4, so that the right The high-speed signal at the top, the high-speed signal at the top left, the low-speed signal at the top, the low-speed signal at the bottom, the high-speed signal at the right bottom, or other signals, reduce the radiation interference to the electromagnetic field generated by the high-speed signal at the left bottom to an acceptable range.

As shown in FIG. 13 , the first bottom shield shell B2 forms the first part of the bottom low-speed signal shield structure 145 . As shown in FIG. 14 , the second bottom shielding shell B4 overlaps the first bottom shielding shell B2 to form the second portion of the bottom low-speed signal shielding structure 145 . The bottom low-speed signal shielding structure 145 overlaps the middle transverse spacer 13 to form the bottom low-speed signal shielding chamber E5. At least one portion of the bottom low-speed signal terminal pair 122 is located in the bottom low-speed signal shielding chamber E5. It should be noted that the bottom low-speed signal shielding chamber E5 provides a shielding environment for at least one part of the bottom low-speed signal terminal pair 122, and isolates interference sources such as electromagnetic fields from the bottom low-speed signal shielding chamber E5, so that the left top high-speed signal , low-speed signal at the top, high-speed signal at the top right, high-speed signal at the bottom left, high-speed signal at the bottom right or other signals, the electromagnetic field and other radiation interference generated by the low-speed signal at the bottom can be reduced to an acceptable range.

As shown in FIG. 13 , the second bottom shielding shell B4 overlaps the first bottom shielding shell B2 to form the right bottom high-speed signal shielding structure 146 . The right bottom high-speed signal shielding structure 146 overlaps the middle transverse spacer 13 to form the right bottom high-speed signal shielding chamber E6. At least one portion of the right bottom high-speed signal terminal pair 123 is located in the right bottom high-speed signal shielding chamber E6. It should be noted that the right bottom high-speed signal shielding chamber E6 provides a shielding environment for at least one part of the right bottom high-speed signal terminal pair 123, and isolates interference sources such as electromagnetic fields from the right bottom high-speed signal shielding chamber E6, so that the left The high-speed signal at the top, the high-speed signal at the top right, the low-speed signal at the top, the high-speed signal at the bottom left, the low-speed signal at the bottom or other signals, reduce the radiation interference to the electromagnetic field generated by the high-speed signal at the right bottom to an acceptable range.

In addition, as shown in FIG. 4 , the USB board connector 1 may include a bottom shielding cover 162 , wherein the first bottom shielding shell B2 is formed by the bottom shielding cover 162 . The bottom shielding cover 162 is formed by bending the left bottom flap 1441 between the left bottom high-speed signal terminal pair 121 and the bottom bottom low-speed signal terminal pair 122, so that the left bottom high-speed signal is separated by the left bottom flap 1441 The terminal pair 121 and the bottom low-speed signal terminal pair 122 reduce the radiation interference between the left bottom high-speed signal and the bottom low-speed signal to an acceptable range. The bottom shielding cover 162 also forms a right bottom flap 1461 between the right bottom high-speed signal terminal pair 123 and the bottom bottom low-speed signal terminal pair 122 by bending, so that the right bottom high-speed signal is separated by the right bottom flap 1461 The terminal pair 123 and the bottom low-speed signal terminal pair 122 reduce the radiation interference between the right bottom high-speed signal and the bottom low-speed signal to an acceptable range.

As shown in Figure 10, the left bottom high-speed signal terminal pair 121, the bottom low-speed signal terminal pair 122 and the right bottom high-speed signal terminal pair 123 respectively have a left bottom high-speed signal pin pair 1211, a bottom low-speed signal Pin pair 1221 and bottom right high speed signal pin pair 1231. The left bottom fin 1441 extends between the left bottom high-speed signal pin pair 1211 and the bottom low-speed signal pin pair 1221, and is used to overlap the circuit substrate 2 to shield the radiation generated by the left bottom high-speed signal or the bottom low-speed signal , so that the radiation interference between the left bottom high-speed signal and the bottom low-speed signal can be reduced to an acceptable range. The right bottom fin 1461 is extended to between the right bottom high-speed signal pin pair 1231 and the bottom low-speed signal pin pair 1221, and is used to overlap the circuit substrate 2 to shield the radiation generated by the right bottom high-speed signal or the bottom low-speed signal , so that the radiation interference between the right bottom high-speed signal and the bottom low-speed signal can be reduced to an acceptable range.

Regarding the manufacturing of the connector of this embodiment, please refer to FIG. 1 to FIG. 12 which are schematic diagrams of the main manufacturing process of the connector of this embodiment. As shown in FIGS. 1 to 3 , firstly, the middle transverse spacer 13 , the top terminal group 11 and the bottom terminal group 12 are respectively prepared, and the top terminal group 11 and the bottom terminal group 12 are assembled on the middle transverse spacer 13 respectively. above and below to form the first connector semi-finished product. Next, as shown in Fig. 4 to Fig. 8 and Fig. 13 to Fig. 14, prepare several pieces of the first top shield case B1, the first bottom shield case B2, the second top shield case B3, the second bottom shield case Body B4, and the first top shielding shell B1 and the second top shielding shell B3 are sequentially arranged above the first connector semi-finished product, so that the top low-speed signal shielding structure 142 is formed by the first top shielding shell B1 The first part of the first top shielding case B1 and the second top shielding case B3 form the left top high-speed signal shielding structure 141, the second part of the top low-speed signal shielding structure 142 and the right top high-speed signal shielding structure 143. In addition, the first bottom shielding shell B2 and the second bottom shielding shell B4 are sequentially arranged under the first connector semi-finished product, so that the bottom low-speed signal shielding structure is formed by the first bottom shielding shell B2 145, and the left bottom high-speed signal shielding structure 144, the second part of the bottom low-speed signal shielding structure 145 and the right bottom high-speed signal shielding structure are formed by the cooperation of the first bottom shielding shell B2 and the second bottom shielding shell B4 The structure 146, thus, can constitute a second connector semi-finished product.

Then, as shown in FIGS. 11 to 12 , a metal shell 15 is sheathed on the second connector semi-finished product, and the metal shell 15 shields the top terminal group 11 and the bottom terminal group 12 from interference such as external electromagnetic fields, so that the outside world is on the left. The interference of top high-speed signal, top low-speed signal, right top high-speed signal, left bottom high-speed signal, bottom low-speed signal and right bottom high-speed signal is reduced to an acceptable range. In addition, as shown in FIG. 15 , the metal shell 15 is in electrical contact with the middle transverse spacer 13, so that the metal shell 15 is electrically connected to the left top high-speed signal shielding structure 141, the top low-speed signal shielding structure 142, and the right top high-speed signal shielding structure 143. , the left bottom high-speed signal shielding structure 144, the bottom low-speed signal shielding structure 145, the right bottom high-speed signal shielding structure 146 and the middle transverse spacer 13 to form a shielding loop and transmit the shielding signal, so that the metal shell 15 can be the top terminal group 11 Shielding is provided with the bottom terminal group 12, so that external interference to the left top high-speed signal, top low-speed signal, right top high-speed signal, left bottom high-speed signal, bottom low-speed signal and right bottom high-speed signal can be reduced to an acceptable range. It should be noted that the formation of the left top high-speed signal shielding structure 141 and the right top high-speed signal shielding structure 143 is not limited to the first top shielding shell B1 and can also be made of multiple metal plates; the left bottom high-speed signal shielding structure The composition of 144 and the right bottom high-speed signal shielding structure 146 is not limited to the first bottom shielding shell B2 and can also be composed of multiple metal plates.

In addition, as shown in FIG. 4 , the middle transverse spacer 13 between the top terminal group 11 and the bottom terminal group 12 has, for example, a left top strong coupling (coupling) structure 131 and a right top strong coupling structure composed of concave-convex structures. 132 . The left bottom strong coupling structure 133 and the right bottom strong coupling structure 134 . The top left strong coupling structure 131 is located between the top left high-speed signal terminal pair 111 and the top low-speed signal terminal pair 112 to provide a strong coupling effect and reduce mutual interference between the left top high-speed signal and the top low-speed signal. The right top strong coupling structure 132 is located between the top low-speed signal terminal pair 112 and the right top high-speed signal terminal pair 113 to provide a strong coupling effect and reduce mutual interference between the top low-speed signal and the right top high-speed signal. The left bottom strong coupling structure 133 is located between the left bottom high-speed signal terminal pair 121 and the bottom bottom low-speed signal terminal pair 122 to provide a strong coupling effect to reduce mutual interference between the left bottom high-speed signal and the bottom low-speed signal. The right bottom strong coupling structure 134 is located between the bottom low-speed signal terminal pair 122 and the right bottom high-speed signal terminal pair 123 to provide a strong coupling effect to reduce mutual interference between the bottom low-speed signal and the right bottom high-speed signal.

Specifically, as shown in FIG. 1 , the middle transverse spacer 13 also includes a top spacer 135 and a bottom spacer 136, and the left top strong coupling structure 131 and the right top strong coupling structure 132 are arranged on the top spacer 135, and the left side The bottom strong coupling structure 133 and the right bottom strong coupling structure 134 are disposed on the bottom spacer 136 .

second embodiment

As shown in Figures 17 to 27, the USB board connector 1 is used in conjunction with the circuit board 2 to transmit high-speed signals and low-speed signals, and the components can optionally include a top terminal set 11, a bottom terminal set 12, and a middle transverse spacer 13. The top shielding cover 161 , the bottom shielding cover 162 , the left longitudinal partition 163 and the right longitudinal partition 164 .

As shown in FIGS. 20 to 22 , the left longitudinal partition 163 and the right longitudinal partition 164 are connected to the middle transverse spacer 13 in a plug-in manner, respectively, and are matched with the top shield cover 161 and the bottom shield cover 162 , and respectively form the left top high-speed signal shielding chamber E1, the top low-speed signal shielding chamber E2, the right top high-speed signal shielding chamber E3, the left bottom high-speed signal shielding chamber E4, and the bottom low-speed signal shielding chamber described in the first embodiment. Chamber E5 and right bottom high-speed signal shielding chamber E6. In this embodiment, the left longitudinal partition 163 includes the left top flap 1411 or the left bottom flap 1441 described in the first embodiment, and the right longitudinal partition 164 includes the right top flap described in the first embodiment 1431 or right bottom flap 1461.

Regarding the manufacture of the connector of this embodiment, please refer to FIG. 18 to FIG. 27 which are schematic diagrams of the main manufacturing process of the connector of this embodiment. As shown in FIGS. 18 to 19 , firstly, the middle transverse spacer 13 , the top terminal group 11 and the bottom terminal group 12 are respectively prepared, and the top terminal group 11 and the bottom terminal group 12 are assembled on the middle transverse spacer 13 respectively. above and below to form the first connector semi-finished product. Next, as shown in FIGS. 20 to 21, prepare the top shielding cover 161, the bottom shielding cover 162, the left longitudinal partition 163 and the right longitudinal partition 164 respectively, and make the left longitudinal partition 163 and the right longitudinal partition 164 Join the middle transverse spacer 13, and then assemble the top shielding cover 161 and the bottom shielding cover 162 above and below the first connector semi-finished product to form the left top high-speed signal shielding chamber E1 and the top low-speed signal shielding chamber respectively. The chamber E2, the right top high-speed signal shielding chamber E3, the left bottom high-speed signal shielding chamber E4, the bottom low-speed signal shielding chamber E5, and the right bottom high-speed signal shielding chamber E6 constitute the second connector semi-finished product.

Then, as shown in FIG. 25 to FIG. 26, the metal shell 15 is sleeved on the second connector semi-finished product, and the metal shell 15 is electrically contacted with the top shielding cover 161 and the bottom shielding cover 162, so that the metal shell 15 is electrically conductive. Connecting the left top high-speed signal shielding chamber E1, the top low-speed signal shielding chamber E2, the right top high-speed signal shielding chamber E3, the left bottom high-speed signal shielding chamber E4, the bottom low-speed signal shielding chamber E5 and the right bottom high-speed signal shielding chamber Chamber E6 to form a shielding loop, so that the metal shell 15 can provide shielding for the top terminal group 11 and the bottom terminal group 12, so that the outside world can resist the high-speed signal at the top left, the low-speed signal at the top, the high-speed signal at the top right, the high-speed signal at the bottom left, and the bottom terminal group 12. The interference between the low-speed signal and the high-speed signal at the bottom right is reduced to an acceptable range.

In summary, the USB board connector of the present application provides shielding chambers for multiple high-speed signal terminal pairs and low-speed signal terminal pairs respectively, so that the high-speed signals of multiple high-speed signal terminal pairs and the low-speed signal terminal pairs of low-speed The radiation interference received by the signal is reduced to an acceptable range. In this way, the radiation interference between the low-speed signal and the high-speed signal can be effectively suppressed, and the radiation interference between the high-speed signals of multiple high-speed signal terminal pairs can be effectively suppressed. Reduce the degree of attenuation and distortion of the low-speed signal and high-speed signal of the USB board connector during transmission, so as to meet the signal transmission requirements of the low-speed signal and high-speed signal in the USB board connector specification.

The above-mentioned embodiments only illustrate the principles and effects of the present application, but are not intended to limit the present application. Any person skilled in the art can modify and change the above-mentioned embodiments without departing from the spirit and scope of the present application. Therefore, the protection scope of the rights of this application should be as listed in the claims of this application.

1:USB board connector 11:Top terminal group 111: left top high-speed signal terminal pair 1111: left top high-speed signal pin pair 112: Top low-speed signal terminal pair 1121: Top low-speed signal pin pair 113: Right top high-speed signal terminal pair 1131: Right top high-speed signal pin pair 12: Bottom terminal group 121: left bottom high-speed signal terminal pair 1211: left bottom high-speed signal pin pair 122: Bottom low-speed signal terminal pair 1221: Bottom low-speed signal pin pair 123: Right bottom high-speed signal terminal pair 1231: Right bottom high-speed signal pin pair 13: Intermediate transverse spacer 131: Strong coupling structure at the top left 132: Right top strong coupling structure 133: Strong coupling structure at the bottom left 134: Strong coupling structure at the bottom right 135: top spacer 136: Bottom spacer 141: High-speed signal shielding structure at the top left 1411: left top fin 142: Top low-speed signal shielding structure 143: Right top high-speed signal shielding structure 1431:Right top fin 144: High-speed signal shielding structure at the bottom left 1441: left bottom fin 145: Bottom low-speed signal shielding structure 146: High-speed signal shielding structure at the bottom right 1461: right bottom fin 15: metal shell 161: Top shield cover 162: Bottom shielding cover 163: left vertical partition 164: Right longitudinal partition 2: Circuit board E1: High-speed signal shielding chamber at the top left E2: top low-speed signal shielding chamber E3: High-speed signal shielding chamber at the top right E4: High-speed signal shielding chamber at the bottom left E5: Bottom low-speed signal shielding chamber E6: High-speed signal shielding chamber at the bottom right B1: First top shield case B2: The first bottom shield shell B3: Second top shield case B4: Second Bottom Shield Shell

1 to 12 are schematic diagrams of the main manufacturing process of the first embodiment of the USB board connector of the present application;

Fig. 13 is a sectional view of the member shown in Fig. 6 cut along the line segment AA;

Fig. 14 is a cross-sectional view of the member shown in Fig. 6 cut along the line segment BB;

Fig. 15 is a sectional view of the member shown in Fig. 11 cut along line segment CC;

Fig. 16 is a cross-sectional view of the member shown in Fig. 11 along line DD; and

17 to 27 are schematic diagrams of the main manufacturing process of the second embodiment of the USB board connector of the present application.

1:USB board connector

111: left top high-speed signal terminal pair

112: Top low-speed signal terminal pair

113: Right top high-speed signal terminal pair

121: left bottom high-speed signal terminal pair

122: Bottom low-speed signal terminal pair

123: Right bottom high-speed signal terminal pair

13: Intermediate transverse spacer

141: High-speed signal shielding structure at the top left

142: Top low-speed signal shielding structure

143: Right top high-speed signal shielding structure

144: High-speed signal shielding structure at the bottom left

145: Bottom low-speed signal shielding structure

146: High-speed signal shielding structure at the bottom right

E1: High-speed signal shielding chamber at the top left

E2: top low-speed signal shielding chamber

E3: High-speed signal shielding chamber at the top right

E4: High-speed signal shielding chamber at the bottom left

E5: Bottom low-speed signal shielding chamber

E6: High-speed signal shielding chamber at the bottom right

B1: First top shield case

B2: The first bottom shield shell

B3: Second top shield case

B4: Second Bottom Shield Shell

Claims (9)

A USB board end connector, the USB board end connector system includes: A top terminal group, the top terminal group includes a top left high-speed signal terminal pair, a top low-speed signal terminal pair and a right top high-speed signal terminal pair, the left top high-speed signal terminal pair is used to transmit a left top high-speed signal , the top low-speed signal terminal pair is used to transmit a top low-speed signal, the right top high-speed signal terminal pair is used to transmit a right top high-speed signal, and the top low-speed signal terminal pair is located between the left top high-speed signal terminal pair and the Between the pair of high-speed signal terminals on the top right; A bottom terminal group, the bottom terminal group includes a left bottom high-speed signal terminal pair, a bottom low-speed signal terminal pair and a right bottom high-speed signal terminal pair, the left bottom high-speed signal terminal pair is used to transmit a left bottom high-speed signal , the bottom low-speed signal terminal pair is used to transmit a bottom low-speed signal, the right bottom high-speed signal terminal pair is used to transmit a right bottom high-speed signal, and the bottom low-speed signal terminal pair is located between the left bottom high-speed signal terminal pair and the Between the high-speed signal terminal pairs at the bottom right; an intermediate transverse spacer positioned between the top terminal set and the bottom terminal set; A left top high-speed signal shielding structure, the left top high-speed signal shielding structure overlaps the middle transverse spacer to form a left top high-speed signal shielding chamber, at least one portion of the left top high-speed signal terminal pair is located on the left top in the top high-speed signal shielding chamber, so that the left top high-speed signal shielding chamber shields radiation from the top low-speed signal, the right top high-speed signal, the left bottom high-speed signal, the bottom low-speed signal, or the right bottom high-speed signal, reduce to an acceptable extent the radiated interference from the top low speed signal, the right top high speed signal, the left bottom high speed signal, the bottom low speed signal or the right bottom high speed signal to the left top high speed signal; a top low-speed signal shielding structure, the top low-speed signal shielding structure overlapping the middle transverse spacer to form a top low-speed signal shielding chamber, at least a portion of the top low-speed signal terminal pair is located in the top low-speed signal shielding chamber Indoor, so that the top low-speed signal shielding chamber shields the radiation from the left top high-speed signal, the right top high-speed signal, the left bottom high-speed signal, the bottom low-speed signal or the right bottom high-speed signal, so that the left top high-speed signal signal, the right top high-speed signal, the left bottom high-speed signal, the bottom low-speed signal or the right bottom high-speed signal to reduce the radiation interference to the top low-speed signal to an acceptable range; A right top high-speed signal shielding structure, the right top high-speed signal shielding structure overlaps the middle transverse spacer to form a right top high-speed signal shielding chamber, at least one portion of the right top high-speed signal terminal pair is located on the right in the top high-speed signal shielding chamber, so that the right top high-speed signal shielding chamber shields radiation from the left top high-speed signal, the top low-speed signal, the left bottom high-speed signal, the bottom low-speed signal, or the right bottom high-speed signal, reduce to an acceptable extent the radiated interference from the left top high speed signal, the top low speed signal, the left bottom high speed signal, the bottom low speed signal or the right bottom high speed signal to the right top high speed signal; A left bottom high-speed signal shielding structure, the left bottom high-speed signal shielding structure overlaps the middle transverse spacer to form a left bottom high-speed signal shielding chamber, at least one portion of the left bottom high-speed signal terminal pair is located on the left bottom In the bottom high-speed signal shielding chamber, so that the left bottom high-speed signal shielding chamber shields radiation from the right top high-speed signal, the left top high-speed signal, the top low-speed signal, the bottom low-speed signal, or the right bottom high-speed signal, reduce to an acceptable extent the radiated interference from the right top high speed signal, the left top high speed signal, the top low speed signal, the bottom low speed signal, or the right bottom high speed signal to the left bottom high speed signal; a bottom low-speed signal shielding structure, the bottom low-speed signal shielding structure is overlapped with the intermediate transverse spacer to form a bottom low-speed signal shielding chamber, at least a portion of the bottom low-speed signal terminal pair is located in the bottom low-speed signal shielding chamber Indoor, so that the bottom low-speed signal shielding chamber shields the radiation from the left top high-speed signal, the top low-speed signal, the right top high-speed signal, the left bottom high-speed signal or the right bottom high-speed signal, so that the left top high-speed signal signal, the top low-speed signal, the right top high-speed signal, the left bottom high-speed signal, or the right bottom high-speed signal to the bottom low-speed signal to an acceptable extent; and A right bottom high-speed signal shielding structure, the right bottom high-speed signal shielding structure overlaps the middle transverse spacer to form a right bottom high-speed signal shielding chamber, at least one portion of the right bottom high-speed signal terminal pair is located on the right In the bottom high-speed signal shielding chamber, so that the right bottom high-speed signal shielding chamber shields radiation from the left top high-speed signal, the right top high-speed signal, the top low-speed signal, the left bottom high-speed signal or the bottom low-speed signal, Reduce the radiation interference caused by the left top high-speed signal, the right top high-speed signal, the top low-speed signal, the left bottom high-speed signal or the bottom low-speed signal to the right bottom high-speed signal to an acceptable range. The USB board end connector as in claim 1, further comprising a first top shielding shell and a first bottom shielding shell, the first top shielding shell forms a first part of the top low-speed signal shielding structure; the first top shielding shell forms a first part of the top low-speed signal shielding structure; A bottom shield shell system forms a first portion of the bottom low speed signal shield structure. The USB board end connector of claim 2, wherein the first top shield shell system has a left top fin and a right top fin, and the left top fin is located between the left top high-speed signal terminal pair and the top Between the pair of low-speed signal terminals to provide separation between the left top pair of high-speed signal terminals and the top pair of low-speed signal terminals; the right top tab is located between the right top pair of high-speed signal terminals and the top pair of low-speed signal terminals, To provide separation of the right top high-speed signal terminal pair and the top low-speed signal terminal pair; the first bottom shield shell system has a left bottom fin and a right bottom fin, and the left bottom fin is located at the left bottom high-speed between the pair of signal terminals and the pair of bottom low-speed signal terminals to provide separation between the pair of bottom left high-speed signal terminals and the pair of bottom low-speed signal terminals; between the pair of signal terminals to provide separation between the right bottom pair of high-speed signal terminals and the bottom pair of low-speed signal terminals. The USB board end connector of claim 3 further includes a top shielding cover and a bottom shielding cover, and the top shielding cover system is formed by bending the left top flap or the right top flap to form the The first top shielding shell; the bottom shielding cover system forms the first bottom shielding shell by bending the left bottom flap or the right bottom flap. Such as the USB board end connector of claim 3, further comprising a top shielding cover, a bottom shielding cover, a left longitudinal partition and a right longitudinal partition, the left longitudinal partition and the right longitudinal partition are respectively joining the middle transverse spacer and matching with the top shielding cover and the bottom shielding cover to respectively form the left top high-speed signal shielding chamber, the top low-speed signal shielding chamber, and the right top high-speed signal shielding chamber , the left bottom high-speed signal shielding chamber, the bottom low-speed signal shielding chamber and the right bottom high-speed signal shielding chamber, wherein the left longitudinal partition comprises the left top fin or the left bottom fin, the right A longitudinal bulkhead comprises either the right top flap or the right bottom flap. For example, the USB board connector of claim 3 is used in conjunction with a circuit substrate, wherein the left top high-speed signal terminal pair has a left top high-speed signal pin pair for lapping the circuit substrate, and the top low-speed The signal terminal pair has a top low-speed signal pin pair for bonding the circuit substrate, the right top high-speed signal terminal pair has a right top high-speed signal pin pair for bonding the circuit substrate, and the left top The fins extend between the left top high-speed signal pin pair and the top low-speed signal pin pair, and are used to overlap the circuit substrate to provide shielding for radiation generated by the left top high-speed signal or the top low-speed signal, To reduce the radiation interference between the left top high-speed signal and the top low-speed signal to an acceptable range, the right top fin extends between the right top high-speed signal pin pair and the top low-speed signal pin pair, and It is used to bond the circuit substrate to provide shielding for the radiation generated by the right top high-speed signal or the top low-speed signal, so that the radiation interference between the right top high-speed signal and the top low-speed signal can be reduced to an acceptable range; the left bottom The high-speed signal terminal pair has a left bottom high-speed signal pin pair for bonding the circuit substrate, the bottom low-speed signal terminal pair has a bottom low-speed signal pin pair for bonding the circuit substrate, and the right bottom pair The high-speed signal terminal pair has a right bottom high-speed signal pin pair for bonding the circuit substrate, the left bottom tab extends between the left bottom high-speed signal pin pair and the bottom low-speed signal pin pair, And it is used to overlap the circuit substrate to shield the radiation generated by the left bottom high-speed signal or the bottom low-speed signal, so that the radiation interference between the left bottom high-speed signal and the bottom low-speed signal can be reduced to an acceptable range. The bottom fin extends between the pair of right bottom high-speed signal pins and the bottom pair of bottom low-speed signal pins, and is used to overlap the circuit substrate to provide shielding for radiation generated by the right bottom high-speed signal or the bottom low-speed signal , so that the radiation interference between the right bottom high-speed signal and the bottom low-speed signal can be reduced to an acceptable range. The USB board end connector according to claim 1, further comprising a second top shielding shell and a second bottom shielding shell, the second top shielding shell is overlapped with the first top shielding shell to form the left top The high-speed signal shielding structure, a second part of the top low-speed signal shielding structure and the right top high-speed signal shielding structure, the second bottom shielding shell system overlapping the first bottom shielding shell to form the left bottom high-speed signal shielding structure . A second portion of the bottom low-speed signal shielding structure and the right bottom high-speed signal shielding structure. The USB board end connector according to claim 1, wherein the middle transverse spacer is located between the top terminal group and the bottom terminal group, and has a left top strong coupling structure, a right top strong coupling structure, a left The bottom strong coupling structure and a right bottom strong coupling structure; the left top strong coupling structure is located between the left top high-speed signal terminal pair and the top low-speed signal terminal pair to provide a strong coupling effect and reduce the left top high-speed signal and The top low-speed signal interferes with each other. The right top strong coupling structure is located between the top low-speed signal terminal pair and the right top high-speed signal terminal pair to provide a strong coupling effect to reduce the top low-speed signal and the right top high-speed signal. mutual interference; the left bottom strong coupling structure is located between the left bottom high-speed signal terminal pair and the bottom low-speed signal terminal pair to provide a strong coupling effect and reduce the mutual interference between the left bottom high-speed signal and the bottom low-speed signal, The right bottom strong coupling structure is located between the bottom low-speed signal terminal pair and the right bottom high-speed signal terminal pair to provide a strong coupling effect and reduce mutual interference between the bottom low-speed signal and the right bottom high-speed signal. The USB board connector of claim 8, wherein the middle transverse spacer further includes a top spacer and a bottom spacer, and the left top strong coupling structure and the right top strong coupling structure are arranged on the top spacer plate, the left bottom strong coupling structure and the right bottom strong coupling structure are arranged on the bottom spacer plate.

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