TWI778631B - 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 a signal transmission technology, and more particularly, to a USB board connector that can meet the signal transmission requirements for 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 USB connector signal transmission is increasing day by day. Therefore, in recent years, in addition to transmitting low-speed signals, USB connectors are also required to transmit high-speed signals. Signal, in the specification of USB3.2 connector, the transmission rate of high-speed signal has developed from 5Gbps in Gen1 to 20Gbps in 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 mechanical design, resulting in the problem of radiation interference between high-speed signals and low-speed signals, resulting in attenuation and distortion of low-speed signals and high-speed signals during transmission. 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 problem of radiation interference during the signal transmission process of the USB connector will be the primary technical problem to be solved in the design of the USB connector.

In view of the above-mentioned shortcomings of the prior art, the main purpose of the present 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 a plurality of high-speed signal terminal pairs. Acceptable range to meet the signal transmission requirements for low-speed signals and high-speed signals in the USB connector specification.

The present 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 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 group, the bottom terminal group 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 for transmitting a left bottom high-speed signal, the bottom low-speed signal terminal pair is used for transmitting a bottom low-speed signal, the right bottom high-speed signal terminal The 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 right bottom high-speed signal terminal pair; a middle transverse spacer, the middle transverse spacer is located in 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 is overlapped with the middle lateral spacer to form a left top high-speed signal shielding chamber, the left top high-speed signal shielding chamber 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 is shielded from the top low-speed signal, the right top high-speed signal, the left bottom high-speed signal, the The radiation of the bottom low-speed signal or the right bottom high-speed signal causes 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 radiate interference to the left top high-speed signal reduced to an acceptable range; a top low-speed signal shielding structure that overlaps the middle lateral spacer to form a top low-speed signal shielding chamber, at least a portion of the top low-speed signal terminal pair is is located in the top low-speed signal shielding chamber, so that the top low-speed signal shielding chamber is shielded 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 to reduce the radiation interference of 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 to an acceptable range; a right top A high-speed signal shielding structure, the right top high-speed signal shielding structure overlaps the middle lateral spacer to form a right-top high-speed signal shielding chamber, and at least one part of the right-top high-speed signal terminal pair is located on the right-top high-speed signal inside 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 of 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 overlaps the middle The horizontal spacer forms a left bottom high-speed signal shielding chamber, and at least a part 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 is shielded from the The radiation of 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 makes the right top high-speed signal, the left top high-speed signal, the top low-speed signal, the bottom The radiation interference produced by the low-speed signal or 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 overlaps the middle lateral 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 is shielded from 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 makes 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 pair 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 overlaps the middle lateral spacer to form a right bottom high-speed signal shielding chamber , at least a 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 left bottom high speed signal or the bottom low speed signal makes 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 radiated 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, and the first top shielding shell system forms a first part of the top low-speed signal shielding structure; The first bottom shield shell system forms a first part of the bottom low speed signal shield structure.

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

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

Optionally, in the above-mentioned USB board-end connector, it also includes a top shielding cover, a bottom shielding cover, a left longitudinal partition plate and a right longitudinal partition plate, the left longitudinal partition plate and the right longitudinal partition plate The middle lateral spacer is respectively joined and matched with the top shielding cover and the bottom shielding cover to 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 respectively a 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 includes the left top fin or the left bottom fin, The right longitudinal bulkhead includes the right top flap or the right bottom flap.

Optionally, in the above-mentioned USB board connector, it is used in combination with a circuit substrate, wherein the left top high-speed signal terminal pair has a left top high-speed signal pin pair for overlapping the circuit substrate. The top low-speed signal terminal pair has a top low-speed signal pin pair for connecting to the circuit substrate, the right top high-speed signal terminal pair has a right top high-speed signal pin pair for connecting to 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 generated by the left top high-speed signal or the top low-speed signal The shielding reduces the radiation interference of the left top high-speed signal and the top low-speed signal to an acceptable range, and the right top fin extends between the right top high-speed signal pin pair and the top low-speed signal pin pair , and is used to overlap the circuit substrate to shield the radiation generated by the right top high-speed signal or the top low-speed signal, so as to reduce the radiation interference of the right top high-speed signal and the top low-speed signal to an acceptable range; the The left bottom high-speed signal terminal pair has a left bottom high-speed signal pin pair for connecting to the circuit substrate, and the bottom low-speed signal terminal pair has a bottom low-speed signal pin pair for connecting to the circuit substrate. The right bottom high-speed signal terminal pair has a right bottom high-speed signal pin pair for overlapping the circuit substrate, and the left bottom tab is extended to the left bottom high-speed signal pin pair and the bottom low-speed signal pin pair. time, and 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 of 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 for radiation generated by the right bottom high-speed signal or the bottom low-speed signal Provide shielding to reduce the radiation interference of the right bottom high-speed signal and the bottom low-speed signal to an acceptable range.

Optionally, in the above-mentioned USB board terminal connector, a second top shielding shell and a second bottom shielding shell are further included, and the second top shielding shell is overlapped with 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 The shielding structure, a second portion of the bottom low-speed signal shielding structure, and the right bottom high-speed signal shielding structure.

Optionally, in the above-mentioned USB board end connector, the middle lateral 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 strong coupling structure, and a left top strong coupling structure. 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, so as to provide a strong coupling effect and reduce the left top high-speed signal and the The top low-speed signals interfere with each other, and 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, so as to provide a strong coupling effect and reduce the top low-speed signal terminal pair and the right top. The high-speed signal terminal pair interferes with each other; 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, so as to provide a strong coupling effect and reduce 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, so as 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 end connector, the middle lateral 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 in the top spacer plate, the left bottom strong coupling structure and the right bottom strong coupling structure are arranged on the bottom spacer plate.

As can be seen from the above, the USB board connector of the present application provides shielding chambers for a plurality of high-speed signal terminal pairs and low-speed signal terminal pairs respectively, so that the high-speed signals of the plurality of 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 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 also be effectively suppressed. The degree of attenuation and distortion of the low-speed signal and high-speed signal of the USB board-side connector during the transmission process to meet the signal transmission requirements for low-speed and high-speed signals in the USB board-side connector specification.

Regarding the technical idea of the connector of the present application, please refer to FIGS. 1 to 27 in the drawings of the present application together with the following descriptions of the embodiments:

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

first embodiment

In this application, as shown in FIGS. 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 FIGS. 1 to 16 , the USB board The components of the end connector 1 can optionally include a top terminal group 11, a bottom terminal group 12, a middle lateral 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 top high-speed signal shielding structure 142, 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, of course, the above-mentioned components of the USB board connector 1 can be selected to omit at least one of them or add other components according to actual use. not limited to the above.

As shown in FIG. 2 , the top terminal group 11 includes a left top high-speed signal terminal pair 111 for transmitting a left top high-speed signal, a top low-speed signal terminal pair 112 for transmitting a top low-speed signal, and a right top high-speed signal. The right top 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 a left bottom high-speed signal terminal pair 121 for transmitting a left bottom high-speed signal, a bottom low-speed signal terminal pair 122 for transmitting a bottom low-speed signal, and a right bottom high-speed signal 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 FIG. 2 to FIG. 3 , the middle lateral 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 , so that the top terminal group 11 and the bottom terminal group 12 are separated. Radiation interference such as electromagnetic fields of the groups 12 with each other is reduced to an acceptable range.

As shown in FIGS. 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 for providing shielding Housing B4.

As shown in FIG. 13 , the second top shielding shell B3 is overlapped with the first top shielding shell B1 to form the left top high-speed signal shielding structure 141 . The left top high-speed signal shielding structure 141 is overlapped with the middle lateral spacer 13 to form the left top high-speed signal shielding chamber E1. At least a part 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 outside the left top high-speed signal shielding chamber E1, so that the left For 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, the electromagnetic field generated by the top low-speed signal is reduced to an acceptable range.

As shown in FIG. 13 , the first top shielding shell B1 forms the first part of the top low-speed signal shielding 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 lateral spacer 13 to form the top low-speed signal shielding chamber E2. At least a 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 a 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 can be shielded. , the right top high-speed signal, the left bottom high-speed signal, the bottom low-speed signal, the right bottom high-speed signal or other signals, the electromagnetic field generated by the top low-speed signal is reduced to an acceptable range.

As shown in FIG. 13 , the second top shielding shell B3 is overlapped with the first top shielding shell B1 to form the right top high-speed signal shielding structure 143 . The right top high-speed signal shielding structure 143 overlaps the middle lateral spacer 13 to form the right top high-speed signal shielding chamber E3. At least a part 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 a part of the right top high-speed signal terminal pair 113, and isolates interference sources such as electromagnetic fields outside the right top high-speed signal shielding chamber E3, so that the left For 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, the electromagnetic field generated by the top low-speed signal is reduced 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 formed by the top shielding cover 161 , and the top shielding cover 161 is formed by bending A left top fin 1411 is formed between the left top high-speed signal terminal pair 111 and the top low-speed signal terminal pair 112 by means of the left top fin 1411 to provide separation between the left top high-speed signal terminal pair 111 and the top low-speed signal terminal pair 112, reducing the radiation interference of the left top high-speed signal and the top low-speed signal 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 as to separate the right top by the right top flap 1431 The high-speed signal terminal pair 113 and the top low-speed signal terminal pair 112 reduce the radiation interference of the right top high-speed signal and the top low-speed signal to an acceptable range.

As shown in FIG. 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 , a top low-speed signal terminal pair 1111 for connecting to the circuit substrate 2 , and a top low-speed signal terminal pair 111 , respectively. Pin pair 1121 and top right high-speed signal pin pair 1131. The left top flap 1411 extends between the left top 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 , 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 flap 1431 extends between the right top 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 , to reduce the radiation interference between the right top high-speed signal and the top low-speed signal to an acceptable range.

As shown in FIG. 13 , the second bottom shielding shell B4 is overlapped with the first bottom shielding shell B2 to form the left bottom high-speed signal shielding structure 144 . The left bottom high-speed signal shielding structure 144 is overlapped with the middle lateral spacer 13 to form the left bottom high-speed signal shielding chamber E4. At least a part 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 a part of the left-bottom high-speed signal terminal pair 121 to isolate electromagnetic fields and other interference sources outside the left-bottom high-speed signal shielding chamber E4, so that the right For 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 bottom right or other signals, the electromagnetic field and other radiation interference generated by the high-speed signal at the bottom left are reduced to an acceptable range.

As shown in FIG. 13 , the first bottom shielding shell B2 forms the first part of the bottom low-speed signal shielding structure 145 . As shown in FIG. 14 , the second bottom shielding shell B4 is overlapped with the first bottom shielding shell B2 to form the second part of the bottom low-speed signal shielding structure 145 . The bottom low-speed signal shielding structure 145 overlaps the middle lateral spacer 13 to form the bottom low-speed signal shielding chamber E5. At least a 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 a 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 can be shielded. , The top low-speed signal, the right top high-speed signal, the left bottom high-speed signal, the right bottom high-speed signal or other signals, the electromagnetic field generated by the bottom low-speed signal is reduced to an acceptable range.

As shown in FIG. 13 , the second bottom shielding shell B4 is overlapped with 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 lateral spacer 13 to form the right bottom high-speed signal shielding chamber E6. At least a part 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 a part of the right bottom high-speed signal terminal pair 123, and isolates interference sources such as electromagnetic fields outside the right bottom high-speed signal shielding chamber E6, so that the left For 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, the electromagnetic field generated by the high-speed signal at the bottom right is reduced 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 constituted by the bottom shielding cover 162 . The bottom shielding cover 162 is formed by bending a left bottom flap 1441 between the left bottom high-speed signal terminal pair 121 and the 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 of 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 fin 1461 between the right bottom high-speed signal terminal pair 123 and the bottom low-speed signal terminal pair 122 by bending, so as to separate the right bottom high-speed signal by the right bottom fin 1461 The terminal pair 123 and the bottom low-speed signal terminal pair 122 reduce the radiation interference of the right bottom high-speed signal and the bottom low-speed signal to an acceptable range.

As shown in FIG. 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 terminal pair 1211 for connecting to the circuit substrate 2 , and a bottom low-speed signal terminal pair 123 respectively The pin pair 1221 and the right bottom high-speed signal pin pair 1231. The left bottom tab 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 , to reduce the radiation interference of the left bottom high-speed signal and the bottom low-speed signal to an acceptable range. The right bottom flap 1461 extends 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 , to reduce the radiation interference of the right bottom high-speed signal and the bottom low-speed signal to an acceptable range.

Regarding the manufacture of the connector of this embodiment, please refer to the schematic diagrams of the main manufacturing process of the connector of this embodiment in FIGS. 1 to 12 . As shown in FIGS. 1 to 3 , first, the middle lateral spacer 13 , the top terminal group 11 and the bottom terminal group 12 are prepared respectively, and the top terminal group 11 and the bottom terminal group 12 are respectively assembled on the middle lateral spacer 13 . above and below to form the first connector semi-finished product. Next, as shown in FIGS. 4 to 8 and FIGS. 13 to 14 , a plurality of pieces of the first top shielding case B1 , the first bottom shielding case B2 , the second top shielding case B3 and the second bottom shielding case are prepared respectively. body B4, and the first top shielding shell B1 and the second top shielding shell B3 are sequentially assembled above the first connector semi-finished product, so as to form the top low-speed signal shielding structure 142 by the first top shielding shell B1 The first part of 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 are formed by the combination of the first top shielding shell B1 and the second top shielding shell B3 143. In addition, the first bottom shielding shell B2 and the second bottom shielding shell B4 are sequentially assembled below the first connector semi-finished product, so as to form a bottom low-speed signal shielding structure by the first bottom shielding shell B2 The first part of 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 combination of the first bottom shielding shell B2 and the second bottom shielding shell B4 Structure 146, as such, may constitute a second connector blank.

Then, as shown in FIG. 11 to FIG. 12 , a metal casing 15 is sleeved on the second connector semi-finished product, and the top terminal group 11 and the bottom terminal group 12 are shielded by the metal casing 15 from external electromagnetic fields and other interferences, so that the outside world is not sensitive to the left side. The interference of the top high-speed signal, the top low-speed signal, the right top high-speed signal, the left bottom high-speed signal, the bottom low-speed signal and the right bottom high-speed signal is reduced to an acceptable range. In addition, as shown in FIG. 15 , the metal casing 15 is in electrical contact with the middle lateral spacer 13 , so that the metal casing 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 lateral spacer 13 to form a shielding loop and transmit shielding signals, so that the metal shell 15 can be the top terminal group 11 Shielding is provided with the bottom terminal group 12 so as to reduce the external interference to the left top high-speed signal, the top low-speed signal, the right top high-speed signal, the left bottom high-speed signal, the bottom low-speed signal and the right bottom high-speed signal to an acceptable range. It should be noted that the composition 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 composed of multiple metal plates; the left bottom high-speed signal shielding structure The formation of the high-speed signal shielding structure 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 formed by a plurality of metal plates.

In addition, as shown in FIG. 4 , the middle lateral 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 a concave-convex structure. 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 to 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 to 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 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 lateral spacer 13 further 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 disposed on the top spacer 135 , the left 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 FIG. 17 to FIG. 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 group 11 , a bottom terminal group 12 , and a middle lateral 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 FIG. 20 to FIG. 22 , the left longitudinal partition plate 163 and the right longitudinal partition plate 164 are respectively connected to the middle transverse partition member 13 by, for example, plugging, and are matched with the top shielding cover 161 and the bottom shielding cover 162 , respectively. , 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, the bottom low-speed signal shielding chamber E4 described in the first embodiment Chamber E5 and the right bottom high-speed signal shielding chamber E6. In this embodiment, the left longitudinal partition plate 163 includes the left top flap 1411 or the left bottom flap 1441 described in the first embodiment, and the right longitudinal partition plate 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 the schematic diagrams of the main manufacturing process of the connector of this embodiment in FIGS. 18 to 27 . As shown in FIG. 18 to FIG. 19 , first, the middle lateral spacer 13 , the top terminal group 11 and the bottom terminal group 12 are prepared respectively, and the top terminal group 11 and the bottom terminal group 12 are respectively assembled on the middle lateral spacer 13 . above and below to form the first connector semi-finished product. Next, as shown in FIGS. 20 to 21 , the top shielding cover 161 , the bottom shielding cover 162 , the left longitudinal partition 163 and the right longitudinal partition 164 are prepared respectively, and the left longitudinal partition 163 and the right longitudinal partition 164 are The middle lateral spacer 13 is joined, and then the top shielding cover 161 and the bottom shielding cover 162 are assembled 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 E1 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 Connect 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 The chamber E6 is used to form a shielding circuit, so that the metal casing 15 can provide shielding for the top terminal group 11 and the bottom terminal group 12, so that the outside world can shield the left top high-speed signal, the top low-speed signal, the right top high-speed signal, the left bottom high-speed signal, the bottom The interference between the low-speed signal and the high-speed signal at the bottom right is reduced to an acceptable range.

To sum up, the USB board connector of the present application provides shielding chambers for a plurality of high-speed signal terminal pairs and a plurality of low-speed signal terminal pairs, so that the high-speed signal and low-speed signal terminal pairs of the plurality of high-speed signal terminal pairs have low-speed signals. The radiation interference of 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 also be effectively suppressed. Reduce the attenuation and distortion of the low-speed signal and high-speed signal of the USB board-end connector during transmission, so as to meet the signal transmission requirements for low-speed and high-speed signals in the USB board-end connector specification.

The above-mentioned embodiments merely 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 embodiments without departing from the spirit and scope of the present application. Therefore, the protection scope of the right of this application shall 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 lateral spacers 131: Strong coupling structure at the top left 132: Right top strong coupling structure 133: Strong coupling structure at bottom left 134: Strong coupling structure at the bottom right 135: Top Spacer 136: Bottom spacer 141: Left top high-speed signal shielding structure 1411: Left top flap 142: Top low-speed signal shielding structure 143: Right top high-speed signal shielding structure 1431: Right top flap 144: High-speed signal shielding structure at the bottom left 1441: Left bottom flap 145: Bottom low-speed signal shielding structure 146: Right bottom high-speed signal shielding structure 1461: Right bottom flap 15: Metal shell 161: Top shield cover 162: Bottom shield cover 163: Left longitudinal partition 164: Right longitudinal partition 2: circuit board E1: Left top high-speed signal shielding chamber E2: Top low-speed signal shielding chamber E3: Right top high-speed signal shielding chamber E4: Left bottom high-speed signal shielding chamber E5: Bottom low-speed signal shielding chamber E6: Right bottom high-speed signal shielding chamber B1: The first top shield shell B2: The first bottom shielding shell B3: Second top shield shell B4: Second bottom shield shell

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

Figure 13 is a cross-sectional view of the member shown in Figure 6 cut along line segment AA;

Figure 14 is a sectional view of the member shown in Figure 6 cut along line segment BB;

Figure 15 is a cross-sectional view of the member shown in Figure 11 cut along line segment CC;

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

17 to 27 are schematic diagrams of the main manufacturing process of the second embodiment of the USB board terminal 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 lateral spacers

141: Left top high-speed signal shielding structure

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: Right bottom high-speed signal shielding structure

E1: Left top high-speed signal shielding chamber

E2: Top low-speed signal shielding chamber

E3: Right top high-speed signal shielding chamber

E4: Left bottom high-speed signal shielding chamber

E5: Bottom low-speed signal shielding chamber

E6: Right bottom high-speed signal shielding chamber

B1: The first top shield shell

B2: The first bottom shielding shell

B3: Second top shield shell

B4: Second bottom shield shell

Claims (9)

A USB board-end connector, the USB board-end connector comprises: 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, 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, the 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 group includes a left bottom high-speed signal terminal pair and a bottom low-speed signal terminal pair. With a right bottom high-speed signal terminal pair, the left bottom high-speed signal terminal pair is used for transmitting a left bottom high-speed signal, the bottom low-speed signal terminal pair is used for transmitting a bottom low-speed signal, and the right bottom high-speed signal terminal pair is used for For transmitting 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 lateral spacer, the middle lateral spacer is located at the top terminal Between the 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 lateral spacer to form a left-top high-speed signal shielding chamber, the left top high-speed signal terminal At least one part of the pair is located in the left top high-speed signal shielding chamber, so that the left top high-speed signal shielding chamber is shielded from the top low-speed signal, the right top high-speed signal, the left bottom high-speed signal, and the bottom low-speed signal or the radiation of the right bottom high-speed signal; a top low-speed signal shielding structure, the top low-speed signal shielding structure is overlapped with the middle lateral spacer to form a top low-speed signal shielding chamber, at least one of the top low-speed signal terminal pairs The part is located in the top low-speed signal shielding chamber, so that the top low-speed signal shielding chamber is shielded from the 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 radiation of the right bottom high-speed signal; a right top high-speed signal shielding structure, the right top high-speed signal shielding structure overlaps the The middle lateral spacer forms a right top high-speed signal shielding chamber, and at least a part of the right top high-speed signal terminal pair is located in the right top high-speed signal shielding chamber, so that the right top high-speed signal shielding chamber is shielded from the At the radiation of 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; a left bottom high-speed signal shielding structure, the left bottom high-speed signal shielding structure is overlapped with the The middle lateral spacer forms a left bottom high-speed signal shielding chamber, and at least a part 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 is shielded from the At the radiation of 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; a bottom low-speed signal shielding structure, the bottom low-speed signal shielding structure overlaps the middle lateral spacer to form a bottom low-speed signal shielding chamber, at least a 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 high-speed signal from the left top , the radiation of the top low-speed signal, the right top high-speed signal, the left bottom high-speed signal or the right bottom high-speed signal; and a right bottom high-speed signal shielding structure, the right bottom high-speed signal shielding structure overlaps the middle lateral spacer , and a right bottom high-speed signal shielding chamber is formed, and at least a 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 Radiation of the 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. The USB board connector of claim 1, further comprising a first top shielding shell and a first bottom shielding shell, the first top shielding shell system forming a first part of the top low-speed signal shielding structure; the first A bottom shielding shell system forms a first part of the bottom low speed signal shielding structure. The USB board terminal connector of claim 2, wherein the first top shielding shell system has a left top flap and a right top flap, and the left top flap 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 pair of high-speed signal terminals on the left top and the pair of low-speed signal terminals on the top; the right top fin is located between the pair of high-speed signal terminals on the right top and the pair of low-speed signal terminals on the top, To provide separation of the right top high-speed signal terminal pair and the top low-speed signal terminal pair; the first bottom shielding shell system has a left bottom flap and a right bottom flap, the left bottom flap is located at the left bottom high-speed between the pair of signal terminals and the pair of low-speed signal terminals at the bottom to provide separation between the pair of high-speed signal terminals at the bottom left and the pair of low-speed signal terminals at the bottom; the right bottom tab is located between the pair of high-speed signal terminals at the bottom right and the bottom low-speed signal terminal pair between the pair of signal terminals to provide separation between the pair of high-speed signal terminals at the bottom right and the pair of low-speed signal terminals at the bottom. The USB board terminal connector of claim 3, further comprising a top shielding cover and a bottom shielding cover, the top shielding cover system is formed by bending the left top flap or the right top flap to form the a first top shielding shell; the bottom shielding cover system forms the first bottom shielding shell by forming the left bottom wing or the right bottom wing by bending. The USB board terminal connector of claim 3, further comprising a top shielding cover, a bottom shielding cover, a left longitudinal partition plate and a right longitudinal partition plate, the left longitudinal partition plate and the right longitudinal partition plate are respectively The middle lateral spacer is joined and matched with the top shielding cover and the bottom shielding cover to 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 respectively 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 includes the left top wing or the left bottom wing sheet, the right longitudinal bulkhead includes the right top flap or the right bottom flap. The USB board connector of claim 3 is used in combination with a circuit substrate, wherein the top left high-speed signal terminal pair has a left top high-speed signal pin pair for connecting to the circuit substrate, and the top low-speed signal terminal pair The signal terminal pair has a top low-speed signal pin pair for connecting to the circuit substrate, the right top high-speed signal terminal pair has a right top high-speed signal pin pair for connecting to the circuit substrate, 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, The right top fin extends between the right top high-speed signal pin pair and the top low-speed signal pin pair, and is used to overlap the circuit substrate for radiation generated by the right top high-speed signal or the top low-speed signal Provide shielding; the left bottom high-speed signal terminal pair has a left bottom high-speed signal pin pair for overlapping the circuit substrate, and the bottom low-speed signal terminal pair has a bottom low-speed signal terminal for overlapping the circuit substrate. Pin pair, the right bottom high-speed signal terminal pair has a right bottom high-speed signal pin pair for overlapping the circuit substrate, and the left bottom fin extends to the left bottom high-speed signal pin pair and the bottom low-speed signal pin pair Between the pin pairs, and used to overlap the circuit substrate to shield the radiation generated by the left bottom high-speed signal or the bottom low-speed signal, the right bottom fin is extended to the right bottom high-speed signal pin pair and the The bottom low-speed signal pin pair is used to overlap the circuit substrate to shield the right bottom high-speed signal or the radiation generated by the bottom low-speed signal. The USB board connector of claim 1, further comprising a second top shielding shell and a second bottom shielding shell, the second top shielding shell overlapping the first top shielding shell to form the left top high-speed signal shielding structure, a second portion 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 . The USB board terminal connector of claim 1, wherein the middle lateral 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 strong coupling structure, and a left top strong coupling structure. 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, so as to provide a strong coupling effect and reduce the left top high-speed signal and the The top low-speed signals interfere with each other, and 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 of 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 to reduce mutual interference between the bottom low-speed signal and the right bottom high-speed signal. The USB board terminal connector of claim 8, wherein the middle lateral spacer further comprises a top spacer and a bottom spacer, and the left top strong coupling structure and the right top strong coupling structure are disposed in 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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