CN217882183U - USB board end connector - Google Patents

USB board end connector Download PDF

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Publication number
CN217882183U
CN217882183U CN202220826430.9U CN202220826430U CN217882183U CN 217882183 U CN217882183 U CN 217882183U CN 202220826430 U CN202220826430 U CN 202220826430U CN 217882183 U CN217882183 U CN 217882183U
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China
Prior art keywords
speed signal
low
pair
shielding
high speed
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Application number
CN202220826430.9U
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Chinese (zh)
Inventor
杨成发
龚锦川
许容宾
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Harumoto Technology Shen Zhen Co ltd
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Harumoto Technology Shen Zhen Co ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • H01R13/6586—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure

Abstract

A USB board end connector is characterized in that a plurality of shielding cavities are respectively provided for a plurality of high-speed signal terminal pairs and low-speed signal terminal pairs, so that the radiation interference on high-speed signals of the high-speed signal terminal pairs and low-speed signals of the low-speed signal terminal pairs is reduced to an acceptable range, thus the radiation interference between the low-speed signals and the high-speed signals can be effectively inhibited, the radiation interference between the high-speed signals of the high-speed signal terminal pairs can be effectively inhibited, the attenuation and distortion degree of the low-speed signals and the high-speed signals of the USB board end connector in the transmission process can be reduced, and the signal transmission requirements on the low-speed signals and the high-speed signals in the specification of the USB board end connector can be met.

Description

USB board end connector
Technical Field
The present invention relates to a signal transmission technology, and more particularly, to a USB board-side connector that can meet the signal transmission requirements for low-speed signals and high-speed signals in the USB connector specification.
Background
USB connectors are widely used in various electronic devices for signal transmission, and the demand for signal transmission of USB connectors is increasing with the advance of technology, so in recent years, USB connectors are required to transmit high-speed signals in addition to low-speed signals, and in the specification of USB3.2 connectors, the transmission rate of high-speed signals is developed from 5Gbps of Gen1 to 20Gbps of Gen2 x 2, and even in the specification of USB4 connectors, the transmission rate of high-speed signals is required to reach 40Gbps.
However, the conventional USB connector is limited by the poor shielding effect of the mechanical design, which causes the problem of radiation interference between the high-speed signal and the low-speed signal, and causes the problems of attenuation and distortion of the low-speed signal and the high-speed signal during transmission, so that it is difficult to meet the signal transmission requirements for the low-speed signal and the high-speed signal in the USB connector specification. Therefore, how to prevent the problem of radiation interference of the USB connector during signal transmission is the primary technical problem to be solved by the design of the USB connector.
SUMMERY OF THE UTILITY MODEL
In view of the above drawbacks of the prior art, the present application is mainly aimed at reducing the radiated interference between the high-speed signal and the low-speed signal in the USB board-end connector and between the high-speed signals of the multiple pairs of high-speed signal terminals to an acceptable range, so as to meet the signal transmission requirements for the low-speed signal and the high-speed signal in the USB connector specification.
The application provides a USB board end connector, USB board end connector includes: a top terminal set comprising a left top pair of high speed signal terminals for transmitting a left top high speed signal, a top pair of low speed signal terminals for transmitting a top low speed signal, and a right top pair of high speed signal terminals for transmitting a right top high speed signal, the top pair of low speed signal terminals being located between the left top pair of high speed signal terminals and the right top pair of high speed signal terminals; a bottom terminal set comprising a left bottom high-speed signal terminal pair for transmitting a left bottom high-speed signal, a bottom low-speed signal terminal pair for transmitting a bottom low-speed signal, and a right bottom high-speed signal terminal pair for transmitting a right bottom high-speed signal, the bottom low-speed signal terminal pair being located between the left bottom high-speed signal terminal pair and the right bottom high-speed signal terminal pair; an intermediate lateral spacer located between the top terminal set and the bottom terminal set; a left top high speed signal shielding structure overlapping the middle transverse spacer to form a left top high speed signal shielding cavity, at least a portion of the left top high speed signal terminal pair being located within the left top high speed signal shielding cavity to shield the left top high speed signal shielding cavity from 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 to reduce the radiation interference of 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 to an acceptable range; a top low-speed signal shielding structure overlapping the middle transverse spacer to form a top low-speed signal shielding chamber, wherein at least one part of the top low-speed signal terminal pair is located in the top low-speed signal shielding chamber, so that the top low-speed signal shielding chamber shields 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, and 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 on the top low-speed signal is reduced to an acceptable range; a right top high speed signal shielding structure overlapping the intermediate lateral spacer to form a right top high speed signal shielding cavity, at least a portion of the right top high speed signal terminal pair being located within the right top high speed signal shielding cavity to shield the right top high speed signal shielding cavity from 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 to reduce the radiation interference 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 to the right top high speed signal to an acceptable range; a left bottom high speed signal shielding structure overlapping the middle 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 being located within the left bottom high speed signal shielding chamber to shield the left bottom high speed signal shielding chamber from 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 to reduce the radiation interference 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 to the left bottom high speed signal to an acceptable range; a bottom low-speed signal shielding structure overlapping the middle transverse spacer to form a bottom low-speed signal shielding cavity, wherein at least one part of the bottom low-speed signal terminal pair is located in the bottom low-speed signal shielding cavity, so that the bottom low-speed signal shielding cavity shields 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, and radiation interference of 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 on the bottom low-speed signal is reduced to an acceptable range; and a right bottom high speed signal shielding structure overlapping the middle transverse spacer to form a right bottom high speed signal shielding cavity, at least one part of the right bottom high speed signal terminal pair is located in the right bottom high speed signal shielding cavity, so that the right bottom high speed signal shielding cavity shields the 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, and the radiation interference generated 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 is reduced to an acceptable range.
Optionally, in the USB board-end connector, the USB board-end connector further includes a first top shielding shell and a first bottom shielding shell, where 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 shielding structure.
Optionally, in the USB board-end connector described above, the first top shielding shell has a left top tab and a right top tab, the left top tab being located between the left top pair of high-speed signal terminals and the top pair of low-speed signal terminals to provide separation of the left top pair of high-speed signal terminals from the top pair of low-speed signal terminals; the right top fin is located between the right top pair of high speed signal terminals and the top pair of low speed signal terminals to provide spacing of the right top pair of high speed signal terminals from the top pair of low speed signal terminals; the first bottom shielding shell having a left bottom flap and a right bottom flap, the left bottom flap being located between the left bottom pair of high speed signal terminals and the bottom pair of low speed signal terminals to provide separation of the left bottom pair of high speed signal terminals from the bottom pair of low speed signal terminals; the right bottom flap is positioned between the pair of right bottom high speed signal terminals and the pair of bottom low speed signal terminals to provide spacing of the pair of right bottom high speed signal terminals from the pair of bottom low speed signal terminals.
Optionally, the USB board-end connector further includes a top shielding cover and a bottom shielding cover, where the top shielding cover forms the first top shielding shell by forming the left top tab or the right top tab in a bending manner; the bottom shielding cover body forms the left bottom fin or the right bottom fin by a bending mode to form the first bottom shielding shell.
Optionally, in the USB port connector described above, further comprising a top shielding cover, a bottom shielding cover, a left longitudinal partition and a right longitudinal partition, wherein the left longitudinal partition and the right longitudinal partition are respectively engaged with the middle transverse partition and matched with the top shielding cover and the bottom shielding cover to form the left top high-speed signal shielding cavity, the top low-speed signal shielding cavity, the right top high-speed signal shielding cavity, the left bottom high-speed signal shielding cavity, the bottom low-speed signal shielding cavity and the right bottom high-speed signal shielding cavity, respectively, wherein the left longitudinal partition comprises the left top fin or the left bottom fin, and the right longitudinal partition comprises the right top fin or the right bottom fin.
Optionally, in the USB board-end connector, the USB board-end connector 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 overlapping the circuit substrate, the right top high-speed signal terminal pair has a right top high-speed signal pin pair for overlapping the circuit substrate, the left top tab extends between the left top high-speed signal pin pair and the top low-speed signal pin pair, and is used for overlapping the circuit substrate to shield radiation generated by the left top high-speed signal or the top low-speed signal, so that radiation interference between the left top high-speed signal and the top low-speed signal is reduced to an acceptable range, and the right top tab extends between the right top high-speed signal pin pair and the top low-speed signal pin pair, and is used for overlapping the circuit substrate to shield radiation generated by the right top high-speed signal or the top low-speed signal, so that radiation interference between the right top high-speed signal and the top low-speed signal is reduced to an acceptable range; the left bottom high-speed signal terminal is right to having and being used for the overlap joint circuit substrate's left bottom high-speed signal pin is right, bottom low-speed signal terminal is right to having and being used for the overlap joint circuit substrate's right bottom high-speed signal pin is right, left bottom fin extends to left bottom high-speed signal pin right with bottom low-speed signal pin is right between, and is used for the overlap joint circuit substrate with right left bottom high-speed signal or the radiation that bottom low-speed signal produced provides the shielding, makes left bottom high-speed signal with bottom low-speed signal each other's radiation interference reduces to acceptable range, right bottom fin extends to right bottom high-speed signal pin right with between the bottom low-speed signal pin is right, and is used for the overlap joint circuit substrate with right bottom high-speed signal or the radiation that bottom low-speed signal produced provides the shielding, makes right bottom high-speed signal with bottom low-speed signal each other's radiation interference reduces to acceptable range.
Optionally, in the USB port connector, the USB port connector further includes a second top shielding housing and a second bottom shielding housing, the second top shielding housing overlaps the first top shielding housing to form the left top high-speed signal shielding structure, the second part of the top low-speed signal shielding structure and the right top high-speed signal shielding structure, the second bottom shielding housing overlaps the first bottom shielding housing to form the left bottom high-speed signal shielding structure, the second part of the bottom low-speed signal shielding structure and the right bottom high-speed signal shielding structure.
Optionally, in the USB board-end connector, the middle transverse spacer is located between the top terminal set and the bottom terminal set, and has a left top strong coupling structure, a right top strong coupling structure, a left 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 to reduce mutual interference of the left top high-speed signal and the top low-speed signal, 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 mutual interference of the top low-speed signal terminal pair and the right top 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 to reduce mutual interference of the left bottom high-speed signal and the bottom low-speed signal, and 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 of the bottom low-speed signal terminal pair and the right bottom high-speed signal terminal pair.
Optionally, in the USB board-end connector, 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 disposed on the top spacer, and the left bottom strong-coupling structure and the right bottom strong-coupling structure are disposed on the bottom spacer.
As can be seen from the above, the USB board-side connector of the present application provides the shielding cavities for the high-speed signal terminal pairs and the low-speed signal terminal pairs, respectively, so as to reduce the radiation interference on the high-speed signals of the high-speed signal terminal pairs and the low-speed signals of the low-speed signal terminal pairs to an acceptable range, so as to effectively suppress the radiation interference between the low-speed signals and the high-speed signals, and also effectively suppress the radiation interference between the high-speed signals of the high-speed signal terminal pairs, and reduce the attenuation and distortion degree of the low-speed signals and the high-speed signals of the USB board-side connector during transmission, so as to meet the signal transmission requirements for the low-speed signals and the high-speed signals in the specification of the USB board-side connector.
Drawings
FIGS. 1 to 12 are schematic views illustrating the main manufacturing processes of a first embodiment of a USB board-end connector according to the present invention;
FIG. 13 is a cross-sectional view of the member of FIG. 6 taken along line AA;
FIG. 14 is a cross-sectional view of the member of FIG. 6 taken along line BB;
FIG. 15 is a cross-sectional view of the component illustrated in FIG. 11, taken along line CC;
FIG. 16 is a cross-sectional view of the member of FIG. 11 taken along line DD; and
fig. 17 to 27 are schematic diagrams illustrating the main manufacturing processes of the second embodiment of the USB board-end connector according to the present application.
Description of the symbols:
1 USB board end 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. Left top strong coupling structure
132. Right top strong coupling structure
133. Left bottom strong coupling structure
134. Right bottom strong coupling structure
135. Top partition board
136. Bottom partition plate
141. High-speed signal shielding structure at top left part
1411. Left top flap
142. Top low-speed signal shielding structure
143. Right top high-speed signal shielding structure
1431. Right top wing
144. High-speed signal shielding structure at left bottom
1441. Left bottom flap
145. Bottom low-speed signal shielding structure
146. Right bottom high-speed signal shielding structure
1461. Right bottom wing
15. Metal shell
161. Top shielding cover body
162. Bottom shielding cover body
163. Left longitudinal baffle
164. Right longitudinal baffle
2. Circuit board
E1 High-speed signal shielding cavity at left top
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 First top shield case
B2 First bottom shield case
B3 Second top shield case
B4 Second bottom shield case
Detailed Description
Regarding the technical idea of the connector of the present application, please refer to fig. 1 to 27 in the drawings of the present application together with the following embodiments:
in the following description, the present application is illustrated by several embodiments, in which the same or similar components are denoted by the same symbols and the same or similar technical features will be omitted:
first embodiment
In the present application, as shown in fig. 12 to fig. 15, the USB board-end connector 1 is used with the circuit substrate 2 to transmit high-speed signals and low-speed signals, and specifically, as shown in fig. 1 to fig. 16, the components of the USB board-end connector 1 may selectively include a top terminal set 11, a bottom terminal set 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 bottom high-speed signal shielding structure 144, a bottom low-speed signal shielding structure 145, and a right bottom high-speed signal shielding structure 146.
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 terminal pair 113 for transmitting a right top high-speed signal, 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 terminal pair 123 for transmitting a right bottom high-speed signal, 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 3, the intermediate transverse spacer 13 is located between the top terminal set 11 and the bottom terminal set 12 to separate the top terminal set 11 and the bottom terminal set 12, so as to reduce the electromagnetic field and other radiation interference between the top terminal set 11 and the bottom terminal set 12 to an acceptable range.
As shown in fig. 4 to 5, the USB board-end connector 1 may include a first top shielding shell B1, a first bottom shielding shell B2, a second top shielding shell B3, and a second bottom shielding shell B4 for providing shielding.
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 intermediate transverse spacer 13 to form a left top high speed signal shielding cavity E1. At least a portion of the left top high-speed signal terminal pair 111 is located within the left top high-speed signal shielding cavity E1. It should be noted that the left top high-speed signal shielding chamber E1 provides a shielding environment for at least a portion 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 radiation interference of the electromagnetic fields generated by the left top high-speed signal, 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 on the top low-speed signal is reduced to an acceptable range.
As shown in fig. 13, the first top shield shell B1 forms a first portion of the top low-speed signal shield structure 142. As shown in fig. 14, the second top shield shell B3 overlaps the first top shield shell B1 to form a second portion of the top low-speed signal shield structure 142. The top low-speed signal shielding structure 142 overlaps the intermediate transverse spacer 13 to form a top low-speed signal shielding cavity E2. At least a portion of the top low-speed signal terminal pair 112 is located within the top low-speed signal shielding cavity E2. It should be noted that the top low-speed signal shielding chamber E2 provides a shielding environment for at least a portion of the top low-speed signal terminal pair 112, and isolates interference sources such as electromagnetic field outside the top low-speed signal shielding chamber E2, so as to reduce radiation interference such as electromagnetic field generated by the top high-speed signal, 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 to an acceptable range.
As shown in fig. 13, the second top shield shell B3 overlaps the first top shield shell B1 to form a right top high speed signal shield structure 143. The right top high speed signal shielding structure 143 overlaps the intermediate lateral spacer 13 to form a right top high speed signal shielding cavity E3. At least a portion of the right top high-speed signal terminal pair 113 is located in the right top high-speed signal shielding cavity E3. It should be noted that the right top high-speed signal shielding chamber E3 provides a shielding environment for at least a portion of the right top high-speed signal terminal pair 113, and isolates interference sources such as electromagnetic field outside the right top high-speed signal shielding chamber E3, so as to reduce radiation interference such as electromagnetic field generated by the left top high-speed signal, 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 on the top low-speed signal to an acceptable range.
In addition, as shown in fig. 4, the USB board-end 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 tab 1411 located between the left top high-speed signal terminal pair 111 and the top low-speed signal terminal pair 112, so as to provide a separation between the left top high-speed signal terminal pair 111 and the top low-speed signal terminal pair 112 by the left top tab 1411, so as to reduce the radiation interference between the left top high-speed signal and the top low-speed signal to an acceptable range. The top shield cover 161 may further 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 provide separation between the right top high-speed signal terminal pair 113 and the top low-speed signal terminal pair 112 by the right top flap 1431, so that the radiation interference of the right top high-speed signal and the top low-speed signal with each other is reduced 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 have a left top high-speed signal pin pair 1111, a top low-speed signal pin pair 1121 and a right top high-speed signal pin pair 1131 for bonding the circuit substrate 2, respectively. The left top tab 1411 extends between the left top high-speed signal pin pair 1111 and the top low-speed signal pin pair 1121, and is used for bonding the circuit substrate 2 to provide shielding for radiation generated by the left top high-speed signal or the top low-speed signal, so as 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 1431 extends to between the right top high-speed signal pin pair 1131 and the top low-speed signal pin pair 1121, and is used for overlapping the circuit substrate 2 to provide shielding for 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 is reduced to an acceptable range.
As shown in fig. 13, second bottom shielding shell B4 overlaps 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 intermediate transverse spacer 13 to form a left bottom high speed signal shielding cavity E4. At least a portion of the left bottom high-speed signal terminal pair 121 is located within the left bottom high-speed signal shielding cavity E4. It should be noted that the left bottom high-speed signal shielding chamber E4 provides a shielding environment for at least a portion of the left bottom high-speed signal terminal pair 121, and isolates interference sources such as electromagnetic field outside the left bottom high-speed signal shielding chamber E4, so as to reduce radiation interference such as electromagnetic field generated by the right top high-speed signal, the left top high-speed signal, the top low-speed signal, the bottom low-speed signal, the right bottom high-speed signal or other signals to an acceptable range.
As shown in fig. 13, the first bottom shield shell B2 forms a first portion of the bottom low-speed signal shield structure 145. As shown in fig. 14, the second bottom shield shell B4 overlaps the first bottom shield shell B2 to form a second portion of the bottom low-speed signal shield structure 145. The bottom low-speed signal shielding structure 145 overlaps the intermediate transverse spacer 13 to form a bottom low-speed signal shielding cavity E5. At least a portion of the bottom low-speed signal terminal pair 122 is located within the bottom low-speed signal shielding cavity E5. It should be noted that the bottom low-speed signal shielding chamber E5 provides a shielding environment for at least a portion of the bottom low-speed signal terminal pair 122, and isolates interference sources such as electromagnetic field outside the bottom low-speed signal shielding chamber E5, so as to reduce radiation interference such as electromagnetic field generated by the left top high-speed signal, 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 on the bottom low-speed signal to an acceptable range.
As shown in fig. 13, the second bottom shielded enclosure B4 overlaps the first bottom shielded enclosure B2 to form a right bottom high speed signal shielding structure 146. The right bottom high speed signal shielding structure 146 overlaps the intermediate transverse spacer 13 to form a right bottom high speed signal shielding cavity E6. At least a portion of the right bottom high-speed signal terminal pair 123 is located within the right bottom high-speed signal shielding cavity E6. It should be noted that the right bottom high-speed signal shielding chamber E6 provides a shielding environment for at least a portion of the right bottom high-speed signal terminal pair 123, and isolates interference sources such as electromagnetic field outside the right bottom high-speed signal shielding chamber E6, so as to reduce radiation interference such as electromagnetic field generated by the left top high-speed signal, the right top high-speed signal, the top low-speed signal, the left bottom high-speed signal, the bottom low-speed signal, or other signals to an acceptable range.
In addition, as shown in fig. 4, the USB board-end 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 forms a left bottom tab 1441 between the left bottom high-speed signal terminal pair 121 and the bottom low-speed signal terminal pair 122 by bending, so as to separate the left bottom high-speed signal terminal pair 121 and the bottom low-speed signal terminal pair 122 by the left bottom tab 1441, and reduce the radiation interference between the left bottom high-speed signal and the bottom low-speed signal to an acceptable range. The bottom shield cover 162 also forms a right bottom fin 1461 located 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 terminal pair 123 and the bottom low-speed signal terminal pair 122 by the right bottom fin 1461, so that the radiation interference between the right bottom high-speed signal and the bottom low-speed signal is reduced 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 have a left bottom high-speed signal pin pair 1211, a bottom low-speed signal pin pair 1221, and a right bottom high-speed signal pin pair 1231, respectively, for lapping the circuit substrate 2. 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 for bonding the circuit substrate 2 to provide shielding for radiation generated by the left bottom high-speed signal or the bottom low-speed signal, so that radiation interference between the left bottom high-speed signal and the bottom low-speed signal is reduced to an acceptable range. The right bottom tab 1461 extends between the right bottom high-speed signal pin pair 1231 and the bottom low-speed signal pin pair 1221, and is used for overlapping the circuit substrate 2 to shield the radiation generated by the right bottom high-speed signal or the bottom low-speed signal, so as to reduce the radiation interference between 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 fig. 1 to 12, which are schematic diagrams illustrating the main manufacturing processes of the connector of this embodiment. As shown in fig. 1 to 3, first, the intermediate lateral spacers 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 arranged above and below the intermediate lateral spacers 13, respectively, to constitute a first connector semi-finished product. Next, as shown in fig. 4 to 8 and 13 to 14, a plurality of first top shielding shell B1, first bottom shielding shell B2, second top shielding shell B3 and second bottom shielding shell B4 are prepared, respectively, and the first top shielding shell B1 and the second top shielding shell B3 are sequentially assembled on the first connector semi-finished product to form the first portion of the top low-speed signal shielding structure 142 by the first top shielding shell B1, and the left top high-speed signal shielding structure 141, the second portion of the top low-speed signal shielding structure 142 and the right top high-speed signal shielding structure 143 by the first top shielding shell B1 and the second top shielding shell B3, respectively, and the first bottom shielding shell B2 and the second bottom shielding shell B4 are sequentially assembled under the first connector semi-finished product to form the first portion of the bottom low-speed signal shielding structure 145 by the first bottom shielding shell B2, and the right bottom shielding shell B4, respectively, and the left bottom shielding structure 145 and the right bottom high-speed signal shielding structure 144 are formed by the first bottom shielding shell B2 and the second bottom shielding shell B4, respectively, and the high-speed signal semi-finished product can be connected as a high-speed connector.
Then, as shown in fig. 11 to 12, the metal shell 15 is sleeved on the second connector semi-finished product, and the metal shell 15 shields the top terminal set 11 and the bottom terminal set 12 from external interference such as electromagnetic field, so that the interference of the external interference on 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 is reduced to an acceptable range. In addition, as shown in fig. 15, the metal housing 15 electrically contacts the middle transverse spacer 13, so that the metal housing 15 is electrically connected to the left top high-speed signal shielding structure 141, the top low-speed signal shielding structure 142, 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 for transmitting the shielding signal, and thus, the metal housing 15 can provide shielding for the top terminal group 11 and the bottom terminal group 12, so that the interference of the external environment on 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 is reduced to an acceptable range. It should be noted that the left top high-speed signal shielding structure 141 and the right top high-speed signal shielding structure 143 may be formed by a plurality of metal plates instead of the first top shielding case B1; the left bottom high-speed signal shielding structure 144 and the right bottom high-speed signal shielding structure 146 may be formed by a plurality of metal plates instead of the first bottom shielding case B2.
In addition, as shown in fig. 4, the intermediate lateral spacer 13 between the top terminal group 11 and the bottom terminal group 12 has a left top strong coupling structure 131, a right top strong coupling structure 132, a left bottom strong coupling structure 133, and a right bottom strong coupling structure 134, which are constituted by, for example, a concavo-convex structure. 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 the interference between the top left 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 the interference of the top low-speed signal and the right top high-speed signal with each other. 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 the 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 the interference between the bottom low-speed signal and the right bottom high-speed signal.
Specifically, as shown in fig. 1, the intermediate transverse spacer 13 further includes a top spacer plate 135 and a bottom spacer plate 136, and the left top strong coupling structure 131 and the right top strong coupling structure 132 are disposed on the top spacer plate 135, and the left bottom strong coupling structure 133 and the right bottom strong coupling structure 134 are disposed on the bottom spacer plate 136.
Second embodiment
As shown in fig. 17 to 27, the USB board-end connector 1 is used with the circuit substrate 2 to transmit high-speed signals and low-speed signals, and the constituent components optionally include a top terminal set 11, a bottom terminal set 12, a middle transverse spacer 13, a top shielding cover 161, a bottom shielding cover 162, a left longitudinal partition 163 and a right longitudinal partition 164.
As shown in fig. 20 to 22, the left longitudinal partition 163 and the right longitudinal partition 164 respectively engage the middle transverse partition 13, for example, in a plugging manner, and cooperate with the top shielding cover 161 and the bottom shielding cover 162 to form a left top high-speed signal shielding chamber E1, a top low-speed signal shielding chamber E2, a right top high-speed signal shielding chamber E3, a left bottom high-speed signal shielding chamber E4, a bottom low-speed signal shielding chamber E5, and a right bottom high-speed signal shielding chamber E6, respectively, as described in the first embodiment. In this embodiment, the left longitudinal partition 163 includes the left top flap 1411 or the left bottom flap 1441 as described in the first embodiment, and the right longitudinal partition 164 includes the right top flap 1431 or the right bottom flap 1461 as described in the first embodiment.
Please refer to fig. 18 to 27, which are schematic diagrams illustrating the main manufacturing processes of the connector of this embodiment. As shown in fig. 18 to 19, first, the intermediate lateral spacers 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 arranged above and below the intermediate lateral spacers 13, respectively, to constitute a first connector semi-finished product. Next, as shown in fig. 20 to 21, a top shield cover 161, a bottom shield cover 162, a left longitudinal partition 163 and a right longitudinal partition 164 are prepared, respectively, and the left longitudinal partition 163 and the right longitudinal partition 164 are engaged with the middle transverse partition 13, and then the top shield cover 161 and the bottom shield cover 162 are assembled above and below the first connector semi-finished product to form a left top high-speed signal shield cavity E1, a top low-speed signal shield cavity E2, a right top high-speed signal shield cavity E3, a left bottom high-speed signal shield cavity E4, a bottom low-speed signal shield cavity E5 and a right bottom high-speed signal shield cavity E6, respectively, so as to form a second connector semi-finished product.
Then, as shown in fig. 25 to 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 communicated with the left top high-speed signal shielding cavity E1, the top low-speed signal shielding cavity E2, the right top high-speed signal shielding cavity E3, the left bottom high-speed signal shielding cavity E4, the bottom low-speed signal shielding cavity E5, and the right bottom high-speed signal shielding cavity E6 to form a shielding loop, so that the metal shell 15 can provide shielding for the top terminal set 11 and the bottom terminal set 12, so as to reduce the interference of the outside on 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.
To sum up, the USB board-side connector of the present application provides the shielding chamber for the plurality of high-speed signal terminal pairs and the low-speed signal terminal pairs, respectively, so that the radiation interference received by the high-speed signals of the plurality of high-speed signal terminal pairs and the low-speed signals of the low-speed signal terminal pairs is reduced to an acceptable range, and thus, the radiation interference between the low-speed signals and the high-speed signals can be effectively suppressed, the radiation interference between the high-speed signals of the plurality of high-speed signal terminal pairs can be effectively suppressed, and the degree of attenuation and distortion of the low-speed signals and the high-speed signals of the USB board-side connector in the transmission process is reduced, so as to meet the signal transmission requirements for the low-speed signals and the high-speed signals in the specification of the USB board-side connector.
The above-described embodiments are merely illustrative of the principles and effects of the present application, and are not intended to limit the present application. Modifications and variations can be made to the above-described embodiments by those of ordinary skill in the art without departing from the spirit and scope of the present application. Therefore, the protection scope of the present application should be as set forth in the claims of the present application.

Claims (9)

1. A USB board-end connector, comprising:
a top terminal set comprising a left top pair of high speed signal terminals for transmitting left top high speed signals, a top pair of low speed signal terminals for transmitting top low speed signals, and a right top pair of high speed signal terminals for transmitting right top high speed signals, the top pair of low speed signal terminals being located between the left top pair of high speed signal terminals and the right top pair of high speed signal terminals;
a bottom terminal set comprising a left bottom high-speed signal terminal pair for transmitting a left bottom high-speed signal, a bottom low-speed signal terminal pair for transmitting a bottom low-speed signal, and a right bottom high-speed signal terminal pair for transmitting a right bottom high-speed signal, the bottom low-speed signal terminal pair being located between the left bottom high-speed signal terminal pair and the right bottom high-speed signal terminal pair;
an intermediate lateral spacer located between the top and bottom terminal sets;
a left top high speed signal shielding structure overlapping the middle transverse spacer to form a left top high speed signal shielding chamber, at least a portion of the left top high speed signal terminal pair being located within the left top high speed signal shielding chamber to shield 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 from the left top high speed signal shielding chamber to reduce radiation interference of 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 to an acceptable range;
a top low-speed signal shielding structure overlapping the middle transverse spacer to form a top low-speed signal shielding chamber, wherein at least one part of the top low-speed signal terminal pair is located in the top low-speed signal shielding chamber, so that the top low-speed signal shielding chamber shields 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, and 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 on the top low-speed signal is reduced to an acceptable range;
a right top high speed signal shielding structure overlapping the intermediate lateral spacer to form a right top high speed signal shielding cavity, at least a portion of the right top high speed signal terminal pair being located within the right top high speed signal shielding cavity to shield the right top high speed signal shielding cavity from 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 to reduce the radiation interference 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 to the right top high speed signal to an acceptable range;
a left bottom high speed signal shielding structure overlapping the middle 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 being located within the left bottom high speed signal shielding chamber to shield the left bottom high speed signal shielding chamber from 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 to reduce the radiation interference 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 to the left bottom high speed signal to an acceptable range;
a bottom low-speed signal shielding structure overlapping the middle transverse spacer to form a bottom low-speed signal shielding chamber, wherein 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 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, and radiation interference of 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 on the bottom low-speed signal is reduced to an acceptable range; and
right bottom high speed signal shielding structure, right bottom high speed signal shielding structure overlap joint middle transverse partition spare, and form right bottom high speed signal shielding cavity, at least a position that right bottom high speed signal terminal is right bottom high speed signal shielding cavity is indoor, so that right bottom high speed signal shielding cavity shielding comes from left top high speed signal, right top high speed signal, top low speed signal, left bottom high speed signal or the radiation of bottom low speed signal makes left top high speed signal right top high speed signal top low speed signal left bottom high speed signal or bottom low speed signal is right the radiation interference that right bottom high speed signal produced reduces to acceptable range.
2. The USB board-end connector of claim 1, further comprising a first top shield shell and a first bottom shield shell, the first top shield shell forming a first portion of the top low-speed signal shield structure; the first bottom shield shell forms a first portion of the bottom low-speed signal shielding structure.
3. The USB board-end connector of claim 2, wherein the first top shielding shell has a left top tab and a right top tab, the left top tab being located between the left top pair of high-speed signal terminals and the top pair of low-speed signal terminals to provide spacing of the left top pair of high-speed signal terminals from the top pair of low-speed signal terminals; the right top fin is located between the pair of right top high speed signal terminals and the pair of top low speed signal terminals to provide spacing of the pair of right top high speed signal terminals from the pair of top low speed signal terminals; the first bottom shielding shell having a left bottom flap and a right bottom flap, the left bottom flap being located between the left bottom pair of high speed signal terminals and the bottom pair of low speed signal terminals to provide separation of the left bottom pair of high speed signal terminals from the bottom pair of low speed signal terminals; the right bottom flap is positioned between the right bottom pair of high speed signal terminals and the bottom pair of low speed signal terminals to provide spacing of the right bottom pair of high speed signal terminals from the bottom pair of low speed signal terminals.
4. The USB board-end connector of claim 3, further comprising a top shield cover and a bottom shield cover, wherein the top shield cover forms the first top shield shell by bending to form the left top tab or the right top tab; the bottom shielding cover body forms the left bottom fin or the right bottom fin by a bending mode to form the first bottom shielding shell.
5. The USB board-end connector of claim 3, further comprising a top shield cover, a bottom shield cover, a left longitudinal partition, and a right longitudinal partition, the left longitudinal partition and the right longitudinal partition engaging the middle transverse partition and cooperating with the top shield cover and the bottom shield cover to form the left top high-speed signal shield cavity, the top low-speed signal shield cavity, the right top high-speed signal shield cavity, the left bottom high-speed signal shield cavity, the bottom low-speed signal shield cavity, and the right bottom high-speed signal shield cavity, respectively, wherein the left longitudinal partition comprises the left top flap or the left bottom flap, and the right longitudinal partition comprises the right top flap or the right bottom flap.
6. The USB board-end connector of claim 3, wherein the USB board-end connector is used in conjunction with a circuit substrate, wherein the left top pair of high-speed signal terminals has a left top pair of high-speed signal pins for bridging the circuit substrate, the top pair of low-speed signal terminals has a top pair of low-speed signal pins for bridging the circuit substrate, the right top pair of high-speed signal terminals has a right top pair of high-speed signal pins for bridging the circuit substrate, the left top tab extends between the left top pair of high-speed signal pins and the top pair of low-speed signal pins and is used for bridging the circuit substrate to provide shielding from radiation generated by the left top high-speed signal or the top low-speed signal, reducing radiation interference of the left top high-speed signal and the top low-speed signal with each other to an acceptable range, the right top tab extends between the right top pair of high-speed signal pins and the top pair of low-speed signal pins and for bridging the circuit substrate to provide shielding from radiation generated by the right top high-speed signal or the top low-speed signal, reducing radiation interference of the right top high-speed signal and the top signal with each other to an acceptable range; the left bottom high-speed signal terminal is right to having and being used for the overlap joint circuit substrate's left bottom high-speed signal pin is right, bottom low-speed signal terminal is right to having and being used for the overlap joint circuit substrate's right bottom high-speed signal pin is right, left bottom fin extends to left bottom high-speed signal pin right with bottom low-speed signal pin is right between, and is used for the overlap joint circuit substrate with right left bottom high-speed signal or the radiation that bottom low-speed signal produced provides the shielding, makes left bottom high-speed signal with bottom low-speed signal each other's radiation interference reduces to acceptable range, right bottom fin extends to right bottom high-speed signal pin right with between the bottom low-speed signal pin is right, and is used for the overlap joint circuit substrate with right bottom high-speed signal or the radiation that bottom low-speed signal produced provides the shielding, makes right bottom high-speed signal with bottom low-speed signal each other's radiation interference reduces to acceptable range.
7. The USB board-end connector of claim 2, 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, the second portion of the top low-speed signal shielding structure, and the right top high-speed signal shielding structure, the second bottom shielding shell overlapping the first bottom shielding shell to form the left bottom high-speed signal shielding structure, the second portion of the bottom low-speed signal shielding structure, and the right bottom high-speed signal shielding structure.
8. The USB board-end connector of claim 1, wherein the middle lateral spacer is located between the top terminal set and the bottom terminal set and has a left top strong coupling structure, a right top strong coupling structure, a left 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 to reduce mutual interference of the left top high-speed signal and the top low-speed signal, 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 mutual interference of the top low-speed signal and the right top high-speed signal; 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 to reduce mutual interference of the left bottom high-speed signal and the bottom low-speed signal, and 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 of the bottom low-speed signal and the right bottom high-speed signal.
9. The USB board-end connector of claim 8, wherein the middle transverse spacer further comprises a top spacer plate and a bottom spacer plate, and wherein the left top strong-coupling structure and the right top strong-coupling structure are disposed on the top spacer plate and the left bottom strong-coupling structure and the right bottom strong-coupling structure are disposed on the bottom spacer plate.
CN202220826430.9U 2021-05-21 2022-04-11 USB board end connector Active CN217882183U (en)

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TW110118559 2021-05-21
TW110118559A TWI778631B (en) 2021-05-21 2021-05-21 Usb board end connector

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CN110896177A (en) * 2018-08-25 2020-03-20 富士康(昆山)电脑接插件有限公司 Electrical connector
CN109462090A (en) * 2018-11-08 2019-03-12 昆山全方位电子科技有限公司 Electric connector
CN112448235B (en) * 2019-09-04 2022-05-31 上海莫仕连接器有限公司 Electric connector and circuit board thereof
CN211126218U (en) * 2019-12-10 2020-07-28 电连技术股份有限公司 Male seat, female seat and board-to-board radio frequency connector
TWM621334U (en) * 2021-05-21 2021-12-21 大陸商春源科技（深圳）有限公司 USB board connector

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