TWM643938U - usb connector - Google Patents

Abstract

A USB connector includes multiple sets of signal terminal pairs and ferrite components. The ferrite components are arranged around the signal terminal pairs for transmitting low-speed signals and extend between multiple sets of signal terminal pairs. High magnetic permeability and low conductivity characteristics to suppress the signal transmission magnetic field generated by each signal terminal pair when transmitting signals, so as to reduce the attenuation and distortion of each signal terminal pair of the USB connector when they interfere with each other during signal transmission To meet the requirements of the signal terminal for signal transmission in the USB connector specification.

Description

usb connector

The present application relates to signal transmission technology, and more specifically, relates to a USB connector that can meet the signal transmission requirements in the USB connector specification.

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

However, since multiple sets of signal terminal pairs of the USB connector will generate a signal transmission magnetic field when transmitting signals, and the generated signal transmission magnetic field will interfere with the signal transmission of multiple sets of signal terminal pairs, so that multiple sets of signal terminal pairs are transmitted during transmission. During the signal process, problems such as attenuation and distortion are prone to occur, and it is difficult to meet the signal transmission requirements for multiple sets of signal terminal pairs in the USB connector specification. Therefore, how to prevent the interference of the USB connector during the signal transmission process will be the primary technical problem to be solved in the design of the USB connector.

In view of the above-mentioned shortcomings of the prior art, the present application provides a USB connector, which includes: multiple sets of signal terminal pairs, the multiple signal terminal pairs are used to transmit signals, and the multiple sets of signal terminal pairs are among them The first one is a signal terminal pair for transmitting low-speed signals; a positioning insulator, the positioning insulation system provides positioning for each of the signal terminal pairs; and a ferrite component, the ferrite component is embedded in the positioning insulator, and placed Around the first one of the plurality of signal terminal pairs and extending between the plurality of signal terminal pairs, when each of the signal terminal pairs transmits a signal, a signal transmission magnetic field is generated, and the ferrite component system The magnetic field for suppressing the signal transmission can be provided, so that the interference of the signal terminals by the signal transmission magnetic field can be reduced to an acceptable level.

Compared with the prior art, the USB connector of the present application includes multiple sets of signal terminal pairs and ferrite components, wherein the ferrite components are placed around the signal terminal pairs that transmit low-speed signals and extend to multiple sets of signal terminal pairs Between, with its high magnetic permeability and low conductivity characteristics, to suppress the signal transmission magnetic field generated by each signal terminal pair when transmitting signals, so as to reduce the signal terminal pairs of the USB connector in the process of transmitting signals. The degree of attenuation and distortion caused by interference can meet the requirements for signal transmission of signal terminals in the USB connector specification.

1: USB connector

11:Top terminal assembly

111: Top high-speed signal terminal pair

112: Top low-speed signal terminal pair

113: Top positioning insulator

114: top ferrite component

12: Bottom terminal assembly

121: Bottom high-speed signal terminal pair

122: Bottom low-speed signal terminal pair

123: Bottom positioning insulator

124: Bottom ferrite component

13:Metal spacer

14: Metal top cover

15: Metal bottom cover

16: Joint insulator

17: Metal shell

2: USB connector

21: High-speed signal terminal pair

22: Low-speed signal terminal pair

23:Positioning the insulator

24: Ferrite component

S1: Connector semi-finished products

S2: Finished connector

1 to 18 are schematic diagrams of assembly of main components of the first embodiment of the USB connector of the present application.

19 to 23 are schematic diagrams of assembly of main components of the second embodiment of the USB connector of the present application.

The following content will be combined with drawings to illustrate the technical content of the application through specific embodiments. Those who are familiar with this technology can easily understand other advantages and effects of the application from the content disclosed in this specification. The present application can also be implemented or applied by other different specific embodiments. Various modifications and changes may be made to the details in this specification based on different viewpoints and applications without departing from the spirit of this application. In particular, the proportions and relative positions of various components in the drawings are for exemplary purposes only, and do not represent the actual situation of the implementation of the application.

Please refer to FIG. 1 to FIG. 23 for the description of the embodiments disclosed in the technology disclosed in this application.

As shown in Figures 1 to 18, it is a schematic diagram of the main components of the first embodiment of the USB connector of the present application. In this embodiment, the components of the USB cable end connector 1 can optionally include a top terminal assembly 11, The bottom terminal assembly 12 , the metal spacer 13 , the metal top cover 14 and the metal bottom cover 15 .

The top terminal assembly 11 includes a plurality of top signal terminal pairs 111 , 112 , a top positioning insulator 113 and a top ferrite component 114 . The pair of top signal terminals 111 and 112 provides transmission signals. As shown in FIG. 1 , the pair of top signal terminals 111 and 112 can be composed of at least one signal terminal respectively. In this application, the first of the top signal terminal pairs 111, 112 is the top signal terminal pair 112 for transmitting low-speed signals, and the second of the top signal terminal pairs 111, 112 is the top signal terminal pair 111 for transmitting high-speed signals . As shown in FIG. 2 , the top positioning insulator 113 can be formed by molding to provide positioning for the top pair of signal terminals 111 , 112 and separate the top pair of signal terminals 111 , 112 .

The top ferrite member 114 can be made of Ferrite ceramic material with high magnetic permeability and low electrical conductivity to provide the conduction of the suppression magnetic field. In this application, the top ferrite member 114 is embedded in the top Position the insulator 113 and place it on the top pair of signal terminals for transmitting low-speed signals 112 and extend between the multiple sets of top signal terminal pairs 111, 112 to separate the multiple sets of top signal terminal pairs 111, 112. When each top signal terminal pair 111, 112 transmits a signal (such as a high frequency signal) The signal transmission magnetic field, and the top ferrite member 114 can suppress the conduction of the signal transmission magnetic field through the characteristics of high magnetic permeability and low electrical conductivity, so that each top signal terminal pair 111, 112 is subjected to the signal transmission magnetic field Interference can be reduced to an acceptable level.

As shown in FIG. 1 , in this application, the top terminal assembly 11 may optionally include two sets of top signal terminal pairs 111 . Correspondingly, the top signal terminal pair 112 is located between the two top signal terminal pairs 111, and the top ferrite member 114 is extended to between the top signal terminal pairs 111, 112, so that each top signal terminal pair 111 is connected to the top Signal terminal pairs are separated by 112.

The bottom terminal assembly 12 includes a plurality of bottom signal terminal pairs 121 , 122 , a bottom positioning insulator 123 and a bottom ferrite member 124 . The bottom pair of signal terminals 121, 122 provides transmission signals. As shown in FIG. 1, the bottom pair of signal terminals 121, 122 can be composed of at least one signal terminal respectively. In this application, the first of the bottom signal terminal pairs 121, 122 is the top signal terminal pair 122 for transmitting low-speed signals, and the second of the bottom signal terminal pairs 121, 122 is the top signal terminal pair 121 for transmitting high-speed signals . As shown in FIG. 2 , the bottom positioning insulator 123 can be formed by molding to provide positioning for the bottom pair of signal terminals 121 , 122 and separate the bottom pair of signal terminals 121 , 122 .

The bottom ferrite member 124 can be made of Ferrite ceramic material with high magnetic permeability and low electrical conductivity to provide the conduction of the suppressed magnetic field. In this application, the bottom ferrite member 124 is embedded in the bottom The positioning insulator 123 is disposed around the bottom pair of signal terminals 122 for transmitting low-speed signals, and extends between the plurality of sets of bottom signal terminal pairs 121, 122 to separate the plurality of sets of bottom signal terminal pairs 121, 122. The bottom pair of signal terminals 121, 122 are transmitting signals (such as high frequency signals) When a signal transmission magnetic field is generated, the bottom ferrite member 124 can suppress the conduction of the signal transmission magnetic field through the characteristics of high magnetic permeability and low electrical conductivity, so that each bottom signal terminal pair 121, 122 receives the signal The interference of the transmitted magnetic field can be reduced to an acceptable level.

As shown in FIG. 1 , in this application, the bottom terminal assembly 12 may optionally include two sets of bottom signal terminal pairs 121 . Correspondingly, the bottom signal terminal pair 122 is located between the two bottom signal terminal pairs 121, and the bottom ferrite member 124 is extended to between the bottom signal terminal pairs 121, 122, so that each bottom signal terminal pair 121 is connected to the bottom The signal terminals are separated by 122 pairs.

The metal spacer 13 is located between the top terminal assembly 11 and the bottom terminal assembly 12 . The metal top cover 14 is in contact with the metal spacer 13 to form a shielding chamber to provide a shielding environment for the top terminal assembly 11 and reduce the interference to the top terminal assembly 11 to an acceptable level. The metal bottom cover 15 is in contact with the metal spacer 13 to form a shielding chamber to provide a shielding environment for the bottom terminal assembly 12 and reduce interference to the bottom terminal assembly 12 to an acceptable level.

In addition, in the present application, the components of the USB cable end connector 1 may optionally include a joint insulator 16 and a metal shell 17 . The bonding insulator 16 is used to provide bonding to make the top terminal assembly 11 , the bottom terminal assembly 12 , the metal spacer 13 , the metal top cover 14 and the metal bottom cover 15 join together to form a connector semi-finished product S1 . The metal shell 17 is integrated with the connector semi-finished product S1 to form a connector finished product S2. It should be noted that the metal shell 17 can provide shielding for the connector semi-finished product S1 to shield the external magnetic field and other interference.

The following is an illustration of the component assembly steps of the USB connector of this embodiment. As shown in Figures 1 to 8, firstly, the top terminal assembly 11, the bottom terminal assembly 12 and the metal spacer 13 are respectively prepared, and the top terminal assembly 11 and the bottom terminal assembly 12 are assembled on and above the metal spacer 13 respectively. below. Next, as shown in FIGS. 9 to 11 , prepare the metal top cover 14 and the metal bottom cover 15 respectively, The metal top cover 14 contacts the metal spacer 13 to provide a shielding environment for the top terminal assembly 11 , and the metal bottom cover 15 contacts the metal spacer 13 to provide a shielding environment for the bottom terminal assembly 12 .

Then, as shown in FIGS. 12 to 15 , the joint insulator 16 is joined to the top terminal assembly 11 , the bottom terminal assembly 12 , the metal spacer 13 , the metal top cover 14 and the metal bottom cover 15 to form a connector semi-finished product S1. Next, as shown in FIGS. 16 to 18 , the metal shell 17 is joined to the semi-finished connector S1 to form the finished connector S2 .

However, at least one of the constituent components and assembly steps of the USB connector of the present application may be omitted or added according to actual use, and are not limited to the above-mentioned ones.

For example, as shown in Figure 19 to Figure 23, it is a schematic diagram of the main components of the second embodiment of the USB connector of the present application. In this embodiment, the components of the USB connector 2 can optionally include: multiple groups Signal terminal pair 21 , 22 , positioning insulator 23 and ferrite component 24 . The pair of signal terminals 21, 22 provides transmission signals. As shown in FIG. 19, the pair of signal terminals 21, 22 can be composed of at least one signal terminal respectively. In this application, the first of the pair of signal terminals 21, 22 is the pair of signal terminals 22 for transmitting low-speed signals, and the second of the pair of signal terminals 21, 22 is the pair of signal terminals 21 for transmitting high-speed signals . The positioning insulator 23 can provide positioning for the pair of high-speed signal terminals 21 and the pair of low-speed signal terminals 22 to separate the pair of signal terminals 21 and 22 .

The ferrite member 24 is embedded with the positioning insulator 23, and is placed around the first 22 of the plurality of top signal terminal pairs 21, 22, and extends to the plurality of top signal terminal pairs 21, 22. between, to separate the multiple sets of top signal terminal pairs 21, 22, when each top signal terminal pair 21, 22 will generate a signal transmission magnetic field when transmitting a signal (such as a high frequency signal), and the ferrite member 24 is Inhibition available The conduction of the signal transmission magnetic field can reduce the interference of the signal transmission magnetic field to an acceptable level for each top signal terminal pair 21, 22.

The following is an illustration of the assembly steps of the components of the USB connector of this embodiment. As shown in Figures 19 to 20, at first, prepare at least one high-speed signal terminal pair 21, low-speed signal terminal pair 22 and positioning insulator 23 respectively, and make the positioning insulator 23 provide positioning for the high-speed signal terminal pair 21 and the low-speed signal terminal pair 22 . Next, as shown in FIG. 21 to FIG. 23 , the ferrite component 24 is prepared, so that the ferrite component 24 is embedded in the positioning insulator 23 and extends between the pair of high-speed signal terminals 21 and the pair of low-speed signal terminals 22 .

In summary, the USB connector of this application includes multiple sets of signal terminal pairs and ferrite components, wherein the ferrite components are placed around the signal terminal pairs that transmit low-speed signals and extend to multiple sets of signal terminal pairs. Between them, the signal transmission magnetic field generated by each signal terminal pair during signal transmission can be suppressed by its high magnetic permeability and low electrical conductivity characteristics, so as to reduce the mutual interaction between each signal terminal pair of the USB connector during signal transmission. The degree of attenuation and distortion caused by interference can meet the requirements for signal transmission of signal terminals in the USB connector specification.

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

21: High-speed signal terminal pair

22: Low-speed signal terminal pair

23:Positioning the insulator

24: Ferrite component

Claims (5)

A USB connector, the USB connector system includes: A plurality of signal terminal pairs, the plurality of signal terminal pairs are used to transmit signals, and the first of the plurality of signal terminal pairs is a signal terminal pair for transmitting low-speed signals; a positioning insulator, the positioning insulation system provides positioning for each of the signal terminal pairs; and A ferrite component, which is embedded in the positioning insulator, is placed around the first one of the multiple sets of signal terminal pairs, and extends between the multiple sets of signal terminal pairs, when each of the signal terminal pairs When the terminal pair transmits a signal, a signal transmission magnetic field is generated, and the ferrite component can suppress the signal transmission magnetic field, so that each signal terminal pair is interfered by the signal transmission magnetic field to an acceptable level. The USB connector according to claim 1, wherein the second of the multiple sets of signal terminal pairs is a signal terminal pair for transmitting high-speed signals. A USB connector, the USB connector system includes: A top terminal assembly, the top terminal assembly includes multiple sets of top signal terminal pairs, a top positioning insulator and a top ferrite member, wherein the multiple sets of top signal terminal pairs are used to transmit signals, and the multiple sets of top The first of the signal terminal pairs is the top signal terminal pair for transmitting low-speed signals, the top positioning insulation system provides positioning for each of the top signal terminal pairs, the top ferrite member is embedded in the top positioning insulator, and placed on Around the first one of the multiple sets of top signal terminal pairs, and extending between the multiple sets of top signal terminal pairs, when each of the top signal terminal pairs transmits a signal, a signal transmission magnetic field is generated, and the top ferrite The physical component system can provide suppression of the signal transmission magnetic field, so that each of the top signal terminals can reduce the interference of the signal transmission magnetic field to an acceptable level; A bottom terminal assembly, the bottom terminal assembly includes multiple sets of bottom signal terminal pairs, a bottom positioning insulator and a bottom ferrite member, wherein the multiple sets of bottom signal terminal pairs are used to transmit signals, and the multiple sets of bottom signal terminal pairs The first of the signal terminal pairs is the bottom signal terminal pair for transmitting low-speed signals, the bottom positioning insulation system provides positioning for each of the bottom signal terminal pairs, the bottom ferrite member is embedded in the bottom positioning insulator, and placed on Around the first one of the plurality of bottom signal terminal pairs, and extending between the plurality of bottom signal terminal pairs, when each of the bottom signal terminal pairs transmits a signal, a signal transmission magnetic field is generated, and the bottom ferrite The physical component system can provide suppression of the signal transmission magnetic field, so that each of the bottom signal terminals can reduce the interference of the signal transmission magnetic field to an acceptable level; a metal spacer positioned between the top terminal assembly and the bottom terminal assembly; a metal top cover, the metal top cover system contacts the metal spacer to form a shielded chamber to provide a shielded environment to the top terminal assembly, so that the top terminal assembly is subject to interference to an acceptable level; and A metal bottom cover system contacts the metal spacer to form a shielded chamber to provide a shielded environment to the bottom terminal assembly to reduce interference to the bottom terminal assembly to an acceptable level. Such as the USB connector of claim 3, wherein the second of the plurality of top signal terminal pairs is the top signal terminal pair for transmitting high-speed signals; the second of the plurality of bottom signal terminal pairs is for transmitting high-speed signals Bottom pair of signal terminals. The USB connector of claim 3, further comprising: a joint insulator and a metal outer shell, wherein the joint insulation system provides joints for the top terminal assembly, the bottom terminal assembly, the metal spacer, and the metal top cover It is integrated with the metal bottom cover to form a connector semi-finished product, and the metal shell system is integrated with the connector semi-finished product to form a connector finished product.

Images