Wire-to-board signal transmission mechanism
Through the design line assembly and shielding components in the board signal transmission mechanism, the surround structure is formed, and the problem of interference and overflow of high -frequency signal transmission is solved, and the stability and long -distance transmission of high -frequency signals are realized.
Patent Information
- Application Number
- CN202010307898.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-04-17
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2040-04-17
AI Technical Summary
The existing wire-to-board signal transmission mechanisms are prone to interference and overflow when transmitting high-frequency signals, resulting in signal attenuation and unable to effectively transmit long distances.
A line signal signal transmission mechanism is designed, and a combination of line group assembly, wire -end connectors and shielding components is used. By setting up the first high -frequency signal line group, the second high -frequency signal line group, and the low -frequency signal line group. And set up shielding conductors and high -frequency shielding materials to form a surround structure to avoid interference.
The signal attenuation caused by interference and prevention of overflow is effectively suppressed, the stability of the high -frequency signal transmission is improved, and the high -frequency signal can be transmitted long -distance.
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Figure CN113540846B_ABST
Abstract
Description
Technical Field
[0001] The present application relates to signal transmission technology, and more specifically, to a wire-to-board signal transmission mechanism that can effectively prevent the transmission of high-frequency signals from being interfered with and from causing overflow waves. Background Art
[0002] The 5G wireless communication era is coming after 2020. According to the specifications of the Wireless Gigabit Alliance (WiGig), 5G wireless communication will use high-frequency signals from the 6GHz band to the 55-67GHz band, and even ultra-high frequency signals in the 80GHz band may be used.
[0003] Since 5G wireless communication needs to be achieved through high-frequency signals, the transmission of high-frequency signals will be affected by interference and spillover between signals, especially when transmitting high-frequency signals through conventional FPC and PCB circuits. The transmission of high-frequency signals is most seriously affected. The existing wire-to-board signal transmission mechanism is limited by the poor shielding effect of the mechanism design, and there are problems of signal attenuation and interference caused by spillover, which makes it impossible to effectively transmit high-frequency signals over long distances. It can usually only be used to transmit low-frequency signals below 6GHz, such as GPS or WIFI. Therefore, for the transmission of high-frequency signals, how to suppress interference and prevent spillover will be the first technical problem to be solved.
[0004] Therefore, it is necessary and urgent to develop a wire-to-board signal transmission mechanism that can effectively transmit high-frequency signals over long distances. This has become a technical problem that the industry is eager to challenge and overcome. Summary of the invention
[0005] In view of the above-mentioned shortcomings of the prior art, the present application provides a wire-to-board signal transmission mechanism, which can effectively avoid signal attenuation and improve the stability of high-frequency signal transmission.
[0006] The present application provides a wire-to-board signal transmission mechanism, which includes a wire group assembly, a wire end connector and a shielding component, the wire group assembly includes a first high-frequency signal wire group, a second high-frequency signal wire group, and a low-frequency signal wire group arranged between the first high-frequency signal wire group and the second high-frequency signal wire group, wherein the first high-frequency signal wire group and the second high-frequency signal wire group transmit high-frequency signals respectively, and the low-frequency signal wire group transmits low-frequency signals, and wherein the first high-frequency signal wire group and the second high-frequency signal wire group each have a shielding conductor; the wire end connector is electrically connected to the wire group assembly, and is used to receive the high-frequency signal and the low-frequency signal transmitted by the wire group assembly, and has a first metal shell and a second metal shell. Metal shell; and a shielding component, which includes: a first shielding component, the first shielding component provides the shielding conductors of the first high-frequency signal line group and the second high-frequency signal line group to electrically connect the first metal shell and the second metal shell of the line end connector respectively, so that the first metal shell and the second metal shell constitute a first shielding structure surrounding the line group assembly, and the first shielding structure is used to prevent the transmission of high-frequency signals of the first high-frequency signal line group and the second high-frequency signal line group from being interfered; and a second shielding component, the second shielding component is arranged between the first high-frequency signal line group and the second high-frequency signal line group, so as to prevent the transmission of high-frequency signals of the first high-frequency signal line group and the second high-frequency signal line group from interfering with each other.
[0007] Optionally, in the above-mentioned wire-to-board signal transmission mechanism, the second shielding component is composed of a high-frequency shielding material that covers at least a portion of the low-frequency signal line group.
[0008] Optionally, in the above-mentioned wire-to-board signal transmission mechanism, the wire group assembly further includes a shielding signal wire group and a power supply signal wire group, wherein the shielding signal wire group transmits a shielding signal, and the power supply signal wire group transmits a power supply signal.
[0009] Optionally, in the above-mentioned wire-to-board signal transmission mechanism, the first high-frequency signal wire group and the second high-frequency signal wire group are each a wire group consisting of at least one coaxial line, and the low-frequency signal wire group is a wire group consisting of at least one electronic wire.
[0010] Optionally, in the above-mentioned wire-to-board signal transmission mechanism, the wire group assembly also includes a first sub-wire group arranged adjacent to the first metal shell and a second sub-wire group arranged adjacent to the second metal shell, the first sub-wire group and the second sub-wire group each include the first high-frequency signal wire group, the second high-frequency signal wire group, and the low-frequency signal wire group, and wherein the shielding component also includes: an intermediate shielding member, the intermediate shielding member is located between the first sub-wire group and the second sub-wire group; the first shielding member also includes providing the first high-frequency signal wire group and the second high-frequency signal wire group in the first sub-wire group The respective shielding conductors of the groups are respectively electrically connected to the first metal shell and the intermediate shielding component of the line end connector to form a first shielding substructure surrounding the first sub-line group; and the first shielding component also includes providing the first high-frequency signal line group and the second high-frequency signal line group in the second sub-line group with respective shielding conductors respectively electrically connected to the second metal shell and the intermediate shielding component of the line end connector to form a second shielding substructure surrounding the second sub-line group; wherein the transmission of high-frequency signals of the first sub-line group and the second sub-line group is prevented from interfering with each other by means of the intermediate shielding component.
[0011] Optionally, in the above-mentioned wire-to-board signal transmission mechanism, the first shielding structure includes the first shielding substructure and the second shielding substructure.
[0012] Optionally, in the above-mentioned wire-to-board signal transmission mechanism, the first sub-wire group and the second sub-wire group are stacked up and down.
[0013] Optionally, in the above-mentioned wire-to-board signal transmission mechanism, the intermediate shielding member is a metal plate extending from the body of the wire end connector and sandwiched between the first sub-wire group and the second sub-wire group.
[0014] Optionally, in the above-mentioned wire-to-board signal transmission mechanism, the coaxial line has a coaxial line connection end, and the coaxial line connection end exposes the coaxial line center conductor of the coaxial line to electrically connect to the line end connector, and the line end connector also includes an isolation component, which electrically isolates the exposed part of the coaxial line center conductor from the first metal shell or the second metal shell.
[0015] Optionally, in the above-mentioned wire-to-board signal transmission mechanism, the electronic wire has an electronic wire connection end, and the electronic wire connection end exposes the electronic wire center conductor of the electronic wire to electrically connect to the wire end connector. The wire end connector also includes an isolation component, which electrically isolates the exposed part of the electronic wire center conductor from the first metal shell or the second metal shell.
[0016] As can be seen from the above, the wire-to-board signal transmission mechanism of the present application uses the first shielding structure formed by the electrical properties of the first shielding member to prevent the transmission of high-frequency signals of the two high-frequency signal line groups from being interfered with. At the same time, the second shielding structure formed by the second shielding member is used to prevent the two high-frequency signal line groups from interfering with each other when transmitting high-frequency signals. Therefore, the wire-to-board signal transmission mechanism of the present application has good anti-interference performance, can effectively suppress interference and prevent technical problems such as signal attenuation caused by overflow waves, can improve the stability of high-frequency signal transmission, enable high-frequency signals to be transmitted over long distances, and solve the problem that the existing wire-to-board signal transmission mechanism cannot effectively transmit high-frequency signals over long distances. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figures 1 to 3 This is a schematic diagram of the overall architecture of the wire-to-board signal transmission mechanism of the present application;
[0018] Figures 4 to 11 A partial schematic diagram of the assembly process of the wire-to-board signal transmission mechanism of the present application;
[0019] Fig.12 A schematic top view of the wire-to-board signal transmission mechanism of the present application; and
[0020] Fig.13 for Fig.12 A cross-sectional view of the component shown along line segment AA; and
[0021] Fig.14 This is a usage status diagram of the wire-to-board signal transmission mechanism of the present application.
[0022] Explanation of symbols:
[0023] 1 Wire-to-board signal transmission mechanism
[0024] 11 Line assembly
[0025] 11A First sub-line group
[0026] 11B Second sub-line group
[0027] 111 The first high-frequency signal line group (coaxial line)
[0028] 1111 Shielded conductor
[0029] 1112 Coaxial cable connection end
[0030] 1113 Coaxial center conductor
[0031] 112 Second high-frequency signal line group (coaxial line)
[0032] 1121 Shielded conductor
[0033] 1122 Coaxial cable connection end
[0034] 1123 Coaxial cable center conductor
[0035] 113 Low frequency signal line set (electronic line)
[0036] 1131 Electronic wire connection end
[0037] 1132 Electronic wire center conductor
[0038] 114 Shielded signal line set (electronic line)
[0039] 115 Shielded signal line set (electronic line)
[0040] 12-wire connector
[0041] 121 First Metal Shell
[0042] 122 Second Metal Shell
[0043] Port 123
[0044] 123A First subport
[0045] 123B Second subport
[0046] 125 Insulation seat
[0047] 126 Isolation Components
[0048] 13 Shielding components
[0049] 131 first shielding member
[0050] 132 second shielding member
[0051] 133 Intermediate shield
[0052] 211~219 Connection terminals
[0053] S1 First shielding structure
[0054] S11 First shielding substructure
[0055] S12 Second shielding substructure
[0056] S2 Second shielding structure DETAILED DESCRIPTION
[0057] The following content will be accompanied by the accompanying drawings to illustrate the technical content of the present application through specific embodiments. Those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. The present application can also be implemented or applied through other different specific embodiments. The details in this specification can also be modified and changed in various ways based on different viewpoints and applications without departing from the spirit of the present application. In particular, the proportional relationship and relative position of each component in the accompanying drawings are only for exemplary purposes and do not represent the actual situation of the implementation of the present application.
[0058] See also Figures 1 to 3 , which is a schematic diagram of the overall architecture of the wire-to-board signal transmission mechanism of the present application. Figure 1 As shown, the wire-to-board signal transmission mechanism 1 mainly includes a wire group assembly 11 , a wire end connector 12 and a shielding component 13 .
[0059] like Figure 2 As shown, the line group assembly 11 includes a first high-frequency signal line group 111, a second high-frequency signal line group 112, and a low-frequency signal line group 113 disposed between the first high-frequency signal line group 111 and the second high-frequency signal line group 112. The first high-frequency signal line group 111 and the second high-frequency signal line group 112 are used to transmit high-frequency signals, and the low-frequency signal line group 113 is used to transmit low-frequency signals, and the first high-frequency signal line group 111 and the second high-frequency signal line group 112 each have a shielding conductor 1111, 1121.
[0060] In an optional embodiment, the first high-frequency signal line 111 and the second high-frequency signal line group 112 are, for example, a line group composed of at least one coaxial line, and the shielding conductors 1111 and 1121 are, for example, shielding layers (i.e., braided layers) in the coaxial line. In addition, the low-frequency signal line group 113 is, for example, a line group composed of at least one electronic wire.
[0061] See also Fig. 9 The line end connector 12 is electrically connected to the line group assembly 11, and is used to receive the high frequency signal transmitted by the first high frequency signal line group 111 and the second high frequency signal line group 112 of the line group assembly 11 and the low frequency signal transmitted by the low frequency signal line group 113. In an optional embodiment, the line end connector 12 can be inserted into the board end connector to transmit the high frequency signal and the low frequency signal to the board end connector.
[0062] In this application, if Figure 2 As shown, the line end connector 12 further comprises a first metal shell 121 and a second metal shell 122. In an optional embodiment, the first metal shell 121 and the second metal shell 122 are, for example, an upper metal shell and a lower metal shell disposed on the upper and lower sides of the line end connector 12.
[0063] In an alternative embodiment, if Figure 2 As shown, the line group assembly 11 also includes a first sub-line group 11A arranged adjacent to the first metal shell 121 and a second sub-line group 11B arranged adjacent to the second metal shell 122, wherein the first sub-line group 11A and the second sub-line group 11B each include a first high-frequency signal line group 111, a second high-frequency signal line group 112, and a low-frequency signal line group 113 arranged between the above two.
[0064] In an alternative embodiment, if Figure 2 As shown, the first sub-wire group 11A and the second sub-wire group 11B are, for example, stacked one above the other. It should be noted that the number of stacked wire groups in the wire group assembly 11 is not limited to this and can be changed according to actual needs.
[0065] See also Figures 5 to 9 In the case where the line group assembly 11 is designed as a double-layer flat cable structure, the shielding component 13 further includes an intermediate shielding member 133, which is located between the first sub-line group 11A and the second sub-line group 11B. In an optional embodiment, the intermediate shielding member 133 is, for example, a metal plate disposed between the first sub-line group 11A and the second sub-line group 11B.
[0066] Correspondingly, such as Figure 4 As shown, the port 123 of the line end connector 12 further includes a first sub-port 123A and a second sub-port 123B, wherein the first sub-port 123A provides electrical connection to the first sub-line group 11A, and the second sub-port 123B provides electrical connection to the second sub-line group 11B.
[0067] In an optional embodiment, the line end connector 12 further includes an insulating seat 125, wherein the first sub-port 123A electrically connected to the first sub-line group 11A and the second sub-port 123B electrically connected to the second sub-line group 11B can be respectively mounted on the insulating seat 125. In addition, the insulating seat 125 also provides a first metal shell 121 and a second metal shell 122 to be mounted thereon, so as to assemble and form the overall structure of the line end connector 12.
[0068] Please refer to Figures 10 to 14 The shielding assembly 13 includes a first shielding component 131 and a second shielding component 132 .
[0069] The first shielding member 131 is used to provide the shielding conductors 1111 and 1121 of the first high-frequency signal line group 111 and the second high-frequency signal line group 112 to electrically connect the first metal shell 121 and the second metal shell 122 of the line end connector 12, so that the first metal shell 121 and the second metal shell 122 form a first shielding structure S1 surrounding the line group assembly 11 (refer to Fig.14), the first shielding structure S1 is used to prevent the transmission of high-frequency signals of the first high-frequency signal line group 111 and the second high-frequency signal line group 112 from being interfered. Therefore, for the transmission of high-frequency signals, interference can be effectively suppressed and the technical problem of signal attenuation caused by overflow waves can be prevented.
[0070] In an alternative embodiment, if Fig.14 As shown, the first shielding structure S1 also includes a first shielding substructure S11 and a second shielding substructure S12. Specifically, the first shielding member 131 is also used to provide the shielding conductors 1111 and 1121 of the first high-frequency signal line group 111 and the second high-frequency signal line group 112 in the first sub-line group 11A to be respectively electrically connected to the first metal shell 121 and the intermediate shielding member 133 of the line end connector 12, so as to form the first shielding substructure S11 surrounding the first sub-line group 11A, so as to prevent the transmission of the high-frequency signal of the first sub-line group 11A from being interfered. At the same time, the first shielding member 131 also provides the shielding conductors 1111 and 1121 of the first high-frequency signal line group 111 and the second high-frequency signal line group 112 in the second sub-line group 11B to be respectively electrically connected to the second metal shell 122 and the intermediate shielding member 133 of the line end connector 12, so as to form the second shielding substructure S12 surrounding the second sub-line group 11B, so as to prevent the transmission of the high-frequency signal of the second sub-line group 11B from being interfered.
[0071] In addition, the provision of the intermediate shielding member 133 can also effectively prevent the transmission of high-frequency signals of the first sub-wire group 11A and the second sub-wire group 11B from interfering with each other.
[0072] Correspondingly, if Figure 2 As shown, the line group assembly 11 further includes shielded signal line groups 114 and 115 for transmitting shielded signals, and power supply signal line groups 118 and 119 for transmitting power supply signals.
[0073] In an alternative embodiment, if Figure 4 As shown, the first high-frequency signal line group 111 and the second high-frequency signal line group 112 in the line group assembly 11 are, for example, line groups composed of at least one coaxial line, which are electrically connected to the connection terminals 211 and 212 of the port 123 respectively; the shielded signal line groups 114 and 115 in the line group assembly 11 are, for example, line groups composed of at least one electronic wire (i.e., grounding wire) for grounding purposes, which are electrically connected to the connection terminals 213 and 214 of the port 123 respectively; the low-frequency signal line group 113 is, for example, a line group composed of electronic wires for transmitting low-frequency signals, and the low-frequency signal line group 113 is electrically connected to the connection terminal 215 of the port 123.
[0074] like Fig.14As shown, the second shielding member 132 includes a high-frequency shielding material that covers a portion of the low-frequency signal line group 113 to form a second shielding structure S2 formed between the first high-frequency signal line group 111 and the second high-frequency signal line group 112, thereby preventing the first high-frequency signal line group 111 and the second high-frequency signal line group 112 from interfering with each other when transmitting high-frequency signals.
[0075] In this embodiment, the above-mentioned high-frequency shielding material is, for example, a special material that can generate a magnetic field in a high-frequency signal transmission environment, and can provide a technical effect of signal shielding when the first high-frequency signal line group 111 and the second high-frequency signal line group 112 transmit high-frequency signals, so as to avoid the first high-frequency signal line group 111 and the second high-frequency signal line group 112 interfering with each other when transmitting high-frequency signals.
[0076] See also Figure 4 The first high-frequency signal line group coaxial line 111 and the second high-frequency signal line group 112 each have a coaxial line connection end 1112, 1122, wherein the coaxial line connection end 1112 can expose the coaxial line center conductor 1113 of the first high-frequency signal line group coaxial line 111, and the coaxial line connection end 1122 can expose the coaxial line center conductor 1123 of the second high-frequency signal line group 112, so as to achieve electrical connection with the line end connector 12, and wherein the line end connector 12 further includes an isolation member 126 (refer to Fig.11 ) so that the exposed portion of the coaxial center conductor 1113, 1123 is electrically isolated from the first metal shell 121 or the second metal shell 122 of the line end connector 12 by means of the isolation component 126, thereby providing an insulation technical effect.
[0077] In an alternative embodiment, see Figure 4 The low-frequency signal line set 113 has an electronic line connection end 1131, and the electronic line connection end 1131 can expose the electronic line center conductor 1132 of the low-frequency signal line set 113 to achieve electrical connection with the line end connector 12, and wherein, Fig.11 As shown, the isolation component 126 of the line end connector 12 can also electrically isolate the exposed portion of the electronic wire center conductor 1132 from the first metal shell 121 or the second metal shell 122 of the line end connector 12 to provide an insulation technical effect.
[0078] In the present application, the isolation component 126 for electrically isolating the exposed portion of the electronic wire center conductor 1132 and the exposed portion of the coaxial line center conductors 1113 and 1123 can be an integral insulating structure formed in one piece, or can be composed of two or more independent insulating parts.
[0079] To sum up, the wire-to-board signal transmission mechanism of the present application can effectively suppress interference and prevent technical problems such as signal attenuation caused by spillover waves through the provision of a shielding component. This not only avoids interference in the signal transmission of the first high-frequency signal wire group and the second high-frequency signal wire group in the wire group assembly, but also avoids the first high-frequency signal wire group and the second high-frequency signal wire group affecting each other when transmitting high-frequency signals, thereby improving the stability of frequency signal transmission and enabling high-frequency signals to be transmitted over long distances.
[0080] The above embodiments are merely illustrative of the principles and effects of the present application and are not intended to limit the present application. Any person skilled in the art may modify and change the above embodiments without violating the spirit and scope of the present application. Therefore, the scope of protection of the present application shall be as set forth in the claims of the present application.
Claims
1. A wire-to-board signal transmission mechanism, the wire-to-board signal transmission mechanism comprising: A wire group assembly, the wire group assembly comprising a first high-frequency signal wire group, a second high-frequency signal wire group, and a low-frequency signal wire group disposed between the first high-frequency signal wire group and the second high-frequency signal wire group, wherein the first high-frequency signal wire group and the second high-frequency signal wire group transmit high-frequency signals respectively, and the low-frequency signal wire group transmits low-frequency signals, and wherein the first high-frequency signal wire group and the second high-frequency signal wire group each have a shielded conductor; A line end connector, the line end connector is electrically connected to the line group assembly, is used to receive the high frequency signal and the low frequency signal transmitted by the line group assembly, and has a first metal shell and a second metal shell; and A shielding assembly comprising: a first shielding member, wherein the first shielding member provides shielding conductors of the first high-frequency signal line group and the second high-frequency signal line group to electrically connect the first metal shell and the second metal shell of the line end connector respectively, so that the first metal shell and the second metal shell form a first shielding structure surrounding the line group assembly, and the first shielding structure prevents the transmission of high-frequency signals of the first high-frequency signal line group and the second high-frequency signal line group from being interfered; and A second shielding member is disposed between the first high-frequency signal line group and the second high-frequency signal line group to prevent the transmission of high-frequency signals of the first high-frequency signal line group and the second high-frequency signal line group from interfering with each other.
2. The wire-to-board signal transmission mechanism according to claim 1, wherein: The second shielding member is formed of a high-frequency shielding material that covers at least a portion of the low-frequency signal line group.
3. The wire-to-board signal transmission mechanism according to claim 1, wherein: The line group assembly further includes a shielding signal line group and a power supply signal line group, wherein the shielding signal line group transmits a shielding signal, and the power supply signal line group transmits a power supply signal.
4. The wire-to-board signal transmission mechanism according to claim 1, wherein: The first high-frequency signal line group and the second high-frequency signal line group are each a line group consisting of at least one coaxial line, and the low-frequency signal line group is a line group consisting of at least one electronic line.
5. The wire-to-board signal transmission mechanism according to claim 1, wherein: The line group assembly further includes a first sub-line group disposed adjacent to the first metal shell and a second sub-line group disposed adjacent to the second metal shell, the first sub-line group and the second sub-line group each including the first high-frequency signal line group, the second high-frequency signal line group, and the low-frequency signal line group, and wherein the shielding component further includes: an intermediate shielding member, the intermediate shielding member being located between the first sub-wire group and the second sub-wire group; The first shielding member further includes providing shielding conductors of the first high-frequency signal line group and the second high-frequency signal line group in the first sub-line group to electrically connect the first metal shell and the intermediate shielding member of the line end connector respectively, so as to form a first shielding substructure surrounding the first sub-line group; and The first shielding member also includes providing shielding conductors of the first high-frequency signal line group and the second high-frequency signal line group in the second sub-line group to electrically connect the second metal shell and the intermediate shielding member of the line end connector respectively to form a second shielding substructure surrounding the second sub-line group; wherein, The intermediate shielding member prevents the transmission of high-frequency signals of the first sub-wire group and the second sub-wire group from interfering with each other.
6. The wire-to-board signal transmission mechanism according to claim 5, wherein: The first shielding structure includes the first shielding substructure and the second shielding substructure.
7. The wire-to-board signal transmission mechanism according to claim 5, wherein: The first sub-wire group and the second sub-wire group are stacked one above the other.
8. The wire-to-board signal transmission mechanism according to claim 5, wherein: The intermediate shield is a metal plate extending from the body of the wire end connector and sandwiched between the first sub-wire group and the second sub-wire group.
9. The wire-to-board signal transmission mechanism according to claim 4, wherein: The coaxial line has a coaxial line connection end portion, the coaxial line connection end portion exposes the coaxial line center conductor of the coaxial line to electrically connect to the line end connector, and the line end connector also includes an isolation component, which electrically isolates the exposed portion of the coaxial line center conductor from the first metal shell or the second metal shell.
10. The wire-to-board signal transmission mechanism according to claim 4, wherein: The electronic wire has an electronic wire connection end, and the electronic wire connection end exposes the electronic wire center conductor of the electronic wire to electrically connect to the wire end connector. The wire end connector also includes an isolation component, and the isolation component electrically isolates the exposed part of the electronic wire center conductor from the first metal shell or the second metal shell.
Citation Information
Patent Citations
Wire-to-board signal transmission mechanism
CN211929734U