CN215989311U - Cable connector and circuit board - Google Patents
Cable connector and circuit board Download PDFInfo
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- CN215989311U CN215989311U CN202120722416.XU CN202120722416U CN215989311U CN 215989311 U CN215989311 U CN 215989311U CN 202120722416 U CN202120722416 U CN 202120722416U CN 215989311 U CN215989311 U CN 215989311U
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- signal transmission
- circuit board
- cable connector
- transmission terminal
- cable
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Abstract
The utility model relates to the technical field of communication, in particular to a cable connector and a circuit board. The cable connector includes: the cable connector comprises a plurality of mounting frameworks which are arranged in parallel, wherein the mounting frameworks are in a sheet shape, one side of each mounting framework is provided with a plurality of first plug-in structures, and the plurality of first plug-in structures are used for being plugged into a circuit board so that the cable connector is fixed on the circuit board; the signal transmission terminal is fixed on the mounting framework, and the head end of the signal transmission terminal is used for connecting other connectors; and a first cable having one end connected to a tail end of a first signal transmission terminal of the at least one signal transmission terminal and the other end for connecting to a target element. The cable connector can be plugged on a circuit board through a plurality of first plugging structures at the bottom of the mounting framework of the cable connector, so that the cable connector is accurately positioned on the circuit board.
Description
Technical Field
The utility model relates to the technical field of communication, in particular to a cable connector and a circuit board.
Background
Signal integrity is reduced by losses that occur in Printed Circuit Board (PCB) traces, vias, and the like. These losses have less impact on data transmission when the transmission rate is lower. With the development of communication technology, the communication capacity of communication equipment is continuously increased, and the transmission rate of a single link is upgraded from 56G to 112G. Under the scene of high-speed data transmission, the integrity of data transmission is seriously influenced by the loss of circuit board routing, via holes and the like. Therefore, increasing communication rates place higher demands on the passive loss of the link.
Among them, for a circuit board, a low-loss cable (cable) module or a cable connector gradually becomes a mainstream device for board-level connection. Under the limited layout space, how to precisely install the cable module on the single board is a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The application provides a cable connector and a circuit board, wherein the cable connector can be plugged onto the circuit board through a plugging structure, so that the cable connector can be accurately fixed onto the circuit board.
In a first aspect, an embodiment of the present application provides a cable connector, including: the cable connector comprises a plurality of mounting frameworks which are arranged in parallel, wherein the mounting frameworks are in a sheet shape, one side of each mounting framework is provided with a plurality of first plug-in structures which are used for being plugged into a circuit board, and the cable connector is fixed on the circuit board; the signal transmission terminal is fixed on the mounting framework, and the head end of the signal transmission terminal is used for connecting other connectors; and a first cable having one end connected to a tail end of a first signal transmission terminal of the at least one signal transmission terminal and the other end for connecting to a target element.
In the utility model, the mounting framework of the cable connector is provided with a plurality of first plugging structures, so that the cable connector can be plugged on the circuit board through the plurality of first plugging structures, and the accurate positioning of the cable connector on the circuit board is realized.
In one possible implementation, the first plugging structure is a fisheye joint.
That is, in this implementation, the cable connector can be plugged onto the circuit board by a plurality of fisheye connectors, achieving accurate positioning of the cable connector on the circuit board and having stable retention force.
In one possible implementation, the at least one signal transmission terminal is fixed to the mounting frame by a plastic frame.
That is, in this implementation, the signal transmission terminal and the mounting frame may be assembled together by the plastic frame, so that the signal transmission terminal may be fixed to the circuit board by the mounting frame.
In one possible implementation manner, the at least one signal transmission terminal further includes a second signal transmission terminal different from the first signal transmission terminal, and a tail end of the second signal transmission terminal is electrically connected to the circuit board.
That is, in this implementation, the cable connector may also be directly electrically connected to the circuit board, so that low-speed signal transmission may be performed through the traces of the circuit board.
In a possible implementation manner, the tail end of the second signal transmission terminal is a second insertion structure, and the second insertion structure is used for being inserted onto the circuit board, so that the second signal transmission terminal is electrically connected with the circuit board.
That is, in this implementation, the tail end of the second signal transmission terminal can also function as a fixing cable connector while having a signal transmission function.
In one possible implementation, the second plug-in structure is a fish eye joint.
In one possible implementation, the other connector has a second cable, and the head end of the signal transmission terminal is used for electrically connecting the second cable so that the cable connector can forward signals from the other connector.
That is to say, in this implementation, the cable connector provided in the embodiments of the present application can connect a cable, so that other connectors can be connected, and the cable connector has high adaptability.
In a possible implementation manner, the head end of the signal transmission terminal is clamped in a first shell, and the first shell is provided with a first through hole; wherein, the second cable is used for connecting the head end of the signal transmission terminal through the first through hole.
That is, in this implementation, the head end of the signal transmission terminal may be protected by the housing, so that the service life of the cable connector may be extended.
In one possible approach, the circuit board is a printed circuit board, PCB; and/or the target component is a chip or connector mounted on the circuit board.
That is, in this implementation, the cable connector may be applied to a PCB, or a chip or other connector may be connected by a cable, with high practicality.
In a second aspect, an embodiment of the present application provides a circuit board, including the cable connector according to the first aspect or any implementation manner of the first aspect.
The cable connector provided by the embodiment of the application can be directly fixed or mounted on the circuit board through the plugging structure at the bottom, so that the cable connector can be positioned on the circuit board with high precision.
Drawings
Fig. 1 is a schematic structural diagram of a cable connector according to an embodiment of the present application;
FIG. 2 is an exploded view of the cable connector shown in FIG. 1;
FIG. 3 is a schematic view of the construction of the blade-cable unit in the cable connector shown in FIG. 1;
fig. 4 is a schematic view of the structure of the blade-cable unit in the cable connector shown in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments.
In the description of the present application, the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application.
In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, a fixed connection, a detachable connection, an interference connection, or an integral connection; the specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples throughout this disclosure.
A connector: generally referred to as an electrical connector, i.e., a device for connecting two active devices. After the connector connects the two active devices, the connector may transmit current or signals between the two active devices.
The cable connector, which may also be referred to as a cable module, may transmit signals to a target component through a high-speed cable, so as to implement high-speed communication between the cable connector and the target component, thereby avoiding loss caused by circuit board routing, via holes, and the like.
In one version, the cable connector attaches the solid to the structural mount by a screw structure or the like. The mode of fixing the cable connector has the problems of large deviation, low precision, easy movement and the like. Moreover, the fixing mode is difficult to be applied to the single board with small space and high positioning precision requirement. In particular, with increasing Serdes (SERializer/DESerializer) rates and board densities, this approach is difficult to adapt to current demands.
The single board includes a Printed Circuit Board (PCB) and electronic devices (e.g., chips, resistors, capacitors, etc.) disposed on the PCB.
The embodiment of the application provides a cable connector, which is provided with a plugging structure, and the cable connector can be directly plugged on a circuit board through the plugging structure to realize the accurate positioning of the cable connector on the circuit board. In some embodiments, the mating structure may be a fish eye connector or mounting fish eye. The bottom of the cable connector has a plurality of fish-eye tabs that can be plugged onto the circuit board and remain finely positioned with respect to the circuit board and provide a retention force that prevents the cable connector from coming loose from the circuit board. The circuit board may be a PCB board or a single board. The bottom of the cable connector refers to the side or face that faces the circuit board when the cable connector is secured to the circuit board. It will be appreciated that in this embodiment, the circuit board is also provided with a structure that fits the fisheye connector so that the fisheye connector can be plugged onto the circuit board through the structure. Reference may be made in particular to the description of the structure of the adaptive fisheye joint in the prior art, which is not described in detail herein.
Next, referring to the drawings, in different embodiments, a cable connector provided in an embodiment of the present application will be described. Hereinafter, for convenience of description, the cable connector provided in the embodiments of the present application may be referred to as a cable connector a.
Referring to fig. 1 and 2, the cable connector a may include a main body 100, a plurality of cables 200, and a housing 300. Among them, the main body 100 may be composed of a plurality of wafer-cable units 110. Specifically, the plurality of sheet-cable units 110 are stacked in sequence, or arranged in parallel, to constitute the main body 100.
Referring to fig. 3 and 4, for one sheet-cable unit 110, it may include a mounting backbone 111. The mounting frame 111 is sheet-shaped. The plurality of sheet-cable units 110 are sequentially stacked or arranged in parallel, and specifically, the plurality of installation frames 111 are sequentially stacked or arranged in parallel. Wherein the plurality of sheet-cable units 110 and the plurality of mounting backbones 111 correspond one to one. In other words, the main body 110 includes a plurality of mounting frames 111, and the plurality of mounting frames 111 are sequentially stacked or arranged in parallel to constitute a structural frame of the main body 110.
For a mounting backbone 111, the bottom side has a plurality of docking structures 1111. The docking structure 1111 may be docked to a circuit board such that the mounting backbone 111 may be secured to the circuit board. Here, the bottom side of the mounting skeleton 111 refers to a side of the mounting skeleton 111 facing the circuit board when the mounting skeleton 111 is fixed to the circuit board. The plug structures 1111 of the plurality of mounting frames 111 are plugged to the circuit board, thereby making the main body 100 solid to the circuit board, and thus making the cable connector a fixed to the circuit board.
In some embodiments, as shown in fig. 3 and 4, the docking structure 1111 is embodied as a fisheye connector. The fisheye connector may also be referred to as a mounting fisheye or fisheye structure, which may be plugged onto a circuit board. The circuit board has a jack adapted to the fisheye connector, and the fisheye connector can be inserted into the jack, so that the mounting frame 111 can be fixed to the circuit board.
For a chip-cable unit 110, it may include at least one signal transmission terminal. The at least one signal transmission terminal is fixed to the mounting frame 111. The signal transmission terminals, which may also be referred to as signal traces, may be used to transmit high speed signals (e.g., 112G) as well as low speed signals (e.g., 56G).
In some embodiments, as shown in fig. 3 and 4, the at least one signal transmission terminal may be assembled together by the frame 113 and the mounting skeleton 111 to form a wafer (wafer) assembly. In other words, the at least one signal transmission terminal may be fixed to the mounting skeleton 111 through the frame 113. The sheet assembly, together with the corresponding cable 200, forms a sheet-cable unit 110. Whereby the at least one signal transmission terminal can also be positioned on the circuit board when the mounting skeleton 113 is fixed to the circuit board.
In one illustrative example, the frame 113 may be a plastic frame.
For one of the at least one signal transmission terminals, its head end or front end may be used for connecting another connector, for example connector B. So that the signal transmission terminal can receive the signal transmitted by the connector B and forward the signal.
In some embodiments, the connector B has a cable, and signal transmission can be performed through the cable. The head end or front end of the signal transmission terminal may be connected to the cable of the connector B, so that a signal transmitted by the connector B through the cable thereof may be received.
In one illustrative example, the head end of the signal transmission terminal may be a spring plate structure. The cable of the connector B may be inserted into the spring structure, thereby allowing the cable of the connector B to be connected to the leading end of the signal transmission terminal. Through the elastic sheet structure of the signal transmission terminal, the cable of the connector B can be plugged onto the cable connector A and can also be pulled down from the cable connector A, so that the free plugging between the cable connector A and the connector B is realized.
In one illustrative example, returning to fig. 1 and 2, the head end of the signal transmission terminal may be snapped into the housing 300. The housing 300 may be used to protect the head end of the signal transmission terminal. Wherein the case 300 may have a through hole. The cable of the connector B can be connected to the head end of the signal transmission terminal through the through hole.
In some embodiments, returning to fig. 3, the at least one signal transmission terminal may include a signal transmission terminal 112. The tail end of the signal transmission terminal 112 may be connected to one end of the cable 200, and the other end of the cable 200 is used for connecting a target element. Thereby, the cable connector a can transmit a signal to the target element through the cable 200.
The target element may be a chip or other connectors. In one example, the target component may be located on the same circuit board as the cable connector a. In another example, the circuit board on which the target component is located and the circuit board on which the cable connector a is located may be different.
In some embodiments, with continued reference to fig. 3, for one wafer-cable unit 110, it may include a plurality of signal transmission terminals 112. The plurality of signal transmission terminals 112 may be arranged in parallel and fixed to the mounting frame 111 to form a wafer (wafer) assembly. The foil assembly, together with the cable 200 for that, forms the foil-cable unit 110. The plurality of signal transmission terminals 112 may be fixed to the mounting skeleton 111 by a frame 113 to form the sheet-cable unit 110.
In one illustrative example, as shown in fig. 3, the plurality of signal transmission terminals 112 may be fixed to the mounting skeleton 113 by a frame 113. So that the plurality of signal transmission terminals 112 can be positioned on the circuit board when the mounting frame 113 is fixed to the circuit board.
In some embodiments, referring to fig. 4, for one sheet-cable unit 110, it may include both one or more signal transmission terminals 114, and at least one signal transmission terminal 112. The one or more signal transmission terminals 114 and the at least one signal transmission terminal 112 may be secured to the mounting backbone 111 to form a wafer assembly. The sheet assembly, together with the corresponding cable 200, forms a sheet-cable unit 110. Illustratively, as shown in fig. 4, the one or more signal transmission terminals 114 and the at least one signal transmission terminal 112 may be fixed to the mounting skeleton 111 by a frame 113 to form the sheet-cable unit 110.
The head ends of the signal transmission terminal 114 and the signal transmission terminal 112 may be the same, and reference may be specifically made to the above description, which is not described herein again. Unlike the signal transmission terminal 112, the tail end of the signal transmission terminal 114 is a plug structure 1141. The plug structure 1141 can be plugged onto a circuit board and electrically connected to the circuit board, so that the cable connector a can perform signal transmission through the circuit board traces.
Referring to fig. 4, the signal transmission terminal 112 may perform high-speed signal transmission, and the signal transmission terminal 114 may perform low-speed signal transmission.
Illustratively, referring to FIG. 4, a plug structure 1141 is located on the bottom side of the mounting backbone 111 and can be plugged onto a circuit board, along with a plug structure 1111 that secures the patch-cable unit 110 to the circuit board. That is, the plug structure 1141 may play a role of fixing the sheet-cable unit 110 while having a function of electrically connecting the circuit boards. In one example, the plug structure 1141 may be a fish eye connector.
Illustratively, the signal transmission terminals 114 are closer to the circuit board than the signal transmission terminals 112 when the sheet-cable unit 110 is fixed to the circuit board.
In some embodiments, for one sheet-cable unit 110, it may transmit at least one signal terminal 114. The at least one signal transmission terminal 114 may be fixed to the mounting skeleton 111 to form a wafer (wafer) assembly. The sheet assembly, together with the corresponding cable 200, forms a sheet-cable unit 110. Illustratively, as shown in fig. 4, the at least one signal transmission terminal 114 may be fixed to the mounting frame 111 by a frame 113.
In summary, the cable connector provided in the embodiments of the present invention can be directly fixed or mounted on the circuit board through the plugging structure at the bottom thereof, so that the cable connector can be positioned on the circuit board with high precision, and a retention force is provided for fixing the cable connector on the circuit board. And the cable connector can be matched with other connectors, so that the cable connector has high applicability. In addition, the cable connector can provide high-speed signal transmission, low-speed signal transmission, and high-speed signal transmission and low-speed signal transmission simultaneously, and has a wide application range.
Finally, the description is as follows: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A cable connector, comprising:
the cable connector comprises a plurality of mounting frameworks which are arranged in parallel, wherein the mounting frameworks are sheet-shaped, one side of each mounting framework is provided with a plurality of first plug-in structures, and the plurality of first plug-in structures are used for being plugged into a circuit board so that the cable connector is fixed on the circuit board;
the signal transmission terminal is fixed on the mounting framework, and the head end of the signal transmission terminal is used for connecting other connectors;
and a first cable having one end connected to a tail end of a first signal transmission terminal of the at least one signal transmission terminal and the other end for connecting a target element.
2. The cable connector of claim 1, wherein the first mating structure is a fish-eye joint.
3. The cable connector according to claim 1 or 2, wherein the at least one signal transmission terminal is fixed to the mounting frame by a plastic frame.
4. The cable connector according to claim 1 or 2, wherein the at least one signal transmission terminal further comprises a second signal transmission terminal different from the first signal transmission terminal, and a tail end of the second signal transmission terminal is electrically connected to the circuit board.
5. The cable connector of claim 4, wherein the tail end of the second signal transmission terminal is a second plug structure, and the second plug structure is used for plugging to the circuit board, so that the second signal transmission terminal is electrically connected to the circuit board.
6. The cable connector of claim 5, wherein the second mating structure is a fish-eye joint.
7. The cable connector according to claim 1 or 2, wherein said other connector has a second cable, and the head end of said signal transmission terminal is used for electrically connecting said second cable so that said cable connector can forward the signal from said other connector.
8. The cable connector according to claim 7, wherein the head end of the signal transmission terminal is clamped in a first housing, the first housing having a first through hole; wherein the second cable is used for electrically connecting the head end of the signal transmission terminal through the first through hole.
9. The cable connector according to claim 1 or 2, wherein said circuit board is a printed circuit board, PCB; and/or the target component is a chip or a connector fixed on the circuit board.
10. A circuit board comprising the cable connector of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120722416.XU CN215989311U (en) | 2021-04-08 | 2021-04-08 | Cable connector and circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120722416.XU CN215989311U (en) | 2021-04-08 | 2021-04-08 | Cable connector and circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215989311U true CN215989311U (en) | 2022-03-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120722416.XU Active CN215989311U (en) | 2021-04-08 | 2021-04-08 | Cable connector and circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215989311U (en) |
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2021
- 2021-04-08 CN CN202120722416.XU patent/CN215989311U/en active Active
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