The present disclosure relates to a press-fit termination for a cable or wire, and particularly to press-fit termination for a cable or wire that is useable with a printed circuit board (PCB).
In high speed interconnects, a twin-ax cable or wire is used instead of a trace in a PCB. In related art cable or wire interconnects, a cable is terminated to one piece of a two piece pluggable connector, with the other half of the connector mounted on the PCB. The overall height of the pluggable connector is too high for many applications and system. In addition, if the interconnect design does not need to be pluggable, extra material is being used and extra costs are being incurred. In related art interconnects, the interconnects lack the mechanical reliability and lack a desired interconnect density.
In some aspects, the techniques described herein relate to an apparatus including: a cable or wire termination connection assembly, comprising: a base including a body defining a groove therein; a signal contact member that is engageable with the base, at least a portion of the signal contact member being insertable into the groove of the body of the base, the signal contact member including pins extending therefrom; and a cover that is engageable with the signal contact member, wherein the cover can be pressed by a user to cause the pins to extend through the base and engage a PCB.
In some aspects, the techniques described herein relate to an apparatus including: a cable or wire termination connection assembly, comprising: a base including a body, the body defining a first groove and a second groove; a first signal contact member engageable with the base, the first signal contact member being insertable into the first groove of the body of the base, the first signal contact member including pins extending therefrom; a second signal contact member engageable with the base, the second signal contact member being insertable into the second groove of the body of the base, the second signal contact member including pins extending therefrom; and a cover having a first engaging surface and a second engaging surface spaced apart from the first engaging surface, each of the first engaging surface and the second engaging surface being engageable with the first signal contact member and the second signal contact member, wherein the cover can be pressed by a user to move the first signal contact member and the second signal contact member into engagement with the base.
In some aspects, the techniques described herein relate to an apparatus including: a cable or wire termination connection assembly, comprising: a base including a body defining a plurality of grooves; a plurality of signal contact members engageable with the base, each signal contact member being insertable into one of the grooves of the body of the base, each signal contact member including pins extending therefrom; an elongate member engageable with the base, the elongate member being insertable into of the grooves of the body of the base, the elongate member includes a plurality of ground shield members coupled thereto; and a cover having a plurality of engaging surfaces, each of the engaging surfaces being engageable with the signal contact members and with the elongate member, wherein a force applied by a user to the cover moves the signal contact members and the elongate member toward the base so that the pins engage a PCB.
A cable or wire interconnect or termination connection assembly that has a low profile and provides sufficient points of connection for a quantity of cables or wires would have great benefits.
Example embodiments are provided for cable or wire interconnects or termination connection assemblies. The example embodiments provide a low profile and an efficient use of space for the termination connection assembly. In addition, the example embodiment of the termination connection assembly provides a modular assembly that facilitates repair and replacement of portions thereof, without requiring the replacement of all of the components. The termination connection assembly includes several signal connect members that are press-fit into grooves in a base, which provides a secure mounting to enable the press-fit pins to engage with a PCB.
In a first example embodiment of a cable termination connection assembly according to the techniques disclosed herein, the cable termination connection assembly provides a high density, high speed twin-ax wire or cable press-fit termination. In one example embodiment, the cable termination connection assembly can be installed on a bottom side of a PCB, and in particular, on a bottom side of a PCB underneath an application-specific integrated circuit (ASIC).
In another example embodiment according to the disclosed techniques, the cable termination connection assembly may terminate a large quantity of cable interconnects with high signal integrity performance and mechanical reliability at a low cost. In another example embodiment according to the disclosed techniques, the cable termination connection assembly is modular, thereby allowing the quantity of cables to be adjusted.
In yet another example embodiment according to the disclosed techniques, the cable termination connection assembly may include one or more signal contact rows or member. The signal contact row or member may include one or more press-fit pins and one or more wire or cable terminations. In addition, the cable termination connection assembly may include a base that is configured to hold multiple rows of signal contact members. In addition, the cable termination connection assembly may include an elongate member that has two sets of opposing ground shield members coupled thereto that provide isolation of transmit and receive pairs of cable terminations. Also, the cable termination connection assembly may include a top or cover that provide protection for the twin-ax pairs and wire terminations. In one disclosed technique, a press-fit tool can be used to press onto the top or cover.
Turning to
In this example embodiment, the cable termination connection assembly 50 includes several components that are connectable together as described in detail below. The connectability and removability of the components enables the termination connection assembly 50 to be modular in nature, which allows for the replacement of a particular component to be made without requiring the rest of the components to be discarded. As a result, repair and replacement of particular components of the termination connection assembly is easy and economical, and utilizes material and components efficiently.
It is to be understood that the shape and size of the termination connection assembly 50 is exemplary only, and that in different embodiments, its shape and size can vary. In addition, termination connection assembly 50 being illustrated with 32 cable termination connections, which are described in detail below, is only exemplary, and in different embodiments, the quantity and location of cable termination connections can vary.
In this embodiment, termination connection assembly 50 includes a base 100, multiple signal contact members 200, 270, 280, and 290, an elongate member or elongate shield member 300, and a top or cover 400. The features of termination connector assembly 50 are illustrated and discussed in detail below. It is to be understood that each of the signal contact members 270, 280, and 290 has similar features to those of signal contact member 200. Accordingly, the description of signal contact member 200 applies to each of the signal contact members 270, 280, and 290 as well.
Referring to
Each of the signal contact members 200, 270, 280, and 290 includes pins 230, such as press-fit pins, extending downwardly therefrom. Similarly, the elongate member 300 includes pins 340, such as press-fit pins, extending downwardly therefrom. The pins 230 and 340 are configured to engage with a PCB.
The cable termination connection assembly 50 can have several cables connected thereto. In
The row of cables 500A and the row of cables 500B extend away from the termination connection assembly 50 along the direction of arrow “A.” The row of cables 502A and the row of cables 502B extend away from the termination connection assembly 50 along the direction of arrow “B,” which is oriented opposite to the direction of arrow “A.” By directing the cables 500A, 500B, 502A, and 502B in opposite directions, the height of the termination connection assembly 50 can be kept low, thereby allowing the termination connection assembly 50 to be used in smaller dimension applications. In addition, the stacking-like arrangement of the cables also enables the reduction in the overall height of the termination connection assembly 50.
Turning to
The cover 400 of the cable termination connection assembly 50 includes opposite side portions 420 that are mirror images of each other. Referring to the side portion 420 fully shown in
The base 100 includes a body 110 that has several surfaces or sides, which are described in detail below. In
Referring to
Turning to
The base 100 of the termination connection assembly 50 is also shown. The base 100 has a body 110 an upper surface 112 and an opposite lower surface 114. The body 110 also includes opposite outer sides or side surfaces, only side surface 118 is illustrated in
The grooves, only groove 140 is labeled in
In this embodiment, the termination connection assembly 50 includes four signal contact members 200, 270, 280, and 290. Signal contact member 200 has the row of cables 500B connected thereto, signal contact member 270 has the row of cables 500A connected thereto, signal contact member 280 has the row of cables 502B connected thereto, and signal contact member 290 has the row of cables 502A connected thereto. The downwardly directed pins of each of the signal contact members 200, 270, 280, and 290 are oriented toward the base 100.
In
Referring to
Some of the features of the elongate member 300 are also illustrated in
Turning to
The cover 400 includes main body 410 with an upper surface 412 and an opposite lower surface 414, and a pair of opposite sides 416 and 418. Each of the side portions 420 with extending portions 422 and 428, discussed in detail above, is located on one of the opposite sides 416 and 418 of the cover main body 410.
Turning to
Referring to
When the signal contact member 200 is inserted into groove 148 of the base 100, the widened portion 224 engages a notch or groove in the outer rail 132 and the widened portion 226 engages the upper edge of the proximate inner rail 134. In addition, protruding portion 216 extends between the shoulder 136 of inner rail 134 and the outer edge of outer rail 132. Similarly, protruding portion 218 extends between the shoulder 136 at the opposite end of the inner rail 134 and the opposite outer edge of outer rail 132.
Formed in the body 210 are two rows of slots 228. The lower ends of the ground shield members 240 are inserted in one row of the slots 228. The signal contact member 200 has a single row of the ground shield members 240. In the other row of the slots 228 are the upper ends 232 and 234 of the different press-fit pins 230.
Turning to
Referring to
The outer side surface 118 of the base 100 is shown in
Turning to
On the other side of the termination connection assembly 50 is signal contact member 280, which includes a row of ground shield members 282 coupled thereto. The ground shield members 282 are located beneath or below the row of termination cables 502B. Similarly, signal contact member 290 includes a row of ground shield members 292 coupled thereto. The ground shield members 292 are located between the row of terminations of cables 502A and the row of terminations of cables 502B.
In addition, the elongate member 300 is centrally located along the body 110. The two opposing ground shield members 330 and 332 coupled to the elongate member 300 are proximate to the terminations of cable 502A and to the terminations of cable 500A, respectively. As shown in
In summary, the advantages of the disclosed cable termination connection assemblies according to the disclosed techniques include: the ability to press on top of a cable termination area for installation; a reduction in the overall size and height of the termination connection assembly; and increase in the quantity of differential pairs that can be plugged into a PCB. Other additional advantages include: ground shield row tabs and U-shaped channels that collectively surround the cable termination area; U-shaped channel bars that eliminate crosstalk resonance by connecting a ground across the signal rows; enabling twin-ax wires to exit the cable termination connection assembly in two opposite directions; facilitating repair and re-use of materials and components due to the modular nature of the assembly.
Accordingly, in some aspects, the techniques described herein relate to an apparatus including: a wire or cable termination connection assembly, comprising: a base including a body defining a groove therein; a signal contact member that is engageable with the base, at least a portion of the signal contact member being insertable into the groove of the body of the base, the signal contact member including pins extending therefrom; and a cover that is engageable with the signal contact member, wherein the cover can be pressed by a user to cause the pins to extend through the base and engage a PCB.
In some aspects, the techniques described herein relate to an apparatus, wherein the pins of the signal contact member are press-fit pins, and the signal contact member includes cable terminations with a ground shield member extending proximate to the cable terminations.
In some aspects, the techniques described herein relate to an apparatus, wherein the cover has at least one engaging surface, the at least one engaging surface engaging the signal contact member so that a force applied to the cover press-fits the pins into the PCB without damaging any cables or cable terminations.
In some aspects, the techniques described herein relate to an apparatus, wherein the cover includes several U-shaped channel bars, and each of the U-shaped channel bars including one of the at least one engaging surface of the cover.
In some aspects, the techniques described herein relate to an apparatus, wherein the signal contact member is a first signal contact member, and the PCB connector assembly further comprises: a second signal contact member, wherein the U-shaped channel bars eliminate crosstalk resonance by connecting a ground across the first signal contact member and the second signal contact member.
In some aspects, the techniques described herein relate to an apparatus, wherein the U-shaped channel bars engage the first signal contact member and the second signal contact member so that a downward force is applied to the cover is in turn applied to the first signal contact member and the second signal contact member.
In some aspects, the techniques described herein relate to an apparatus, wherein wires or cables exit the first signal contact member and the second signal contact member in opposite directions.
In some aspects, the techniques described herein relate to an apparatus, further comprising: an elongate member that is coupleable to the base, wherein the elongate member includes a first set of ground shield members and a second set of ground shield members, and the first set of ground shield members oppose the second set of ground shield members.
In some aspects, the techniques described herein relate to an apparatus including: a cable termination connection assembly, comprising: a base including a body, the body defining a first groove and a second groove; a first signal contact member engageable with the base, the first signal contact member being insertable into the first groove of the body of the base, the first signal contact member including pins extending therefrom; a second signal contact member engageable with the base, the second signal contact member being insertable into the second groove of the body of the base, the second signal contact member including pins extending therefrom; and a cover having a first engaging surface and a second engaging surface spaced apart from the first engaging surface, each of the first engaging surface and the second engaging surface being engageable with the first signal contact member and the second signal contact member, wherein the cover can be pressed by a user to move the first signal contact member and the second signal contact member into engagement with the base.
In some aspects, the techniques described herein relate to an apparatus, wherein the body of the base includes openings formed therein, and each of the pins of the first signal contact member and the pins of the second signal contact member extends through one of the openings in the body of the base and engages a PCB.
In some aspects, the techniques described herein relate to an apparatus, wherein the pins of the first signal contact member and the pins of the second signal contact member are press-fit pins, and each of the first signal contact member and the second signal contact member includes cable terminations with a ground shield member extending proximate to its cable terminations.
In some aspects, the techniques described herein relate to an apparatus, wherein the cover includes a first U-shaped channel bar and a second U-shaped channel bar, the first U-shaped channel bar having the first engaging surface, and the second U-shaped channel bar having the second engaging surface.
In some aspects, the techniques described herein relate to an apparatus, wherein the first engaging surface and the second engaging surface eliminate crosstalk resonance by connecting a ground across the first signal contact member and the second signal contact member.
In some aspects, the techniques described herein relate to an apparatus, wherein the first signal contact member has a first set of wires or cables extending therefrom in a first direction, the second signal contact member has a second set of wires or cables extending therefrom in a second direction, and the second direction is opposite to the first direction.
In some aspects, the techniques described herein relate to an apparatus, wherein the body of the base defines a third groove, the PCB connector assembly further comprising: an elongate member that is coupleable to the base, the elongate member being insertable into the third groove of the body of the base, wherein the elongate member includes a first set of ground shield members and a second set of ground shield members, and the first set of ground shield members oppose the second set of ground shield members.
In some aspects, the techniques described herein relate to an apparatus, wherein the cover includes a first U-shaped channel bar having the first engaging surface, and a second U-shaped channel bar having the second engaging surface, and each of the first engaging surface and the second engaging surface engages the first signal contact member, the second signal contact member, and the elongate member.
In some aspects, the techniques described herein relate to an apparatus including: a cable termination connection assembly, comprising: a base including a body defining a plurality of grooves; a plurality of signal contact members engageable with the base, each signal contact member being insertable into one of the grooves of the body of the base, each signal contact member including pins extending therefrom; an elongate member engageable with the base, the elongate member being insertable into of the grooves of the body of the base, the elongate member includes a plurality of ground shield members coupled thereto; and a cover having a plurality of engaging surfaces, each of the engaging surfaces being engageable with the signal contact members and with the elongate member, wherein a force applied by a user to the cover moves the signal contact members and the elongate member toward the base so that the pins engage a PCB.
In some aspects, the techniques described herein relate to an apparatus, wherein the pins of each of the signal contact members are press-fit pins, and each of the signal contact members includes cable or wire terminations with a ground shield member extending proximate to its cable or wire terminations.
In some aspects, the techniques described herein relate to an apparatus, wherein the cover includes: a first elongate member including one of the plurality of engaging surfaces; and a second elongate member including another one of the plurality of engaging surfaces, wherein each of the first elongate member and the second elongate member engages the signal contact members and the elongate member.
In some aspects, the techniques described herein relate to an apparatus, wherein one of the plurality of signal contact members has a first set of wires or cables extending therefrom in a first direction, and another one of the plurality of signal contact members has a second set of cables or wires extending therefrom in a second direction, the second direction being opposite to the first direction.
Note that in this Specification, references to various features (e.g., elements, structures, nodes, modules, components, engines, logic, steps, operations, functions, characteristics, etc.) included in “one embodiment,” “example embodiment,” “an embodiment,” “another embodiment.” “certain embodiments,” “some embodiments,” “various embodiments,” “other embodiments,” “alternative embodiment,” and the like are intended to mean that any such features are included in one or more embodiments of the present disclosure, but may or may not necessarily be combined in the same embodiments.
It is also noted that the operations and steps described with reference to the preceding figures illustrate only some of the possible scenarios that may be executed by one or more entities discussed herein. Some of these operations may be deleted or removed where appropriate, or these steps may be modified or changed considerably without departing from the scope of the presented concepts. In addition, the timing and sequence of these operations may be altered considerably and still achieve the results taught in this disclosure. The preceding operational flows have been offered for purposes of example and discussion. Substantial flexibility is provided by the embodiments in that any suitable arrangements, chronologies, configurations, and timing mechanisms may be provided without departing from the teachings of the discussed concepts.
As used herein, unless expressly stated to the contrary, use of the phrase “at least one of,” “one or more of,” “and/or,” variations thereof, or the like are open-ended expressions that are both conjunctive and disjunctive in operation for any and all possible combination of the associated listed items. For example, each of the expressions “at least one of X, Y and Z.” “at least one of X, Y or Z.” “one or more of X, Y and Z.” “one or more of X, Y or Z” and “X. Y and/or Z” can mean any of the following: 1) X, but not Y and not Z; 2) Y, but not X and not Z; 3) Z, but not X and not Y; 4) X and Y, but not Z; 5) X and Z, but not Y; 6) Y and Z, but not X; or 7) X, Y, and Z.
Each example embodiment disclosed herein has been included to present one or more different features. However, all disclosed example embodiments are designed to work together as part of a single larger system or method. This disclosure explicitly envisions compound embodiments that combine multiple previously-discussed features in different example embodiments into a single system or method.
Additionally, unless expressly stated to the contrary, the terms “first,” “second,” “third,” etc., are intended to distinguish the particular nouns they modify (e.g., element, condition, node, module, activity, operation, etc.). Unless expressly stated to the contrary, the use of these terms is not intended to indicate any type of order, rank, importance, temporal sequence, or hierarchy of the modified noun. For example, “first X” and “second X” are intended to designate two “X” elements that are not necessarily limited by any order, rank, importance, temporal sequence, or hierarchy of the two elements. Further as referred to herein, “at least one of” and “one or more of” can be represented using the “(s)” nomenclature (e.g., one or more element(s)).
The above description is intended by way of example only. Although the techniques are illustrated and described herein as embodied in one or more specific examples, it is nevertheless not intended to be limited to the details shown, since various modifications and structural changes may be made within the scope and range of equivalents of the claims.