TW201911335A - Ribbon Cable Assembly - Google Patents

Abstract

The present invention relates to a ribbon cable assembly. The ribbon cable assembly includes a plurality of ribbon cables, the ribbon cable includes abreast and adjacent first and second wires. Each of the first wire and the second wire has a conductive core at the center position thereof and a coating layer enclosing the conductive core. The coating layer contains a first coating layer enclosing the conductive core and an external coating layer enclosing the first and second wires, between the external coating layer of the two adjacent ribbon cables are provided with avulsion bars, and the two adjacent ribbon cables can be separated.

Description

Flat cable combination

The present invention relates to a flat cable assembly, and more particularly to a tearable connection flat cable assembly.

In the 3C industry, the transmission cable can serve as a medium for electrical connection between two electronic devices and can stably perform the expected signal transmission operation. Therefore, more and more electronic devices are connected to the computer via transmission cables, and Communication and data transmission.

However, in the data transmission process of existing electronic hard disks and motherboards, the connection communication and data transmission between multiple electronic devices are mostly accomplished through a combination of multiple transmission cables. On the one hand, the connection method makes the transmission cable combination disarranged at the connection position of the electronic product, so that the heat dissipation process of the transmission cable combination cannot be smoothly realized; on the other hand, the existing transmission cable combination is standardized production by using a standardized structure. However, the standardized transmission cable combination not only has a poor convection effect, but also cannot be applied to non-standardized hardware, so that the transmission cable combination of standardized production is used in a small range and cannot be widely used.

In view of this, it is indeed necessary to further improve the cooperation of the traditional transmission cable group to solve the above problems.

An object of the present invention is to provide a flat cable assembly in which a tearable rib is provided between adjacent two flat cables, so that the flat cables in the flat cable assembly can be separated from each other to satisfy The convection effect of the flat cable combination simultaneously connects a plurality of different electronic devices and electronic interfaces.

To achieve the above object, the present invention provides a flat cable assembly comprising a plurality of flat cables, each of the foregoing flat cables comprising a first wire and a second wire arranged side by side and adjacent to each other, the first wire and the first wire The two wires respectively have a conductor at a central position and a cladding layer covering the periphery of the conductor, wherein the cladding layer includes a first cladding layer covering the periphery of the conductor and simultaneously covering the first conductor The outer layer of the second wire is coated with a tearable rib between the outer two outer cables, so that the two adjacent flat cables are separable.

As a further improvement of the present invention, the thickness of the tearable rib is smaller than the thickness of the flat cable, and the tearable rib is integrally formed with the outer cover.

As a further improvement of the present invention, the thickness of the aforementioned tearable rib is less than 0.5 times the thickness of the aforementioned flat cable.

According to a further improvement of the present invention, each of the flat cables includes at least one pair of the first wires and at least two of the second wires; the first wires are disposed between two adjacent second wires, the foregoing The two wires are disposed on the outer side of the first wire, and the first wire is a signal wire, and the second wire is a ground wire.

As a further improvement of the present invention, the cladding layer of the first wire further includes a second cladding layer covering the periphery of the first cladding layer.

As a further improvement of the present invention, the aforementioned flat cable assembly includes at least two flat cables, and two adjacent flat cables are disposed in parallel with each other.

As a further improvement of the present invention, among the two adjacent flat cables, there is a shortest distance S between the centers of the two second wires on both sides of the tearable rib, and the shortest distance S is between 0.8 and 1.2 mm. between.

As a further improvement of the present invention, the diameter of the conductor of the second wire is L, and the ratio of the shortest distance S to the diameter L is between 3.5 and 5.6.

As a further improvement of the present invention, the aforementioned flat cable assembly includes at least two flat cables arranged in the horizontal direction, and the tearable ribs between the adjacent two flat cables are tearable.

As a further improvement of the present invention, each of the aforementioned flat cables has the same structure and size.

Compared with the prior art, the flat cable assembly of the present invention provides a tearable connection between two adjacent flat cables by providing a tearable rib between the adjacent two flat cables, so that the foregoing The flat cable combination can connect multiple different electronic devices and electronic interfaces at the same time, which improves the applicability of the flat cable combination. At the same time, the tearable flat cable combination ensures that the flat cables are neatly arranged during connection. And has better convection effect and heat dissipation effect.

Referring to the first to third figures, the present invention provides a flat cable assembly 100 comprising a plurality of flat cables 1 arranged side by side, two adjacent flat cables 1 disposed adjacent to each other, and phase A tearable rib 2 is disposed between the two adjacent flat cables 1 so as to be tearably connected between the two adjacent flat cables 1 disposed adjacent thereto.

The flat cable 1 may be a four-core flat cable (as shown in the first figure) or a seven-core flat cable (as shown in the third figure). Of course, the number of core wires in the flat cable 1 may be Increasing or decreasing according to actual conditions, this is not limited.

The flat cable 1 includes a first wire 11 and a second wire 12 arranged side by side and adjacent to each other, and each of the flat cables 1 includes at least one pair of the first wire 11 and at least two of the foregoing second wires 12; The first wire 11 is disposed between two adjacent second wires 12, that is, the second wire 12 is disposed on the outer side of the first wire 11. The first wire 11 is a signal wire, and the two first wires 11 disposed in pairs form a differential signal pair for transmitting a high frequency signal; the second wire 12 is a ground wire, which can be used to suppress the differential signal to the side. Signal interference. In the present invention, the centers of the first wire 11 and the second wire 12 are arranged on the same straight line, so that the overall shape of the flat cable 1 is flat, and the cross-section of the flat cable 1 is on the left and right sides. The structure is symmetrical in the up and down direction.

The first wire 11 and the second wire 12 respectively have a conductor 13 at a central position and a cladding layer 14 covering the periphery of the conductor 13; wherein the coating 14 of the first wire 11 includes a cladding a first cladding layer 141 on the periphery of the conductor 13 and a second cladding layer 142 covering the periphery of the first cladding layer 141. In the present invention, the dielectric constant of the first cladding layer 141 is lower than the dielectric constant of the second cladding layer 142 to ensure that the conductor 13 has a better signal transmission environment, reducing the propagation delay of the signal, and reducing the signal. Crosstalk between them ensures high-speed and efficient transmission of signals and reduces signal attenuation.

The cladding layer 14 of the second wire 12 is only provided as an insulating layer 143 made of an insulating material to insulate the conductor 13 of the second wire 12 from the conductor 13 of the adjacent first wire 11.

It should be noted that, because the second wire 12 is disposed as a grounding wire, the diameter of the conductor 13 of the second wire 12 can be set to be different from the diameter of the conductor 13 of the first wire 11, that is, the second wire 12 The diameter of the conductor 13 can be adjusted according to the impedance matching of the differential signal pair (the first conductor 11 disposed in pairs), and may be larger or smaller than the diameter of the conductor 13 of the first conductor 11.

In the present invention, in the two flat cables 1 disposed adjacent to each other, the two second conductors 12 disposed adjacent to each other (i.e., the two second conductors 12 located on both sides of the tearable rib 2) are located at the center There is a shortest distance S, the shortest distance S is between 0.8 and 1.2 mm, and when the diameter of the conductor 13 of the second wire 12 is L, the ratio S/L of the shortest distance S to the diameter L is between Preferably, in the present invention, the shortest distance S = 1 mm and the S/L is between 4 and 5.

The aforementioned flat cable 1 further includes a cover layer 15 which is simultaneously coated on the outside of the aforementioned first wire 11 and the aforementioned second wire 12 to relatively position and protect it.

The tearable ribs 2 are disposed between the outer covering layers 15 of the two adjacent flat cables 1 and the tearable ribs 2 are tearable. The two tearable ribs 2 are disposed so as to be connected by the aforementioned tearable ribs 2 The flat cable 1 can be separated from each other. Specifically, in the present invention, the tearable ribs 2 can be separated by laser cutting, and the two adjacent flat cables 1 are all separated or partially separated.

In the present invention, the tearable rib 2 and the outer covering layer 15 are integrally formed by the same material, and the thickness of the tearable rib 2 is smaller than the thickness of the flat cable 1 to ensure that the tearable rib 2 is It is easy to break during the tearing process; of course, in other embodiments, the tearable rib 2 and the outer covering layer 15 may be made of different materials, and the tearable rib 2 and the outer covering layer 15 may also be used. The method for the preparation of the above-mentioned tearable ribs 2 and the processing method of the aforementioned tearable ribs 2 can be selected according to actual needs, and is not limited thereto; further, in the present invention, the aforementioned tearable ribs The thickness of 2 is less than 0.5 times the thickness of the aforementioned flat cable 1.

Please refer to the first to third figures, which are the first embodiment of the flat cable assembly 100 of the present invention. In the embodiment, the flat cable assembly 100 includes at least two flat cables 1 arranged in the horizontal direction, and the two flat cables 1 disposed adjacent to each other are disposed in parallel, and the two adjacent flat cables are adjacent to each other. The aforementioned tearable ribs 2 are provided between each of 1.

Of course, the flat cable assembly 100 of the present invention may further have the second embodiment. In this case, the flat cable assembly includes at least two flat cables 1 arranged in a vertical direction; specifically, in the present embodiment. In the foregoing flat cable assembly, the two flat cables 1 disposed adjacently are disposed in parallel in the vertical direction, and the tearable ribs 2 are disposed between the two adjacent flat cables 1 The tearing rib 2 can be torn.

Of course, the flat cable assembly 100 of the present invention may further have a third embodiment. In this case, the flat cable 1 in the flat cable assembly is arranged in a matrix; specifically, the flat cable in the embodiment. The cable assembly includes at least four of the aforementioned flat cables 1 and the flat cable 1 is arranged in a rectangular array; at the same time, the aforementioned tearable ribs 2 between the two adjacent flat cables 1 in the horizontal direction can be torn The tearable rib 2 between the two adjacent flat cables 1 in the vertical direction can be torn.

It should be noted that, in the flat cable assembly 100 of the first embodiment of the present invention, the center of the tearable rib 2 is in the same straight line as the center of the first wire 11 and the second wire 12 in the horizontal direction; In the flat cable assembly of the second embodiment of the present invention, the center of the tearable rib 2 is located on the same straight line in the vertical direction as the center of the two adjacent flat cables 1; In the flat cable assembly of the embodiment, the center of the tearable rib 2 is located on the same line as the center of the first wire 11 and the second wire 12 in the horizontal direction, and is disposed adjacent to the vertical direction. The center of the two flat cables 1 is on the same straight line. With this arrangement, it is possible to facilitate the standardized production of the aforementioned flat cable assembly 100 (including the three embodiments) while ensuring the connection strength between two adjacent flat cables 1 in the present invention. Of course, in other embodiments, the foregoing tearable ribs 2 may be disposed at other positions between the outer cladding layers 15 of the two adjacent flat cables 1 , and the specific position of the tearable ribs 2 may be determined according to Specifically, the selection needs to be made, and only the connection strength between the two adjacent flat cables 1 is required.

In addition, in the foregoing flat cable assembly 100 (including three embodiments), each of the foregoing flat cables 1 has the same structure and size, but the aforementioned first wires 11 and the first ones are provided in each of the aforementioned flat cables 1. The number of the two wires 12 can be selected according to actual needs, so that the flat cable 1 can be connected to a plurality of different connectors or electronic devices to ensure the applicable range of the flat cable assembly 100.

In summary, the flat cable assembly 100 of the present invention (including three embodiments) is provided with the aforementioned tearable ribs 2 between the flat cables 1 so that the flat cable 1 of the flat cable assembly 100 is The flat cable assembly 100 can be connected to a plurality of different electronic devices and electronic interfaces at the same time, thereby improving the applicability of the flat cable assembly 100. At the same time, the flat cable assembly 100 is set to The tearable connection method effectively prevents the flat cable 1 from being knotted and entangled when connecting different electronic devices and electronic interfaces, thereby facilitating the neat arrangement and heat dissipation of the flat cable 1 while making the aforementioned flat The cable combination 100 has better convection effect to ensure the stability of data transmission.

It is to be understood that the equivalents of the invention are intended to be included within the scope of the invention as claimed.

100‧‧‧flat cable combination

1‧‧‧flat cable

11‧‧‧First wire

12‧‧‧Second wire

13‧‧‧Conductor

14‧‧‧Cladding

141‧‧‧First cladding

142‧‧‧Second coating

143‧‧‧Insulation

15‧‧‧Overcoat

2‧‧‧Tearable

The first figure is a perspective view of a preferred embodiment of the flat cable assembly of the present invention. The second figure is a structural schematic diagram of another angle of the flat cable combination shown in the first figure. The third figure is a three-dimensional schematic diagram of the flat cable shown in the first figure.

Claims (10)

A flat cable assembly includes a plurality of flat cables, each of the foregoing flat cables includes a first wire and a second wire disposed side by side and adjacent to each other, and the first wire and the second wire respectively have a central position And a cladding layer covering the periphery of the conductor, wherein the cladding layer comprises a first cladding layer coated on a periphery of the conductor and a cladding layer coated on the outer side of the first conductor and the second conductor A tearable rib is disposed between the outer covering layers of the two adjacent flat cables to separate the two adjacent flat cables. The flat cable according to claim 1, wherein the thickness of the tearable rib is smaller than the thickness of the flat cable, and the tearable rib is integrally formed with the outer covering layer. The flat cable of claim 2, wherein the thickness of the tearable rib is less than 0.5 times the thickness of the flat cable. The flat cable of claim 1, wherein each of the flat cables includes at least one pair of the first wires and at least two of the second wires; the first wires are disposed adjacent to the two The second wire is disposed on the outer side of the first wire, and the first wire is a signal wire, and the second wire is a ground wire. The flat cable according to claim 1, wherein the coating layer of the first wire further comprises a second cladding layer covering the periphery of the first cladding layer. The flat cable of claim 1, wherein the flat cable assembly comprises at least two flat cables, and two adjacent flat cables are disposed in parallel with each other. The flat cable according to claim 6, wherein among the two adjacent flat cables, a shortest distance S exists between the centers of the two second wires on both sides of the tearable rib, the shortest The distance S is between 0.8 and 1.2 mm. The flat cable according to claim 7, wherein the conductor of the second wire has a diameter L, and the ratio of the shortest distance S to the diameter L is between 3.5 and 5.6. The flat cable according to claim 6, wherein the flat cable assembly comprises at least two flat cables arranged in a horizontal direction, and the tearable band between the two adjacent flat cables is tearable. . The flat cable of claim 1, wherein each of the aforementioned flat cables has the same structure and size.