JP3144001U - High frequency digital signal cable - Google Patents

Abstract

To provide a high frequency digital signal cable which can be easily connected to a connector and has improved signal transmission quality.
An insulating layer 12 is coated on the outer periphery of a plurality of core wires 11 arranged in parallel in a cable 1, and a shielding layer 13 for shielding electromagnetic interference is provided on the outer periphery of the plurality of insulating layers 12. The outer periphery of 13 is covered with a protective layer 14. A first contact group, a jumper line group, and a second group of front and back surfaces disposed on a conversion board that connects the high-frequency signal lines arranged in the flat of the cable 1 and the high-frequency connector plug in correspondence with the terminal groups of the connector plug. A contact group is arranged, the second contact group is extended through a conductive hole penetrating the board and connected to the jumper wire on the surface side, and the contact group and jumper wire group on the first surface side are connected to the lead contact group. Connect according to the cable core wire. Thereby, welding with a cable core wire and the contact on a board can be automated as single-sided welding.
[Selection] Figure 1

Description

The present invention provides a high-frequency digital signal cable, in particular, a plurality of parallel core wires are provided in the cable, and the flat high-frequency signal line of the cable and one side of the conversion board of the high-frequency connector plug The present invention relates to a high-frequency digital signal cable that can automate connection, can reduce the cost by enabling mass production, and can improve adaptability and signal transmission quality.

In recent years, the application areas of audio signals and video signals have become more and more advanced. For example, video discs, digital multi-function discs, high-definition digital TVs, videophones, and video conferencing equipment have permeated our lives. ing. Compared to the prior art, all of these new systems are characterized by the fact that audio and video data are processed in an all-digital manner, and according to requirements from various areas, the establishment of related standards, modification and In order to provide the user with higher quality, the transmission (uncompressed) speed of the digital signal is required to be further improved and speeded up.

Display port, DVI and HDMI are digital video signal interface standards that can enhance the quality of screens displayed on electronic devices through digitized signal transmission. Adapters, set-top boxes, DVD playback devices It can be connected to devices such as personal computers, video games, multi-amplifiers and digital audio devices, and is widely used because of its high transmission speed, long transmission distance and high quality.

Most of the cables used for display port, DVI and HDMI connectors have a circular or flat structure, and when welding the transmission line in the cable and the terminal of the connector plug, the cable is passed through the circuit board installed on the plug. Although connected, the definition of each terminal in the upper and lower two-stage arrangement of a general connector, the definition of each contact on the circuit board, and the definition of each connection pad of the transmission line, associate the transmission line with the circuit board When connecting, the end of the transmission line needs to be connected in advance according to the state of the pin associated with the contact. Therefore, it is necessary to connect each twisted transmission line in correspondence with the corresponding contact on the circuit board one by one, so that the subsequent welding work can be performed, so that the processing step is It became very complicated, assembly time was increased, assembly cost was increased, and processing could not be automated. Further, by alternately winding the transmission line, the signal transmission quality is also deteriorated.

Therefore, how to solve the above-mentioned drawbacks of the prior art was a research subject that those who are engaged in the art wanted to improve.

In light of the shortcomings of the prior art, the inventor of the present invention finally devised the high-frequency digital signal cable of the present invention as a result of many years of research and many improvements.
JP 2002-157056 A

A first object of the present invention is to provide a plurality of core wires arranged in parallel in a cable, each of the core wires is covered with an insulating layer, and the outer periphery of the plurality of insulating layers is a shielding layer for shielding electromagnetic interference. Is installed, the protective layer is covered on the outer periphery of the shielding layer, the flat high-frequency signal wire of the cable and the conversion board of the high-frequency connector plug are connected, and the core wire of the cable is associated with the lead contact group on one side of the conversion board Can be welded on one side using an automatic welding jig, which can automate the process, enable mass production, reduce costs, increase adaptability and signal transmission quality It is to provide a high-frequency digital signal cable that can be used.
A second object of the present invention is that a conversion board is joined between the upper and lower terminals of the plug. On the conversion board, a first surface having a first contact group and a lead contact group, and a second contact point are provided. The first contact group can be connected in association with the upper terminal, and the second contact group can be connected in association with the lower terminal. The first contact group penetrates the conversion board to form a jumper wire, is in electrical contact with the second contact group on the second surface, and the lead contact group connected to the first contact has a cable. Core wire pins are matched and welded, and with the above structure, the definition of the core wire pins can be matched with the definition of the upper and lower terminal pins in the plug, and the manufacturing is modularized, greatly reducing costs High-frequency digital signal cables that can increase the added value of the product. It is to provide a Le.

  In order to solve the above-mentioned problems, the invention of claim 1 is a high-frequency digital signal cable capable of automating the connection between a flat high-frequency signal line of the cable and one side of the conversion board on the high-frequency plug. Is provided with a plurality of core wires arranged in parallel, and an outer periphery of each core wire is covered with an insulating layer, and a shielding layer for shielding electromagnetic interference is provided on the outer periphery of the plurality of insulating layers, and a protective layer is provided on the outer periphery of the shielding layer. Is a high-frequency digital signal cable characterized by being coated.

  The invention of claim 2 is the high-frequency digital signal cable according to claim 1, wherein 19 core wires of the cable are installed and connected in association with the male plug of the HDMI connector.

  The invention of claim 3 is the high-frequency digital signal cable according to claim 1, wherein 20 core wires of the cable are installed and associated with the male plug of the display port connector.

  4. The high frequency digital signal cable according to claim 1, wherein at least 24 core wires of the cable are installed and associated with male plugs of a connector of a standard related to DVI. It is.

  The invention of claim 5 is the high-frequency digital signal cable according to claim 1, wherein the core wire of the cable is made of flexible aluminum, iron or copper material.

  The invention of claim 6 is the high-frequency digital signal cable according to claim 1, wherein the insulating layer of the cable is made of a thermoplastic elastomer or a polyethylene material.

  The invention according to claim 7 is the high-frequency digital signal cable according to claim 1, wherein the shielding layer of the cable is constituted by covering with an aluminum foil, winding of a copper wire or knitting of a copper wire.

  The invention of claim 8 is the high-frequency digital signal cable according to claim 1, wherein the protective layer of the cable is made of polyvinyl chloride, polyethylene, polyethylene terephthalate or polypropylene material.

  The invention according to claim 9 is the high-frequency digital signal cable according to claim 1, wherein an earth conductive wire in contact with the shielding layer is provided next to the insulating layer on the outer periphery of the core wire of the cable.

  A tenth aspect of the present invention is the high-frequency digital signal cable according to the ninth aspect, wherein the ground conductive wire is made of a tin-plated copper wire, a copper wire or a silver-plated wire.

  The invention of claim 11 is the high-frequency digital signal cable according to claim 1, wherein the core wire of the cable is connected in association with a lead contact group installed on the conversion board of the plug.

  In the invention of claim 12, a first surface and a second surface are formed on the conversion board, and a first contact group and a jumper wire group are provided on the first surface, respectively. The contact group and jumper wire group are connected to the lead contact group on the other side to form an array, the second contact group is provided on the second surface, and the second contact group penetrates the conversion board. The high-frequency digital signal cable according to claim 11, wherein the high-frequency digital signal cable is electrically connected to a jumper wire group on the first surface.

In the present invention, a plurality of core wires arranged in parallel are provided in a cable, an insulating layer is coated on the outer periphery of each core wire, and a shielding layer that shields electromagnetic interference is installed on the outer periphery of the plurality of insulating layers. The outer periphery of the layer is covered with a protective layer, and a flat high-frequency signal line and a high-frequency plug are connected. The high-frequency plug and the cable are connected in association with each other through a conversion board. The pin definition matches the definition of the upper and lower terminals of the plug and can be welded, and the connection can be completed by one-sided welding, enabling mass production through automated processing and assembly. Cost can be reduced, adaptability can be improved, and signal transmission quality can be improved. Also, when connecting the flat high-frequency signal line and the high-frequency plug of the present invention, a plurality of core wires of the cable can be directly associated with the lead contact group of the conversion board on the plug and then connected. The first contact group and the second contact group on the other side are connected to the upper and lower terminals provided on the plug, so that the definition of the core pin matches the definition of the terminal pin in the plug. Can be welded together, and the connection can be completed by one-side welding once, mass production by automation of processing can be realized, assembly cost can be reduced, adaptability is improved, and signal transmission quality is improved Can do.

Embodiments showing the objects, features, and effects of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a perspective view of a cable of the present invention. FIG. 2 is a front sectional view of the cable of the present invention. As can be seen from the figure, the structure of the high-frequency digital signal cable 1 of the present invention is provided with a plurality of core wires 11 arranged in parallel, and the outer periphery of each core wire 11 is covered with an insulating layer 12, respectively. A shielding layer 13 that shields electromagnetic interference is provided on the outer periphery, and a protective layer 14 is coated on the outer periphery of the shielding layer 13 to form a flat high-frequency signal line.

The above-described core wire is made of flexible aluminum, iron, or copper material. The insulating layer 12 is made of an insulating material such as thermoplastic elastomer (TPE) or polyethylene (PE). The shielding layer 13 is formed by covering with an aluminum foil, winding a copper wire, or knitting a copper wire. The protective layer 14 is made of polyvinyl chloride (PVC), polyethylene (PE), polyethylene terephthalate (PET), or propylene (PROPYLENE) material.

FIG. 3 is a perspective view showing an embodiment of the present invention. FIG. 4 is a perspective view from another angle of FIG. FIG. 5 is a perspective view showing a state after the assembly of the present invention. FIG. 6 is a circuit diagram showing the pins of the embodiment of the present invention. As shown in the figure, the above-described cable 1 is connected to a high-frequency connector plug 2, a contact end 21 on one side of the plug 2 is connected to an outer peripheral electronic device (not shown), and the other end of the contact end 21. The welding end 22 to which the conversion board 3 is joined is installed. A conductive terminal group 23 is provided in the plug 2, and the conductive terminal group 23 includes a first terminal group 231 and a second terminal group 232 in the upper and lower stages. A first surface 31 and a second surface 32 of two front and back surfaces are formed on the conversion board 3, and a first contact group 311 and a jumper wire group 313 are provided on the first surface 31, respectively. The first contact group 311 and the jumper wire group 313 are connected to the lead contact group 312 on the other side, and one side of the core wire 11 of the cable 1 is welded. A second contact group 321 is provided on the second surface 32, and the second contact group 321 passes through the conversion board 3 and is electrically connected to the jumper wire group 313 on the first surface 31. The lead contact group 312 connected to the contact group 311 is welded in association with the pin of the core wire 11 of the cable 1, thus completing the structural arrangement of the present invention.

With the above-described structure, after the core wire 11 of the cable 1 and the lead contact group 312 of the conversion board 3 are associated and connected, one-side welding work can be performed by an automatic welding jig, and mass production by automation is possible. Achievable and achieve adaptability and cost reduction.

Nineteen pins are arranged on the same plane in the plurality of core wires 11 in the cable 1 described above, and the pins 1 to 19 are GND-2, 2+, 2-, GND-1, 1+, 1-, GND. −0, 0+, 0−, GND-C, C +, C−, CEC, NC, SCL, SDA, GND, + 5V, HPD, and these pins are associated with the lead contact group 312 of the conversion board 3. Connected. When the pins of the conductive terminal group 23 at the end of the high frequency plug 2 are HDMI plugs 2, the pins 1 to 19 are 2+, GND-2, 2-, 1+, GND-1, 1-, 0+, GND-0. , 0-, C +, GND-C, C-, CEC, NC, SCL, SDA, GND, + 5V, HPD, these pins being the first contact group 311 of the first surface 31 of the conversion board 3 and The second surface 32 is connected in association with the second contact group 321 (shown in FIGS. 3, 4 and 6).

The high-frequency plug 2 of the present invention can be a display board, a DVI or HDMI plug, etc. When the plug 2 conforms to a standard such as DVI, it has at least 24 pins in three stages, and the plug 2 of the display port. In the case of, there are 20 pins in two stages, and in the case of HDMI plug 2, it has 19 pins in two stages, all of which can be connected to corresponding contacts through the conversion board 3. The pins may be designed to be inserted or SMT-mounted so that the pins do not contact each other.

When the high-frequency digital signal cable 1 of the present invention is connected to the high-frequency connector plug 2, it can be welded in association with the conversion board 3, and the design of the conversion board 3 and the plug 2 end or the conversion board 3 and the cable 1 end is a module. Thus, the pins of the plug 2 or the pins of the cable 1 can be arbitrarily changed, and the conversion board 3 can be used in association and connected. Moreover, the cable 1 can use a flat thing, and when the core wire 11 of the cable 1 is designed with various pin standards, it can be matched with the corresponding standard through the lead contact group 312 of the conversion board 3, Applicability, expandability and market demand can be increased, and by modularizing production, costs can be significantly reduced and the added value of products can be increased. Further, since the pins of the lead contact group 312 are different, there is no need to cross and align the core wires 11 and perform welding in association with each other. Therefore, the assembly time can be shortened and the welding operation can be performed in direct association.

When the contact end 21 of the high-frequency plug 2 is connected to an electronic product to transmit a signal, the metal ground surface 33 installed on the conversion board 3 causes interference on each transmission circuit on the upper and lower surfaces of the conversion board 3. (See FIG. 4), the occurrence of crosstalk noise can be reduced, and the conversion board 3 has a function of isolating electromagnetic waves, so that the conversion board 3 prevents interference between transmission circuits on the upper and lower surfaces. Further, an excellent effect can be exhibited.

As shown in FIG. 7, the space between the first terminal group 231 and the second terminal group 232 in the upper and lower stages of the conductive terminal group 23 in the plug 2 of the present invention is designed according to the thickness of the conversion board 3. The upper and lower terminals exposed at the weld end 22 are horizontally arranged, and when the conversion board 3 is assembled between the upper and lower terminals, the respective terminals are contact points on the upper and lower surfaces of the conversion board 3. Since there is no need to bend the upper and lower terminals to correspond to the contact points on the upper and lower surfaces of the conversion board 3, it is possible to perform welding work easily and realize mass production by automation. Can increase adaptability and reduce cost.

In the cable 1 described above, a ground conductive wire 15 made of a tinned copper wire (TINNED COPPER WIRE), a copper wire or a silver plated wire is provided, and the ground conductive wire 15 is installed next to the insulating layer 12 on the outer periphery of the core wire 11. Contact the shielding layer 13. A conductive hole 34 (shown in FIG. 4) for connecting the first contact group 311 and the second contact group 321 is provided on the conversion board 3, and the conductive hole 34 is a jumper wire group of the first contact group 311. It is installed at the end of 313 and passes through the conversion board 3 and is connected to the second contact group 321. Further, when the ground conductive cable 15 in the cable 1 is connected to the metal ground surface 33 by the connection structure using the conductive hole 34 to eliminate crosstalk noise and the signal is transmitted to the electronic product through the connector, the signal is A clear state can be maintained, and the electronic product can display a clear screen.

The outer periphery of the plug 2 in the above description is covered with a metal shielding casing 24 (see FIG. 4) to prevent electromagnetic interference from the outer periphery. The high-frequency plug 2 of the present invention is an example in which a male-type high-frequency connector is used. However, when the present invention is actually applied, it can be applied not only to a male plug but also to a female plug.

As an important point to be protected in the present invention, a plurality of core wires 11 arranged in parallel are provided in the cable 1, and the outer periphery of each core wire 11 is covered with an insulating layer 12, and the outer periphery of the plurality of insulating layers 12 is electromagnetic interference. A shielding layer 13 is installed to cover the outer periphery of the shielding layer 13, and a protective layer 14 is coated on the outer periphery of the shielding layer 13 to connect a flat high-frequency signal line and the high-frequency plug 2, and conversion between the high-frequency plug 2 and the cable 1 is performed. Correspondingly connected through the board 3, the structure of the conversion board 3 can be welded by matching the definition of the pin of the core wire 11 with the definition of the terminal of the upper and lower stages of the plug 2, and welding on one side once Since the connection can be completed by this, mass production by automation of processing can be realized, assembly cost can be reduced, adaptability can be improved, and signal transmission quality can be improved. All changes in the principle and the structure of the equivalent effect adopted in the present invention are included in the scope of the utility model registration claim of the present invention.

As a technique by which the high-frequency digital signal cable of the present invention can improve the prior art, the cable 1 of the present invention has a plurality of core wires 11 directly connected to the plug 2 when the flat high-frequency signal line and the high-frequency plug 2 are connected. The first contact group 311 and the second contact group 321 on the other side of the conversion board 3 and the upper and lower terminals provided on the plug 2 are connected in association with the lead contact group 312 of the upper conversion board 3. So that the definition of the pin of the core wire 11 matches the definition of the terminal pin in the plug 2 and can be welded so that the connection can be completed by one-side welding. Mass production by automation of processing can be realized, assembly cost can be reduced, adaptability can be improved, and signal transmission quality can be improved.

The above detailed description shows a preferred embodiment of the present invention, and does not limit the scope of the claims for utility model registration of the present invention, but changes in equivalent effects without departing from the gist of the present invention. All modifications and modifications are included in the claims of the utility model registration of the present invention.

As described above, when the high-frequency digital signal cable of the present invention is used, the above-described effects and objects can be reliably achieved.

It is a perspective view which shows the cable of this invention. It is front sectional drawing which shows the cable of this invention. It is a disassembled perspective view which shows the Example of this invention. It is a disassembled perspective view from the other angle of FIG. It is a perspective view which shows the state after the assembly of this invention. It is a circuit diagram which shows the pin of the Example of this invention. It is a disassembled perspective view which shows the other Example of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cable 11 Core wire 12 Insulating layer 13 Shielding layer 14 Protective layer 15 Ground conductive wire 2 Plug 21 Contact end 22 Weld end 23 Conductive terminal group 231 First terminal group 232 Second terminal group 24 Shield casing 3 Conversion board 31 1 surface 311 first contact group 312 lead contact group 313 jumper wire group 32 second surface 321 second contact group 33 metal ground plane 34 conductive hole

Claims (12)

In the high-frequency digital signal cable connected to the contact group arranged on one side of the conversion board of the flat board of the cable and the high-frequency plug conversion board,
The cable includes a plurality of core wires arranged in parallel, an outer periphery of each of the core wires is covered with an insulating layer, and an outer periphery of the plurality of insulating layers is provided with a shielding layer that shields electromagnetic interference, and the shielding layer A high-frequency digital signal cable characterized in that a protective layer is coated on the outer periphery.   The high-frequency digital signal cable according to claim 1, wherein 19 core wires of the cable are provided and connected in association with male plugs of the HDMI connector.   The high-frequency digital signal cable according to claim 1, wherein 20 core wires of the cable are provided and connected in association with male plugs of a display port connector.   The high-frequency digital signal cable according to claim 1, wherein 24 or more core wires of the cable are provided and connected in association with male plugs of a connector of a standard related to DVI.   The high-frequency digital signal cable according to claim 1, wherein the core wire of the cable is made of flexible aluminum, iron, or copper material.   2. The high frequency digital signal cable according to claim 1, wherein the insulating layer of the cable is made of a thermoplastic elastomer or a polyethylene material.   2. The high-frequency digital signal cable according to claim 1, wherein the shielding layer of the cable is formed by covering with an aluminum foil, winding a copper wire, or knitting a copper wire.   2. The high-frequency digital signal cable according to claim 1, wherein the protective layer of the cable is made of polyvinyl chloride, polyethylene, polyethylene terephthalate, or polypropylene material.   2. The high-frequency digital signal cable according to claim 1, wherein a ground conductive wire in contact with the shielding layer is provided next to the insulating layer on the outer periphery of the core wire of the cable.   The high-frequency digital signal cable according to claim 9, wherein the ground conductive wire is made of a tin-plated copper wire, a copper wire, or a silver-plated wire.   2. The high-frequency digital signal cable according to claim 1, wherein the core wire of the cable is connected in association with a group of lead contacts installed on the conversion board of the plug.   A first surface and a second surface are formed on the conversion board, and a first contact group and a jumper wire group are provided on the first surface, respectively. The contact group and the jumper wire group are connected to the lead contact group on the other side and arranged in a single line, the second contact group is provided on the second surface, and the second contact group penetrates the conversion board. The high-frequency digital signal cable according to claim 11, wherein the high-frequency digital signal cable is electrically connected to the jumper wire group on the first surface.

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