CN111916254A

CN111916254A - Cable and electronic device with same

Info

Publication number: CN111916254A
Application number: CN201910377514.1A
Authority: CN
Inventors: 何思翰
Original assignee: Shenzhen Futaihong Precision Industry Co Ltd; Chiun Mai Communication Systems Inc
Current assignee: Shenzhen Futaihong Precision Industry Co Ltd; Chiun Mai Communication Systems Inc
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-11-10

Abstract

The utility model provides a cable conductor, is applied to electronic device, the cable conductor includes signal layer, insulating layer, shielding layer, insulating skin and a plurality of conductive elastomer of arranging from inside to outside, a plurality of conductive elastomer cover are located with the interval mode insulating skin, a plurality of conductive elastomer are made by the macromolecular material who adds the metal powder, are used for with in the cable conductor card is held to electronic device to for the metal ground connection of cable conductor contact in electronic device. An electronic device having the cable line is also provided.

Description

Cable and electronic device with same

Technical Field

The invention relates to a cable and an electronic device with the same.

Background

Electronic devices typically use cables to connect two areas, such as a main circuit board and a sub circuit board, for signal transmission. Generally, when assembling the cable to the electronic device, the problems of fixing and noise suppression, i.e. fixing and grounding, are considered. In a conventional assembly method, a metal member is sleeved on an outer layer of a cable, a fixing structure is arranged on a shell of an electronic device for fixing, and the metal member provides grounding for the cable. However, the metal member and the fixing structure in the conventional manner require an additional space on the housing of the electronic device, which increases additional cost and is not simple enough.

Disclosure of Invention

In view of the above, it is desirable to provide a cable with a simple structure.

The utility model provides a cable conductor, is applied to electronic device, the cable conductor includes signal layer, insulating layer, shielding layer, insulating skin and a plurality of conductive elastomer of arranging from inside to outside, a plurality of conductive elastomer cover are located with the interval mode insulating skin, a plurality of conductive elastomer are made by the macromolecular material who adds the metal powder, are used for with in the cable conductor card is held to electronic device to for the metal ground connection of cable conductor contact in electronic device.

An electronic device comprises a shell and the cable, wherein a groove is formed in the shell, and the cable is fixedly held in the groove through a conductive elastic body.

The cable conductor passes through a plurality of electrically conductive elastomer card and holds to the recess of casing in, both realized conveniently fixing the effect of cable conductor still provides ground connection for the cable conductor simultaneously to the suppression noise. The conductive elastomers are simple in structure, an additional fixing device does not need to be arranged in the shell, and production cost is saved.

Drawings

Fig. 1 is a schematic view of an electronic device according to a first embodiment of the invention.

Fig. 2 is a schematic cross-sectional view of a cable of the electronic device shown in fig. 1.

Fig. 3 is another schematic angular cross-sectional view of the cable of the electronic device shown in fig. 1.

Fig. 4 is a schematic view of an electronic device according to a second embodiment of the invention.

Description of the main elements

Electronic device

100, 200

Housing 10

Groove 12

Cable wire 20

Signal layer 21

Insulating layer 22

Shielding layer 23

Insulating outer layer 24

Opening 242

Conductive elastomer 25

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "electrically connected" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "electrically connected" to another element, it can be connected by contact, for example, by wires, or by contactless connection, for example, by contactless coupling.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Referring to fig. 1, a first embodiment of the invention provides an electronic device 100, and the electronic device 100 may be a mobile phone, a tablet computer, a personal digital assistant, or the like.

The electronic device 100 includes a housing 10 and a cable 20. The cable 20 is used to connect two areas of the electronic device 100, such as a main circuit board and a sub circuit board, for signal transmission.

The housing 10 is provided with a groove 12 for accommodating the cable 20. In this embodiment, the housing 10 may be made of a metal material.

Referring to fig. 2 and 3, the cable 20 includes a signal layer 21, an insulating layer 22, a shielding layer 23, an insulating outer layer 24 and a conductive elastomer 25 arranged from the inside to the outside.

The signal layer 21 is used for transmitting signals. The signal layer 21 may be a material such as an optical fiber. The insulating layer 22 covers the signal layer 21. The shielding layer 23 covers the insulating layer 22, and is used for providing shielding protection for the signal layer 21 and shielding the signal layer 21 from external noise. In this embodiment, the shielding layer 23 may be a metal mesh. The insulating outer layer 24 covers the shielding layer 23. The insulating layer 22 and the insulating outer layer 24 may be insulating rubber materials, the insulating layer 22 is used for isolating the signal layer 21 and the shielding layer 23, and the insulating outer layer 24 is used for isolating the shielding layer 23 from the external environment.

The conductive elastomer 25 is sleeved on the insulating outer layer 24. The insulating outer layer 24 is provided with an opening 242 with a predetermined length, the conductive elastomer 25 is filled in the opening 242, and the length of the conductive elastomer 25 is greater than the longitudinal length of the opening 242 so as to cover the opening 242 and the insulating outer layer 24 around the opening 242. Wherein the conductive elastomer 25 filled into the opening 242 covers the shielding layer 23. In this embodiment, the conductive elastomer 25 is a polymer material added with metal powder, and may be, but not limited to, a conductive rubber, which has elasticity and conductivity.

Referring to fig. 1 and 4, in different embodiments, the length of the conductive elastic body 25 may be designed differently according to needs, the cable 20 includes a plurality of conductive elastic bodies 25 arranged at intervals, and different numbers and lengths of the conductive elastic bodies 25 may be distributed according to the length and the design needs of the cable 20.

Referring to fig. 1 to 4, the cable 20 is clamped into the groove 12 of the housing 10 through the plurality of conductive elastic bodies 25, and the cable 20 is held in the housing 10 by the elastic deformation of the conductive elastic bodies 25 to some extent. Meanwhile, the contact between the conductive elastic bodies 25 and the housing 10 provides the grounding for the cable 20, which can provide the noise suppression effect. In this embodiment, the plurality of conductive elastic bodies 25 are sleeved on the insulating outer layer 24 of the cable 20 at equal intervals.

In another embodiment, the conductive elastomers 25 are sleeved on the insulating outer layer 24 of the cable 20 at unequal intervals.

It is understood that the plurality of conductive elastic bodies 25 are in contact with a metal portion of the housing 10, or in contact with the housing 10 made of metal, so as to provide a ground for the cable line 20.

In another embodiment, the insulating outer layer 24 of the cable line 20 may be replaced by the conductive elastomer 25, that is, the conductive elastomer 25 directly covers the shielding layer 23 and isolates the shielding layer 23 from the external environment.

When the cable 20 is manufactured, the signal layer 21, the insulating layer 22, the shielding layer 23 and the insulating outer layer 24 are sequentially arranged from inside to outside. The conductive elastomer 25 is formed on the cable 20, and a plurality of spaced openings 242 are formed in the insulating outer layer 24 by a laser stripping process. Then, the polymer material containing the metal powder is added into the plurality of openings 242 and the periphery thereof by processes of spraying, glue filling, in-mold injection, UV curing, baking and cooling, so as to form the plurality of conductive elastomers 25.

The cable 20 is clamped in the groove 12 of the housing 10 through a plurality of conductive elastic bodies 25, so that the cable 20 is conveniently fixed, and the cable 20 is grounded to suppress noise. The plurality of conductive elastic bodies 25 have a simple structure, and an additional fixing device does not need to be arranged in the housing 10, thereby saving the production cost.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention. Those skilled in the art can also make other changes and the like in the design of the present invention within the spirit of the present invention as long as they do not depart from the technical effects of the present invention. Such variations are intended to be included within the scope of the invention as claimed.

Claims

1. The utility model provides a cable conductor, is applied to electron device which characterized in that: the cable comprises a signal layer, an insulating layer, a shielding layer, an insulating outer layer and a plurality of conductive elastic bodies, wherein the signal layer, the insulating layer, the shielding layer, the insulating outer layer and the conductive elastic bodies are arranged from inside to outside, the conductive elastic bodies are sleeved on the insulating outer layer at intervals, the conductive elastic bodies are made of high polymer materials added with metal powder and used for clamping the cable into an electronic device and enabling the cable to be in contact with metal grounding of the electronic device.

2. An electric cable as claimed in claim 1, wherein: the plurality of conductive elastic bodies are sleeved on the insulating outer layer in an equidistant manner.

3. An electric cable as claimed in claim 1, wherein: the plurality of conductive elastomers are made of conductive rubber materials and have elasticity and conductivity.

4. An electric cable as claimed in claim 1, wherein: the signal layer is used for transmitting signals and is made of optical fiber materials; the insulating layer covers the signal layer; the shielding layer wraps the insulating layer and is used for providing shielding protection for the signal layer, and the shielding layer is a metal net; the insulating outer layer coats the shielding layer.

5. An electric cable as claimed in claim 4, wherein: the insulating layer reaches insulating outer layer is insulating rubber material, the insulating layer is used for keeping apart signal layer and shielding layer, insulating outer layer is used for keeping apart shielding layer and external environment.

6. An electric cable as claimed in claim 4, wherein: the insulating outer layer is provided with an opening with a preset length, the conductive elastomers are filled into the opening, the lengths of the conductive elastomers are larger than the longitudinal length of the opening so as to cover the opening and the insulating outer layer at the periphery of the opening, and the conductive elastomers filled into the opening cover the shielding layer.

7. An electric cable as claimed in claim 2, wherein: the cable comprises a plurality of conductive elastic bodies arranged at intervals, the conductive elastic bodies are abutted against a groove formed in a shell of the electronic device through elastic deformation of the conductive elastic bodies to a certain degree so as to fixedly hold the cable in the shell of the electronic device, and meanwhile, the contact between the conductive elastic bodies and the shell provides grounding for the cable.

8. An electric cable as claimed in claim 4, wherein: the insulating outer layer is replaced by the plurality of conductive elastomers, the shielding layer is directly wrapped by the plurality of conductive elastomers, and the shielding layer is isolated from the external environment.

9. The utility model provides an electronic device, includes the casing, offer a recess on the casing which characterized in that: the electronic device further comprises the electrical cable of any one of claims 1-8, held in the groove by the plurality of conductive elastomers.

10. The electronic device of claim 9, wherein: the shell is made of metal materials, and the contact of the plurality of conductive elastic bodies and the shell provides grounding for the cable.