CN102682892A

CN102682892A - Cable

Info

Publication number: CN102682892A
Application number: CN2011100563012A
Authority: CN
Inventors: 郭金宝; 柯彦旭
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2011-03-09
Filing date: 2011-03-09
Publication date: 2012-09-19
Anticipated expiration: 2031-03-09
Also published as: CN102682892B

Abstract

The invention provides a cable. The cable comprises at least one ground wire and a conductive body, wherein the conductive body has an outer layer with better conductivity and an inner layer, wherein the conductivity of the inner layer is weaker than that of the outer layer; and the ground wire is positioned between the outer layer and the inner layer, and is in contact with the inner layer and the outer layer. Compared with the prior art, the cable provided by the invention has the advantages of anti-electromagnetic interference function, simple process and convenience for making.

Description

Cable

[technical field]

The present invention relates to a kind of cable, relate in particular to a kind of cable with anti-electromagnetic interference function.

[background technology]

At present, in the electronic equipment use, more or less electromagnetic interference can appear, how to improve anti-electromagnetic interference capability and be electron trade the problem that must solve.Except electronic building brick itself is proposed to increase the anti-electromagnetic interference functions of components, also require the cable of electronic building brick is increased the function of anti-electromagnetic interference.

In August calendar year 2001 Chinese Taiwan on the 11st patent announcement disclosed a kind of cable structure No. 450408; This cable is coated by some thin cable and forms; It is included in innermost layer and has several thin cable, is coated with one first separator in these thin cable, and this first separator is an aluminium foil material; Outside first separator, be coated with one second separator again; Second separator is the conductive plastics material, between first separator and second separator, has an earth connection in addition, is coated with an insulating barrier again in this second separator outer rim at last.This cable reduces electromagnetic interference really to a great extent, and still, this cable uses a plurality of separators for increasing the ability of anti-electromagnetic interference, and production technology is complicated, and processing cost is higher.

Therefore, be necessary to provide a kind of cable to overcome the problems referred to above.

[summary of the invention]

Main purpose of the present invention is to provide a kind of technology simple and have a cable of anti-electromagnetic interference function.

For realizing above-mentioned purpose; The present invention can adopt following technical scheme: a kind of cable; Comprise at least one earth connection and electric conductor; Electric conductor has better conductivity skin and the conductivity internal layer more weak with respect to said skin, said earth connection between said skin and said internal layer and with said outside, internal layer contacts.

For realizing above-mentioned purpose; The present invention also can adopt following technical scheme: a kind of cable; Comprise at least one exposed metallic conductor and electric conductor; Electric conductor has better conductivity skin and the conductivity internal layer more weak with respect to said skin, said metallic conductor between said skin and said internal layer and with said outside, internal layer contacts.

Compared with prior art, the beneficial effect of cable of the present invention is: have the function of anti-electromagnetic interference, and technology is simple, and easy to make.

[description of drawings]

Fig. 1 is the three-dimensional assembly diagram of cable of the present invention.

Fig. 2 is the front view of cable shown in Figure 1.

[embodiment]

Please referring to figs. 1 through shown in Figure 2, cable 1 of the present invention comprises earth connection 2, holding wire 3, coats the insulated hull 4 of holding wire 3 and the electric conductor 5 of coating earth connection 2 and insulated hull 4.

Earth connection 2, holding wire 3 are for having the metal wire of conduction function, and its material is existing metal wires such as copper, aluminium.

Electric conductor 5 has two-layer, comprises better conductivity outer 51 and outer 51 the more weak internal layer 52 of conductivity relatively.Electric conductor 5 is through being bent to form three-decker; Comprise ground floor 501, the second layer 502 and the 3rd layer 503, above-mentioned three layers are arranged above and below successively, and ground floor 501 is connected with the 3rd layer 503; The second layer 502 is connected with the 3rd layer 503, and the second layer 502 is between ground floor 501 and the 3rd layer 503.Outer 51 are positioned at the periphery of whole piece cable 1, and in the ground floor 501, outer 51 are positioned at internal layer 52 tops, and in the second layer 502, outer 51 are positioned at internal layer 52 tops, and in the 3rd layer 503, outer 51 are positioned at internal layer 52 belows.

Earth connection 2 is exposed metallic conductor; Between the ground floor 501 and the second layer 502; Its earth connection 2 is in contact with the skin 51 of electric conductor 5 and the internal layer 52 of electric conductor 5, between the skin 51 of internal layer 52 and the second layer 502 of earth connection 2 in ground floor 501.

Insulated hull 4 is between the second layer 502 and the 3rd layer 503, and its insulated hull 4 contacts with the internal layer 52 of electric conductor 5, between the internal layer 52 of internal layer 52 and the second layer 502 of earth connection 2 in ground floor 501.Some holding wires 3 with insulated hull 4 form a line, and certainly, in other embodiments, some holding wires 3 also can be stacked.

Outer 51 materials are metal forming, also can be for having the scrim of the coat of metal, and internal layer 52 has the conducting resinl (not shown) of stickiness.Internal layer 52 sticks together fixing usefulness when coating; Be scattered with the conductor powder (not shown) of conduction on the conducting resinl; And conductor powder is not for connecting conducting path; Its conducting resistance is higher, and its conduction pattern is called vertical conducting in engineering, and the resistance of the skin 51 (horizontal conducting) that relative material is a metal forming can be higher.Because of the height of resistance is an inverse ratio in the ability of anti-electromagnetic interference, so, reduce resistance and can improve anti-electromagnetic interference capability.The present invention contacts with earth connection 2 through the less skin 51 of resistance, can reduce the resistance of whole piece cable 1, thereby, improve anti-electromagnetic interference capability.

The present invention can make internal layer 52 coat earth connections 2 only through an electric conductor 5, can make outer 51 to contact to improve better conduction with earth connection 2 again.Production technology is simple, and is easy to make.

Claims

1. cable; It comprises at least one earth connection and electric conductor; It is characterized in that: said electric conductor has better conductivity skin and the conductivity internal layer more weak with respect to said skin, said earth connection between said skin and said internal layer and with said outside, internal layer contacts.

2. cable as claimed in claim 1 is characterized in that: said electric conductor is at least two-layer arrangement, and said earth connection is between the ground floor and the second layer.

3. cable as claimed in claim 2 is characterized in that: said cable also comprises at least one holding wire and coats the insulated hull of said holding wire that said conductive layer coats said insulated hull.

4. cable as claimed in claim 3 is characterized in that: said electric conductor also has the 3rd layer, and said holding wire is between the second layer and the 3rd layer.

5. cable as claimed in claim 4 is characterized in that: said insulated hull contacts with said internal layer.

6. cable as claimed in claim 5 is characterized in that: said some holding wires are arranged into row.

7. cable as claimed in claim 1 is characterized in that: said earth connection is exposed metallic conductor.

8. cable as claimed in claim 1 is characterized in that: said outer field material is a metal forming, and said internal layer has the conducting resinl of stickiness.

9. cable as claimed in claim 8 is characterized in that: said outer field material is the scrim with coat of metal, and said internal layer has the conducting resinl of stickiness.

10. cable; It comprises: at least one exposed metallic conductor and electric conductor; It is characterized in that: said electric conductor has better conductivity skin and the conductivity internal layer more weak with respect to said skin, said metallic conductor between said skin and said internal layer and with said outside, internal layer contacts.