CN102456437A - Cable, heat-shrinkable tube with shielding function and manufacturing method for cable - Google Patents

Cable, heat-shrinkable tube with shielding function and manufacturing method for cable Download PDF

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Publication number
CN102456437A
CN102456437A CN2010105195493A CN201010519549A CN102456437A CN 102456437 A CN102456437 A CN 102456437A CN 2010105195493 A CN2010105195493 A CN 2010105195493A CN 201010519549 A CN201010519549 A CN 201010519549A CN 102456437 A CN102456437 A CN 102456437A
Authority
CN
China
Prior art keywords
cable
heat
shrinkable
bush
shielding layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2010105195493A
Other languages
Chinese (zh)
Inventor
苏聘胜
陈钧
祁锋军
王青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foxconn Kunshan Computer Connector Co Ltd
Hon Hai Precision Industry Co Ltd
Original Assignee
Foxconn Kunshan Computer Connector Co Ltd
Hon Hai Precision Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foxconn Kunshan Computer Connector Co Ltd, Hon Hai Precision Industry Co Ltd filed Critical Foxconn Kunshan Computer Connector Co Ltd
Priority to CN2010105195493A priority Critical patent/CN102456437A/en
Publication of CN102456437A publication Critical patent/CN102456437A/en
Pending legal-status Critical Current

Links

Abstract

The invention discloses a cable (1), which comprises a pair of transversely arranged differential signal conductors (11), a metal masking layer (13) incompletely covering the pair of signal conductors and an insulated outer coating layer (14) incompletely covering the metal masking layer. The cable further comprises a heat-shrinkable tube (15) which is sleeved at the front end of the cable, wherein a thermosol layer (151) contacting the outer surface of the front end of the cable is arranged on the inner side of the heat-shrinkable tube; and a metal layer (154) consisting of a plurality of aggregated metal particles (152) is arranged in the thermosol layer, and covers the periphery of the front end of the cable.

Description

Cable, has the manufacturing approach of the heat-shrinkable T bush and the cable of function of shielding
[technical field]
The present invention relates to a kind of cable and manufacturing approach thereof, refer to a kind of cable and manufacturing approach thereof especially with function of shielding.
[background technology]
In the prior art, the some transversely arranged signal conductor, the metal screen layer around some signal conductors outside that are provided with from inside to outside in the cable that generally is used for transmission signals comprises reach quilt outside the insulation outside metal screen layer.When the various signals lead needs to weld with location interval conducting terminal far away respectively; The front end that is coated on outer metal screen layer of signal conductor and the outer quilt of insulation need cut a part; The front end of some like this holding wires just can not receive the constraint of metal screen layer and the outer quilt of insulation and spread out the conducting terminal electric connection that every signal conductor can be corresponding with it.
Yet,, so just caused the shielding surface of cable to reduce, and made the anti-electromagnetic interference capability of cable receive weakening because the front end of metal screen layer has been peelled off a part.
Be with, need a kind of improved cable and manufacturing approach thereof to overcome the deficiency of prior art.
[summary of the invention]
The object of the present invention is to provide a kind of cable with heat-shrinkable T bush, this cable has good EMI suppression effect.
To achieve these goals; The present invention adopts following technical scheme: a kind of cable; Comprise: a pair of transversely arranged differential signal lead, do not coat the metal shielding layer of a pair of signal conductor fully, be not coated on the insulation serving of metal shielding layer fully; Said cable also comprises the heat-shrinkable T bush that is sheathed on the cable front end; The inboard of said heat-shrinkable T bush is the thermosol glue-line that contacts with cable front end outer surface, is provided with the metal level of being made up of metallic particles that is flocked together by some in the said thermosol glue-line, and said metal layer covers is in the periphery of cable front end.
The object of the present invention is to provide a kind of peripheral heat-shrinkable T bush of cable that is sheathed on, this heat-shrinkable T bush has function of shielding.
To achieve these goals; The present invention adopts following technical scheme: a kind of heat-shrinkable T bush with function of shielding; The inboard of said heat-shrinkable T bush is the thermosol glue-line; Be provided with the metallic particles of some dispersions in the said thermosol glue-line, when said heat-shrinkable T bush received thermal contraction, said metallic particles flocked together and forms a metal level.
The present invention also aims to provide a kind of cable manufacturing approach with heat-shrinkable T bush.
To achieve these goals; The present invention adopts following technical scheme: a kind of manufacturing approach of cable; It comprises the steps: the first step: a kind of cable is provided; This cable comprises a pair of holding wire, be coated on the outer metal shielding layer of said holding wire and be coated on the outer insulation serving of metal shielding layer, and the part of said a pair of holding wire is exposed to the metal shielding layer, and the part of said metal shielding layer is exposed to the insulation serving; Second step: the heat-shrinkable T bush that will make in advance is sheathed on the periphery and the periphery that is exposed to a part of metal shielding layer outside the insulation serving of a part of signal conductor that is exposed to the metal shielding layer; Said heat-shrinkable T bush comprises the insulating barrier that is positioned at its inboard thermosol glue-line and is positioned at its outside, is provided with the metallic particles of some dispersions in the said thermosol glue-line; The 3rd step: heat is warmed Heat-Shrinkable Tubings, and said heat-shrinkable T bush shrinks and be pasted on the periphery of cable, and said metallic particles flocks together and forms one and is trapped among the peripheral metal level of cable.
Compared with prior art; The advantage of cable of the present invention is: have shielding action owing to be sheathed on the peripheral heat-shrinkable T bush of cable; When the inner metal shielding layer of cable itself did not reach the purpose of covering fully, heat-shrinkable T bush can remedy above-mentioned defective and make the good EMI suppression effect of having of cable like this.
[description of drawings]
Fig. 1 is the three-dimensional combination figure of cable of the present invention;
Fig. 2 is the three-dimensional view of the unassembled heat-shrinkable T bush of cable shown in Figure 1;
Fig. 3 is that the heat-shrinkable T bush on the cable shown in Figure 1 is sheathed on the three-dimensional view that cable is not fully assembled on cable;
Fig. 4 is the cutaway view of the heat-shrinkable T bush on the cable of the present invention;
Fig. 5 is the cutaway view after the heat-shrinkable T bush heating on the cable of the present invention;
Fig. 6 is the three-dimensional view that cable of the present invention is connected with connector.
[embodiment]
See also Fig. 1 to Fig. 3, cable 1 of the present invention comprises a pair of transversely arranged differential signal lead 11, an earth lead 12, be coated on the outer metal shielding layer 13 of a pair of signal conductor 11 and earth lead 12 and be coated on the outer insulation serving 14 of metal shielding layer 13.Cable 1 also comprises the sleeve pipe 15 that is sheathed on cable 1 front end.Every signal conductor 11 comprises a conductor 111 and is coated on the insulator 112 outside the conductor 111.The front end of cable 1 is meant the front end of the signal conductor 11 that is exposed to metal shielding layer 13, the metal shielding layer 13 that is exposed to insulation serving 14 and insulation serving 14.
See also Fig. 2; Metal shielding layer 13 does not cover a pair of differential signal lead 12 fully; This end to differential signal lead 12 is exposed to outside the metal shielding layer 13, and insulation serving 14 does not cover metal shielding layer 13 fully yet, and an end of metal shielding layer 13 is exposed to outside the insulation serving 14.Metal shielding layer 13 is an aluminium foil layer or by the made shielding layer of other metal materials.
See also Fig. 3 and Fig. 5, heat-shrinkable T bush 15 is cylindrical, and heat-shrinkable T bush 15 has function of shielding.This heat-shrinkable T bush 15 comprises an internal layer and a skin, the thermosol glue-line 151 of its internal layer for forming once Compound Machining, and permeate the number of metal particle 152 that dispersion is arranged in this thermosol glue-line 151.The skin of heat-shrinkable T bush 15 is an insulating barrier 153, and this insulating barrier can be the cross-linked polyolefin material.Need to prove that after heat-shrinkable T bush 15 received thermal contraction, metallic particles 152 can not shrink, metallic particles 152 can flock together because of the contraction of heat-shrinkable T bush 15 and form metal level 154 like this.The internal diameter of heat-shrinkable T bush 15 is big than the external diameter of cable 1 before receiving thermal contraction, and heat-shrinkable T bush 15 can overlap the periphery that is set to cable 1 part like this.Number of metal particle 152 adds in the manufacturing process of thermosol, and metallic particles 152 can adopt metal materials such as aluminium, copper, iron.
See also Fig. 1 to Fig. 3, heat-shrinkable T bush 15 can be assembled to the periphery of cable 1 through following steps.At first, the heat-shrinkable T bush 15 of forming in advance is sheathed with the periphery of a part of cable 1 that need cover; Then heat-shrinkable T bush 15 is carried out heat baking heating, be close to after heat-shrinkable T bush 15 shrinks cable 1 the periphery (promptly be exposed to outer signal conductor 11 insulators 112 parts of metal shielding layer 13 the periphery, be exposed to the periphery of peripheral and insulation serving 14 parts of outer metal shielding layer 13 parts of insulation serving 14); After treating heat-shrinkable T bush 15 coolings, heat-shrinkable T bush 15 affixes to the periphery of cable 1 through thermosol 151.Through above-mentioned steps, heat-shrinkable T bush 15 is assembled to the periphery of cable 1, and the cable 1 with function of shielding has been accomplished with regard to making.Because the inside of heat-shrinkable T bush 15 has the metal level of being made up of number of metal particle 151 154, heat-shrinkable T bush 15 has shielding action and prevents that cable 1 from receiving extraneous electromagnetic interference when signal transmits like this.
See also Fig. 6, the cable 1 that is assembled with heat-shrinkable T bush 15 is connected on the electric connector 2.Need to prove a just applied environment of cable 1 that shows among the figure, cable 1 can also be used in other environment.
Cable 1 an outer sheathed heat-shrinkable T bush 15 of the present invention with function of shielding; So just can solve when the metal shielding layer 13 in the cable 1 needs to peel off a part owing to practical application; Still can make cable 1 have good function of shielding, effectively raise the EMI suppression performance and the high frequency electrical performance of cable 1.

Claims (8)

1. cable; Comprise: a pair of transversely arranged differential signal lead, do not coat the metal shielding layer of a pair of signal conductor fully and be not coated on the insulation serving of metal shielding layer fully; It is characterized in that: said cable also comprises the heat-shrinkable T bush that is sheathed on the cable front end; The inboard of said heat-shrinkable T bush is the thermosol glue-line that contacts with cable front end outer surface; Be provided with the metal level of being made up of metallic particles that is flocked together by some in the said thermosol glue-line, said metal layer covers is in the periphery of cable front end.
2. cable as claimed in claim 1 is characterized in that: the outer surface that sticks on the cable front end after the said heat-shrinkable T bush heat shrink.
3. cable as claimed in claim 1 is characterized in that: also comprise an earth connection in the said cable metal shielding layer.
4. cable as claimed in claim 1 is characterized in that: the front end of said cable is the front end of the signal conductor that is exposed to the metal shielding layer, the metal shielding layer that is exposed to the insulation serving and insulation serving.
5. heat-shrinkable T bush with function of shielding; It is characterized in that: the inboard of said heat-shrinkable T bush is the thermosol glue-line; Be provided with the metallic particles of some dispersions in the said thermosol glue-line, when said heat-shrinkable T bush received thermal contraction, said metallic particles flocked together and forms a metal level.
6. cable as claimed in claim 5 is characterized in that: the outside of said heat-shrinkable T bush is an insulating barrier.
7. cable as claimed in claim 5 is characterized in that: said heat-shrinkable T bush is used to be sheathed with the periphery of cable and cable is played shielding action.
8. the manufacturing approach of a cable, it comprises the steps:
The first step: a kind of cable is provided; This cable comprises a pair of holding wire, is coated on the outer metal shielding layer of said holding wire and is coated on the outer insulation serving of metal shielding layer; The part of said a pair of holding wire is exposed to the metal shielding layer, and the part of said metal shielding layer is exposed to the insulation serving;
Second step: the heat-shrinkable T bush that will make in advance is sheathed on the periphery and the periphery that is exposed to a part of metal shielding layer outside the insulation serving of a part of signal conductor that is exposed to the metal shielding layer; Said heat-shrinkable T bush comprises the insulating barrier that is positioned at its inboard thermosol glue-line and is positioned at its outside, is provided with the metallic particles of some dispersions in the said thermosol glue-line;
The 3rd step: heat is warmed Heat-Shrinkable Tubings, and said heat-shrinkable T bush shrinks and be pasted on the periphery of cable, and said metallic particles flocks together and forms one and is trapped among the peripheral metal level of cable.
CN2010105195493A 2010-10-26 2010-10-26 Cable, heat-shrinkable tube with shielding function and manufacturing method for cable Pending CN102456437A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010105195493A CN102456437A (en) 2010-10-26 2010-10-26 Cable, heat-shrinkable tube with shielding function and manufacturing method for cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010105195493A CN102456437A (en) 2010-10-26 2010-10-26 Cable, heat-shrinkable tube with shielding function and manufacturing method for cable

Publications (1)

Publication Number Publication Date
CN102456437A true CN102456437A (en) 2012-05-16

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105742798A (en) * 2016-02-25 2016-07-06 上海斐讯数据通信技术有限公司 Device for protecting antenna trace signal and manufacturing method of device
CN108954018A (en) * 2018-07-27 2018-12-07 北京目黑科技有限公司 A kind of laying method of pipe leakage sensing cable
CN109546505A (en) * 2018-12-24 2019-03-29 威创集团股份有限公司 A kind of electric wire and electric wire manufacture craft

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3576387A (en) * 1970-03-19 1971-04-27 Chomerics Inc Heat shrinkable electromagnetic shield for electrical conductors
JPS63245998A (en) * 1987-03-31 1988-10-13 Nitto Electric Ind Co Heat-shrinkable tube for electromagnetic wave shielding
JPH0199293A (en) * 1987-10-12 1989-04-18 Calsonic Corp Heat-shrinkable tube for electromagnetic wave shield
CN1351356A (en) * 2000-10-27 2002-05-29 安普泰科电子有限公司 Terminal structure of electric cable and treating method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3576387A (en) * 1970-03-19 1971-04-27 Chomerics Inc Heat shrinkable electromagnetic shield for electrical conductors
JPS63245998A (en) * 1987-03-31 1988-10-13 Nitto Electric Ind Co Heat-shrinkable tube for electromagnetic wave shielding
JPH0199293A (en) * 1987-10-12 1989-04-18 Calsonic Corp Heat-shrinkable tube for electromagnetic wave shield
CN1351356A (en) * 2000-10-27 2002-05-29 安普泰科电子有限公司 Terminal structure of electric cable and treating method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105742798A (en) * 2016-02-25 2016-07-06 上海斐讯数据通信技术有限公司 Device for protecting antenna trace signal and manufacturing method of device
CN108954018A (en) * 2018-07-27 2018-12-07 北京目黑科技有限公司 A kind of laying method of pipe leakage sensing cable
CN109546505A (en) * 2018-12-24 2019-03-29 威创集团股份有限公司 A kind of electric wire and electric wire manufacture craft

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Application publication date: 20120516