CN107945995A - A kind of seamless winding lead of polyimide composite insulated - Google Patents
A kind of seamless winding lead of polyimide composite insulated Download PDFInfo
- Publication number
- CN107945995A CN107945995A CN201711198679.XA CN201711198679A CN107945995A CN 107945995 A CN107945995 A CN 107945995A CN 201711198679 A CN201711198679 A CN 201711198679A CN 107945995 A CN107945995 A CN 107945995A
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- CN
- China
- Prior art keywords
- sintering
- winding lead
- polyimide composite
- insulating layer
- conductor
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- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/10—Insulating conductors or cables by longitudinal lapping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
- H01B13/2613—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Organic Insulating Materials (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a kind of seamless winding lead of polyimide composite insulated, conductor is formed using more nickel plating copper wire concentric strandings, then polytetrafluoroethylene (PTFE) polyimides composite band wrapped formation inner insulating layer outside conductor is used, polytetrafluoroethylraw raw material band wrapped formation external insulation layer outside inner insulating layer is used again, finally carries out high temperature sintering.Pass through the seamless winding lead of the polyimide composite insulated of above-mentioned optimization design, polytetrafluoroethylene (PTFE) is coated on Kapton surface, effectively improve the performance of the electric arc of resistance to dry and wet of cable, at the same time around polytetrafluoroethylraw raw material band outside polyimides inner insulating layer, improve leakproofness, in addition by the way that working process parameter is in optimized selection, the combination reliability between external insulation layer is greatly improved, so as to improve the tight type of product insulating layer.
Description
Technical field
The present invention relates to field of cable technology, more particularly to a kind of seamless winding lead of polyimide composite insulated.
Background technology
As the slave aerospace big country of China progressively strides forward to power, in all kinds of advanced Aeronautics and Astronautics and electricity
Sub- military industry field sophisticated equipment requires matched cable also more and more stringenter.It is seamless to polyimide composite insulated wrapped
For conducting wire in addition to the various excellent properties with polyimide composite insulated electric wire, conductive line surfaces flat smooth, it is exhausted to reduce conducting wire
Short circuit current caused by phase mutual friction broken skin between edge layer, this has just triggered people seamless to conducting wire wrapped and material and system
Make the research of process relation.By designing good structure and technology controlling and process, conductive line surfaces flat smooth can be made, reduced
Mutual frictional force between conducting wire.
The content of the invention
To solve technical problem present in background technology, the present invention proposes that a kind of polyimide composite insulated is seamless wrapped
Conducting wire.
The seamless winding lead of a kind of polyimide composite insulated proposed by the present invention, is made through the following steps：
S1, using nickel plated copper wire concentric stranding be made conductor；
Wrapped formation inner insulating layer outside S2, the conductor formed in S1 using polytetrafluoroethylene (PTFE)-polyimides composite band,
The wrapped tension force of the polytetrafluoroethylene (PTFE)-polyimides composite band is F1, lay of lapping a；
Wrapped formation external insulation layer outside S3, the inner insulating layer formed in S2 using polytetrafluoroethylraw raw material band, is obtained
Conducting wire matrix, the wrapped tension force of the polytetrafluoroethylraw raw material band is F2, F2 ＜ F1, lay of lapping b, b ＜ a；
S4, the conducting wire matrix obtained to S3 carry out high temperature sintering, and the high-temperature sintering process includes pre- thermal sintering rank successively
Section, sintering sealing stage, sintering crystallization stage, the sintering temperature of the preheating sintering stage is T1, the sintering sealing stage
Sintering temperature be T2, it is described sintering crystallization stage sintering temperature be T3, T1 ＜ T3 ＜ T2.
Preferably, in S4, T1 is 440 DEG C -480 DEG C, and T2 is 560 DEG C -600 DEG C, and T3 is 530 DEG C -570 DEG C.
Preferably, T1 is 460 DEG C, and T2 is 580 DEG C, and T3 is 550 DEG C.
Preferably, in S1, the conductor includes the opposite inner conductor and outer contact of direction of lay, and the internal layer is led
Body is twisted using 7 nickel plated copper wires, and the outer contact is twisted using 12 nickel plated copper wires.
Preferably, the twisted lay ratio of the conductor is 10-12 times.
Preferably, 9mm ＜ a ＜ 11mm, 6.2mm ＜ b ＜ 8.2mm.
Preferably, the wrapped Duplication of the inner insulating layer and the external insulation layer is 50.5-54%.
Preferably, in S4, the gas in the inner insulating layer and the external insulation layer is arranged before high temperature sintering
Gas.
Preferably, in S4, smooth surface processing is carried out to product after high temperature sintering.
In the present invention, the seamless winding lead of polyimide composite insulated that is proposed is twisted with one heart using more nickel plating copper wires
Conjunction forms conductor, then using polytetrafluoroethylene (PTFE)-polyimides composite band outside conductor wrapped formation inner insulating layer, then use
Polytetrafluoroethylraw raw material band wrapped formation external insulation layer outside inner insulating layer, finally carries out high temperature sintering.Pass through above-mentioned optimization
The seamless winding lead of polyimide composite insulated of design, coats polytetrafluoroethylene (PTFE) on Kapton surface, effectively improves
The performance of the electric arc of resistance to dry and wet of cable, while outside polyimides inner insulating layer sealing is improved around polytetrafluoroethylraw raw material band
Property, in addition by the way that working process parameter is in optimized selection, greatly improves the combination reliability between external insulation layer, so that
Improve the tight type of product insulating layer.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of the seamless winding lead of polyimide composite insulated proposed by the present invention.
Embodiment
As shown in Figure 1, Fig. 1 is a kind of structural representation of the seamless winding lead of polyimide composite insulated proposed by the present invention
Figure.
With reference to Fig. 1, a kind of seamless winding lead of polyimide composite insulated proposed by the present invention, makes through the following steps
Into：
S1, using nickel plated copper wire concentric stranding be made conductor 1；
S2, the wrapped formation inner insulating layer in the outside of conductor 1 formed using polytetrafluoroethylene (PTFE)-polyimides composite band in S1
2, the wrapped tension force of the polytetrafluoroethylene (PTFE)-polyimides composite band is F1, lay of lapping a；
S3, the wrapped formation external insulation layer 3 in the outside of inner insulating layer 2 formed using polytetrafluoroethylraw raw material band in S2, are obtained
To conducting wire matrix, the wrapped tension force of the polytetrafluoroethylraw raw material band is F2, F2 ＜ F1, lay of lapping b, b ＜ a；
S4, the conducting wire matrix obtained to S3 carry out high temperature sintering, and the high-temperature sintering process includes pre- thermal sintering rank successively
Section, sintering sealing stage, sintering crystallization stage, the sintering temperature of the preheating sintering stage is T1, the sintering sealing stage
Sintering temperature be T2, it is described sintering crystallization stage sintering temperature be T3, T1 ＜ T3 ＜ T2.
In the present embodiment, the seamless winding lead of polyimide composite insulated proposed, it is same using more nickel plating copper wires
The heart is twisted to form conductor, then using polytetrafluoroethylene (PTFE)-polyimides composite band outside conductor wrapped formation inner insulating layer, then
Using polytetrafluoroethylraw raw material band outside inner insulating layer wrapped formation external insulation layer, finally carry out high temperature sintering.By above-mentioned
The seamless winding lead of polyimide composite insulated of optimization design, coats polytetrafluoroethylene (PTFE), effectively on Kapton surface
The performance of the electric arc of resistance to dry and wet of cable is improved, while is improved outside polyimides inner insulating layer around polytetrafluoroethylraw raw material band
Leakproofness, in addition by the way that working process parameter is in optimized selection, greatly improves the combination reliability between external insulation layer,
So as to improve the tight type of product insulating layer.
In a specific embodiment, in S4, in the specific design of sintering temperature, T1 is 440 DEG C -480 DEG C, and T2 is
560 DEG C -600 DEG C, T3 is 530 DEG C -570 DEG C, ensures that external insulation layer bonds after sintering, improves the close of product insulating layer
Property, further increases the reliability of insulation.
In the selection of further sintering temperature parameter, T1 is 460 DEG C, and T2 is 580 DEG C, and T3 is 550 DEG C.
In the specific stranded mode of conductor, in S1, the conductor 1 includes the opposite inner conductor and outer layer of direction of lay
Conductor, the inner conductor are twisted using 7 nickel plated copper wires, the outer contact be twisted using 12 nickel plated copper wires and
Into further, the twisted lay ratio of the conductor 1 is 10-12 times；Ensure the pliability of conductor, while prevent cable to be subject to
Cause conductor structure unstable during twisting power.
In inner insulating layer and specific in packet mode, 9mm ＜ a ＜ 11mm, the 6.2mm ＜ b ＜ 8.2mm of external insulation layer.
In other embodiments, the wrapped Duplication of the inner insulating layer 2 and the external insulation layer 3 is 50.5-
54%.
In order to further improve the quality of cable product, in S4, to the inner insulating layer 2 and described before high temperature sintering
Gas in external insulation layer 3 is exhausted so that insulating layer compactness is good.
In other embodiments, in S4, smooth surface processing is carried out to product after high temperature sintering.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of seamless winding lead of polyimide composite insulated, it is characterised in that be made through the following steps：
S1, conductor (1) is made of nickel plated copper wire concentric stranding；
S2, the exterior wrapped formation inner insulating layer of the conductor (1) formed using polytetrafluoroethylene (PTFE)-polyimides composite band in S1
(2), the wrapped tension force of the polytetrafluoroethylene (PTFE)-polyimides composite band is F1, lay of lapping a；
The exterior wrapped formation external insulation layer (3) of S3, the inner insulating layer (2) formed using polytetrafluoroethylraw raw material band in S2, is obtained
To conducting wire matrix, the wrapped tension force of the polytetrafluoroethylraw raw material band is F2, F2 ＜ F1, lay of lapping b, b ＜ a；
S4, the conducting wire matrix obtained to S3 carry out high temperature sintering, and the high-temperature sintering process includes preheating sintering stage, burns successively
Sealing stage, sintering crystallization stage are tied, the sintering temperature of the preheating sintering stage is T1, the sintering in the sintering sealing stage
Temperature is T2, and the sintering temperature of the sintering crystallization stage is T3, T1 ＜ T3 ＜ T2.
2. the seamless winding lead of polyimide composite insulated according to claim 1, it is characterised in that in S4, T1 is
440 DEG C -480 DEG C, T2 is 560 DEG C -600 DEG C, and T3 is 530 DEG C -570 DEG C.
3. the seamless winding lead of polyimide composite insulated according to claim 2, it is characterised in that T1 is 460 DEG C, T2
For 580 DEG C, T3 is 550 DEG C.
4. the seamless winding lead of polyimide composite insulated according to claim 1, it is characterised in that described in S1
Conductor (1) includes the opposite inner conductor and outer contact of direction of lay, the inner conductor be twisted using 7 nickel plated copper wires and
Into the outer contact is twisted using 12 nickel plated copper wires.
5. the seamless winding lead of polyimide composite insulated according to claim 4, it is characterised in that the conductor (1)
Twisted lay ratio be 10-12 times.
6. the seamless winding lead of polyimide composite insulated according to claim 1, it is characterised in that 9mm ＜ a ＜
11mm, 6.2mm ＜ b ＜ 8.2mm.
7. the seamless winding lead of polyimide composite insulated according to claim 1, it is characterised in that the inner insulating layer
(2) and the wrapped Duplication of the external insulation layer (3) is 50.5-54%.
8. the seamless winding lead of polyimide composite insulated according to claim 1, it is characterised in that in S4, in height
The gas in the inner insulating layer (2) and the external insulation layer (3) is exhausted before temperature sintering.
9. the seamless winding lead of polyimide composite insulated according to claim 1, it is characterised in that in S4, in height
Smooth surface processing is carried out to product after temperature sintering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711198679.XA CN107945995A (en) | 2017-11-26 | 2017-11-26 | A kind of seamless winding lead of polyimide composite insulated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711198679.XA CN107945995A (en) | 2017-11-26 | 2017-11-26 | A kind of seamless winding lead of polyimide composite insulated |
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| Publication Number | Publication Date |
|---|---|
| CN107945995A true CN107945995A (en) | 2018-04-20 |
Family
ID=61949867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711198679.XA Pending CN107945995A (en) | 2017-11-26 | 2017-11-26 | A kind of seamless winding lead of polyimide composite insulated |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899137A (en) * | 2018-07-02 | 2018-11-27 | 芜湖航天特种电缆厂股份有限公司 | Polyimide insulative cable and preparation method thereof |
| CN108899136A (en) * | 2018-07-02 | 2018-11-27 | 芜湖航天特种电缆厂股份有限公司 | The cable for improving the method for cable insulation stability and being prepared with this method |
| CN108899140A (en) * | 2018-07-02 | 2018-11-27 | 芜湖航天特种电缆厂股份有限公司 | Polyimides perfluoroethylene-propylene compound insulated cable and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101770831A (en) * | 2010-01-15 | 2010-07-07 | 上海特缆电工科技有限公司 | High-temperature resistant dual-layer insulating seamless lapped wire |
| CN201796638U (en) * | 2010-09-28 | 2011-04-13 | 淮南新光神光纤线缆有限公司 | Aerospace polyimide composite insulated cable |
| CN105355278A (en) * | 2015-11-10 | 2016-02-24 | 芜湖航天特种电缆厂股份有限公司 | Teflon and polyimides combined seamless-wrapping insulated cable for aviation and spaceflight and preparation method of cable |
| CN106710683A (en) * | 2017-03-10 | 2017-05-24 | 南京全信传输科技股份有限公司 | Polytetrafluoroethylene/polyimide compound insulating smooth type wire cable and preparation method thereof |
-
2017
- 2017-11-26 CN CN201711198679.XA patent/CN107945995A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101770831A (en) * | 2010-01-15 | 2010-07-07 | 上海特缆电工科技有限公司 | High-temperature resistant dual-layer insulating seamless lapped wire |
| CN201796638U (en) * | 2010-09-28 | 2011-04-13 | 淮南新光神光纤线缆有限公司 | Aerospace polyimide composite insulated cable |
| CN105355278A (en) * | 2015-11-10 | 2016-02-24 | 芜湖航天特种电缆厂股份有限公司 | Teflon and polyimides combined seamless-wrapping insulated cable for aviation and spaceflight and preparation method of cable |
| CN106710683A (en) * | 2017-03-10 | 2017-05-24 | 南京全信传输科技股份有限公司 | Polytetrafluoroethylene/polyimide compound insulating smooth type wire cable and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899137A (en) * | 2018-07-02 | 2018-11-27 | 芜湖航天特种电缆厂股份有限公司 | Polyimide insulative cable and preparation method thereof |
| CN108899136A (en) * | 2018-07-02 | 2018-11-27 | 芜湖航天特种电缆厂股份有限公司 | The cable for improving the method for cable insulation stability and being prepared with this method |
| CN108899140A (en) * | 2018-07-02 | 2018-11-27 | 芜湖航天特种电缆厂股份有限公司 | Polyimides perfluoroethylene-propylene compound insulated cable and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180420 |
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| RJ01 | Rejection of invention patent application after publication |