CN102446585A - H-level enclosed-type motor lead wire - Google Patents
H-level enclosed-type motor lead wire Download PDFInfo
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- CN102446585A CN102446585A CN2011104522914A CN201110452291A CN102446585A CN 102446585 A CN102446585 A CN 102446585A CN 2011104522914 A CN2011104522914 A CN 2011104522914A CN 201110452291 A CN201110452291 A CN 201110452291A CN 102446585 A CN102446585 A CN 102446585A
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- braiding layer
- lead wire
- braid
- lapping layer
- motor lead
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- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The invention relates to an H-level enclosed-type motor lead wire, wherein an inner braiding layer, an inner taped covering, an outer taped covering and an outer braiding layer are sequentially wrapped on the outer side of a metal conductor, wherein the inner braiding layer and the outer braiding layer are formed by the braiding of polyphenylene terephthalamide (aramid fiber) fibers; the inner taped covering is formed by twining the inner braiding layer by thin film strips which are prepared from polyfluortetraethylene; and the outer taped covering is formed by twining the inner taped covering by thin film strips which are prepared from polyimide. According to the invention, polyfluortetraethylene and polyimide are adopted to act as materials of the taped coverings, because polyfluortetraethylene and polyimide have favorable chemical stability, and the high-temperature-resistant properties are better than those of PET (polyethylene terephthalate), and the material of the inner braiding layer and the outer braiding layer, namely the polyphenylene terephthalamide (aramid fiber) fiber not only has favorable chemical stability and high-temperature-resistant property, but also has favorable mechanical property, the H-level enclosed-type motor lead wire is completely suitable for being applied to the occasions of high-temperature high-pressure refrigerants and lubrication oil of enclosed-type motors.
Description
Technical field
The present invention relates to field of cables, especially a kind of H level enclosed motor lead wire.
Background technology
The structure and the material of enclosed motor lead wire are at present: insulating barrier is the inside and outside layer of polyster fibre braiding, wrapped again laminated polyester film in the middle of the inside and outside layer.The material of polyster fibre and polyester film is PET (PET) (or PETG), and the temperature resistant grade of this kind material is up to 125 ℃, can not be used for the enclosed motor lead wire of higher temperature grade.
When polyester raw material is used to freeze the insulation of impervious machine, need oligomer content very low, otherwise receive the infiltration of lubricating oil and refrigerant, oligomer is easy to extracted, and causes electrical fault.The fusing point of PET is lower, and hot property is relatively poor, in 180 ℃ of dry airs, places after 10 hours; It is very crisp that PET under equal conditions will become, and oligomer is than higher, and PET is to organic solution and chemicals poor stability in addition; Under actual serviceability temperature; It is more to separate out oligomer, and resistance to water is also relatively poor, does not meet the requirement of the external integument of high-temperature grade refrigeration impervious machine enclosed motor lead wire.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, the H level enclosed motor that a kind of thermal endurance is strong, compatibility is good lead wire is provided.
The present invention solves its technical problem and realizes through following technical scheme:
A kind of H level enclosed motor lead wire; Interior lapping layer, outer lapping layer by in the middle of metallic conductor, interior braid, outer braid and the inside and outside braid are formed; The metallic conductor outside is the interior braid of parcel, interior lapping layer, outer lapping layer, outer braid successively; Said inside and outside braid is to be formed by PPTA (aramid fiber) fibrage; Interior lapping layer is that braid forms in being twined by the film band that polytetrafluoroethylene forms, and outer lapping layer is that lapping layer forms in being twined by the film band that polyimides forms.
Advantage of the present invention and beneficial effect are:
1, the present invention adopts polytetrafluoroethylene and the polyimides material as lapping layer; Because polytetrafluoroethylene and polyimides have good chemical stability; Resistance to elevated temperatures is better than PET, and the material PPTA (aramid fiber) of inside and outside braid not only has good chemical stability, resistance to elevated temperatures, and it is intact also to have the favorable mechanical performance; Thereby product is adapted at using under the occasion of cold-producing medium and lubricating oil of high temperature, high pressure of enclosed motor fully.
2, the polytetrafluoroethylene and the PPTA of the present invention's employing are strong polar material, and intermolecular adhesion is bigger; The molecular weight of polyimides is relatively large, and under actual serviceability temperature, the tendency of separating out oligomer is little.
3, the mechanical performance of the PPTA that uses of the present invention is good, and the lead wire skin that is woven into aramid fiber has good abrasion resistance, helps narrow and small and have the occasion of wear-resisting requirement to use in the space.
4, the present invention adopts polytetrafluoroethylene and the polyimides material as lapping layer; Main insulating layer as lead wire; The application of two kinds of materials all improves insulation property and withstand voltage properties than the individual layer insulation; Compare with the individual layer lapped insulation, the present invention is particularly useful for the bigger lead wire of sectional area ratio.
5, polytetrafluoroethylene, polyimides and the PPTA of the present invention's use all are the insulating material of excellent insulation performance; Wherein the long-term work temperature of polytetrafluoroethylene reaches 250 ℃ of levels; The long-term work temperature of PPTA reaches 220 ℃ of levels; The long-term work temperature of polyimides reaches 180 ℃ more than the level, is used for the requirement that the enclosed motor lead wire can reach 180 ℃ of levels fully.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Through specific embodiment the present invention is made further detailed description below, following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
A kind of H level enclosed motor lead wire; Interior lapping layer 3, outer lapping layer 4 by in the middle of metallic conductor 1, interior braid 2, outer braid 5 and the inside and outside braid are formed; The metallic conductor outside is the interior braid of parcel, interior lapping layer, outer lapping layer, outer braid successively; Said inside and outside braid is to be formed by the fibrage that PPTA (aramid fiber) is processed; Interior lapping layer is that braid forms in being twined by the film band that polytetrafluoroethylene forms, and outer lapping layer is that lapping layer forms in being twined by the film band that polyimides forms.
Polytetrafluoroethylene, PPTA and polyimides that the present invention uses all have good chemical stability, and excellent insulation performance, thermal endurance reach the requirement of H (180 ℃) class F insulation; Aramid fiber has good chemical stability, resistance to elevated temperatures, also has the favorable mechanical performance.
Claims (1)
1. H level enclosed motor lead wire; Interior lapping layer, outer lapping layer by in the middle of metallic conductor, interior braid, outer braid and the inside and outside braid are formed; The metallic conductor outside is the interior braid of parcel, interior lapping layer, outer lapping layer, outer braid successively; It is characterized in that: said inside and outside braid is to be formed by Fanglun 1414's braiding; Interior lapping layer is that braid forms in being twined by the film band that polytetrafluoroethylene forms, and outer lapping layer is that lapping layer forms in being twined by the film band that polyimides forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110452291.4A CN102446585B (en) | 2011-12-29 | 2011-12-29 | H-level enclosed-type motor lead wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110452291.4A CN102446585B (en) | 2011-12-29 | 2011-12-29 | H-level enclosed-type motor lead wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102446585A true CN102446585A (en) | 2012-05-09 |
| CN102446585B CN102446585B (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110452291.4A Active CN102446585B (en) | 2011-12-29 | 2011-12-29 | H-level enclosed-type motor lead wire |
Country Status (1)
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| CN (1) | CN102446585B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5262592A (en) * | 1991-02-19 | 1993-11-16 | Champlain Cable Corporation | Filter line cable featuring conductive fiber shielding |
| JPH09270207A (en) * | 1996-04-01 | 1997-10-14 | Hitachi Cable Ltd | Elastic cable excellent in terminal workability |
| US20040140120A1 (en) * | 2000-11-21 | 2004-07-22 | Wolfgang Dlugas | Electrical cable |
| CN2697792Y (en) * | 2004-04-29 | 2005-05-04 | 天津六○九电缆有限公司 | High-temp. resisting composite insulation light soft wire |
| CN2932809Y (en) * | 2006-06-29 | 2007-08-08 | 天津市华之阳特种线缆有限公司 | Double-insulation double-braided motor winding lead wire |
| WO2009109216A1 (en) * | 2008-03-03 | 2009-09-11 | Abb Research Ltd | Electrical hollow core insulator |
| CN201345234Y (en) * | 2009-01-14 | 2009-11-11 | 安徽龙庵电缆集团有限公司 | Flexible and movable cable |
| CN201489874U (en) * | 2009-07-30 | 2010-05-26 | 安徽明星电缆有限公司 | High-strength, high temperature resistant and corrosion resistant silicone rubber movable flexible cable |
| CN201570298U (en) * | 2009-11-25 | 2010-09-01 | 致恒(天津)实业有限公司 | Ultra-soft helical cable |
| CN201698801U (en) * | 2010-06-23 | 2011-01-05 | 江阴福特电缆有限公司 | Silicon rubber insulation flexible cable for wind turbine connection |
| CN202473357U (en) * | 2011-12-29 | 2012-10-03 | 天津市华之阳特种线缆有限公司 | H-level enclosed motor lead wire |
-
2011
- 2011-12-29 CN CN201110452291.4A patent/CN102446585B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5262592A (en) * | 1991-02-19 | 1993-11-16 | Champlain Cable Corporation | Filter line cable featuring conductive fiber shielding |
| JPH09270207A (en) * | 1996-04-01 | 1997-10-14 | Hitachi Cable Ltd | Elastic cable excellent in terminal workability |
| US20040140120A1 (en) * | 2000-11-21 | 2004-07-22 | Wolfgang Dlugas | Electrical cable |
| CN2697792Y (en) * | 2004-04-29 | 2005-05-04 | 天津六○九电缆有限公司 | High-temp. resisting composite insulation light soft wire |
| CN2932809Y (en) * | 2006-06-29 | 2007-08-08 | 天津市华之阳特种线缆有限公司 | Double-insulation double-braided motor winding lead wire |
| WO2009109216A1 (en) * | 2008-03-03 | 2009-09-11 | Abb Research Ltd | Electrical hollow core insulator |
| CN201345234Y (en) * | 2009-01-14 | 2009-11-11 | 安徽龙庵电缆集团有限公司 | Flexible and movable cable |
| CN201489874U (en) * | 2009-07-30 | 2010-05-26 | 安徽明星电缆有限公司 | High-strength, high temperature resistant and corrosion resistant silicone rubber movable flexible cable |
| CN201570298U (en) * | 2009-11-25 | 2010-09-01 | 致恒(天津)实业有限公司 | Ultra-soft helical cable |
| CN201698801U (en) * | 2010-06-23 | 2011-01-05 | 江阴福特电缆有限公司 | Silicon rubber insulation flexible cable for wind turbine connection |
| CN202473357U (en) * | 2011-12-29 | 2012-10-03 | 天津市华之阳特种线缆有限公司 | H-level enclosed motor lead wire |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102446585B (en) | 2015-05-20 |
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