CN206441553U - A kind of wire insulation mica tape - Google Patents
A kind of wire insulation mica tape Download PDFInfo
- Publication number
- CN206441553U CN206441553U CN201720144549.7U CN201720144549U CN206441553U CN 206441553 U CN206441553 U CN 206441553U CN 201720144549 U CN201720144549 U CN 201720144549U CN 206441553 U CN206441553 U CN 206441553U
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- Prior art keywords
- layer
- mica tape
- wire insulation
- polyester film
- utility
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- Insulation, Fastening Of Motor, Generator Windings (AREA)
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Abstract
The utility model is related to cable insulation material field, more particularly to a kind of wire insulation mica tape, the surface for being included in calcining mica paper layer passes through epoxy binder modified layer laminating laminated polyester film, polyester film layer surface is provided with glass layer, and the surface of glass layer is provided with modified poly ester hot melt adhesive layer；The utility model can ensure that insulating barrier has good long-term electrical life and excellent electrical strength in short-term；And do not result in damage in insulation have it is simple and reasonable, the advantages of cost low high temperature resistant.
Description
Technical field
The utility model is related to cable insulation material field, more particularly to a kind of wire insulation mica tape.
Background technology
The wire of motor is divided into the electrical conductor of internal layer and insulation two parts of outer layer, traditional wire insulation Rotating fields,
It is many with wrapped 1~2 layer of Kapton, wind the alkali-free glass wool containing insulated paint in outer layer afterwards, constitute exhausted outside conductor
Edge layer.Because fragility is presented in glass fiber in traditional structure, when stator manufacture, if glass fiber is easily broken easy during wire larger bending
Split, and glass fiber layer dielectric strength it is not high, easily cause insulation it is breakdown, so as to cause electrical fault.
Utility model content
In view of this, the utility model provides a kind of wire insulation mica tape, and the wire insulation mica tape is directed to above-mentioned skill
The technical scheme that art defect is used for：
A kind of wire insulation mica tape, wherein, the wire insulation mica tape includes：
Calcine mica paper layer, laminated polyester film, epoxy binder modified layer, modified poly ester hot melt adhesive layer and glass fibre
Layer；
The surface of the calcining mica paper layer is described by the epoxy binder modified layer laminating laminated polyester film
Polyester film layer surface is provided with the glass layer, and the surface of the glass layer is provided with modified poly ester PUR
Layer.
Preferably, above-mentioned wire insulation mica tape, wherein, the modified poly ester hot melt adhesive layer by melting gluing,
The surface of the glass layer is cooled down and is bonded in afterwards, and the weight of the modified poly ester PUR is 0.5~5g/m2。
Preferably, above-mentioned wire insulation mica tape, wherein, the calcining mica paper layer is quantification of 50~100g/
m2, thickness be 0.035mm~0.070mm calcining mica paper layer.
Preferably, above-mentioned wire insulation mica tape, wherein, laminated polyester film is quantification of 20~44g/m2, thickness
For 0.015mm~0.030mm laminated polyester film.
Preferably, above-mentioned wire insulation mica tape, wherein, the glass layer is quantification of 14~17g/m2,
Thickness is 0.020mm~0.030mm electrician's alkali-free glass fibre weft yarn and warp thread composite bed.
Above-mentioned technical proposal has the following advantages that or beneficial effect：
The half lap that wire insulation mica tape carries out 1~3 layer to conductor is wrapped, constitutes the insulating barrier outside conductor.With following
Advantage：A. due to the presence of mica, it is ensured that insulating barrier has good long-term electrical life；B. the presence of laminated polyester film is protected
Having demonstrate,proved insulating barrier has excellent electrical strength in short-term；C. when stator is manufactured, due to mica tape have good flexibility and
Extensibility, does not result in damage in insulation；D. the presence of PUR coating makes have good caking property between wire and wire；e.
Glass layer can carry out mica tape structural strengthening, and simple and reasonable, cost is low, with excellent resistance to elevated temperatures and resistance to combustion
Performance is burnt, service life is long, suitable a wide range of popularization and application.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, the utility model and its spy
Levy, profile and advantage will become more apparent.Identical mark indicates identical part in whole accompanying drawings.Can be by
Accompanying drawing is drawn according to ratio, it is preferred that emphasis is purport of the present utility model is shown.
Fig. 1 is the structural representation of the utility model wire insulation mica tape.
Embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings, but not as this practicality
New restriction.
As shown in figure 1, the utility model wire insulation mica tape concrete structure includes：
Calcine mica paper layer 1, laminated polyester film 3, epoxy binder modified layer 2, modified poly ester hot melt adhesive layer 5 and glass fibers
Tie up layer 4；
In embodiment of the present utility model, the surface for calcining mica paper layer 1 is poly- by the laminating of epoxy binder modified layer 2
Ester film layer 3, the surface of laminated polyester film 3 is provided with glass layer 4, and the surface of glass layer 4 is provided with modified poly ester heat
Melt layer 5.
In the optimal alternative of the utility model, modified poly ester hot melt adhesive layer is mainly by melting gluing, Zhi Houleng
But and the surface of glass layer is bonded in, the weight of modified poly ester PUR is 0.5~5g/m2。
It is preferred that, calcining mica paper layer is quantification of 50~100g/m2, thickness be 0.035mm~0.070mm calcining cloud
Female ply of paper.Laminated polyester film is quantification of 20~44g/m2, thickness be 0.015mm~0.030mm laminated polyester film；This practicality
It is new due to the presence of mica, it is ensured that insulating barrier has good long-term electrical life；The presence of laminated polyester film ensure that
Insulating barrier has excellent electrical strength in short-term；Particularly when stator is manufactured, due to mica tape have good flexibility and
Extensibility, does not result in damage in insulation.
Further, in embodiment of the present utility model, glass layer is quantification of 14~17g/m2, thickness is
0.020mm~0.030mm electrician is with alkali-free glass fibre weft yarn and warp thread composite bed.Glass layer is alkali-free glass fibre
Weft yarn and warp thread composite bed, can carry out mica tape structural strengthening, simple and reasonable, cost is low, with excellent heat-resisting quantity
Energy and flame resistance energy, service life are long, suitable a wide range of popularization and application.
In addition, anti-ultraviolet function and anti-skidding shifting function to increase the utility model wire insulation mica tape, it is preferred that
In embodiment of the present utility model, also coating is provided with ultra-violet layer and the purple on another surface of calcining mica paper layer
The polytetrafluoroethylene floor that outside line layer surface is set, ultraviolet resistant layer is the vinylite added with benzophenone, with anti-purple
Outside line effect, is adapted to use under strong light；Polytetrafluoroethylene (PTFE) lubricity is fine, surface energy is low, can play anti-well
Phorogenesis.
As can be seen here, the half lap that the wire insulation mica tape carries out 1~3 layer to conductor is wrapped, constitutes the insulation outside conductor
Layer.With advantages below：A. due to the presence of mica, it is ensured that insulating barrier has good long-term electrical life；B. polyester
The presence of film layer ensure that insulating barrier has excellent electrical strength in short-term；C. when stator is manufactured, due to mica tape have it is good
Good flexibility and extensibility, does not result in damage in insulation；D. the presence of PUR coating makes between wire and wire with good
Good caking property；E. glass layer can carry out mica tape structural strengthening, and simple and reasonable, cost is low, with excellent resistance to
High-temperature behavior and flame resistance energy, service life are long, suitable a wide range of popularization and application.
It should be appreciated by those skilled in the art that those skilled in the art combine prior art and above-described embodiment can be with
The change case is realized, be will not be described here.Such change case has no effect on substantive content of the present utility model, refuses herein
Repeat.
Preferred embodiment of the present utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, wherein the equipment and structure be not described in detail to the greatest extent are construed as using the common side in this area
Formula is practiced；Any those skilled in the art, in the case where not departing from technical solutions of the utility model ambit, may be used
Technical solutions of the utility model are made with many possible variations and modification using the methods and techniques content of the disclosure above, or is repaiied
The equivalent embodiment of equivalent variations is changed to, this has no effect on substantive content of the present utility model.Therefore, it is every without departing from this practicality
The content of new technique scheme, according to technical spirit of the present utility model to it is made for any of the above embodiments it is any it is simple modification, etc.
With change and modify, still fall within technical solutions of the utility model protection in the range of.
Claims (5)
1. a kind of wire insulation mica tape, it is characterised in that the wire insulation mica tape includes：
Calcine mica paper layer, laminated polyester film, epoxy binder modified layer, modified poly ester hot melt adhesive layer and glass layer；
The surface of the calcining mica paper layer passes through the epoxy binder modified layer laminating laminated polyester film, the polyester
Thin-film surface is provided with the glass layer, and the surface of the glass layer is provided with modified poly ester hot melt adhesive layer.
2. wire insulation mica tape according to claim 1, it is characterised in that the modified poly ester hot melt adhesive layer passes through molten
Melt gluing, cool down and be bonded in the surface of the glass layer afterwards, the weight of the modified poly ester PUR for 0.5~
5g/m2。
3. wire insulation mica tape according to claim 1, it is characterised in that the calcining mica paper layer is quantification of 50
~100g/m2, thickness be 0.035mm~0.070mm calcining mica paper layer.
4. wire insulation mica tape according to claim 1, it is characterised in that laminated polyester film is quantification of 20~44g/
m2, thickness be 0.015mm~0.030mm laminated polyester film.
5. wire insulation mica tape according to claim 1, it is characterised in that the glass layer is quantification of 14~
17g/m2, thickness is 0.020mm~0.030mm electrician's alkali-free glass fibre weft yarn and warp thread composite bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720144549.7U CN206441553U (en) | 2017-02-17 | 2017-02-17 | A kind of wire insulation mica tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720144549.7U CN206441553U (en) | 2017-02-17 | 2017-02-17 | A kind of wire insulation mica tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206441553U true CN206441553U (en) | 2017-08-25 |
Family
ID=59634016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720144549.7U Active CN206441553U (en) | 2017-02-17 | 2017-02-17 | A kind of wire insulation mica tape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206441553U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832746A (en) * | 2018-09-05 | 2018-11-16 | 中国长江动力集团有限公司 | Turn-to-turn insulation single-turn circular coil and rotor windings |
| CN111512520A (en) * | 2017-12-20 | 2020-08-07 | 西门子股份公司 | Insulation of sub-conductors of an electric machine |
-
2017
- 2017-02-17 CN CN201720144549.7U patent/CN206441553U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111512520A (en) * | 2017-12-20 | 2020-08-07 | 西门子股份公司 | Insulation of sub-conductors of an electric machine |
| CN111512520B (en) * | 2017-12-20 | 2023-04-04 | 弗兰德有限公司 | Insulation of sub-conductors of an electric machine |
| CN108832746A (en) * | 2018-09-05 | 2018-11-16 | 中国长江动力集团有限公司 | Turn-to-turn insulation single-turn circular coil and rotor windings |
| CN108832746B (en) * | 2018-09-05 | 2024-01-26 | 中国长江动力集团有限公司 | Inter-turn insulating single-turn coil and rotor winding |
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