CN102354554B - Aluminum flat wire wrapped with polyaramide paper - Google Patents
Aluminum flat wire wrapped with polyaramide paper Download PDFInfo
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- CN102354554B CN102354554B CN 201110283557 CN201110283557A CN102354554B CN 102354554 B CN102354554 B CN 102354554B CN 201110283557 CN201110283557 CN 201110283557 CN 201110283557 A CN201110283557 A CN 201110283557A CN 102354554 B CN102354554 B CN 102354554B
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- nomex
- insulation layer
- polyaramide
- paper
- insulating barrier
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Abstract
The invention relates to an aluminum flat wire wrapped with polyaramide paper, and the aluminum flat wire provided by the invention comprises a soft aluminum flat conductor, a polyaramide insulating paper insulation layer and a sized paper insulation layer, wherein the polyaramide insulating paper insulation layer and the sized paper insulation layer are sequentially coated on the outer surface of the soft aluminum flat conductor, and then coiled and wound through a traction device, thus forming a compound insulation layer. The thickness of the compound insulation layer is 0.19-0.26mm. The polyaramide insulating paper is adopted as the insulating paper insulation layer. The thickness of the polyaramide insulating paper insulation layer is 0.08-0.12mm. The thickness of the sized paper insulation layer is 0.11-0.15mm. The soft aluminum flat conductor forms an aluminum single wire core by virtue of continuous extrusion of an aluminum rod. The aluminum flat wire is compact and reasonable in structure; the electrical properties and mechanical strength performance of a winding wire are greatly improved, the anti-deformation capability and the anti-impact capability are higher, the coil of a winding is small in volume, light in weight, large in current carrying capacity and small in loss, and the using functions and service life of a product can be further improved; and the safe, steady and high-speed driving of a maglev train can be also ensured.
Description
Technical field
The present invention relates to a kind of Nomex Nomex paper-covered flat aluminum wire, is specifically a kind of high insulation stability, high deformation resistance, paper-covered flat aluminum wire that shock resistance is strong, belongs to coil windings line technology field.
Background technology
The driving arrangement of magnetic suspension train is synchronous linear electric motor, because train is that non-contacting traction and braking and the speed of service are fast, so the electromagnetism winding in motor has been proposed to unconventional specific (special) requirements.When the electromagnetism winding moves, can produce powerful load, can be subject to the severe impact of external environment simultaneously.In existing technology, the structure of common paper coated aluminum flat wire is wrapped two layers of general fibre insulating paper on aluminium conductor, the conventional paper coated aluminum flat wire is for Transformer Winding, arrange relatively fixing, and aluminum flat wire wrapped with polyaramide paper is sports equipment for magnetic suspension train, with the common transformer winding, compare, environment for use is more severe, shows as that space is little, temperature is high, vibrations are large.Project organization is also very special: volume is little, and it is large that ampacity is wanted, and loss is little, and it is high that heatproof is wanted, and it is high that mechanical strength is wanted, and crooked pliability will be got well, and the consistency of product combination property is stronger, and size Control is more accurate.
Summary of the invention
The object of the invention is to overcome above-mentioned weak point, thereby a kind of aluminum flat wire wrapped with polyaramide paper be provided,
shouldthe aluminium conductor of flat aluminium wire is soft state electrical property excellence and winding is easy to moulding; Insulating barrier is thin and dielectric strength is high; Deformation resistance and shock resistance are high by force; Product size is controlled accurate; The product combination property
According to technical scheme provided by the invention, aluminum flat wire wrapped with polyaramide paper comprises soft aluminium flat conductor, Nomex insulating paper insulating barrier, sized paper insulating barrier; The appearance of described soft aluminium flat conductor is wrapped successively and is carried out Nomex insulating paper insulating barrier and sized paper insulating barrier, through coiling on pulling equipment around forming composite insulation layer.
The thickness of described composite insulation layer is 0.19～0.26mm.
The insulating paper insulating barrier is Nomex Nomex insulating paper.The thickness of described Nomex insulating paper insulating barrier is 0.08～0.12mm.
The thickness of described sized paper insulating barrier is 0.11～0.15mm.
Described soft aluminium flat conductor by the aluminium bar through the continuously extruded aluminium single line core that forms.
Compared with the prior art the present invention has the following advantages:
Compact conformation of the present invention, reasonable; Electrical property, the mechanical strength properties of winding wire significantly improve, and have higher resistance to deformation, impact resistance, and the winding volume of winding is little, lightweight, and ampacity is large, and loss is little, and can improve product and use function and useful life; Can guarantee that magnetic suspension train is safe, steady, run at high speed.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is structural perspective of the present invention.
Embodiment
Following the present invention is further described in connection with the embodiment in accompanying drawing:
As shown in Fig. 1～Fig. 2, comprise soft aluminium flat conductor 1, Nomex insulating paper insulating barrier 2, sized paper insulating barrier 3.
Described light-duty soft aluminium flat conductor 1 by the aluminium bar through the continuously extruded aluminium single line core that forms of extrusion die, coat successively again Nomex Nomex insulating paper insulating barrier 2 and Nomex sized paper insulating barrier 3, coil on pulling equipment around forming composite insulation layer, make soft aluminium flat conductor 1 and Nomex sized paper insulating barrier 3 compound inslations form one.The thickness of described composite insulation layer is 0.19 ~ 0.26mm.
Described Nomex Nomex insulating paper insulating barrier 2 is Nomex Nomex insulating paper, and the thickness of described Nomex insulating paper insulating barrier 2 is 0.08 ~ 0.12mm, and the thickness of described Nomex sized paper insulating barrier 3 is 0.11 ~ 0.15mm.Described sized paper insulating barrier 3 is the Nomex gluing machine.Nomex Nomex insulating paper, Nomex gluing machine are market and purchase.
The electrical property of described Nomex Nomex paper-covered flat aluminum wire: the withstand voltage level of 10 samples of puncture voltage all is greater than 900V; Mechanical performance: (1) tensile strength 70～95Mpa; (2) elongation: under 250mm length condition, elongation is greater than 25%; (3) pliability: on the coupon of diameter 60mm, along broadside, reel, insulating barrier does not ftracture; (4) lapping: paper tape is even, tight, smooth, wrapped precision ± 0.05mm.
Add man-hour, described soft aluminium flat conductor 1, after continuously extruded high-temperature molding, then is aligned shaping.Nomex Nomex insulating paper insulating barrier 2, Nomex sized paper insulating barrier 3 are coated on the outer surface of soft aluminium flat conductor 1 successively.Adopt Supersonic, control in real time the wrapped tension force of insulating barrier, reach wrapped even, tight, smooth, the effect of wrapped precision ± 0.05mm.Through coil on pulling equipment around aluminum flat wire wrapped with polyaramide paper.
Nomex Nomex paper-covered flat aluminum wire has been compared following break-through point with the common paper coated aluminum flat wire: the first, and adopt soft state flat aluminium wire to make conductor, the bending property of wire is more excellent, and winding is easy to moulding, can reduce volume, improves copper factor.The second, adopt soft state flat aluminium wire to make conductor, resistivity is from 0.02800 Ω mm
2the controlled 0.02780 Ω mm that is made as of/m
2/ m and following, can reduce winding resistance and reduce loss, meets the target product designing requirement.The 3rd, this product adopts Nomex Nomex paper to make primary insulation, has stronger intrinsic dielectric strength (improving more than 10 times), thus from the design of product winding construction, but in the reinforced insulation performance attenuate insulation thickness; Improve gas permeability and the thermal diffusivity of winding when dwindling winding volume; When being brought up to H level (180 ℃) from E level (120 ℃), the product temperature resistant grade improves product useful life.The 4th, this product adopts the Nomex sized paper to do outer layer insulation, utilizes the high strength bond of Nomex sized paper, and the coil of coiling makes coil non-deformability, shock resistance strengthen after hot setting.The 5th, product adopts Supersonic in insulation in the wrapped course of processing, controls in real time the wrapped tension force of insulating barrier, make the wrapped precision of insulating barrier from routine ± bring up to ± 0.05mm of 0.1mm, reach wrapped even overall dimension and control accurate effect.
Claims (1)
1. an aluminum flat wire wrapped with polyaramide paper, comprise soft aluminium flat conductor (1), Nomex Nomex insulating paper insulating barrier (2), Nomex sized paper insulating barrier (3); Described Nomex Nomex insulating paper insulating barrier (2), Nomex sized paper insulating barrier (3) are coated on the outer surface of soft aluminium flat conductor (1) successively; Form composite insulation layer through reeling; It is characterized in that: described Nomex Nomex insulating paper insulating barrier (2) is made primary insulation; Described Nomex sized paper insulating barrier (3) is made outer layer insulation; The thickness of described composite insulation layer is 0.19 ~ 0.26mm; The thickness of described Nomex Nomex insulating paper insulating barrier (2) is 0.08 ~ 0.12mm; The thickness of described Nomex sized paper insulating barrier (3) is 0.11 ~ 0.15mm;
Described soft aluminium flat conductor (1) by the aluminium bar through the continuously extruded aluminium single line core that forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110283557 CN102354554B (en) | 2011-09-22 | 2011-09-22 | Aluminum flat wire wrapped with polyaramide paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110283557 CN102354554B (en) | 2011-09-22 | 2011-09-22 | Aluminum flat wire wrapped with polyaramide paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102354554A CN102354554A (en) | 2012-02-15 |
| CN102354554B true CN102354554B (en) | 2013-12-18 |
Family
ID=45578094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110283557 Active CN102354554B (en) | 2011-09-22 | 2011-09-22 | Aluminum flat wire wrapped with polyaramide paper |
Country Status (1)
| Country | Link |
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| CN (1) | CN102354554B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104934117A (en) * | 2015-06-29 | 2015-09-23 | 深圳市沃尔核材股份有限公司 | Aramid fiber lapped wire and production method thereof |
| CN114141439B (en) * | 2021-11-30 | 2024-06-21 | 天津经纬辉开光电股份有限公司 | Processing and manufacturing method of diamond grid double-sided dispensing heat-resistant paper-covered aluminum flat wire for wind power transformer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201845596U (en) * | 2010-11-02 | 2011-05-25 | 上海中马电磁线有限公司 | Paper-covered flat aluminum wire |
| CN201893145U (en) * | 2010-11-16 | 2011-07-06 | 上海申茂电磁线有限公司 | Paper covered flat aluminium wire |
| CN202275635U (en) * | 2011-09-22 | 2012-06-13 | 无锡统力电工有限公司 | Aromatic polyamide paper covered flat aluminum wire |
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2011
- 2011-09-22 CN CN 201110283557 patent/CN102354554B/en active Active
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| Publication number | Publication date |
|---|---|
| CN102354554A (en) | 2012-02-15 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Address after: 214196, No. 22, Gong Gong Road, Donggang Town, Xishan District, Jiangsu, Wuxi Patentee after: WUXI TOLY ELECTRIC MAGNET WORK CO., LTD. Address before: 214196 A District, Donggang Town, Xishan District, Jiangsu, Wuxi Patentee before: Wuxi Toly Electric Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214196, No. 22, Gong Gong Road, Donggang Town, Xishan District, Jiangsu, Wuxi Patentee after: WUXI TOLY ELECTRIC MAGNET WORK Co.,Ltd. Address before: 214196, No. 22, Gong Gong Road, Donggang Town, Xishan District, Jiangsu, Wuxi Patentee before: WUXI TOLY ELECTRIC WORKS Co.,Ltd. |