CN202677886U

CN202677886U - Transposition conducting wire

Info

Publication number: CN202677886U
Application number: CN 201220143977
Authority: CN
Inventors: 邹荣春
Original assignee: CHANGZHOU ZHONGLI COPPER INDUSTRY Co Ltd
Current assignee: CHANGZHOU ZHONGLI COPPER INDUSTRY Co Ltd
Priority date: 2012-04-09
Filing date: 2012-04-09
Publication date: 2013-01-16
Anticipated expiration: 2022-04-09

Abstract

The utility model discloses a transposition conducting wire, which comprises enameled rectangular copper wires and insulation tapes, the enameled rectangular copper wires with odd number can be divided into two rows by stacking on a wide surface, the transposition fitting is carried out along the direction of a narrow edge of at two rows of the enameled rectangular copper wires, the insulation tapes wraps the surface of the enameled rectangular copper wires which are mutually fitted, and the enameled rectangular copper wires comprise a flat copper conductor and an insulating layer coated on the surface of the flat copper conductor. The transposition conducting wire has the advantages of large insulation thickness, high mechanical strength, good electrical performance, strong short circuit resistant capability, strong coil fitting manufacturability and small winding occupation space, and is suitable for the winding materials of a high voltage and high capacity transformer.

Description

Transposed conductor

Technical field

The utility model relates to the wire application, particularly relates to a kind of transposed conductor.

Background technology

In order better to serve vast transformer user, also be the needs for high voltage, ultra-large capacity transformer quality, the quality of production of transposed conductor and the requirement of production performance have also been improved greatly.

Because the restriction of transposed conductor structure, its surface can only be carried out lapped insulation paper one time in process of production.Insulation thickness after wrapped often can not satisfy the needs of high voltage, ultra-large capacity transformer winding.

The utility model content

The technical problem that the utility model mainly solves provides a kind of transposed conductor, and mechanical strength is high, good electric property, insulation thickness increases greatly, and anti-short circuit capability is strong, and the coil winding manufacturability is strong, winding takes up room little, can be applicable to the winding material of high voltage, high-power transformer.

For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of transposed conductor is provided, comprise: enameling copper strap wire and insulating paper strip, described odd number root enameling copper strap wire is stacked by wide face and forms two row, in the narrow edge direction of the two row enameling copper strap wires strand system that replaces, the wrapped enameling copper strap wire surface mutually twisting system of insulating paper strip, enameling copper strap wire comprises flat copper conductor and the insulating barrier that is coated in the flat copper conductive surface.

In preferred embodiment of the utility model, the thickness of described insulating paper strip is 4 ~ 4.8mm, and the wrapped number of plies of insulating paper strip is 16 ~ 32 layers.

In preferred embodiment of the utility model, the wrapped mode of described insulating paper strip comprise overlapping wrapped, the gap is wrapped, gap, the wrapped intermediate layer of inside and outside two superimposed is wrapped, the lamellar spacing is wrapped in the two outside layers embedding bag.

In preferred embodiment of the utility model, described wrapped overlapping width is more than or equal to 2mm, and gap width is 0 ~ 2mm.

In preferred embodiment of the utility model, described insulating paper strip is high-density paper, heat-resisting paper, Dan Nisong paper or nonwoven fabrics.

In preferred embodiment of the utility model, the insulating barrier of described flat copper conductive surface comprises one or both insulating varnish of 5 ~ 13 layers of coatings, and insulating varnish comprises acetal paint, self-adhesion lacquer or modified poly ester lacquer.

The beneficial effects of the utility model are: transposed conductor of the present utility model has good electric property, and mechanical strength is high, and insulation thickness increases greatly, anti-short circuit capability is strong, coil winding technique is strong, and winding takes up space little, can be used as the excellent material of high voltage, high-power transformer winding.

Description of drawings

Fig. 1 is the structural representation of the utility model transposed conductor one preferred embodiment;

Fig. 2 is the cutaway view of Fig. 1;

The mark of each parts is as follows in the accompanying drawing: 1, enameling copper strap wire, 2, insulating paper strip.

Embodiment

Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that protection range of the present utility model is made more explicit defining.

See also Fig. 1 to Fig. 2, the utility model embodiment comprises:

A kind of transposed conductor comprises: enameling copper strap wire 1 and insulating paper strip 2.

Transposed conductor is stacked by wide face by odd number root enameling copper strap wire 1 and forms two row, and in the narrow edge direction of the two row enameling copper strap wires 1 strand system that replaces, then insulating paper strip 2 is wrapped makes on mutual enameling copper strap wire 1 surfaces of strand system.

Wherein, enameling copper strap wire 1 comprises flat copper conductor and the insulating barrier that is coated in the flat copper conductive surface.The insulating barrier of described flat copper conductive surface comprises one or both insulating varnish of 5 ~ 13 layers of coatings.

Particularly, insulating varnish comprises acetal paint, self-adhesion lacquer or modified poly ester lacquer, can guarantee the high and good insulation property of stable chemical performance, mechanical strength of enameling copper strap wire.The kind of insulating varnish is different, and attribute is not identical yet, thereby goes for multiple

Described insulating paper strip 2 is high-density paper, heat-resisting paper, Dan Nisong paper or nonwoven fabrics.Insulating paper strip 2 is wrapped enameling copper strap wire surface mutually twisting system successively, and the thickness of insulating paper strip 2 is 4mm ~ 4.8mm, and the wrapped number of plies of insulating paper strip 2 is 16 ~ 32 layers.

At most can disposable wrapped 32 layers of insulating paper strip 2, total insulation thickness can reach 4.8mm.Its insulation thickness increases greatly, has guaranteed good electric property, and anti-short circuit capability is strong.

The modes such as particularly, the wrapped mode of insulating paper strip 2 comprises all overlapping wrapped, and all gaps are wrapped, and inside and outside two superimposed is wrapped, the gap, intermediate layer is wrapped, and two outside layers embedding bag, interior lamellar spacing are wrapped.

Wherein, wrapped overlapping width is more than or equal to 2mm, and gap width is 0 ~ 2mm, can adopt the wrapped mode of intersection of both forward and reverse directions.

The beneficial effect of transposed conductor of the present utility model is:

Insulation thickness increases greatly, and mechanical strength is high, good electric property, and anti-short circuit capability is strong, and the coil winding manufacturability is strong, and winding takes up room little, goes for the winding material of high voltage, high-power transformer.

The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.

Claims

1. transposed conductor, it is characterized in that, comprise: enameling copper strap wire and insulating paper strip, described odd number root enameling copper strap wire is stacked by wide face and forms two row, in the narrow edge direction of the two row enameling copper strap wires strand system that replaces, the wrapped enameling copper strap wire surface mutually twisting system of insulating paper strip, enameling copper strap wire comprises flat copper conductor and the insulating barrier that is coated in the flat copper conductive surface.

2. transposed conductor according to claim 1 is characterized in that, the thickness of described insulating paper strip is 4 ~ 4.8mm, and the wrapped number of plies of insulating paper strip is 16 ~ 32 layers.

3. transposed conductor according to claim 1 is characterized in that, the wrapped mode of described insulating paper strip comprise overlapping wrapped, the gap is wrapped, gap, the wrapped intermediate layer of inside and outside two superimposed is wrapped, the lamellar spacing is wrapped in the two outside layers embedding bag.

4. transposed conductor according to claim 3 is characterized in that, described wrapped overlapping width is more than or equal to 2mm, and gap width is 0 ~ 2mm.

5. transposed conductor according to claim 1 is characterized in that, described insulating paper strip is high-density paper, heat-resisting paper, Dan Nisong paper or nonwoven fabrics.

6. transposed conductor according to claim 1 is characterized in that, the insulating barrier of described flat copper conductive surface comprises one or both insulating varnish of 5 ~ 13 layers of coatings, and insulating varnish comprises acetal paint, self-adhesion lacquer or modified poly ester lacquer.