CN206098107U - Transposed conductor - Google Patents

Abstract

The utility model discloses a transposed conductor, including flat copper wires, flat copper wires's surface scribbles the insulated paint layer, flat copper wires presses wide facial features and folds two formation, and just the two narrow limit directions that are listed as flat copper wires replace to twist to make and constitute the sinle silk that replaces, be equipped with the slip sheet between flat copper wires's row, the outer surface coating matcoveredn of transposition sinle silk, the protective layer by the sour amine insulated paper of polyester guipure, shielded wire layer and fragrant adoption, carries out mutual position through the simple root conductor who gets up the combination according to certain range law and pitch and exchanges from inside to outside, has realized the at utmost and has guaranteed that internal conductor length is unanimous, protective layer through the outer parcel of transposition sinle silk makes insulation thickness greatly increased, anti short circuit ability reinforce, and the security improves greatly, shielding structure through the shielded wire layer has the characteristics of shock -resistant, resistant excessive pressure, the life that has realized the transformer improve with the stability that keeps the supply network.

Description

A kind of transposed conductor

Technical field

The utility model is related to electric locomotive technical field, specially a kind of transposed conductor.

Background technology

With the high speed development of electric locomotive, large-capacity power locomotive transformer, the sectional area of winding conducting wire also will be by one Certainty ratio increases, but due to by electrical loss index, the multifactorial restriction such as wire manufacturing condition and user's use condition, Especially big sectional plane product wire can not possibly be produced, then considers a plurality of conductor combination gets up to use, but during due to coiling The inside and outside lateral bending bilge radius of wire are different, and the length for causing solid conductor is different, so that the electrical loss of each wire is different, Produce pressure drop also to differ.To solve this problem, transposed conductor is so just generated；In addition existing transposed conductor is due to knot The restriction of structure, in process of production its surface can only carry out a lapped insulation paper.Insulation thickness after wrapped tends not to full The needs of sufficient high voltage, ultra-large capacity transformer winding；During power Transmission, often because operation and weather reason are produced Overvoltage easily damage transformer, not only reduce the service life of transformer, also affect supply network to stablize.

Utility model content

The purpose of this utility model is to provide a kind of transposed conductor, to solve the problems, such as above-mentioned background technology in propose.

For achieving the above object, the utility model provides following technical scheme：A kind of transposed conductor, including flat copper wire, The outer surface of the flat copper wire scribbles insulating lacquer layer, and the flat copper wire is stacked to form two row by wide face, and two row flat coppers The narrow edge direction of line carries out the process composition transposition core that replaces, and lining paper, the transposition core are provided between the row of the flat copper wire Outer surface parcel matcoveredn, the protective layer from inside to outside by polyester webs band, shielding line layer and aramid insulate Paper is constituted.

Preferably, the flat copper wire of the same row is formed by heat bonding.

Preferably, the insulating lacquer layer includes poly-vinegar imines enamelled coating and poly- phthalein amine phthalimide resin enamelled coating.

Preferably, width of the pitch of transposition less than 15 flat copper wires.

Preferably, the quantity of the flat copper wire is odd number.

Preferably, the corner of the protective layer is fillet.

Preferably, the shielding line layer is metallic shield net.

Compared with prior art, the beneficial effects of the utility model are：By by the solid conductor for combining by certain Arrangement regulation and pitch carry out mutual alignment exchange, realize and at utmost ensure that inner lead length unanimously, using transposition The transformer of wire can significantly reduce volume, reduce loss；By the polyester webs band in the protective layer of the core outer wrapping that replaces Insulation thickness is greatly increased with aramid insulating paper, anti-short circuit capability is strong, and security is greatly improved；By shielding line Layer shielding construction have impact resistance, it is resistance to over-pressed the characteristics of, realize transformer service life improve and keep supply network Stablize.

Description of the drawings

Fig. 1 is structural representation of the present utility model.

In figure：1- flat copper wires；2- insulating lacquer layers；3- lining papers；4- protective layers；41- polyester webs bands；42- shielding line layers； 43- aramid insulating papers.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of the utility model protection.

Fig. 1 is referred to, the utility model provides a kind of technical scheme：A kind of transposed conductor, including flat copper wire 1, it is described The outer surface of flat copper wire 1 scribbles insulating lacquer layer 2, makes per share flat copper wire 1 insulate each other, prevents short circuit, the flat copper Line 1 is stacked to form two row by wide face, and the narrow edge direction of two row flat copper wires 1 carries out the process composition transposition core that replaces, maximum Degree ensure that inner lead length is consistent, and using the transformer of transposed conductor volume can be significantly reduced, and reduce loss, described Lining paper 3 is provided between the row of flat copper wire 1, the outer surface parcel matcoveredn 4 of the transposition core can protect transposition core, The protective layer 4 is from inside to outside by polyester webs band 41, shielding line layer 42 and aramid insulating paper 43, polyester webs 41 Hes of band Aramid insulating paper 43 greatly increases insulation thickness, and anti-short circuit capability is strong, and security is greatly improved；Shielding line layer 42 An electric capacity effect is played to the overvoltage in electrical network, the overvoltage for making coil front end is stepped down to normal voltage, shielding knot Structure have impact resistance, it is resistance to over-pressed the characteristics of, protection transformer composition.

Specifically, the flat copper wire 1 of the same row is formed by heat bonding, and multiple flat copper wires 1 are combined together.

Specifically, the insulating lacquer layer 2 includes poly-vinegar imines enamelled coating and poly- phthalein amine phthalimide resin enamelled coating, insulation effect It is good, reach 200 class B insulations.

Specifically, less than the width of 15 flat copper wires 1, a certain enamel-cover is flat in transposed conductor for the pitch of transposition Axial length of the line after a complete transposition cycle divided by composition transposed conductor enameled sheet wire radical business, i.e., two Axial length between adjacent transposition, is pitch of transposition, it is ensured that the utility model can be normally carried out work, maximum journey Degree ensure that inner lead length is consistent.

Specifically, the quantity of the flat copper wire 1 is odd number, it is ensured that the process of flat copper wire 1 composition transposition core Can be normally carried out.

Specifically, the corner of the protective layer 4 is fillet, staff can be protected to preserve from coiling.

Specifically, the shielding line layer 42 is metallic shield net, advantages of good shielding performance and good heat conductivity.

Operation principle：The utility model to form two row by the way that flat copper wire 1 is stacked by wide face, and two row flat copper wires 1 Narrow edge direction carry out the process composition transposition core that replaces, at utmost ensure that inner lead length is consistent, by transposition line Polyester webs band 41 and aramid insulating paper 43 in the protective layer 4 of core outer wrapping greatly increases insulation thickness, shields Overvoltage in 42 pairs of electrical network of line layer plays an electric capacity effect, and the overvoltage for making coil front end is stepped down to normal voltage, Shielding construction have impact resistance, it is resistance to over-pressed the characteristics of, protect transformer.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out various changes in the case of without departing from principle of the present utility model and spirit, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (7)

1. a kind of transposed conductor, including flat copper wire（1）, it is characterised in that：The flat copper wire（1）Outer surface scribble insulation Enamelled coating（2）, the flat copper wire（1）It is stacked to form two row by wide face, and two row flat copper wires（1）Narrow edge direction replaced Process composition transposition core, the flat copper wire（1）Row between be provided with lining paper（3）, it is described transposition core outer surface be enclosed with Protective layer（4）, the protective layer（4）From inside to outside by polyester webs band（41）, shielding line layer（42）With aramid insulation Paper（43）Composition.

2. a kind of transposed conductor according to claim 1, it is characterised in that：The flat copper wire of the same row（1）By heat It is bonded.

3. a kind of transposed conductor according to claim 1, it is characterised in that：The insulating lacquer layer（2）Including poly-vinegar imines Enamelled coating and poly- phthalein amine phthalimide resin enamelled coating.

4. a kind of transposed conductor according to claim 1, it is characterised in that：The pitch of transposition is less than 15 flat coppers Line（1）Width.

5. a kind of transposed conductor according to claim 1, it is characterised in that：The flat copper wire（1）Quantity be odd number.

6. a kind of transposed conductor according to claim 1, it is characterised in that：The protective layer（4）Corner be fillet.

7. a kind of transposed conductor according to claim 1, it is characterised in that：The shielding line layer（42）For metallic shield Net.