CN206893403U - A kind of three dimensional wound core opens wide dry transformer coil structure - Google Patents

Abstract

The utility model discloses a kind of three dimensional wound core to open wide dry transformer coil structure and its winding method, including three dimensional wound core, the insulating cylinder being arranged on outside three dimensional wound core and the coil windings being wound on insulating cylinder, coil windings are by insulated conductor coiling, uniformly comb stays are provided with the outside of the insulating cylinder, insulated conductor is wound between the rack of comb stays, coil shunting tap is connected in coil windings, coil shunting tap leads to coil windings surface, the head ends of coil windings and the position of coil shunting tap is drawn around being made as positive and negative section of hybrid coil, remaining position is around being made as complete positive section coil.By using comb stays, a large amount of cushion block materials have been saved, have greatly improved the heat-sinking capability of coil；By, around the full continuous winding structure that just section coil and positive and negative section of hybrid coil are combined is made as, ensureing that coil all head, tail and shunting taps are drawn on surface by coil windings, avoiding the process complexity that coil shunting tap is drawn in coil inside.

Description

A kind of three dimensional wound core opens wide dry transformer coil structure

Technical field

This Shi Xin Xing Wataru and electrical equipment technical field, more particularly to a kind of transformer coil structure.

Background technology

At present, the advantage of the unlimited dry-type transformer product of three dimensional wound core has obtained the affirmative of users, but traditional Three dimensional wound core opens wide dry-type transformer coil and mainly causes coiler part end to end using complete positive section continuous structure, this structure It must be drawn with shunting tap on the inside of coil, which increases the operation difficulty at tap position, and technics comparing is complicated, greatly Limit production efficiency, improve cost of manufacture, also reduce security during transformer station high-voltage side bus；Particularly coil current is big When and it is many around wire, lift one's head on the inside of the coil difficult to realize, so limit the use range of loop construction, make it can only Using on low current transformer coil, so that lacking the market competitiveness；Further, since existing coil uses internal diameter stay and section Between cross-over block, it is necessary to consume substantial amounts of cushion block material；And due in traditional structure the contact area of insulated conductor and cushion block compared with Greatly, the radiating surface of coil is smaller, significantly limit the heat-sinking capability of coil.Therefore, it is necessary to existing three dimensional wound core Unlimited dry-type transformer coil is improved and optimized.

Utility model content

For overcome the deficiencies in the prior art, the utility model provides a kind of using the new of positive section and positive and negative section of alternating structure Type three dimensional wound core opens wide dry transformer coil structure, to optimize structure, reduce cost, raising productivity ratio, widens coil Use range.

Technical scheme is used by the utility model solves its technical problem：

A kind of three dimensional wound core opens wide dry transformer coil structure, including three dimensional wound core, is arranged on three dimensional wound core Outer insulating cylinder and the coil windings being wound on insulating cylinder, coil windings are by insulated conductor coiling, and the insulating cylinder outside is Even is provided with comb stays, and insulated conductor is wound between the rack of comb stays, and coil shunting tap is connected in coil windings, Coil shunting tap leads to coil windings surface, the head end of coil windings and draws the position of coil shunting tap around being made as just Anti- section hybrid coil, remaining position is around being made as complete positive section coil.

The coil windings include some wire turns connected by the line that replaces, and each wire turn is placed in two teeth of comb stays Between bar, positive and negative section of hybrid coil includes the positive section wire turn and anti-section wire turn, each group of positive section wire turn and anti-section line of alternately coiling The transposition line of circle is located at positive and negative section of hybrid coil surface；Complete positive section coil includes some sections of positive section wire turns, adjacent two positive sections of lines Transposition line between circle is connected to the inner ring of another circle from a circle surface.

The positive section wire turn perpendicular to insulating cylinder continuous coiling from inside to outside, anti-section wire turn perpendicular to insulating cylinder from inside to outside With positive section wire turn opposite direction continuous coiling.

The insulated conductor is for the single cord according to actual demand setting or multiply and around wire.

The comb stays are bonded on the outside of insulating cylinder, and its rack is put towards outside, the corresponding rack of all comb stays In sustained height.

The comb stays, which are adopted, to be made from an insulative material.

The beneficial effects of the utility model are：By using comb stays, insulated conductor is directly wound on to comb shape support per circle Between the rack of bar, internal diameter stay and section insulation cushion block that existing coil uses are eliminated, has saved a large amount of cushion block materials；And Because the contact area of comb stays and insulated conductor is much smaller than the contact area of insulated conductor and cushion block in traditional structure, in phase With under winding volume, making coil have bigger surface radiating face, the heat-sinking capability of coil is greatly improved；By by line Circle winding technique is to include the continuous winding structure that complete positive section coil and positive and negative section of hybrid coil are combined, and ensures that coil owns Head, tail and shunting tap all on-line circle surface are directly led out, and avoid existing structure coil sections shunting tap in coil The process complexity that portion is drawn, improve the security of production efficiency and transformer station high-voltage side bus；Further, since all heads of coil, Tail and shunting tap all on-line circle surface are directly led out, and can effectively be optimized transformer coil structure, be reduced manufacture difficulty With cost, raising transformer market competitiveness, make the scope of application of coil wider, the transformer coil knot of various capacity can be met The needs of structure, particularly for high current product when advantage it is more prominent.

Brief description of the drawings

The utility model is further illustrated with reference to the accompanying drawings and examples.

Fig. 1 is coil winding construction expanded view of the present utility model；

Fig. 2 is the side structure schematic view of comb stays in the utility model.

Embodiment

Referring to figs. 1 to 2, a kind of three dimensional wound core of the present utility model opens wide dry transformer coil structure, including solid Rewinding material, the insulating cylinder being arranged on outside three dimensional wound core and the coil windings being wound on insulating cylinder, coil windings are led by insulating The coiling of line 1, the insulating cylinder outside is uniform to be provided with comb stays 2, and comb stays 2 are bonded on the outside of insulating cylinder, its rack 21 are placed in sustained height towards outside, the corresponding rack 21 of all comb stays 2, so as to one layer one from bottom to up of insulated conductor 1 Layer turns to some wire turns, and comb stays 2, which are adopted, to be made from an insulative material, by using comb stays, by insulated conductor per circle Directly it is wound between the rack of comb stays, eliminates internal diameter stay and section insulation cushion block that existing coil uses, saves A large amount of cushion block materials；And because the contact area of comb stays and insulated conductor is much smaller than insulated conductor and cushion block in traditional structure Contact area, under identical winding volume, coil is had bigger surface radiating face, greatly improve coil dissipate Heat energy power.The insulated conductor 1 is for the single cord according to actual demand setting or multiply and around wire, to adapt to different electric currents The transformer demand of size.

Insulated conductor 1 is wound between the rack 21 of comb stays 2, and coil shunting tap 11, coil are connected in coil windings Shunting tap 11 leads to coil windings surface, the head end of coil windings and draws the position of coil shunting tap 11 around being made as just Anti- section hybrid coil 12, remaining position is around being made as complete positive section coil 13.By by coil windings around being made as including complete positive section coil The continuous winding structure being combined with positive and negative section of hybrid coil, ensure coil all head, tail and shunting tap all on-line circles Surface is directly led out, and is avoided the process complexity that existing structure coil sections shunting tap is drawn in coil inside, is improved The security of production efficiency and transformer station high-voltage side bus；Further, since all heads of coil, tail and shunting tap all on-line circle surface Directly lead out, can effectively optimize transformer coil structure, reduction manufacture difficulty and cost, improve transformer market competition Power, make the scope of application of coil wider, the needs of the transformer coil structure of various capacity can be met, particularly for high current Advantage is more prominent during product.

Coil windings include some wire turns connected by the line 14 that replaces, and each wire turn is placed in two teeth of comb stays 2 Between bar 21, positive and negative section of hybrid coil 12 includes the alternately positive section wire turn of coiling and anti-section wire turn, each group of positive section wire turn and anti- The transposition line 14 of section wire turn is located at the positive and negative section of surface of hybrid coil 12, and coil shunting tap 11 is drawn at the transposition line 14； Complete positive section coil 13 includes some sections of positive section wire turns, and the transposition line 14 between adjacent two positive sections of wire turns is connected to from a circle surface The inner ring of another circle.Positive section wire turn is perpendicular to insulating cylinder continuous coiling from inside to outside, and anti-section wire turn is perpendicular to insulating cylinder from introversion Outside with positive section wire turn opposite direction continuous coiling.Because coil shunting tap all on-line circle surface is directly led out, operating procedure is big For simplification, avoiding existing structure coil sections shunting tap needs to draw caused potential safety hazard and work in coil inside Skill complexity.

The winding process of the utility model coil is as follows：,

Insulating cylinder, and the uniformly bonding comb stays 2 on the outside of insulating cylinder are first set outside three dimensional wound core, supportted in comb shape With the coiling wire turn of insulated conductor 1 composition coil windings between the rack 21 of bar 2.

Coil windings coiling from the bottom up, the first anti-section line of the circle of coiling one between undermost two rack 21 of comb stays 2 Circle, initial the end of a thread is set to be placed in the anti-section wire turn surface, the circle of elder generation's coiling one positive section temporarily during anti-section wire turn coiling then will just temporarily Section is turned over successively from outside to inside to be stacked between the rack 21 for the comb stays 2 specified, and is tensed and to be formed anti-section wire turn.

Coiling includes the complete positive section line of the positive section wire turn of some circles upward successively after the completion of undermost anti-section wire turn coiling Circle 13, each positive section wire turn coiling successively from inside to outside, the transposition lines 14 of an adjacent two positive sections of wire turns outer ring how from below It is connected to the inner ring of one circle of top.

The complete positive coiling of section coil 13 starts positive and negative section of blend of coiling to when needing to draw the position of coil shunting tap 11 The number for the coil shunting tap that circle 12, the positive section wire turn of positive and negative section of hybrid coil 12 and the group number of anti-section wire turn are drawn as needed Amount determines that positive section wire turn is located at lower section in each group of positive section wire turn and anti-section wire turn, and anti-section wire turn is above, its line that replaces 14 are placed on the outside of coil, and coil shunting tap 11 is drawn at the transposition line 14.

Continue coiling positive section coil 13 entirely after the completion of the positive and negative section of coiling of hybrid coil 12, until coil windings coiling is complete Into the wire turn of the circle of the top one is positive section wire turn, and the end of a thread of insulated conductor is still placed on the outside of coil.

It is described above, simply better embodiment of the present utility model, but the utility model is not limited to above-described embodiment, As long as it reaches technique effect of the present utility model with any same or similar means, protection of the present utility model should be all included in Within the scope of.

Claims (6)

1. a kind of three dimensional wound core opens wide dry transformer coil structure, including three dimensional wound core, it is arranged on outside three dimensional wound core Insulating cylinder and the coil windings that are wound on insulating cylinder, coil windings are by insulated conductor (1) coiling, it is characterised in that：It is described Comb stays (2) uniformly are provided with the outside of insulating cylinder, insulated conductor (1) is wound between the rack (21) of comb stays (2), line Coil shunting tap (11) is connected on circle winding, coil shunting tap (11) leads to coil windings surface, the head of coil windings End and the position of coil shunting tap (11) is drawn around being made as positive and negative section of hybrid coil (12), remaining position is around being made as complete positive section line Enclose (13).

2. a kind of three dimensional wound core according to claim 1 opens wide dry transformer coil structure, it is characterised in that：It is described Coil windings include some wire turns connected by the line that replaces (14), and each wire turn is placed in two racks of comb stays (2) (21) between, positive and negative section of hybrid coil (12) includes the alternately positive section wire turn of coiling and anti-section wire turn, each group of positive section wire turn and The transposition line (14) of anti-section wire turn is located at positive and negative section of hybrid coil (12) surface；Complete positive section coil (13) includes some sections of positive sections Wire turn, the transposition line (14) between adjacent two positive sections of wire turns are connected to the inner ring of another circle from a circle surface.

3. a kind of three dimensional wound core according to claim 2 opens wide dry transformer coil structure, it is characterised in that：It is described Continuous coiling, anti-section wire turn are anti-with positive section wire turn from inside to outside perpendicular to insulating cylinder from inside to outside perpendicular to insulating cylinder for positive section wire turn Direction continuous coiling.

4. opening wide dry transformer coil structure according to a kind of any described three dimensional wound core of claims 1 to 3, its feature exists In：The insulated conductor (1) is for the single cord according to actual demand setting or multiply and around wire.

5. a kind of three dimensional wound core according to claim 1 opens wide dry transformer coil structure, it is characterised in that：It is described Comb stays (2) are bonded on the outside of insulating cylinder, and its rack (21) is towards outside, the corresponding rack (21) of all comb stays (2) It is placed in sustained height.

6. a kind of three dimensional wound core according to claim 5 opens wide dry transformer coil structure, it is characterised in that：It is described Comb stays (2), which are adopted, to be made from an insulative material.