CN214203417U - Knot formula coil structure of entangling that contains half circle - Google Patents
Knot formula coil structure of entangling that contains half circle Download PDFInfo
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- CN214203417U CN214203417U CN202022665727.5U CN202022665727U CN214203417U CN 214203417 U CN214203417 U CN 214203417U CN 202022665727 U CN202022665727 U CN 202022665727U CN 214203417 U CN214203417 U CN 214203417U
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Abstract
The utility model discloses a tangle type coil containing a half-turn structure, which comprises a coil body, wherein the coil body comprises an upper coil part and a lower coil part, the upper coil part and the lower coil part have the same structure and opposite directions; the upper half part of the coil comprises a normal section of coil cake and a half-turn structure coil cake, wherein the normal section of coil cake and the half-turn structure coil cake are formed by winding X turns of electromagnetic wire groups, X is a positive integer, the electromagnetic wire groups are connected with N electromagnetic wires in parallel, and N is more than or equal to 4; the half-turn structure wire cake comprises a first wire cake and a second wire cake. The utility model provides a contain half-turn structure's knot formula coil of entangling, both be applicable to the knot formula coil of entangling that goes out branch wiring, be applicable to again and do not have branch wiring, the knot formula coil of entangling of coiling in succession, it is even number to be the even number when the parallelly connected wire of coil, and adjacent cake turns is odd number + even number, or during even number + odd number, adopts this structure can avoid circulation between the strand, reduces the radial size of line cake, improves the whole mechanical strength of coil, reduces coil and oil tank overall dimension to reduce material cost.
Description
Technical Field
The utility model relates to a transformer manufacturing technical field especially relates to a knot formula coil structure that entangles that contains half circle.
Background
In the prior art, when the number of turns between the tapping wires of the tapping section of the coil wound by a plurality of wires is small, if a continuous coil structure is adopted, two tapping wires are usually required to be led out from the top and the bottom of one wire cake, and the structure can cause inter-strand circulating current due to different lengths of the wires connected in parallel between the two tapping wires and different passing magnetic fluxes, so that the product loss exceeds the standard, the coil wires are heated, and the coil can be burnt under severe conditions.
In order to solve the problem of circular current between the tapping section and the parallel winding wire strand of the continuous coil, the tapping section generally adopts a knotting structure, the knotting structure can lead the tapping wire out of the surface of the tapping section, and the knotting structure has strong current impact resistance and can prolong the service life of the coil. However, when the number of parallel windings of the coil is large (4 or more) and the number of turns between the tapping lines is small (less than 3 turns), the conventional entanglement structure causes great radial height difference of the tapping sections, which usually differs by the thickness of one turn of lead, if the lead is higher than the oil gap cushion block, the lead is not easy to be fixed, and the coil is easy to be deformed unstably when being impacted by large current, and is burnt out seriously.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a knot formula coil construction entangles that contains half circle to solve the problem that above-mentioned prior art exists, can realize not having circulation between the thigh between parallelly connected wire, coil compact structure, mechanical strength is good, at operation in-process safe and reliable, and adjacent line cake wire quantity equals, and shunting line department line segment can not superelevation, and coil overall dimension reduces, can reduce transformer material cost.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a tangle type coil containing a half-turn structure, which comprises a coil body, wherein the coil body comprises an upper coil part and a lower coil part, and the upper coil part and the lower coil part have the same structure and opposite directions; the upper half part of the coil comprises a normal section of coil cake and a half turn structure coil cake, wherein the normal section of coil cake and the half turn structure coil cake are formed by winding X turns of electromagnetic wire groups, X is a positive integer, N electromagnetic wires are connected in parallel, and N is more than or equal to 4; the half-turn structure wire cake comprises a first wire cake and a second wire cake, and the number of turns of the first wire cake is the same as that of the second wire cake; and insulation parts are arranged among the normal section wire cakes, the first wire cake and the second wire cake.
Preferably, when the number N of the electromagnetic wires is an even number, and the number X of turns of the electromagnetic wire group is an odd number, the first wire cake comprises the 1 st turn of the electromagnetic wire group, the 1 st turn of the first wire cake, the X-1 st turn of the first wire cake, and the electromagnetic wire group are formed by winding N electromagnetic wires, and the X turn of the first wire cake is formed by winding N/2 electromagnetic wires; the second wire cake comprises a 1 st turn of the electromagnetic wire group and a 2 nd turn of the electromagnetic wire group, the 1 st turn of the second wire cake is formed by winding N/2 electromagnetic wires, and the 2 nd turn of the second wire cake is formed by winding N electromagnetic wires.
Preferably, the electromagnetic wire group of the X-1 th turn of the first coil cake and the electromagnetic wire group of the 2 nd turn of the second coil cake are formed by winding the same electromagnetic wire group; the electromagnetic wire group of the 1 st turn of the first wire cake and the electromagnetic wire group of the 3 rd turn of the second wire cake are formed by winding the same wire group.
Preferably, the end of the electromagnetic wire group of the 1 st turn of the first wire cake is connected with a first branch wire, and the end of the electromagnetic wire group of the X-1 th turn of the first wire cake is connected with a second branch wire; and the tail end of the electromagnetic wire group of the 2 nd turn of the second wire cake is connected with a third branch wire, and the tail end of the electromagnetic wire group of the Xth turn of the second wire cake is connected with a fourth branch wire.
Preferably, the number N of the parallel-wound electromagnetic wires is an odd number, when the number X of turns of the electromagnetic wire group is an even number, the first cake comprises a 1 st turn of the electromagnetic wire group, an.. gth turn of the electromagnetic wire group and an X-th turn of the electromagnetic wire group, the 1 st turn of the electromagnetic wire group, the.. gth turn of the first cake, the X-1 st turn of the electromagnetic wire group, is formed by winding N electromagnetic wires, and the X-th turn of the first cake is formed by winding (N-1)/2 or (N +1)/2 electromagnetic wires; the second wire cake comprises a 1 st turn of the electromagnetic wire group and a 2 nd turn of the electromagnetic wire group, the 1 st turn of the electromagnetic wire group of the second wire cake is formed by winding (N +1)/2 or (N-1)/2 electromagnetic wires, and the 2 nd turn of the electromagnetic wire group of the second wire cake is formed by winding N electromagnetic wires.
Preferably, the electromagnetic wire group of the X-1 th turn of the first coil cake and the electromagnetic wire group of the 2 nd turn of the second coil cake are formed by winding the same wire group; the electromagnetic wire group of the 1 st turn of the first wire cake and the electromagnetic wire group of the 3 rd turn of the second wire cake are formed by winding the same wire group.
Preferably, the end of the electromagnetic wire group of the 1 st turn of the first wire cake is connected with a first branch wire, and the end of the electromagnetic wire group of the X-1 th turn of the first wire cake is connected with a second branch wire; the end of the electromagnetic wire group of the X-1 th turn of the second wire cake is provided with a third branch wire, and the end of the electromagnetic wire group of the X-th turn of the second wire cake is provided with a fourth branch wire.
Preferably, the root of the first branch line and the root of the second branch line are both bound and fixed with the first line cake, and the root of the third branch line and the root of the fourth branch line are both bound and fixed with the second line cake.
The utility model discloses a following technological effect: the utility model provides a contain half turn entangle formula coil construction, both be applicable to the formula coil of entangling of branch wiring, be applicable to again and do not have the formula coil of entangling of branch wiring, continuous coiling. When the parallel wires of the coil are even, the number of turns of adjacent coils is odd + even, or even + odd, by adopting the structure, inter-strand circulation can be completely avoided, the radial size of the coil cake is effectively reduced, the integral mechanical strength of the coil is improved, and the overall sizes of the coil and the oil tank are reduced, so that the material cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a front view of a tangle coil;
FIG. 2 is a schematic diagram of the number of coil turns;
FIG. 3 is a schematic diagram of a conventional tap segment entanglement structure;
FIG. 4 is a schematic diagram of a modified entanglement structure of the tapping end;
wherein, the upper half coil-1, the lower half coil-2, the normal section coil cake-16, the half-turn structure coil cake-12, the first coil cake-17 and the second coil cake-18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The utility model provides a tangle type coil containing a half-turn structure, which comprises a coil body, wherein the coil body comprises an upper coil part 1 and a lower coil part 2, the upper coil part 1 and the lower coil part 2 have the same structure and opposite directions; the upper half part of the coil comprises a normal section of coil cake 16 and a half turn structure coil cake 12, wherein the normal section of coil cake 16 and the half turn structure coil cake 12 are formed by winding X turns of electromagnetic wire groups, X is a positive integer, N electromagnetic wires are connected in parallel, and N is more than or equal to 4; the half-turn structure wire cake 12 comprises a first wire cake 17 and a second wire cake 18, and the number of turns of the first wire cake 17 is the same as that of the second wire cake 18; insulation members are arranged among the normal section wire cakes 16, the first wire cake 17 and the second wire cake 18.
Furthermore, when the number N of the electromagnetic wires is an even number, and the number X of turns of the electromagnetic wire group is an odd number, the first wire cake 17 includes the 1 st turn of the electromagnetic wire group, the 1 st turn of the first wire cake 17, the 1 st turn of the electromagnetic wire group, the 1 st turn of the first wire cake 17, the X-1 st turn of the electromagnetic wire group, and the N/2 electromagnetic wire groups are wound and formed; the second wire cake 18 comprises a 1 st turn of the electromagnetic wire group and a 2 nd turn of the electromagnetic wire group, a.
Furthermore, the electromagnetic wire group of the X-1 th turn of the first wire cake 17 and the electromagnetic wire group of the 2 nd turn of the second wire cake 18 are formed by winding the same electromagnetic wire group; the 1 st turn of the first wire cake 17 and the 3 rd turn of the second wire cake 18 are formed by winding the same wire group.
Furthermore, the 1 st turn of the first thread cake 17 is terminated by a first branch line, and the X-1 st turn of the first thread cake 17 is terminated by a second branch line; the 2 nd turn of the second wire cake 18 is the end of the electromagnetic wire group which is the third branch wire, and the X-th turn of the second wire cake 18 is the end of the electromagnetic wire group which is the fourth branch wire.
Furthermore, when the number N of the parallel-wound electromagnetic wires is an odd number, and the number X of turns of the electromagnetic wire group is an even number, the first wire cake 17 includes the 1 st turn of the electromagnetic wire group, the 1 st turn, the X-1 st turn and the X-1 st turn of the electromagnetic wire group, the 1 st turn, the X-1 st turn and the X-1 st turn of the electromagnetic wire group are formed by winding N electromagnetic wires, and the X-th turn of the electromagnetic wire group of the first wire cake 17 is formed by winding N-1/2 or N +1/2 electromagnetic wires; the second wire cake 18 comprises a 1 st turn of the electromagnetic wire group and a 2 nd turn of the electromagnetic wire group, the 1 st turn of the second wire cake 18 is formed by winding N +1/2 or N-1/2 electromagnetic wires, and the 2 nd turn of the second wire cake 18 is formed by winding N electromagnetic wires.
Furthermore, the electromagnetic wire group of the X-1 th turn of the first wire cake 17 and the electromagnetic wire group of the 2 nd turn of the second wire cake 18 are wound by the same wire group; the electromagnetic wire group of the 1 st turn of the first wire cake 17 and the electromagnetic wire group of the 3 rd turn of the second wire cake 18 are formed by winding the same wire group.
Furthermore, the 1 st turn of the first thread cake 17 is terminated by a first branch line, and the X-1 st turn of the first thread cake 17 is terminated by a second branch line; the end of the electromagnetic wire group of the X-1 turn of the second wire cake 18 is connected with a third branch wire, and the end of the electromagnetic wire group of the X turn of the second wire cake 18 is connected with a fourth branch wire.
Further, the root of the first branch line and the root of the second branch line are both bound and fixed with the first line cake 17, and the root of the third branch line and the root of the fourth branch line are both bound and fixed with the second line cake 18.
As shown in fig. 4, when starting to wind 17 cakes, firstly winding 1a, 1b, 1c, 1d four parallel wires for a whole circle, then changing two wires 1c, 1d to 18 cakes to transit to 2c, 2d head end, then continuing 4d, 4c, 4b, 4a four wires on the rest two wires 1a, 1b (actually the initial section of 2a, 2 b), and simultaneously winding 6 wires (on 17 cakes) +2 wires (on 18 cakes) for 1 circle on 17 cakes and 18 cakes respectively, at this time, 1a, 1b is changed to 2a, 2 b; after one turn of winding is restrained, 6 leads 2a, 2B, 4a, 4B, 4c and 4d of 17 cakes are completely transposed to 18 cakes, the transposed leads are transited to 5a, 5B, 5c, 5d, 3a and 3B and are placed on the transposed parts of the two leads 2d and 2c of the 18 cakes, finally, 8 leads 5a, 5B, 5c, 5d, 3a, 3B, 3c and 3d are jointly wound in a round way for the last turn, after the winding is finished, 8 leads are cut off, branch connection wires B2 and B4 on the 18 cakes are led out, the roots of the branch connection wires are tightly bound with the cakes, finally, the temporary cakes of the 17 cakes are turned over, the branch connection wires B4 and B6 are led out, and the roots of the branch connection wires are tightly bound with the cakes, and therefore the winding of the 17 cakes and the 18 cakes is finished.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (8)
1. The knotted coil containing a half-turn structure is characterized by comprising a coil body, wherein the coil body comprises an upper half coil (1) and a lower half coil (2), and the upper half coil (1) and the lower half coil (2) have the same structure and are opposite in direction; the upper half part of the coil comprises a normal section coil cake (16) and a half-turn structure coil cake (12), wherein the normal section coil cake (16) and the half-turn structure coil cake (12) are formed by winding X turns of electromagnetic wire groups, X is a positive integer, N electromagnetic wires are connected in parallel, and N is more than or equal to 4; the half-turn structure wire cake (12) comprises a first wire cake (17) and a second wire cake (18), and the number of turns of the first wire cake (17) and the second wire cake (18) is the same; insulation parts are arranged among the normal section wire cakes (16), the first wire cake (17) and the second wire cake (18).
2. A tangle-type coil comprising a half-turn structure according to claim 1, wherein: the number N of the electromagnetic wires is even, when the number X of turns of the electromagnetic wire group is odd, the first wire cake (17) comprises the electromagnetic wire group with the 1 st turn and the electromagnetic wire group with the X-1 st turn, the electromagnetic wire group with the 1 st turn of the first wire cake (17) is formed by winding N electromagnetic wires, and the electromagnetic wire group with the X-1 st turn of the first wire cake (17) is formed by winding N electromagnetic wires; the second wire cake (18) comprises a 1 st turn of the electromagnetic wire group and a 2 nd turn of the electromagnetic wire group, the 1 st turn of the electromagnetic wire group of the second wire cake (18) is formed by winding N/2 electromagnetic wires, and the 2 nd turn of the electromagnetic wire group of the second wire cake (18) is formed by winding N electromagnetic wires.
3. A tangle-type coil comprising a half-turn structure according to claim 2, wherein: the electromagnetic wire group of the X-1 th turn of the first coil cake (17) and the electromagnetic wire group of the 2 nd turn of the second coil cake (18) are formed by winding the same electromagnetic wire group; the electromagnetic wire group of the 1 st turn of the first wire cake (17) and the electromagnetic wire group of the 3 rd turn of the second wire cake (18) are wound by the same electromagnetic wire group.
4. A tangle-type coil comprising a half-turn structure according to claim 3, wherein: the 1 st turn of the first line cake (17) is connected with a first branch line at the tail end of the electromagnetic line group, and the X-1 st turn of the first line cake (17) is connected with a second branch line at the tail end of the electromagnetic line group; the 2 nd turn of the second coil cake (18) is connected with the third branch line at the end of the electromagnetic line group, and the Xth turn of the second coil cake (18) is connected with the fourth branch line at the end of the electromagnetic line group.
5. A tangle-type coil comprising a half-turn structure according to claim 1, wherein: the number N of the electromagnetic wires is an odd number, when the number X of turns of the electromagnetic wire group is an even number, the first wire cake (17) comprises a 1 st turn of the electromagnetic wire group, an 1.. th.X-1 th turn of the electromagnetic wire group and an X-th turn of the electromagnetic wire group, the 1 st turn of the electromagnetic wire group, the 1.. th.X-1 th turn of the electromagnetic wire group of the first wire cake (17) is formed by winding N electromagnetic wires, and the X-th turn of the electromagnetic wire group of the first wire cake (17) is formed by winding (N-1)/2 or (N +1)/2 electromagnetic wires; the second wire cake (18) comprises a 1 st turn of the electromagnetic wire group and a 2 nd turn of the electromagnetic wire group, the 1 st turn of the electromagnetic wire group of the second wire cake (18) is formed by winding (N +1)/2 or (N-1)/2 electromagnetic wires, and the 2 nd turn of the electromagnetic wire group of the second wire cake (18) is formed by winding N electromagnetic wires.
6. A tangle-type coil comprising a half-turn structure according to claim 5, wherein: the electromagnetic wire group of the X-1 th turn of the first coil cake (17) and the electromagnetic wire group of the 2 nd turn of the second coil cake (18) are wound by the same wire group; the electromagnetic wire group of the 1 st turn of the first wire cake (17) and the electromagnetic wire group of the 3 rd turn of the second wire cake (18) are formed by winding the same wire group.
7. The tangle-free coil comprising a half-turn structure according to claim 6, wherein: the 1 st turn of the first line cake (17) is connected with a first branch line at the tail end of the electromagnetic line group, and the X-1 st turn of the first line cake (17) is connected with a second branch line at the tail end of the electromagnetic line group; the X-1 turn of the second coil cake (18) is the electromagnetic wire group end out of the third branch wire, and the X turn of the second coil cake (18) is the electromagnetic wire group end out of the fourth branch wire.
8. A tangle-free coil comprising a half-turn structure according to claim 4 or 7, wherein: the first branch line root and the second branch line root are fixedly bound with the first line cake (17), and the third branch line root and the fourth branch line root are fixedly bound with the second line cake (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022665727.5U CN214203417U (en) | 2020-11-18 | 2020-11-18 | Knot formula coil structure of entangling that contains half circle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022665727.5U CN214203417U (en) | 2020-11-18 | 2020-11-18 | Knot formula coil structure of entangling that contains half circle |
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| Publication Number | Publication Date |
|---|---|
| CN214203417U true CN214203417U (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022665727.5U Active CN214203417U (en) | 2020-11-18 | 2020-11-18 | Knot formula coil structure of entangling that contains half circle |
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| Country | Link |
|---|---|
| CN (1) | CN214203417U (en) |
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- 2020-11-18 CN CN202022665727.5U patent/CN214203417U/en active Active
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