CN214410950U - Polygonal winding structure - Google Patents
Polygonal winding structure Download PDFInfo
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- CN214410950U CN214410950U CN202120951801.1U CN202120951801U CN214410950U CN 214410950 U CN214410950 U CN 214410950U CN 202120951801 U CN202120951801 U CN 202120951801U CN 214410950 U CN214410950 U CN 214410950U
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Abstract
The utility model discloses a polygon winding structure belongs to transformer technical field. A polygonal winding structure comprises an iron core, a low-voltage winding and a high-voltage winding; the low-voltage winding is sleeved on the outer side of the iron core; the high-voltage winding is sleeved outside the low-voltage winding; the low-voltage winding and the high-voltage winding are both octagonal prisms; the shapes of the cross sections of the low-voltage winding and the high-voltage winding are the same, and the areas of the cross sections are different; the cross-sectional graph of the low-voltage winding comprises a first side, a second side, a third side, a fourth side, a fifth side, a sixth side, a seventh side and an eighth side; the first edge is connected with the second edge, the second edge is connected with the third edge, the third edge is connected with the fourth edge, the fourth edge is connected with the fifth edge, the fifth edge is connected with the sixth edge, the contact area between the cushion block and the winding can be increased, the number of stages of the iron core can be reduced under the condition that the sectional area of the iron core is unchanged, the sheet type of the iron core is reduced, and the requirement for automatic production of the iron core can be better met.
Description
Technical Field
The utility model relates to a transformer technical field, more specifically say, relate to a polygon winding structure.
Background
The transformer is a voltage regulating component of a power transmission and transformation system, and the using amount is very large. The traditional iron core multi-stage manual stacking mode can not meet the development requirement of the transformer, so that an automatic iron core stacking machine is produced. Due to the limitation of the automatic laminating machine, when silicon steel sheets with the width smaller than 50mm are stacked, the efficiency of the automatic laminating machine is greatly influenced.
The sectional patterns of low-voltage windings and high-voltage windings produced in various domestic transformer plants are usually circular or kidney-shaped, and a small-sheet-width multi-stage structure iron core lamination mode is adopted, so that the initial purpose of high efficiency and high quality of iron core automatic production and reduction of labor intensity of workers cannot be met.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide a polygonal winding structure, it can make the crimping volume of cushion and winding great through the shape setting of low voltage winding and high voltage winding, and the unit area is pressed great range and is reduced to improve the anti short circuit electrodynamic force's of transformer ability. 2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
A polygonal winding structure comprises an iron core, a low-voltage winding and a high-voltage winding;
the low-voltage winding is sleeved on the outer side of the iron core; the high-voltage winding is sleeved outside the low-voltage winding;
the low-voltage winding and the high-voltage winding are both octagonal prisms; the shapes of the cross sections of the low-voltage winding and the high-voltage winding are the same, and the areas of the cross sections are different;
the cross-sectional graph of the low-voltage winding comprises a first side, a second side, a third side, a fourth side, a fifth side, a sixth side, a seventh side and an eighth side;
the first edge is connected with the second edge, the second edge is connected with the third edge, the third edge is connected with the fourth edge, the fourth edge is connected with the fifth edge, the fifth edge is connected with the sixth edge, the sixth edge is connected with the seventh edge, the seventh edge is connected with the eighth edge, and the eighth edge is connected with the first edge;
the first edge is parallel to the fifth edge; the third side is parallel to the seventh side;
the second side and the fourth side are symmetrical about the third side; the second edge and the eighth edge are symmetrical with respect to the first edge; the fourth side and the sixth side are symmetrical about the fifth side; the sixth side and the eighth side are symmetrical with respect to the seventh side.
Furthermore, the part of the first edge connected with the second edge is provided with a rounded corner; the part of the second side connected with the third side is provided with a rounded corner; the part where the third side is connected with the fourth side is provided with a fillet; the part of the fourth edge connected with the fifth edge is provided with a fillet; the part where the fifth side is connected with the sixth side is provided with a fillet; the part of the sixth side connected with the seventh side is provided with a fillet; the part of the seventh side connected with the eighth side is provided with a fillet; the part of the eighth edge connected with the first edge is provided with a rounded corner.
Further, the area of the cross-sectional pattern of the low-voltage winding is smaller than that of the high-voltage winding.
Furthermore, the center point of the cross-sectional pattern of the low-voltage winding coincides with the center point of the cross-sectional pattern of the high-voltage winding.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
the scheme can enable the compression volume of the cushion block and the winding to be larger through the shape arrangement of the low-voltage winding and the high-voltage winding, and the large amplitude of unit area compression is reduced, so that the short-circuit electrodynamic force resistance of the transformer is improved.
And (II) the compression volume of the cushion block and the winding is increased, the number of stages of the iron core is reduced under the condition of ensuring that the sectional area of the iron core is not changed, the sheet shape of the iron core is reduced, and the requirement on automatic production of the iron core can be better met.
And thirdly, the part of the low-voltage winding or the high-voltage winding, which is connected with the eight sides, is provided with a fillet, so that the part of the low-voltage winding or the high-voltage winding, which is connected with the eight sides, is smoother, and the low-voltage winding or the high-voltage winding is not easy to deform when being extruded.
(IV) the utility model discloses not only can simplify the design production process, effectual anti short circuit capability of having strengthened moreover, also can satisfy the automated production process of winding.
And (V) the thickness of the main level of the iron core can be increased, so that no-load loss of the iron core is reduced, and the product cost can be effectively reduced.
Drawings
Fig. 1 is a schematic front structural view of the present invention;
fig. 2 is a schematic structural diagram of a cross-sectional pattern of the low-voltage winding or the high-voltage winding according to the present invention.
The reference numbers in the figures illustrate:
1 iron core, 2 low-voltage windings, 3 high-voltage windings, a1 first side, a2 second side, a3 third side, a4 fourth side, a5 fifth side, a6 sixth side, a7 seventh side and a8 eighth side.
Detailed Description
Referring to fig. 1-2, a polygonal winding structure includes a core 1, a low voltage winding 2 and a high voltage winding 3.
The low-voltage winding 2 is sleeved on the outer side of the iron core 1; the high-voltage winding 3 is sleeved outside the low-voltage winding 2.
The low-voltage winding 2 and the high-voltage winding 3 are both octagonal prisms (or other polygonal prisms); the shapes of the (transverse) section graphs of the low-voltage winding 2 and the high-voltage winding 3 are the same, and the areas are different; the area of the cross-sectional graph of the low-voltage winding 2 is smaller than that of the cross-sectional graph of the high-voltage winding 3; the centre point of the cross-sectional pattern of the low voltage winding 2 coincides with the centre point of the cross-sectional pattern of the high voltage winding 3.
The cross-sectional profile of the low voltage winding 2 has a first side a1, a second side a2, a third side a3, a fourth side a4, a fifth side a5, a sixth side a6, a seventh side a7 and an eighth side a 8.
The first side a1 is connected to the second side a2, the second side a2 is connected to the third side a3, the third side a3 is connected to the fourth side a4, the fourth side a4 is connected to the fifth side a5, the fifth side a5 is connected to the sixth side a6, the sixth side a6 is connected to the seventh side a7, the seventh side a7 is connected to the eighth side a8, and the eighth side a8 is connected to the first side a 1.
The part where the first side a1 is connected with the second side a2 is provided with a rounded corner; the part where the second side a2 is connected with the third side a3 is provided with a rounded corner; the part where the third side a3 is connected with the fourth side a4 is rounded; the part of the fourth side a4 connected with the fifth side a5 is rounded; the part where the fifth side a5 is connected with the sixth side a6 is provided with a rounded corner; the part of the sixth side a6 connected with the seventh side a7 is rounded; the part of the seventh side a7 connected with the eighth side a8 is provided with a rounded corner; the eighth side a8 has rounded corners at the location where it connects to the first side a 1.
The first side a1 is parallel to the fifth side a 5; the third side a3 is parallel to the seventh side a 7.
The second side a2 is symmetrical to the fourth side a4 about the third side a 3; the second side a2 is symmetrical to the eighth side a8 about the first side a 1; the fourth side a4 is symmetrical to the sixth side a6 about the fifth side a 5; the sixth side a6 is symmetric with the eighth side a8 about the seventh side a 7.
The arrangement of the multi-deformation section patterns of the low-voltage winding 2 and the high-voltage winding 3 can realize the increase of the contact area between the cushion block and the winding, and can reduce the number of stages of the iron core and the sheet shape of the iron core under the condition of ensuring that the sectional area of the iron core is unchanged, thereby better realizing the requirement of automatic production of the iron core.
Claims (4)
1. A polygonal winding structure characterized by: the transformer comprises an iron core (1), a low-voltage winding (2) and a high-voltage winding (3);
the low-voltage winding (2) is sleeved on the outer side of the iron core (1); the high-voltage winding (3) is sleeved outside the low-voltage winding (2);
the low-voltage winding (2) and the high-voltage winding (3) are both octagonal prisms; the shapes of the cross sections of the low-voltage winding (2) and the high-voltage winding (3) are the same, and the areas are different;
the cross-sectional pattern of the low-voltage winding (2) is provided with a first side (a 1), a second side (a 2), a third side (a 3), a fourth side (a 4), a fifth side (a 5), a sixth side (a 6), a seventh side (a 7) and an eighth side (a 8);
the first side (a 1) is connected with the second side (a 2), the second side (a 2) is connected with the third side (a 3), the third side (a 3) is connected with the fourth side (a 4), the fourth side (a 4) is connected with the fifth side (a 5), the fifth side (a 5) is connected with the sixth side (a 6), the sixth side (a 6) is connected with the seventh side (a 7), the seventh side (a 7) is connected with the eighth side (a 8), and the eighth side (a 8) is connected with the first side (a 1);
the first side (a 1) is parallel to the fifth side (a 5); the third side (a 3) is parallel to the seventh side (a 7);
the second side (a 2) and the fourth side (a 4) are symmetrical with respect to the third side (a 3); the second side (a 2) is symmetrical to the eighth side (a 8) about the first side (a 1); the fourth side (a 4) is symmetrical to the sixth side (a 6) about the fifth side (a 5); the sixth side (a 6) is symmetrical to the eighth side (a 8) about the seventh side (a 7).
2. The polygonal winding structure according to claim 1, wherein: the part where the first side (a 1) is connected with the second side (a 2) is provided with a rounded corner; the part where the second side (a 2) is connected with the third side (a 3) is provided with a rounded corner; the part where the third side (a 3) is connected with the fourth side (a 4) is provided with a rounded corner; the part of the fourth side (a 4) connected with the fifth side (a 5) is provided with a rounded corner; the part where the fifth side (a 5) is connected with the sixth side (a 6) is provided with a rounded corner; the part of the sixth side (a 6) connected with the seventh side (a 7) is provided with a rounded corner; the part of the seventh side (a 7) connected with the eighth side (a 8) is provided with a rounded corner; the eighth side (a 8) is rounded at the part connected with the first side (a 1).
3. The polygonal winding structure according to claim 1, wherein: the area of the cross-sectional pattern of the low-voltage winding (2) is smaller than that of the high-voltage winding (3).
4. The polygonal winding structure according to claim 1, wherein: the center point of the cross-sectional pattern of the low-voltage winding (2) coincides with the center point of the cross-sectional pattern of the high-voltage winding (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120951801.1U CN214410950U (en) | 2021-05-06 | 2021-05-06 | Polygonal winding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120951801.1U CN214410950U (en) | 2021-05-06 | 2021-05-06 | Polygonal winding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214410950U true CN214410950U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120951801.1U Active CN214410950U (en) | 2021-05-06 | 2021-05-06 | Polygonal winding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214410950U (en) |
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2021
- 2021-05-06 CN CN202120951801.1U patent/CN214410950U/en active Active
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