CN204407155U - A kind of low voltage lead structure of three-dimensional wound core dry type transformer - Google Patents
A kind of low voltage lead structure of three-dimensional wound core dry type transformer Download PDFInfo
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- CN204407155U CN204407155U CN201520113454.XU CN201520113454U CN204407155U CN 204407155 U CN204407155 U CN 204407155U CN 201520113454 U CN201520113454 U CN 201520113454U CN 204407155 U CN204407155 U CN 204407155U
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Abstract
The utility model discloses a kind of low voltage lead structure of three-dimensional wound core dry type transformer, comprise A phase coil, B phase coil and C phase coil, the first head lug plate of A phase of described A phase coil and A phase tail head lug plate be the α and shape has angle along the circumference distribution of A phase coil and both stagger mutually, the first head lug plate of B phase of B phase coil and B phase tail head lug plate be the β and shape has angle along the circumference distribution of B phase coil and both stagger mutually, the first head lug plate of C phase of C phase coil and C phase tail head lug plate be the γ and shape has angle along the circumference distribution of C phase coil and both stagger mutually.Because the utility model is by distributing the first head lug plate of A phase coil, B phase coil and C phase coil and tail head lug plate along respective coil main body circumference respectively, simultaneously each coil first head lug plate and tail head lug plate mutually staggers and shape has angle, thus can not have influence on the arrangement of coil airway, the distribution of coil airway can be more reasonable.
Description
Technical field
The utility model relates to field transformer, particularly a kind of low voltage lead structure of three-dimensional wound core dry type transformer.
Background technology
The outlet method of the paper tinsel coiling of three-dimensional wound core dry type transformer common is at present: around around first head link and tail head link be all arranged on the same position of coil main body, because first head link and tail head link are arranged at the same position of coil main body, therefore there is following shortcoming:
1. have influence on the arrangement of coil airway, then have influence on the radiating efficiency of transformer;
2. need between first link and tail head link to ensure insulation distance, increase the size of whole coil, and then have influence on the size of integrated transformers;
3. the copper bar electric current of outlet is comparatively large, and temperature is also relatively high, and first head link and tail head link position are too close to being unfavorable for heat radiation;
4., in order to ensure the insulation distance between low-voltage coil and high-tension coil, needing to increase main empty path size, then increasing the size of whole coil, so the size of whole transformer;
5. be unfavorable for the circularity controlling whole coil;
6. the position of first link and tail head link is too close, is unfavorable for that external cabling operates.
Utility model content
In order to solve the problem, it is simple that the purpose of this utility model is to provide a kind of structure, not only can increase low-voltage coil of dry type transformer air passage radiating area, reduce the temperature rise of transformer, reduce the size of transformer and coil, and can also the low voltage lead structure of control coil circularity better.
The utility model is the technical scheme that its technical problem of solution adopts:
A kind of low voltage lead structure of three-dimensional wound core dry type transformer, comprise A phase coil, B phase coil and C phase coil, described A phase coil is provided with the first head lug plate of A phase and A phase tail head lug plate, B phase coil is provided with the first head lug plate of B phase and B phase tail head lug plate, C phase coil is provided with the first head lug plate of C phase and C phase tail head lug plate, the first head lug plate of A phase of described A phase coil and A phase tail head lug plate be the α and shape has angle along the circumference distribution of A phase coil and both stagger mutually, the first head lug plate of B phase of B phase coil and B phase tail head lug plate be the β and shape has angle along the circumference distribution of B phase coil and both stagger mutually, the first head lug plate of C phase of C phase coil and C phase tail head lug plate be the γ and shape has angle along the circumference distribution of C phase coil and both stagger mutually,
The first head lug plate of A phase of described A phase coil is connected with external circuitry with the 2nd A phase copper bar respectively by an A phase copper bar with A phase tail head lug plate;
The first head lug plate of B phase of described B phase coil is connected with an A phase copper bar by a B phase copper bar, and described B phase tail head lug plate is connected with external circuitry by the 2nd B phase copper bar;
The first head lug plate of C phase of described C phase coil is connected with an A phase copper bar, and C phase tail head lug plate is connected with external circuitry by a C phase copper bar.
As the improvement of technique scheme, described B phase tail head lug plate is connected with the 2nd B phase copper bar by the 3rd B phase copper bar.
As the further improvement of technique scheme, described C phase tail head lug plate is connected with a C phase copper bar by the 2nd C phase copper bar.
In the utility model, described angle α, angle β are identical with the angle of angle γ.
Preferably, the angle of described angle α, angle β and angle γ is 120 °
The beneficial effects of the utility model are: because the utility model passes through A phase coil, the first head lug plate of B phase coil and C phase coil and tail head lug plate are respectively along the distribution of respective coil main body circumference, simultaneously each coil first head lug plate and tail head lug plate mutually staggers and shape has angle, thus the arrangement of coil airway can not be had influence on, the distribution of coil airway can be more reasonable, contribute to the area of dissipation increasing coil airway, reduce the temperature rise of transformer, ensureing the temperature rise of transformer and first head lug plate simultaneously, under the prerequisite that insulation distance between tail head lug plate requires, appropriateness can reduce coil main empty path width, and then reduce the overall dimensions of transformer, also be convenient to and external circuit wiring simultaneously.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is surface structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of coil of the present utility model when removing copper busbar.
Embodiment
With reference to Fig. 1, Fig. 2, a kind of low voltage lead structure of three-dimensional wound core dry type transformer, comprise A phase coil 1, B phase coil 2 and C phase coil 3, described A phase coil 1 is provided with the first head lug plate 11 of A phase and A phase tail head lug plate 12, B phase coil 2 is provided with the first head lug plate 21 of B phase and B phase tail head lug plate 22, C phase coil 3 is provided with the first head lug plate 31 of C phase and C phase tail head lug plate 32, the first head lug plate 11 of A phase of described A phase coil 1 and A phase tail head lug plate 12 be the α and shape has angle along the circumference distribution of A phase coil 1 and both stagger mutually, the first head lug plate 21 of B phase of B phase coil 2 and B phase tail head lug plate 22 be the β and shape has angle along the circumference distribution of B phase coil 2 and both stagger mutually, the first head lug plate 31 of C phase of C phase coil 3 and C phase tail head lug plate 32 be the γ and shape has angle along the circumference distribution of C phase coil 3 and both stagger mutually,
The first head lug plate 11 of A phase of described A phase coil 1 is connected with external circuitry with the 2nd A phase copper bar 14 respectively by an A phase copper bar 13 with A phase tail head lug plate 12;
The first head lug plate 21 of B phase of described B phase coil 2 is connected with an A phase copper bar 13 by a B phase copper bar 23, and described B phase tail head lug plate 22 is connected with external circuitry by the 2nd B phase copper bar 24;
The first head lug plate 31 of C phase of described C phase coil 3 is connected with an A phase copper bar 13, and C phase tail head lug plate 32 is connected with external circuitry by a C phase copper bar 33.
Because the utility model passes through A phase coil 1, the first head lug plate of B phase coil 2 and C phase coil 3 and tail head lug plate are respectively along the distribution of respective coil main body circumference, simultaneously each coil first head lug plate and tail head lug plate mutually staggers and shape has angle, thus the arrangement of coil airway can not be had influence on, the distribution of coil airway can be more reasonable, contribute to the area of dissipation increasing coil airway, reduce the temperature rise of transformer, ensureing the temperature rise of transformer and first head lug plate simultaneously, under the prerequisite that insulation distance between tail head lug plate requires, appropriateness can reduce coil main empty path width, and then reduce the overall dimensions of transformer, also be convenient to and external circuit wiring simultaneously.
Further, be connected with the 2nd B phase copper bar 24 for the ease of B phase tail head brace 22, in the utility model, described B phase tail head lug plate 22 is connected with the 2nd B phase copper bar 24 by the 3rd B phase copper bar 25.
Further again, be connected with a C phase copper bar 33 for the ease of C phase tail head lug plate 32, as preferred embodiment of the present utility model, described C phase tail head lug plate 32 is connected with a C phase copper bar 33 by the 2nd C phase copper bar 34.
Further again, for the ease of the manufacturing of A phase coil 1, B phase coil 2 and C phase coil 3, in the utility model, described angle α, angle β are identical with the angle of angle γ, the angle of above-mentioned angle α, angle β and angle γ is all greater than 0 ° and is less than 360 °, as of the present utility model preferred further, the angle of described angle α, angle β and angle γ is 120 °; By the angle of angle α, angle β and angle γ is set to 120 °, so that A phase coil 1, B phase coil 2 and C phase coil 3 coiling, contribute to reducing production cost.
The foregoing is only preferred embodiments of the present utility model, as long as the technical scheme realizing the utility model object with basic same approach all belongs within protection range of the present utility model.
Claims (5)
1. the low voltage lead structure of a three-dimensional wound core dry type transformer, comprise A phase coil (1), B phase coil (2) and C phase coil (3), described A phase coil (1) is provided with the first head lug plate (11) of A phase and A phase tail head lug plate (12), B phase coil (2) is provided with the first head lug plate (21) of B phase and B phase tail head lug plate (22), C phase coil (3) is provided with the first head lug plate (31) of C phase and C phase tail head lug plate (32), it is characterized in that: the first head lug plate (11) of A phase of described A phase coil (1) and A phase tail head lug plate (12) be the α and shape has angle along the circumference distribution of A phase coil (1) and both stagger mutually, the first head lug plate (21) of B phase of B phase coil (2) and B phase tail head lug plate (22) be the β and shape has angle along the circumference distribution of B phase coil (2) and both stagger mutually, the first head lug plate (31) of C phase of C phase coil (3) and C phase tail head lug plate (32) be the γ and shape has angle along the circumference distribution of C phase coil (3) and both stagger mutually,
The first head lug plate (11) of A phase of described A phase coil (1) is connected with external circuitry with the 2nd A phase copper bar (14) respectively by an A phase copper bar (13) with A phase tail head lug plate (12);
The first head lug plate (21) of B phase of described B phase coil (2) is connected with an A phase copper bar (13) by a B phase copper bar (23), and described B phase tail head lug plate (22) is connected with external circuitry by the 2nd B phase copper bar (24);
The first head lug plate (31) of C phase of described C phase coil (3) is connected with an A phase copper bar (13), and C phase tail head lug plate (32) is connected with external circuitry by a C phase copper bar (33).
2. the low voltage lead structure of a kind of three-dimensional wound core dry type transformer according to claim 1, is characterized in that: described B phase tail head lug plate (22) is connected with the 2nd B phase copper bar (24) by the 3rd B phase copper bar (25).
3. the low voltage lead structure of a kind of three-dimensional wound core dry type transformer according to claim 1, is characterized in that: described C phase tail head lug plate (32) is connected with a C phase copper bar (33) by the 2nd C phase copper bar (34).
4. the low voltage lead structure of a kind of three-dimensional wound core dry type transformer according to claim 1 or 2 or 3, is characterized in that: described angle α, angle β are identical with the angle of angle γ.
5. the low voltage lead structure of a kind of three-dimensional wound core dry type transformer according to claim 4, is characterized in that: the angle of described angle α, angle β and angle γ is 120 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520113454.XU CN204407155U (en) | 2015-02-14 | 2015-02-14 | A kind of low voltage lead structure of three-dimensional wound core dry type transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520113454.XU CN204407155U (en) | 2015-02-14 | 2015-02-14 | A kind of low voltage lead structure of three-dimensional wound core dry type transformer |
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| CN204407155U true CN204407155U (en) | 2015-06-17 |
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| CN201520113454.XU Active CN204407155U (en) | 2015-02-14 | 2015-02-14 | A kind of low voltage lead structure of three-dimensional wound core dry type transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110706906A (en) * | 2019-09-18 | 2020-01-17 | 上海置信电气股份有限公司 | Transformer low-voltage lead structure |
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- 2015-02-14 CN CN201520113454.XU patent/CN204407155U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110706906A (en) * | 2019-09-18 | 2020-01-17 | 上海置信电气股份有限公司 | Transformer low-voltage lead structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGDONG CHANGKAI ELECTRIC CO., LTD. Free format text: FORMER OWNER: HAIHONG ELECTRIC CO., LTD. Effective date: 20150907 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150907 Address after: 529300 Guangdong city of Kaiping province Tsui Lake District No. 3 Huancui West Road, building 5, two Patentee after: GUANGDONG CHANGKAI ELECTRIC CO., LTD. Address before: 529300 Guangdong city of Jiangmen province Kaiping Tsui Lake District No. 3 Huancui West Road Patentee before: HAIHONG ELECTRIC CO., LTD. |