CN204117788U - A kind of three-dimensional wound core dry type transformer low voltage lead structure - Google Patents
A kind of three-dimensional wound core dry type transformer low voltage lead structure Download PDFInfo
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- CN204117788U CN204117788U CN201420505922.3U CN201420505922U CN204117788U CN 204117788 U CN204117788 U CN 204117788U CN 201420505922 U CN201420505922 U CN 201420505922U CN 204117788 U CN204117788 U CN 204117788U
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Abstract
A kind of three-dimensional wound core dry type transformer low voltage lead structure disclosed in the utility model, comprise the three dimensional wound core that is triangularly arranged and respectively around A, B, C three-phase low-voltage coil on three dimensional wound core, each phase low-voltage coil is drawn respectively head end outlet and tail end outlet, each phase low-voltage coil correspondence is provided with binding post, the head end outlet of described each phase low-voltage coil is connected on the binding post of each phase respectively by lead-in wire, and the tail end outlet of each phase low-voltage coil is connected by lead-in wire; The outlet of B phase tail end is connected by lead-in wire with the outlet of C phase tail end, the outlet of A phase tail end is connected to through lead-in wire the midpoint gone between the outlet of B phase tail end with the outlet of C phase tail end, this midpoint draws O phase connection terminal, described O phase connection terminal arranges and is positioned on the same side at each phase connection terminal place, simple for structure, province's material, solves the problem of down-lead structure for solid wound core dry transformer complexity.
Description
Technical field
The utility model relates to the technical field of transformer lead, especially a kind of three-dimensional wound core dry type transformer low voltage lead structure.
Background technology
Floor plan three-phase transformer traditional in the market, low-voltage wiring terminal is positioned at same plane, facilitates terminal block.And three-dimensional wound core dry type transformer wiring for the convenience of the user, low-voltage wiring terminal is needed to guide on same plane equally, low-pressure side generally adopts copper bus-bar to connect, due to three dimensional wound core reasons in structure, will cause wiring complicated, in disorder, take up room, the uneven problem such as large of D.C. resistance.
Utility model content
In order to solve the problems of the technologies described above, a kind of three-dimensional wound core dry type transformer low voltage lead structure that the utility model provides, makes wiring simple, convenient, solves the problem of three-dimensional wound core dry type transformer low voltage lead structure complexity.
To achieve these goals, the technical scheme that the utility model adopts is:
A kind of three-dimensional wound core dry type transformer low voltage lead structure, comprise the three dimensional wound core that is triangularly arranged and respectively around A, B, C three-phase low-voltage coil on three dimensional wound core, each phase low-voltage coil is drawn respectively head end outlet and tail end outlet, each phase low-voltage coil correspondence is provided with binding post, and each phase connection terminal setting is positioned on same side, the head end outlet of described each phase low-voltage coil is connected on the binding post of each phase respectively by lead-in wire, and the tail end outlet of each phase low-voltage coil is connected by lead-in wire;
Wherein, the outlet of B phase tail end is connected by lead-in wire with the outlet of C phase tail end, the outlet of A phase tail end is connected to the midpoint of the lead-in wire between the outlet of B phase tail end with the outlet of C phase tail end through lead-in wire, and make this mid point all equal to the wire length of A, B, C phase tail end outlet, and this midpoint draws O phase connection terminal, described O phase connection terminal arranges and is positioned on the same side at each phase connection terminal place.
The improvement of technique scheme, described A, B, C and O phase connection terminal are positioned at A phase with on the side corresponding to C phase low-voltage coil.
The further improvement of technique scheme, the head end outlet of each phase low-voltage coil and tail end outlet arrange the same outlet position being positioned at place low-voltage coil, and head end outlet and tail end outlet are by the parallel extraction of lead-in wire.
The further improvement of technique scheme, after the parallel extraction of lead-in wire of the head end outlet of described B phase low-voltage coil, the top extending across three dimensional wound core is connected with B phase connection terminal.
The improvement of technique scheme, also comprises the upper clamping piece for fixing three dimensional wound core and lower clamping piece, and described upper clamping piece is provided with down-lead bracket, and described A, B, C and O phase connection terminal are fixed on down-lead bracket.
The beneficial effects of the utility model: this three-dimensional wound core dry type transformer utilizes lead-in wire A, B, C and O phase connection terminal to be all arranged on same side, pin configuration is reliable, save the consumption of transformer low-voltage lead, and then reduce the volume of transformer, D.C. resistance balance requirement can be met, facilitate wiring when three-dimensional wound core dry type transformer is installed.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is the principle schematic that in the utility model, three-phase low-voltage coil connects.
Embodiment
See figures.1.and.2, a kind of three-dimensional wound core dry type transformer low voltage lead structure that the utility model provides, comprise the three dimensional wound core that is triangularly arranged and respectively around A, B, C three-phase low-voltage coil on three dimensional wound core, described three dimensional wound core is fixed between upper clamping piece and lower clamping piece, and described upper clamping piece is provided with down-lead bracket.Each phase low-voltage coil is drawn respectively head end outlet and tail end outlet, each phase low-voltage coil correspondence is provided with binding post, the head end outlet of described each phase low-voltage coil is connected on the binding post of each phase respectively by lead-in wire, and the tail end outlet of each phase low-voltage coil is connected by lead-in wire; Wherein, the outlet of B phase tail end is connected by lead-in wire with the outlet of C phase tail end, the outlet of A phase tail end is connected to the midpoint of the lead-in wire between the outlet of B phase tail end with the outlet of C phase tail end through lead-in wire, and make this mid point all equal to the wire length of A, B, C phase tail end outlet, draw O phase connection terminal in this midpoint, this O phase connection terminal is neutral point, makes each phase low-voltage coil resistance balance, thus formation star connection, A, B, C and O phase connection terminal are fixed on down-lead bracket.
A, B, C and O phase connection terminal are arranged on same side, are preferably positioned at A phase with on the side corresponding to C phase low-voltage coil.The head end outlet of each phase low-voltage coil and tail end outlet arrange the same outlet position being positioned at place low-voltage coil, and head end outlet and tail end outlet are by the parallel extraction of lead-in wire, after the parallel extraction of lead-in wire of the head end outlet of B phase low-voltage coil 2, the top extending across three dimensional wound core is connected with B phase connection terminal, and the lead-in wire of above-mentioned employing is copper bar.
The attached one lead-in wire connected mode that Figure 1 shows that the present embodiment, the head end outlet a ' of A phase low-voltage coil 1, the head end outlet b ' of B phase low-voltage coil 2, the head end outlet c ' of C phase low-voltage coil 3 is connected respectively to binding post a through lead-in wire, binding post b, on binding post c, the binding post of three-phase is positioned at A phase with on the side corresponding to C phase low-voltage coil, x, y, z is respectively A, B, the tail end outlet of C phase low-voltage coil, lead-in wire zy connects tail end outlet z and tail end outlet y, lead-in wire x draws the midpoint being connected to lead-in wire zy from tail end outlet x, this midpoint draws the binding post o of O phase, this binding post o is positioned at binding post a, b, on the side at c place, four binding posts are positioned at the same side, facilitate transformer and external circuit wiring, fast easier for installation.
The above, just preferred embodiment of the present utility model, the utility model is not limited to the structure of above-mentioned execution mode, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection range of the present utility model.
Claims (5)
1. a three-dimensional wound core dry type transformer low voltage lead structure, comprise the three dimensional wound core that is triangularly arranged and respectively around A, B, C three-phase low-voltage coil on three dimensional wound core, each phase low-voltage coil is drawn respectively head end outlet and tail end outlet, each phase low-voltage coil correspondence is provided with binding post, and each phase connection terminal setting is positioned on same side, it is characterized in that: the head end outlet of described each phase low-voltage coil is connected on the binding post of each phase respectively by lead-in wire, and the tail end outlet of each phase low-voltage coil is connected by lead-in wire;
Wherein, the outlet of B phase tail end is connected by lead-in wire with the outlet of C phase tail end, the outlet of A phase tail end is connected to the midpoint of the lead-in wire between the outlet of B phase tail end with the outlet of C phase tail end through lead-in wire, and make this mid point all equal to the wire length of A, B, C phase tail end outlet, and this midpoint draws O phase connection terminal, described O phase connection terminal arranges and is positioned on the same side at each phase connection terminal place.
2. a kind of three-dimensional wound core dry type transformer low voltage lead structure according to claim 1, is characterized in that: described A, B, C and O phase connection terminal are positioned at A phase with on the side corresponding to C phase low-voltage coil.
3. a kind of three-dimensional wound core dry type transformer low voltage lead structure according to claim 2, it is characterized in that: the head end outlet of each phase low-voltage coil and tail end outlet arrange the same outlet position being positioned at place low-voltage coil, and head end outlet and tail end outlet are by the parallel extraction of lead-in wire.
4. a kind of three-dimensional wound core dry type transformer low voltage lead structure according to claim 3, is characterized in that: after the parallel extraction of lead-in wire of the head end outlet of described B phase low-voltage coil, and the top extending across three dimensional wound core is connected with B phase connection terminal.
5. a kind of three-dimensional wound core dry type transformer low voltage lead structure according to claim 1, it is characterized in that: also comprise the upper clamping piece for fixing three dimensional wound core and lower clamping piece, described upper clamping piece is provided with down-lead bracket, and described A, B, C and O phase connection terminal are fixed on down-lead bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420505922.3U CN204117788U (en) | 2014-09-03 | 2014-09-03 | A kind of three-dimensional wound core dry type transformer low voltage lead structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420505922.3U CN204117788U (en) | 2014-09-03 | 2014-09-03 | A kind of three-dimensional wound core dry type transformer low voltage lead structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204117788U true CN204117788U (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420505922.3U Active CN204117788U (en) | 2014-09-03 | 2014-09-03 | A kind of three-dimensional wound core dry type transformer low voltage lead structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115036113A (en) * | 2022-07-04 | 2022-09-09 | 江门市赛为电力科技有限公司 | Lead wire mode of oil-immersed foil-wound three-dimensional wound core transformer |
-
2014
- 2014-09-03 CN CN201420505922.3U patent/CN204117788U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115036113A (en) * | 2022-07-04 | 2022-09-09 | 江门市赛为电力科技有限公司 | Lead wire mode of oil-immersed foil-wound three-dimensional wound core transformer |
| CN115036113B (en) * | 2022-07-04 | 2024-02-27 | 江门市赛为电力科技有限公司 | Lead mode of oil-immersed foil winding three-dimensional coiled iron core transformer |
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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: 20150902 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150902 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. |