CN210865876U - Reliable connection structure of iron core pulling plate and clamping piece of flexible direct transformer - Google Patents
Reliable connection structure of iron core pulling plate and clamping piece of flexible direct transformer Download PDFInfo
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- CN210865876U CN210865876U CN201922334866.7U CN201922334866U CN210865876U CN 210865876 U CN210865876 U CN 210865876U CN 201922334866 U CN201922334866 U CN 201922334866U CN 210865876 U CN210865876 U CN 210865876U
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Abstract
The utility model relates to a reliable connection structure of gentle straight transformer core arm-tie and folder belongs to transformer technical field. The technical scheme is as follows: the cable comprises a fixing plate (1), a cable (2), a crimping connector (3), an upper clamping piece (4), a lower clamping piece (5), a main column pull plate (6), an iron core main column (7), a copper short splicing piece (8) and an iron core side column (9), wherein the iron core main column (7) and the iron core side column (9) are positioned between the upper clamping piece (4) and the lower clamping piece (5), the upper clamping piece (4) and the lower clamping piece (5) are respectively provided with a fixing plate (1), and two ends of the cable (2) are respectively connected with the fixing plates (1) on the upper clamping piece and the lower clamping piece through the crimping connector (3); the main column pulling plate (6) is connected with the upper clamping piece (4) through a copper short connecting piece (8). The utility model has the advantages that: the structure is simple, the occupied space is small, and the problem of local overheating of metal structural parts caused by induced current in the iron core frame of the flexible-direct transformer can be effectively solved.
Description
Technical Field
The utility model relates to a reliable connection structure of gentle straight transformer core arm-tie and folder belongs to transformer technical field.
Background
The iron core frame of the high-voltage flexible direct transformer is composed of an upper clamping piece, a lower clamping piece, a pulling plate, a supporting plate and the like, when the inner side voltage regulating coil adopts a single spiral structure, the vertical component of the coil current generates induced current in the pulling plate, the induced current flows through the iron core frame, and the induced current can cause the potential safety hazard of local overheating of the contact surface because the contact surface between the side column pulling plate and the clamping piece web plate is small.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a gentle reliable connection structure of transformer core arm-tie and folder can avoid the local overheat that causes because of induced-current in the gentle transformer core frame, solves the problem that exists among the background art.
The technical scheme of the utility model is that:
a reliable connection structure of an iron core pulling plate and a clamping piece of a flexible direct-current transformer comprises a fixing plate, a cable, a crimping connector, an upper clamping piece, a lower clamping piece, a main column pulling plate, an iron core main column, a copper short splicing piece and an iron core side column, wherein the iron core main column and the iron core side column are positioned between the upper clamping piece and the lower clamping piece, the upper clamping piece and the lower clamping piece are respectively provided with the fixing plate, and two ends of the cable are respectively connected with the fixing plates on the upper clamping piece and the lower clamping piece through the crimping connector; the main column pulling plate is connected with the upper clamping piece through a copper short connecting piece.
The fixing plate is fixed at four corners of an upper clamping piece and a lower clamping piece which are close to the side column of the iron core, and the upper clamping piece and the lower clamping piece are connected through two groups of cables.
And a current loop is formed among the cable, the upper clamping piece, the lower clamping piece and the main column pulling plate.
Adopt the utility model discloses, copper short connector piece conductivity is strong, the magnetic conductivity is high, can derive induced-current from the arm-tie unshakable in one's determination through the copper short connector piece, and folder and lower folder are connected to the cable conductor, make and go up folder, lower folder, cable conductor and main post and form induced-current loop between the arm-tie, reduce gentle direct transformer and unshakable in one's determination eddy current loss, effectively avoid producing local overheat.
The utility model has the advantages that: the structure is simple, the occupied space is small, and the problem of local overheating of metal structural parts caused by induced current in the iron core frame of the flexible-direct transformer can be effectively solved.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a view of the induced current circuit of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1;
FIG. 4 is a cross-sectional view of FIG. 3;
in the figure: the cable clamp comprises a fixed plate 1, a cable 2, a pressure joint 3, an upper clamp 4, a lower clamp 5, a main column pulling plate 6, an iron core main column 7, a copper short connecting piece 8 and an iron core side column 9.
Detailed Description
The invention will be further explained by way of example with reference to the accompanying drawings.
Referring to the attached drawings 1-4, the structure for reliably connecting the iron core pulling plate and the clamping piece of the flexible-direct transformer comprises a fixing plate 1, a cable 2, a crimping connector 3, an upper clamping piece 4, a lower clamping piece 5, a main column pulling plate 6, an iron core main column 7, a copper short splicing piece 8 and an iron core side column 9, wherein the iron core main column 7 and the iron core side column 9 are positioned between the upper clamping piece 4 and the lower clamping piece 5, the fixing plate 1 is arranged on each of the upper clamping piece 4 and the lower clamping piece 5, and two ends of the cable 2 are respectively connected with the fixing plate 1 on the upper clamping piece 4 and the fixing plate 1 on the lower clamping piece 5; the main column pulling plate 6 is connected with the upper clamping piece 4 through a copper short-circuit piece 8,
in the present embodiment, as shown in fig. 1, 3 and 4, a copper short tab 8 is used to connect the main column pulling plate 6 with the upper clamping piece 4 at the main column position of the flexible-direct transformer core; fixing plates 1 are respectively welded near iron core side columns of an upper clamping piece 4 and a lower clamping piece 5, two groups of cables 2 with proper sections are connected to the four fixing plates 1 through crimping connectors 3, two ends of the upper clamping piece 4 and two ends of the lower clamping piece 5 are connected, and therefore a new current loop is formed among the cables 2, the upper clamping piece 4, the lower clamping piece 5 and a main column pulling plate 6, and as shown in the attached drawing 2, eddy current loss in the iron core pulling plate of the flexible direct transformer is reduced, and local overheating of a contact surface of the upper clamping piece is avoided.
Claims (3)
1. The utility model provides a reliable connection structure of gentle straight transformer core arm-tie and folder which characterized in that: the cable comprises a fixing plate (1), a cable (2), a crimping connector (3), an upper clamp (4), a lower clamp (5), a main column pull plate (6), an iron core main column (7), a copper short splicing sheet (8) and an iron core side column (9), wherein the iron core main column (7) and the iron core side column (9) are positioned between the upper clamp (4) and the lower clamp (5), the upper clamp (4) and the lower clamp (5) are both provided with the fixing plate (1), and two ends of the cable (2) are respectively connected with the fixing plate (1) on the upper clamp (4) and the fixing plate (1) on the lower clamp (5) through the crimping connector (3); the main column pulling plate (6) is connected with the upper clamping piece (4) through a copper short connecting piece (8).
2. The structure of claim 1, wherein the structure comprises: the fixing plate (1) is fixed at four corners of an upper clamping piece (4) and a lower clamping piece (5) which are close to an iron core side column (9), and the upper clamping piece (4) is connected with the lower clamping piece (5) through two groups of cables (2).
3. The structure of claim 2, wherein the pull plate and clip securely connect the transformer core, further comprising: and a current loop is formed among the cable (2), the upper clamping piece (4), the lower clamping piece (5) and the main column pulling plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922334866.7U CN210865876U (en) | 2019-12-24 | 2019-12-24 | Reliable connection structure of iron core pulling plate and clamping piece of flexible direct transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922334866.7U CN210865876U (en) | 2019-12-24 | 2019-12-24 | Reliable connection structure of iron core pulling plate and clamping piece of flexible direct transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210865876U true CN210865876U (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922334866.7U Active CN210865876U (en) | 2019-12-24 | 2019-12-24 | Reliable connection structure of iron core pulling plate and clamping piece of flexible direct transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210865876U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114093609A (en) * | 2021-12-01 | 2022-02-25 | 国网上海市电力公司 | Converter transformer's ware body structure |
| CN116705470A (en) * | 2023-06-29 | 2023-09-05 | 国家电网有限公司 | Flexible-direct transformer |
-
2019
- 2019-12-24 CN CN201922334866.7U patent/CN210865876U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114093609A (en) * | 2021-12-01 | 2022-02-25 | 国网上海市电力公司 | Converter transformer's ware body structure |
| CN116705470A (en) * | 2023-06-29 | 2023-09-05 | 国家电网有限公司 | Flexible-direct transformer |
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