A body structure of a high voltage transformer

Abstract

The present invention relates to a body structure of a high voltage transformer, belonging to the technical field of transformers. The technical scheme is: a voltage regulating winding 1 (2) and a voltage regulating winding 2 (3) are concentrically mounted on the outside of a high voltage winding (1); an insulating paperboard (4) and a formed angle ring (6) are placed between the voltage regulating winding 1 (2), the voltage regulating winding 2 (3) and the high voltage winding; a formed support (5) is supported between the voltage regulating winding 2 (3) and the voltage regulating winding 1 (2); a high voltage outlet line (7) is connected to the high voltage winding (1) and is led out through the formed angle ring (6). The beneficial effects of the present invention are: the body structure facilitates the placement of the voltage regulating winding, ensures the electric field requirements between the high voltage winding and the voltage regulating winding, and effectively improves the short circuit resistance of such a transformer.

Description

Technical Field

[0001] The invention relates to a body structure of a high voltage transformer, belonging to the technical field of transformers. Background Art

[0002] For high voltage transformers, since the voltage level of the first end of the high voltage winding is very high, the transformer design needs to make the first end of the high voltage winding exit in the middle of the high voltage winding, and this type of transformer sometimes needs to set an independent voltage regulating winding outside the high voltage winding. The body structure of this type of high voltage transformer is required to facilitate the placement of the voltage regulating winding, ensure the electric field requirements between the high voltage winding and the voltage regulating winding, and effectively improve the short circuit resistance of this type of transformer. However, the existing technology cannot meet such requirements. Summary of the invention

[0003] The purpose of the present invention is to provide a body structure of a high voltage transformer, which is convenient for placing the voltage regulating winding, ensures the electric field requirements between the high voltage winding and the voltage regulating winding, and effectively improves the short circuit resistance of such transformer, thereby solving the above-mentioned technical problems existing in the prior art.

[0004] The technical solution of the present invention is:

[0005] A body structure of a high-voltage transformer comprises a high-voltage winding, a first voltage regulating winding, a second voltage regulating winding, an insulating paperboard, a formed support, a formed angle ring and a high-voltage outlet line. The first voltage regulating winding and the second voltage regulating winding are concentrically mounted on the outside of the high-voltage winding, and the insulating paperboard and the formed angle ring are placed between the first voltage regulating winding, the second voltage regulating winding and the high-voltage winding; the formed support is supported between the second voltage regulating winding and the first voltage regulating winding; the high-voltage outlet line is connected to the high-voltage winding and is led out through the formed angle ring.

[0006] The insulating paperboard is a multi-layer structure with a U-shaped slot, and the U-shaped slot corresponds to the middle outlet position of the high-voltage winding; the formed angle ring passes through the U-shaped slot of the insulating paperboard, and the formed angle ring seals the U-shaped slot of the insulating paperboard.

[0007] The forming support is supported between the second voltage regulating winding and the first voltage regulating winding. The forming support is a split structure. The forming support is a profiling structure of the forming angle ring. The profiling structure of the forming support matches the forming angle ring.

[0008] The high-voltage output line is divided into two parts, namely output line connection one and output line connection two. Output line connection one needs to be welded together with the output line in the middle of the high-voltage winding and shall not exceed the radial height of the high-voltage winding. Output line connection two is a welded soft copper lead wire. The two parts of the high-voltage output line are mechanically connected as a whole.

[0009] The invention is applicable to the following conditions: a high-voltage transformer with a high-voltage winding having a middle outlet and an independent voltage regulating winding disposed outside the high-voltage winding.

[0010] The beneficial effects of the present invention are as follows: the body structure is convenient for placing the voltage regulating winding, ensuring the electric field requirements between the high-voltage winding and the voltage regulating winding, and effectively improving the short-circuit resistance of such transformers. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the present invention;

[0012] Figure 2 It is a schematic diagram of the insulating paperboard of the present invention;

[0013] Figure 3 is a schematic diagram of a formed angle ring of the present invention;

[0014] Figure 4 is a schematic top view of a formed angle ring of the present invention;

[0015] Figure 5 It is a schematic diagram of the forming support of the present invention;

[0016] Figure 6 is a schematic top view of the forming support of the present invention;

[0017] Figure 7 This is a schematic diagram of the high voltage outlet line connection;

[0018] Figure 8 This is the second schematic diagram of the high voltage outlet line connection;

[0019] In the figure: high-voltage winding 1, voltage regulating winding one 2, voltage regulating winding two 3, insulating paperboard 4, formed support 5, formed angle ring 6, high-voltage outgoing line 7, outgoing line connection one 8, outgoing line connection two 9, high-voltage winding middle outgoing line 10. DETAILED DESCRIPTION

[0020] The present invention will be further described below by way of embodiments with reference to the accompanying drawings.

[0021] A body structure of a high-voltage transformer comprises a high-voltage winding 1, a voltage-regulating winding 1 2, a voltage-regulating winding 2 3, an insulating cardboard 4, a formed support 5, a formed angle ring 6 and a high-voltage outlet line 7. The voltage-regulating winding 1 2 and the voltage-regulating winding 2 3 are concentrically mounted on the outside of the high-voltage winding 1, and the insulating cardboard 4 and the formed angle ring 6 are placed between the voltage-regulating winding 1 2, the voltage-regulating winding 2 3 and the high-voltage winding; the formed support 5 is supported between the voltage-regulating winding 2 3 and the voltage-regulating winding 1 2; the high-voltage outlet line 7 is connected to the high-voltage winding 1 and is led out through the formed angle ring 6.

[0022] The insulating paperboard 4 is a multi-layer structure with a U-shaped groove, and the U-shaped groove corresponds to the middle outlet position of the high-voltage winding; the formed angle ring 6 passes through the U-shaped groove of the insulating paperboard 4, and the formed angle ring 6 blocks the U-shaped groove of the insulating paperboard 4.

[0023] The forming support 5 is supported between the voltage regulating winding 2 3 and the voltage regulating winding 1 2 . The forming support 5 is a split structure. The forming support 5 is a profiling structure of the forming angle ring 6 . The profiling structure of the forming support 5 matches the forming angle ring 6 .

[0024] The high-voltage output line 7 is divided into two parts, namely output line connection one 8 and output line connection two 9, wherein output line connection one 8 needs to be welded together with the output line 10 in the middle of the high-voltage winding and does not exceed the radial height of the high-voltage winding. Output line connection two 9 is a welded soft copper lead wire, and the two parts of the high-voltage output line 7 are mechanically connected as a whole.

[0025] The invention is applicable to the following conditions: a high-voltage transformer with a high-voltage winding having a middle outlet and an independent voltage regulating winding disposed outside the high-voltage winding.

[0026] The specific implementation process of the present invention is as follows: the outlet connection 18 in the high-voltage outlet 7 is welded with the outlet 10 in the middle of the high-voltage winding, and does not exceed the radial height of the high-voltage winding. The multi-layer insulation paperboard 4 surrounds the outside of the high-voltage winding, and the U-shaped groove of the insulation paperboard 4 corresponds to the outlet position in the middle of the high-voltage winding 1. The multi-layer insulation paperboard 4 is supported and divided by a support bar. The voltage regulating winding 1 2 is placed on the outside of the insulation paperboard 4, and the formed angle ring 6 passes through the U-shaped groove of the insulation paperboard 4, and the formed angle ring 6 blocks the U-shaped groove of the insulation paperboard 4. The formed support 5 is placed around the upper part of the voltage regulating winding 1 2, and it is ensured that the contoured structure of the formed support 5 matches the formed angle ring 6. The voltage regulating winding 2 3 is placed, and it is ensured that the formed support 5 tightly supports the voltage regulating winding 2 3 and the voltage regulating winding 1 2. The outlet connection 2 9 in the high-voltage outlet 7 is mechanically connected with the outlet connection 1 8.

[0027] In summary, the present invention can facilitate the placement of the voltage regulating winding, ensure the electric field requirements between the high-voltage winding and the voltage regulating winding, and effectively improve the short-circuit resistance of such a transformer.

Claims

1. A body structure of a high voltage transformer, characterized in that: The invention comprises a high-voltage winding (1), a voltage regulating winding 1 (2), a voltage regulating winding 2 (3), an insulating paperboard (4), a formed support (5), a formed angle ring (6) and a high-voltage outlet line (7), wherein the voltage regulating winding 1 (2) and the voltage regulating winding 2 (3) are concentrically mounted on the outside of the high-voltage winding (1), and the insulating paperboard (4) and the formed angle ring (6) are placed between the voltage regulating winding 1 (2), the voltage regulating winding 2 (3) and the high-voltage winding; the formed support (5) is supported between the voltage regulating winding 2 (3) and the voltage regulating winding 1 (2); the high-voltage outlet line (7) is connected to the high-voltage winding (1) and is led out through the formed angle ring (6); The insulating paperboard (4) is a multi-layer structure with a U-shaped slot, the multi-layer insulating paperboard (4) surrounds the outside of the high-voltage winding (1), the U-shaped slot of the insulating paperboard (4) corresponds to the middle outlet position of the high-voltage winding (1), and the multi-layer insulating paperboard (4) is supported and divided by support bars; the voltage regulating winding 1 (2) and the voltage regulating winding 2 (3) are placed outside the insulating paperboard (4), the formed angle ring (6) passes through the U-shaped slot of the insulating paperboard (4), and the formed angle ring (6) blocks the U-shaped slot of the insulating paperboard (4); The forming support (5) is supported between the second voltage regulating winding (3) and the first voltage regulating winding (2); the forming support (5) is a split structure; the forming support (5) is a profiling structure of the forming angle ring (6); the profiling structure of the forming support (5) matches the forming angle ring (6).

2. The high voltage transformer body structure according to claim 1, characterized in that: The high-voltage outlet line (7) is divided into two parts, namely, outlet line connection one (8) and outlet line connection two (9), wherein the outlet line connection one (8) needs to be welded together with the outlet line (10) in the middle of the high-voltage winding and does not exceed the radial height of the high-voltage winding, and the outlet line connection two (9) is a welded soft copper lead wire, and the two parts of the high-voltage outlet line (7) are mechanically connected as a whole.

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