CN214541862U - Pull plate type amorphous alloy transformer body structure - Google Patents
Pull plate type amorphous alloy transformer body structure Download PDFInfo
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- CN214541862U CN214541862U CN202120335798.0U CN202120335798U CN214541862U CN 214541862 U CN214541862 U CN 214541862U CN 202120335798 U CN202120335798 U CN 202120335798U CN 214541862 U CN214541862 U CN 214541862U
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Abstract
The pull plate type amorphous alloy transformer body structure comprises an amorphous alloy iron core 1, a pull plate 2 and a coil 3; the amorphous alloy iron core 1 is provided with a plurality of blocks in parallel; the amorphous alloy iron core 1 is sequentially wound with coils 3 from inside to outside; a pulling plate 2 is arranged between the amorphous alloy iron core 1 and the coil 3; two corresponding surfaces of each amorphous alloy iron core 1 are respectively provided with a pulling plate 2; the upper end and the lower end of the pulling plate 2 are respectively connected with an upper clamping piece 4 and a lower clamping piece 5; the structure of the utility model tightens the upper and lower clamping pieces, the cushion block and the damping rubber plate through the pulling plate, thereby compressing the coil; avoid appearing the tension that the outer coil pressed, and the interior coil is too loose the problem, make the effect that the coil can bear the short-circuit force, effectively improve anti short circuit ability, reduce the width of folder and oil tank simultaneously, can carry and practice thrift the cost to can avoid the iron core because of receiving the empty unstable problem of coil excessive extrusion.
Description
Technical Field
The utility model belongs to the technical field of the transformer is made, concretely relates to arm-tie formula metallic glass transformer ware body structure.
Background
At present, the amorphous alloy transformer which is vigorously pursued is characterized in that the structure of the transformer body is single due to the limitation of the width of a strip material which is inherent in the amorphous alloy, the end surface of an iron core is rectangular, a coil which is wound on the amorphous alloy iron core adopts a rectangular coil, the rectangular coil is locally stressed in the winding process, the winding of the rectangular coil is not tight enough, when the transformer is in short circuit, low voltage bears inward mechanical force, short circuit resistance is poor, the R angle of the inner side of the coil is small, the curvature radius of a lead is small in the winding process, insulation is easy to crack, and the winding is not compact enough, the traditional structure generally adopts the structure that the three-phase coil is placed on the lower clamping piece after being abutted, the axial pressing force is weak (only the self weight of the amorphous strip), the lower iron yoke is easy to be pressed (the bottom size of the window coil is not controllable), and the device has the defects of poor short circuit impact resistance, unstable no-load and the like.
Because the rectangular coil and the three-phase coil of the amorphous alloy transformer are close to each other, the traditional screw pulling rod structure is adopted, the screw pulling rod needs to be moved outwards in consideration of the insulation distance between the screw pulling rod and the coil, the width of a clamping piece and the width of an oil tank are increased, the problems that the outer coil is pressed too tightly and the inner coil is too loose occur, and the problems directly influence the safe operation of the amorphous alloy transformer.
Disclosure of Invention
An object of the utility model is to avoid prior art not enough, provide a arm-tie formula metallic glass transformer ware body structure to effectively solve prior art's problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the pull plate type amorphous alloy transformer body structure comprises an amorphous alloy iron core 1, a pull plate 2 and a coil 3,
the amorphous alloy iron core 1 is provided with a plurality of blocks in parallel; the amorphous alloy iron core 1 is sequentially wound with coils 3 from inside to outside; a pulling plate 2 is arranged between the amorphous alloy iron core 1 and the coil 3; two corresponding surfaces of each amorphous alloy iron core 1 are respectively provided with a pulling plate 2; the upper end and the lower end of the pulling plate 2 are respectively connected with an upper clamping piece 4 and a lower clamping piece 5; the upper clamping piece 4 is arranged at the top of the amorphous alloy iron core 1; the lower clamp 5 is arranged at the bottom of the amorphous alloy iron core 1;
cushion blocks 6 are arranged at the upper end and the lower end of the coil 3; the cushion block 6 is arranged between the coil 3 and the upper clamping piece 4 and the lower clamping piece 5; the upper clamping piece 4 and the lower clamping piece 5 are provided with compression screws 12.
Further, the pulling plate 2 is connected to the upper clamping piece 4 and the lower clamping piece 5 through dovetail grooves or shafts or bolts, and the cushion block 6 is positioned on the upper clamping piece 4 and the lower clamping piece 5 through round steel; most preferably, the bolts are configured as U-bolts. The two ends of the pulling plate are in dovetail groove shapes, are matched and clamped with the clamping piece, and are grooved in the middle, so that magnetic leakage loss is reduced.
Further, a damping rubber plate 7 is arranged between the cushion block 6 and the coil 3.
Further, an epoxy glass fiber reinforced plastic cylinder 8 is arranged on the outer wall of the amorphous alloy iron core 1; the pulling plate 2 is arranged outside the epoxy glass fiber reinforced plastic cylinder 8. And a pulling plate is arranged between the epoxy glass fiber reinforced plastic cylinder and the coil, so that the coil tends to be oblong, and the curvature radius of the lead is reduced.
Furthermore, the pulling plate 2 is made of a low-magnetic steel plate.
Further, a first slot 9 is arranged in the middle of the pulling plate 2. The pulling plate is made of a low-magnetic steel plate, the middle of the pulling plate is provided with a first open slot, and the pulling plate is connected with an upper clamping piece and a lower clamping piece and used for fastening the coil so that the coil can resist short circuit.
Further, an oil channel groove 10 is formed in one side of the cushion block 6 close to the coil 3.
Further, the cushion block 6 is made of wood or paper.
Further, the pulling plate 2 is alternatively provided as a weftless tape 11.
Compared with the prior art, the utility model discloses following beneficial effect has at least:
the structure of the utility model tightens the upper and lower clamping pieces, the cushion block and the damping rubber plate through the pulling plate, thereby compressing the coil; avoid appearing the tension that the outer coil pressed, and the interior coil is too loose the problem, make the effect that the coil can bear the short-circuit force, effectively improve anti short circuit ability, reduce the width of folder and oil tank simultaneously, can carry and practice thrift the cost to can avoid the iron core because of receiving the empty unstable problem of coil excessive extrusion.
Drawings
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a schematic structural view of the pulling plate 2 of the present invention;
fig. 4 is a schematic front view of embodiment 9 of the present invention;
fig. 5 is a schematic top view of embodiment 9 of the present invention.
In the figure: an amorphous alloy iron core 1; a pulling plate 2; a coil 3; an upper clamp 4; a lower clamp 5; a cushion block 6; a vibration damping rubber plate 7; an epoxy glass fiber reinforced plastic cylinder 8; a first slot 9; an oil passage groove 10; a weftless tape 11; the screw 12 is compressed.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in the figure:
example 1:
the pull plate type amorphous alloy transformer body structure comprises an amorphous alloy iron core 1, a pull plate 2 and a coil 3; the amorphous alloy iron core 1 is provided with a plurality of blocks in parallel; the amorphous alloy iron core 1 is sequentially wound with coils 3 from inside to outside; a pulling plate 2 is arranged between the amorphous alloy iron core 1 and the coil 3; two corresponding surfaces of each amorphous alloy iron core 1 are respectively provided with a pulling plate 2; the upper end and the lower end of the pulling plate 2 are respectively connected with an upper clamping piece 4 and a lower clamping piece 5; the upper clamping piece 4 is arranged at the top of the amorphous alloy iron core 1; the lower clamp 5 is arranged at the bottom of the amorphous alloy iron core 1; two ends of the pulling plate 2 are connected with an upper clamping piece 4 and a lower clamping piece 5 through U-shaped bolts; cushion blocks 6 are arranged at the upper end and the lower end of the coil 3; the cushion block 6 is arranged between the coil 3 and the upper clamping piece 4 and the lower clamping piece 5; the upper clamping piece 4 and the lower clamping piece 5 are provided with compression screws 12. The cushion block, the vibration reduction rubber plate 8 and the coil 3 are compressed through the screw arranged on the upper clamping piece 4, the cushion block 2 is laminated wood or laminated paper board, and the side, close to the coil, of the cushion block is provided with a groove to form an oil duct, so that the heat dissipation capacity of the coil is improved.
Example 2:
on the basis of the embodiment 1, the pulling plate 2 is connected to the upper clamping piece 4 and the lower clamping piece 5 through dovetail grooves or shafts or bolts, and the cushion block 6 is positioned on the upper clamping piece 4 and the lower clamping piece 5 through round steel.
Example 3:
on the basis of the embodiment 1-2, a damping rubber plate 7 is arranged between the cushion block 6 and the coil 3.
Example 4:
on the basis of the embodiments 1-3, an epoxy glass fiber reinforced plastic cylinder 8 is arranged on the outer wall of the amorphous alloy iron core 1; the pulling plate 2 is arranged outside the epoxy glass fiber reinforced plastic cylinder 8.
Example 5:
on the basis of the embodiments 1 to 4, the pulling plate 2 is made of a low-magnetic steel plate.
Example 6:
on the basis of the embodiments 1 to 5, the middle of the pulling plate 2 is provided with a first slot 9.
Example 7:
on the basis of the embodiments 1 to 6, the side of the pad 6 close to the coil 3 is provided with oil channel grooves 10.
Example 8:
on the basis of examples 1 to 7, the spacer 6 is provided as wood or paper.
Example 9:
on the basis of the embodiments 1-8, the pulling plate 2 is alternatively provided as a weftless tape 11. The pulling plate is made of a weftless tape, is connected with the upper clamping piece and the lower clamping piece through U-shaped bolts in an up-down mode and is used for fastening the coil, so that the coil can resist the short circuit; the pulling plate is made of a weftless tape, so that the magnetic leakage loss is reduced; in the process of tensioning the pulling plate, the coil is subjected to an outward force to resist the inward radial force of the low-voltage coil during short circuit, so that the iron core is prevented from being extruded, and the short circuit resistance of the coil is improved. The upper clamping piece and the lower clamping piece are tightened by U-shaped bolts to tightly press the coil.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. The pull plate type amorphous alloy transformer body structure is characterized by comprising an amorphous alloy iron core (1), a pull plate (2) and a coil (3);
the amorphous alloy iron core (1) is provided with a plurality of blocks in parallel; the amorphous alloy iron core (1) is sequentially wound with coils (3) from inside to outside; a pulling plate (2) is arranged between the amorphous alloy iron core (1) and the coil (3); two corresponding surfaces of each amorphous alloy iron core (1) are respectively provided with a pulling plate (2); the upper end and the lower end of the pulling plate (2) are respectively connected with an upper clamping piece (4) and a lower clamping piece (5); the upper clamping piece (4) is arranged at the top of the amorphous alloy iron core (1); the lower clamping piece (5) is arranged at the bottom of the amorphous alloy iron core (1);
cushion blocks (6) are arranged at the upper end and the lower end of the coil (3); the cushion block (6) is arranged between the coil (3) and the upper clamping piece (4) and the lower clamping piece (5); the upper clamping piece (4) and the lower clamping piece (5) are provided with compression screws (12); the pulling plate (2) is connected to the upper clamping piece (4) and the lower clamping piece (5) through dovetail grooves or shafts or bolts, and the cushion block (6) is positioned on the upper clamping piece (4) and the lower clamping piece (5) through round steel;
and a damping rubber plate (7) is arranged between the cushion block (6) and the coil (3).
2. The plate-pulling type amorphous alloy transformer body structure according to claim 1, wherein an epoxy glass fiber reinforced plastic cylinder (8) is arranged on the outer wall of the amorphous alloy iron core (1); the pulling plate (2) is arranged outside the epoxy glass fiber reinforced plastic cylinder (8).
3. The pull plate type amorphous alloy transformer body structure according to claim 1, wherein the pull plate (2) is made of a low magnetic steel plate.
4. The pulling plate type amorphous alloy transformer body structure according to claim 1, wherein a first slot (9) is arranged in the middle of the pulling plate (2).
5. The plate-pulling type amorphous alloy transformer body structure according to claim 1, wherein an oil channel groove (10) is formed in one side of the cushion block (6) close to the coil (3).
6. The pull plate type amorphous alloy transformer body structure according to claim 1, wherein the cushion block (6) is made of wood or paper.
7. The pulling plate type amorphous alloy transformer body structure according to claim 1, wherein the pulling plate (2) is alternatively provided as a weftless tape (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120335798.0U CN214541862U (en) | 2021-02-05 | 2021-02-05 | Pull plate type amorphous alloy transformer body structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120335798.0U CN214541862U (en) | 2021-02-05 | 2021-02-05 | Pull plate type amorphous alloy transformer body structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214541862U true CN214541862U (en) | 2021-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120335798.0U Active CN214541862U (en) | 2021-02-05 | 2021-02-05 | Pull plate type amorphous alloy transformer body structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214541862U (en) |
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2021
- 2021-02-05 CN CN202120335798.0U patent/CN214541862U/en active Active
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