CN220041570U - Grounding structure of external amorphous alloy iron core - Google Patents
Grounding structure of external amorphous alloy iron core Download PDFInfo
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- CN220041570U CN220041570U CN202320974708.1U CN202320974708U CN220041570U CN 220041570 U CN220041570 U CN 220041570U CN 202320974708 U CN202320974708 U CN 202320974708U CN 220041570 U CN220041570 U CN 220041570U
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- Prior art keywords
- amorphous alloy
- alloy iron
- grounding
- iron core
- grounding structure
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 229910000808 amorphous metal alloy Inorganic materials 0.000 title claims abstract description 57
- 210000001503 joint Anatomy 0.000 claims abstract description 4
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 4
- 239000012634 fragment Substances 0.000 abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses a grounding structure of an external amorphous alloy iron core, which comprises a plurality of amorphous alloy iron cores, wherein the outer shells of the amorphous alloy iron cores are distributed in a multi-arch structure; the outer shell of the amorphous alloy iron cores is divided into 2 rows and one-to-one end parts are in butt joint; the grounding structure further comprises a grounding wire, wherein the grounding wire sequentially passes through the rest amorphous alloy iron cores from the outer shell of the amorphous alloy iron core at the outermost side, and finally is led out to be grounded; and the grounding wire is welded and fixed with the grounding part of each amorphous alloy iron core. The overlap joint surface of the amorphous alloy iron core overlap joint is ensured, the amorphous alloy iron core overlap joint has no local stress phenomenon, no-load loss is reduced, no-load current is reduced, and noise is reduced. The grounding structure can reduce iron core fragments.
Description
Technical Field
The utility model relates to the technical field of transformers, in particular to a grounding structure of an external amorphous alloy iron core.
Background
The traditional amorphous alloy iron core grounding is to manufacture an amorphous iron core grounding copper sheet in advance according to the size of the iron core. The amorphous alloy iron cores are arranged in the coils, the lap joint of each amorphous alloy iron core frame is overlapped, a prefabricated grounding copper sheet is inserted into the lap joint of each frame, and the grounding copper sheet connects the frames of the amorphous alloy iron cores in series to a clamping piece (ground). The method implemented as described above will have the following drawbacks:
1. the amorphous alloy material single sheet has extremely thin thickness and extremely brittleness, is extremely easy to break when being inserted into the grounding copper sheet, influences the iron core joint surface, increases the no-load loss and no-load current of the iron core, and is also extremely easy to pollute insulating oil by amorphous alloy fragments.
2. The amorphous alloy material is sensitive to stress, and the lap joint is inserted into the grounding copper sheet to locally stress the amorphous alloy iron core, so that no-load loss, no-load current and noise are increased.
3. The grounding copper sheet is required to be prefabricated according to the size of the iron core, and the production efficiency is affected.
Therefore, how to control amorphous iron core fragments, ensure the iron core joint surface, reduce the iron core no-load loss, no-load current and noise and improve the production efficiency in the assembly process of the amorphous alloy transformer is a problem to be solved by the current technicians in the field.
Disclosure of Invention
Aiming at the defects in the prior art, the technical problem to be solved by the utility model is to provide a grounding structure of an external amorphous alloy iron core, and the purpose of designing the grounding structure is as follows: the overlapping surface of the amorphous alloy iron core overlapping joint is ensured, the amorphous alloy iron core overlapping joint has no local stress phenomenon, no-load loss is reduced, no-load current is reduced, and noise is reduced.
In order to solve the technical problems, the utility model is realized by the following scheme: the utility model relates to a grounding structure of an external amorphous alloy iron core, which comprises a plurality of amorphous alloy iron cores, wherein the outer shells of the amorphous alloy iron cores are distributed in a multi-arch structure;
the outer shell of the amorphous alloy iron cores is divided into 2 rows and one-to-one end parts are in butt joint;
the grounding structure further comprises a grounding wire, wherein the grounding wire sequentially passes through the rest amorphous alloy iron cores from the outer shell of the amorphous alloy iron core at the outermost side, and finally is led out to be grounded;
and the grounding wire is welded and fixed with the grounding part of each amorphous alloy iron core.
Further, the grounding wire is a silicon steel belt.
Further, the silicon steel strip is a 20mm wide grounding plate.
Further, the number of welding points between the grounding wire and each grounding part is at least 2.
Further, the outer shell is a silicon steel sheet.
Compared with the prior art, the utility model has the beneficial effects that: the overlap joint surface of the amorphous alloy iron core overlap joint is ensured, the amorphous alloy iron core overlap joint has no local stress phenomenon, no-load loss is reduced, no-load current is reduced, and noise is reduced.
The grounding structure can reduce iron core fragments.
Drawings
Fig. 1 is a grounding structure diagram of an external amorphous alloy iron core according to the present utility model.
The reference numerals in the drawings: amorphous alloy iron core 1, earth connection 9, solder joint 10.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described in the following with reference to the drawings in the embodiments of the present utility model, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, and thus the protection scope of the present utility model is more clearly and clearly defined. In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Example 1: the specific structure of the utility model is as follows:
referring to fig. 1, the grounding structure of an external amorphous alloy iron core of the present utility model includes a plurality of amorphous alloy iron cores 1, wherein the outer shells of the amorphous alloy iron cores 1 are distributed in a multi-arch structure;
the outer shell of the amorphous alloy iron cores 1 are respectively arranged in 2 columns and are in butt joint at one-to-one end part;
the grounding structure further comprises a grounding wire 9, wherein the grounding wire 9 sequentially passes through the rest amorphous alloy iron cores 1 from the outer shell of one amorphous alloy iron core 1 at the outermost side and finally is led out to be grounded;
the ground wire 9 is welded to the ground portion of each amorphous alloy core 1.
A preferred technical scheme of the embodiment is as follows: the grounding wire 9 is a silicon steel belt.
A preferred technical scheme of the embodiment is as follows: the silicon steel strip is a 20mm wide grounding piece.
A preferred technical scheme of the embodiment is as follows: the number of the grounding wire 9 and the number of the welding points 10 of each grounding part is at least 2.
A preferred technical scheme of the embodiment is as follows: the outer shell is a silicon steel sheet.
Example 2:
the number of welding spots 10 between the silicon steel strip and each grounding part is 2.
Example 3:
as shown in fig. 1, after the lap joint of all the amorphous alloy iron core frames is completed, a coil of 20mm wide silicon steel strip is spot welded on the surface of the silicon steel sheet outside each amorphous alloy iron core frame by a TIG arc welder. Each amorphous iron core frame is connected in series through a silicon steel belt with the width of 20mm and led out to be grounded.
In summary, the overlap joint surface of the amorphous alloy iron core overlap joint is ensured, the amorphous alloy iron core overlap joint has no local stress phenomenon, no-load loss is reduced, no-load current is reduced, and noise is reduced. The grounding structure can reduce iron core fragments and ensure the reliable quality of insulating oil; shortening working time and improving production efficiency.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the scope of the utility model.
Claims (5)
1. The grounding structure of the external amorphous alloy iron core is characterized by comprising a plurality of amorphous alloy iron cores (1), wherein the outer shells of the amorphous alloy iron cores (1) are distributed in a multi-arch structure;
the outer shell of the amorphous alloy iron cores (1) are respectively arranged in 2 rows and are in butt joint at one-to-one end part;
the grounding structure further comprises a grounding wire (9), wherein the grounding wire (9) sequentially passes through the rest amorphous alloy iron cores (1) from the outer shell of the amorphous alloy iron core (1) at the outermost side, and finally is led out to be grounded;
the grounding wire (9) is welded and fixed with the grounding part of each amorphous alloy iron core (1).
2. The grounding structure of an exterior amorphous alloy iron core according to claim 1, wherein the grounding wire (9) is a silicon steel strip.
3. The grounding structure of an exterior amorphous alloy iron core according to claim 2, wherein the silicon steel strip is a 20mm wide grounding piece.
4. The grounding structure of an exterior amorphous alloy core according to claim 1, wherein the number of welding points between the grounding wire (9) and each grounding portion is at least 2.
5. The grounding structure of an exterior amorphous alloy core as set forth in claim 1, wherein said outer case is a sheet of silicon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320974708.1U CN220041570U (en) | 2023-04-25 | 2023-04-25 | Grounding structure of external amorphous alloy iron core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320974708.1U CN220041570U (en) | 2023-04-25 | 2023-04-25 | Grounding structure of external amorphous alloy iron core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220041570U true CN220041570U (en) | 2023-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320974708.1U Active CN220041570U (en) | 2023-04-25 | 2023-04-25 | Grounding structure of external amorphous alloy iron core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220041570U (en) |
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2023
- 2023-04-25 CN CN202320974708.1U patent/CN220041570U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231214 Address after: 570100 No. 16, Xiuying Avenue, Haikou City, Hainan Province Patentee after: HAINAN WEITE ELECTRIC GROUP Co.,Ltd. Patentee after: Hainan Weite Electric Power Equipment Co.,Ltd. Address before: 570100 No. 16, Xiuying Avenue, Haikou City, Hainan Province Patentee before: HAINAN WEITE ELECTRIC GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right |