CN201638644U - Voltage transformer iron core - Google Patents
Voltage transformer iron core Download PDFInfo
- Publication number
- CN201638644U CN201638644U CN2010201516626U CN201020151662U CN201638644U CN 201638644 U CN201638644 U CN 201638644U CN 2010201516626 U CN2010201516626 U CN 2010201516626U CN 201020151662 U CN201020151662 U CN 201020151662U CN 201638644 U CN201638644 U CN 201638644U
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- CN
- China
- Prior art keywords
- iron core
- laminations
- transformer
- voltage transformer
- utility
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a voltage transformer iron core, which comprises a plurality of laminations with different widths. The laminations are in the shape of closed rings and are overlapped to form a step-shaped annular structure. The laminations forming the iron core adopt an integral closed structure without abutting, are simple in manufacturing process and save time and labor. After the laminations are overlapped, the iron core does not have joint seams, a magnetic circuit does not have air gaps, magnetic resistance is greatly reduced, magnetic flux is increased obviously, a transformer made from the iron core can meet various technical requirements specified by corresponding national standards, accuracy class can achieve 0.2 class smoothly, and angular difference is reduced to 2 points from original 12 points, thereby greatly increasing product quality of the transformer and greatly reducing noise and heat quantity of the transformer during usage.
Description
Technical field
The utility model relates to a kind of voltage transformer, and especially a kind of iron core of voltage transformer belongs to electrical equipment technical field.
Background technology
Transformer iron core is one of important component part of instrument transformer.Existing voltage transformer iron core is made of the butt joint of pair of U-shaped iron core, the U-iron core is superimposed by the U-shaped silicon steel sheet of multi-disc different in width, dipping lacquer, oven dry form, the transformer iron core manufacturing process complexity of this structure, production efficiency is low, and two seams of existence on the iron core, cause existing on the magnetic circuit air gap, magnetic resistance is big, magnetic flux is low, instrument transformer in use noise and caloric value is big, the instrument transformer made from this iron core often is difficult to reach every specification requirement of respective country standard code, especially is difficult to reach 0.2 grade class of accuracy requirement.
The utility model content
The magnetic resistance that prior art exists is big, magnetic flux is low in order to overcome, noise and the big defective of caloric value, and the purpose of this utility model provides a kind of jointless voltage transformer iron core.
The utility model is achieved by the following technical programs:
A kind of voltage transformer iron core comprises the lamination of multi-disc different in width, and described lamination is the annular of sealing, and the multi-disc lamination stack is synthesized stepped loop configuration.
The purpose of this utility model can also further realize by following technical measures.
Aforesaid voltage transformer iron core, wherein said lamination be shaped as hollow rectangle.
The utility model adopts the integrally closed structure, need not butt joint, and manufacturing process is simple, and is time saving and energy saving; Owing to do not have seam on the iron core, just there is not air gap on the magnetic circuit yet, magnetic resistance greatly reduces, magnetic flux obviously improves, the instrument transformer made from this iron core can satisfy every specification requirement of respective country standard code, and class of accuracy can reach 0.2 grade smoothly, and angular difference was reduced to 2 fens by original 12 minutes, improved the product quality of instrument transformer greatly, instrument transformer is noise and also greatly minimizing of caloric value in use.
Advantage of the present utility model and characteristics will illustrate by the non-limitative illustration of following preferred embodiment and explain that these embodiment only provide as an example with reference to accompanying drawing.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 1, the utility model comprises the lamination 1 of multi-disc different in width, lamination 1 adopts silicon plate integral body to strike out the annular of sealing, lamination 1 with different in width is overlapped into stepped loop configuration then, fastening mutually between the lamination 1, lamination 1 be shaped as hollow rectangle, adopt special-purpose coil winding machine can be on the voltage transformer iron core of making winding of coiling voltage transformer and secondary winding.
In addition to the implementation, the utility model can also have other execution modes, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection range of the utility model requirement.
Claims (2)
1. voltage transformer iron core comprises the lamination of multi-disc different in width, and described lamination stack is synthesized stepped loop configuration, it is characterized in that: described lamination is the annular of sealing.
2. voltage transformer iron core as claimed in claim 1 is characterized in that: described lamination be shaped as hollow rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201516626U CN201638644U (en) | 2010-04-06 | 2010-04-06 | Voltage transformer iron core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201516626U CN201638644U (en) | 2010-04-06 | 2010-04-06 | Voltage transformer iron core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201638644U true CN201638644U (en) | 2010-11-17 |
Family
ID=43083149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201516626U Expired - Fee Related CN201638644U (en) | 2010-04-06 | 2010-04-06 | Voltage transformer iron core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201638644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545099A (en) * | 2013-10-22 | 2014-01-29 | 江苏靖江互感器厂有限公司 | Voltage mutual inductor |
-
2010
- 2010-04-06 CN CN2010201516626U patent/CN201638644U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545099A (en) * | 2013-10-22 | 2014-01-29 | 江苏靖江互感器厂有限公司 | Voltage mutual inductor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20140406 |