CN203406156U - Low-remanence high-permeability mutual inductor - Google Patents
Low-remanence high-permeability mutual inductor Download PDFInfo
- Publication number
- CN203406156U CN203406156U CN201320389752.2U CN201320389752U CN203406156U CN 203406156 U CN203406156 U CN 203406156U CN 201320389752 U CN201320389752 U CN 201320389752U CN 203406156 U CN203406156 U CN 203406156U
- Authority
- CN
- China
- Prior art keywords
- mutual inductor
- outer shell
- permeability
- low
- remanence
- 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 - Lifetime
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000005389 magnetism Effects 0.000 claims description 13
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000002159 nanocrystal Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000035699 permeability Effects 0.000 abstract description 4
- 238000000137 annealing Methods 0.000 abstract description 3
- 230000005415 magnetization Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000002707 nanocrystalline material Substances 0.000 abstract 2
- 230000000694 effects Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
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- Transformers For Measuring Instruments (AREA)
Abstract
The utility model relates to the technical field of mutual inductors, in particular to a low-remanence high-permeability mutual inductor which comprises an outer shell base, an outer shell cover, inserting pins and a coil. The outer shell cover is arranged on the outer shell base, the coil is arranged in the outer shell cover, the inserting pins are arranged under the outer shell base, and the outer shell base and the outer shell cover are made of Fe-based nanocrystalline materials. According to the low-remanence high-permeability mutual inductor, the Fe-based nanocrystalline materials are used, the magnetic permeability of the mutual inductor in the using range is guaranteed, an iron core is subjected to the annealing process through a high-temperature horizontal magnetic filed, remanence of the mutual inductor and stability of performance of the mutual inductor are guaranteed, the mutual inductor can resist certain direct currents, under the magnetization of the direct currents, the mutual inductor still can maintain certain magnetic performance, and the mutual inductor is suitable for places where A-type residual-current circuit breakers are applied, and is good in using effect.
Description
Technical field
The utility model relates to instrument transformer technical field, the high magnetic conduction instrument transformer of especially a kind of low remanent magnetism.
Background technology
Can there is higher remanent magnetism in instrument transformer, and higher remanent magnetism can cause instrument transformer work to occur error in work between instrument transformer, and the safety that affects productive life is carried out normally, and result of use is poor.
Utility model content
In order to overcome the too high deficiency of existing instrument transformer remanent magnetism, the utility model provides a kind of low remanent magnetism high magnetic conduction instrument transformer.
The utility model solves the technical scheme that its technical problem adopts: the high magnetic conduction instrument transformer of a kind of low remanent magnetism, at the bottom of comprising shell, casing cover, contact pin and coil, at the bottom of described shell, be provided with casing cover, in described casing cover, be provided with coil, side is provided with contact pin under described shell, at the bottom of described shell and casing cover adopt the manufacture of iron based nano crystal material.
The beneficial effects of the utility model are, the high magnetic conduction instrument transformer of this low remanent magnetism, product adopts iron based nano crystal material, has guaranteed the permeability of instrument transformer in the scope of application, and iron core is through high temperature transverse magnetic field annealing in process, stablizing of the remanent magnetism of the product guaranteeing and properties of product, this kind of instrument transformer can resist certain direct current, and instrument transformer is under the magnetization of direct current, and instrument transformer can also keep certain magnetic property, the applicable situation that is applicable to A type residual current circuit breaker, result of use is good.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is cutaway view of the present utility model;
Fig. 3 is end view of the present utility model;
In figure 1, at the bottom of shell, 2, casing cover, 3, contact pin, 4, coil.
Embodiment
If Fig. 1 is structural representation of the present utility model, the high magnetic conduction instrument transformer of a kind of low remanent magnetism, comprise at the bottom of shell 1, casing cover 2, contact pin 3 and coil 4, at the bottom of described shell, 1 is provided with casing cover 2, in described casing cover 2, be provided with coil 4, at the bottom of described shell, 1 below is provided with contact pin 3, at the bottom of described shell 1 and casing cover 2 adopt the manufacture of iron based nano crystal materials.
At the bottom of the shell of the high magnetic conduction instrument transformer of this low remanent magnetism 1 and casing cover 2 adopt the manufacture of iron based nano crystal materials, iron based nano crystal material is permeability magnetic material, guaranteed the permeability of instrument transformer in the scope of application, and iron core in coil 4 in instrument transformer is through high temperature transverse magnetic field annealing in process, stablizing of the remanent magnetism of the product guaranteeing and properties of product, sensor can resist certain direct current, instrument transformer is under the magnetization of direct current, instrument transformer can also keep certain magnetic property, the applicable situation that is applicable to A type residual current circuit breaker, result of use is good.
Claims (1)
1. the high magnetic conduction instrument transformer of low remanent magnetism, (1), casing cover (2), contact pin (3) and coil (4) at the bottom of comprising shell, at the bottom of described shell, (1) is provided with casing cover (2), in described casing cover (2), be provided with coil (4), at the bottom of described shell, (1) below is provided with contact pin (3), it is characterized in that, at the bottom of described shell, (1) and casing cover (2) adopt the manufacture of iron based nano crystal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320389752.2U CN203406156U (en) | 2013-07-02 | 2013-07-02 | Low-remanence high-permeability mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320389752.2U CN203406156U (en) | 2013-07-02 | 2013-07-02 | Low-remanence high-permeability mutual inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203406156U true CN203406156U (en) | 2014-01-22 |
Family
ID=49942080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320389752.2U Expired - Lifetime CN203406156U (en) | 2013-07-02 | 2013-07-02 | Low-remanence high-permeability mutual inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203406156U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882263A (en) * | 2015-06-23 | 2015-09-02 | 无锡晶磊电子有限公司 | Laminated riveting block-shaped current transformer |
-
2013
- 2013-07-02 CN CN201320389752.2U patent/CN203406156U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882263A (en) * | 2015-06-23 | 2015-09-02 | 无锡晶磊电子有限公司 | Laminated riveting block-shaped current transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140122 |