CN203026307U - Variable inductance value inductance iron core - Google Patents
Variable inductance value inductance iron core Download PDFInfo
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- CN203026307U CN203026307U CN 201220497768 CN201220497768U CN203026307U CN 203026307 U CN203026307 U CN 203026307U CN 201220497768 CN201220497768 CN 201220497768 CN 201220497768 U CN201220497768 U CN 201220497768U CN 203026307 U CN203026307 U CN 203026307U
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- iron core
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- inductance
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Abstract
The utility model discloses a variable inductance value inductance iron core which comprises an iron core pillar. A magnetic core air gap structure arranged in the middle of the iron core pillar is in a step-type structure. Saturation flux density of magnetic materials used by a magnetic core arranged at the position of a step in the middle of the iron core pillar is lower than magnetic flux density of materials used by a magnetic core arranged at the position where the step is not arranged. The magnetic core arranged in the middle of the iron core pillar is made of soft magnetic materials. According to the manner, the variable inductance value inductance iron core is capable of improving an inductance size use ratio under the condition that the size of an inductance is not increased.
Description
Technical field
The utility model relates to the transformer technology field, particularly relates to a kind of variable inductance amount inductor core.
Background technology
In general, the energy storage of inductance is directly proportional to inductance value, use the field of inductance at some, need to not increasing the inductance volume, improving the inductance value than underload (when being low current) under the condition of (the being large electric current) inductance value that do not reduce heavy duty, improve the inductance volume utilization.
The utility model content
The technical problem that the utility model mainly solves is to provide a kind of variable inductance amount inductor core, can improve the inductance volume utilization in the situation that do not increase the inductance volume.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of variable inductance amount inductor core is provided, the magnetic core air gap structure of described iron core is staircase structural model, the saturation flux density of the magnetic material that described iron core step place magnetic core uses is lower than the saturation flux density of the magnetic material of non-step place magnetic core, and the magnetic material that described iron core magnetic core uses is soft magnetic material.
In preferred embodiment of the utility model, the structure of the magnetic core in the middle part of described iron core column is UU type or EE type or EI type.
The utility model also provides another technical scheme: the utility model also provides an inductor, described iron core magnetic core air gap structure is staircase structural model, the saturation flux density of the magnetic material that described iron core column middle bench place magnetic core uses is lower than the saturation flux density of the magnetic material of non-step place magnetic core, and the magnetic material that described iron core magnetic core uses is soft magnetic material.
The utility model also provides another technical scheme: the utility model also provides a transformer, described iron core magnetic core air gap structure is staircase structural model, the saturation flux density of the magnetic material that described iron core step place magnetic core uses is lower than the saturation flux density of the magnetic material of non-step place magnetic core, and the magnetic material that the iron core magnetic core uses is soft magnetic material.
The beneficial effects of the utility model are: the utility model is because the saturation flux density of the magnetic material that uses at the step place is lower than the saturation flux density of non-step place magnetic core magnetic material, have following beneficial effect: (1), guaranteed that the inductance value of inductance underload (when being low current) is large, heavy duty (being large electric current) inductance value is reduced to set point; (2), the magnetic core part at step place can be pasted processing man-hour, convenient processing in actual adding.
Description of drawings
Fig. 1 is the structural representation of the utility model variable inductance amount inductor core one preferred embodiment;
Fig. 2 is the structural representation of the utility model variable inductance amount inductor core one preferred embodiment;
Fig. 3 is the structural representation of the utility model variable inductance amount inductor core one preferred embodiment;
In accompanying drawing, the mark of each parts is as follows: 1, upper yoke; 2, lower yoke; A, step magnetic core.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that, protection range of the present utility model is made more explicit defining.
See also Fig. 1, the utility model embodiment comprises: a kind of variable inductance amount inductor core, comprise: upper yoke 1 and lower yoke 2 and step magnetic core A, the magnetic core air gap structure at iron core column middle bench magnetic core A place is staircase structural model, the saturation flux density of the magnetic material that iron core step place magnetic core uses is lower than the magnetic material magnetic flux density of non-step place magnetic core, and the magnetic material that the magnetic core at iron core column middle part uses is soft magnetic material.
Furtherly, the structure of described iron core magnetic core is UU type, EE type, EI type or other shapes.
The utility model variable inductance amount inductor core is for realizing the ladder inductance value, the kind of air-gap design of magnetic core is become step shape, increase with electric current, step magnetic core A part is saturated because the magnetic core magnetic flux density increases, inductance value descends, thereby realize the variation of inductance value, namely the inductance value of underload (when being low current) is large, and heavy duty (being large electric current) inductance value is reduced to set point.According to concrete requirement, can design the distance of a plurality of steps and each step in addition.
The core structure of the utility model variable inductance amount inductor core is applied in inductor, the core structure of inductor comprises: described iron core magnetic core air gap structure is staircase structural model, the saturation flux density of the magnetic material that described iron core step place magnetic core uses is lower than the magnetic material magnetic flux density of non-step place magnetic core, and the magnetic material that the iron core magnetic core uses is soft magnetic material.
The core structure of the utility model variable inductance amount inductor core is applied in transformer, the core structure of transformer comprises: described iron core column magnetic core air gap structure is staircase structural model, the saturation flux density of the magnetic material that described iron core step place magnetic core uses is lower than the magnetic material magnetic flux density of non-step place magnetic core, and the magnetic material that the iron core magnetic core uses is soft magnetic material.
See also Fig. 2, another kind of embodiment of the present utility model, the structure of iron core magnetic core is the EE type.
See also Fig. 3, another kind of embodiment of the present utility model, the structure of iron core magnetic core is the EI type.
The above is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.
Claims (2)
1. variable inductance amount inductor core, comprise iron core column, it is characterized in that: the magnetic core air gap structure in the middle part of described iron core column is staircase structural model, the saturation flux density of the magnetic material that described iron core column middle bench place magnetic core uses is lower than the saturation flux density of the magnetic material of non-step place magnetic core, and the magnetic material that the magnetic core at described iron core column middle part uses is soft magnetic material.
2. variable inductance amount inductor core according to claim 1 is characterized in that: the structure of the magnetic core at described iron core column middle part is UU type or EE type or EI type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220497768 CN203026307U (en) | 2012-09-27 | 2012-09-27 | Variable inductance value inductance iron core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220497768 CN203026307U (en) | 2012-09-27 | 2012-09-27 | Variable inductance value inductance iron core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203026307U true CN203026307U (en) | 2013-06-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220497768 Expired - Lifetime CN203026307U (en) | 2012-09-27 | 2012-09-27 | Variable inductance value inductance iron core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203026307U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646768A (en) * | 2013-12-24 | 2014-03-19 | 国家电网公司 | Active electronic current transformer |
| CN107633936A (en) * | 2017-08-30 | 2018-01-26 | 杭州富特科技股份有限公司 | LLC transformers and its implementation and core assembly |
-
2012
- 2012-09-27 CN CN 201220497768 patent/CN203026307U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646768A (en) * | 2013-12-24 | 2014-03-19 | 国家电网公司 | Active electronic current transformer |
| CN107633936A (en) * | 2017-08-30 | 2018-01-26 | 杭州富特科技股份有限公司 | LLC transformers and its implementation and core assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20181108 Granted publication date: 20130626 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20190909 Granted publication date: 20130626 |
|
| PD01 | Discharge of preservation of patent | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210929 Granted publication date: 20130626 |
|
| PP01 | Preservation of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130626 |
|
| CX01 | Expiry of patent term |