CN201369208Y - Induction coil made of manganese-zinc ferrite material - Google Patents
Induction coil made of manganese-zinc ferrite material Download PDFInfo
- Publication number
- CN201369208Y CN201369208Y CNU2009200520439U CN200920052043U CN201369208Y CN 201369208 Y CN201369208 Y CN 201369208Y CN U2009200520439 U CNU2009200520439 U CN U2009200520439U CN 200920052043 U CN200920052043 U CN 200920052043U CN 201369208 Y CN201369208 Y CN 201369208Y
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- magnetic core
- induction coil
- manganese
- zinc ferrite
- air gap
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Abstract
The utility model relates to an induction coil, in particular to an induction coil made of manganese-zinc ferrite material. The induction coil comprises a magnetic core and a coil wound outside the magnetic core; an air gap for reinforcing the magnetic saturation capability is formed on the surface of a transversal cross section of the magnetic core; an epoxy glue filled layer is arranged in the air gap; and an epoxy resin coating layer is integrally arranged outside the magnetic core. The induction coil made of manganese-zinc ferrite material provided by the utility model has the advantages that a ring-shaped magnetic core is made of manganese-zinc ferrite material; the air gap is formed in the magnetic circuit; the magnetic saturation capability of the induction coil is improved; the coil is manufactured; and the induction coil maintains low loss and small temperature rise; meanwhile, the induction coil also has the advantages of simple structure and good heat radiation conditions, and can be designed to adopt an ultrathin structure.
Description
Technical field
The utility model relates to a kind of inductance coil, especially a kind of inductance coil of manganese-zinc ferrite materials for support.
Background technology
Be used for the power factor correction inductance coil (PFC inducer) on the liquid crystal TV set power supply at present, generally adopt the magnetic core of the MnZn ferrite material of models such as PQ, EFD, EC to make.The inductance coil that these several models are made, the structure more complicated is difficult to make extra-thin structure, and radiating condition is also not so good; And the inductance coil of making of the toroidal core of ferrocart core material, loss is very big, even employing iron sial (SENDUST) and iron nickel molybdenum (MPP) material, also too late MnZn ferrite material is good, and the price of these two kinds of materials is very expensive, and there be limited evidence currently of is used.
Summary of the invention
One of the purpose of this utility model provides small and exquisite, the ultrathin and good manganese-zinc ferrite inductance coil of radiating condition of a kind of structure.
To achieve these goals, the utility model adopts following technical scheme:
It comprises the coil of a magnetic core, the outer coiling of magnetic core and the epoxy plate of being located at the magnetic core bottom, its improvement is: the lateral cross section surface of described magnetic core is provided with the air gap that strengthens the magnetic saturation ability, be provided with the epoxy glue packed layer in the described air gap, the outer integral body of described magnetic core is provided with an epoxy resin integument.
Preferably, described magnetic core is a loop configuration.
Preferably, described air gap evenly distributes on the lateral surfaces of magnetic core.
Manganese-zinc ferrite inductance coil of the present utility model has been manufactured toroidal core with the material of manganese-zinc ferrite, and in magnetic circuit, opened air gap, to improve its magnetic saturation ability, the coil of making, both kept loss little, the advantage that temperature rise is low has possessed simple in structure again, radiating condition is good, can make the advantage of ultrathin structure.
Description of drawings
Fig. 1 is the magnetic core plan structure schematic diagram of the utility model embodiment;
Fig. 2 is the magnetic core side structure schematic diagram of the utility model embodiment.
The utility model purpose, function and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
In conjunction with illustrated in figures 1 and 2, embodiment of the present utility model comprises the coil of a magnetic core 1, the outer coiling of magnetic core and the epoxy plate 2 of being located at the magnetic core bottom, coil is not shown among the figure, loop construction and principle are same as the prior art, the lateral cross section surface of described magnetic core 1 is provided with the air gap 11 that strengthens the magnetic saturation ability, be provided with epoxy glue packed layer (not shown) in the described air gap 11, the outer integral body of described magnetic core is provided with an epoxy resin integument (not shown).
The described magnetic core of present embodiment is a loop configuration.
The described air gap 11 of present embodiment evenly distributes on the lateral surfaces of magnetic core 1.
During manufacturing, cross-wise direction at the magnetic core of the MnZn ferrite material of design specification, cut out certain air gap 11 with emery grinding wheel, fill the epoxy glue of one-component then at the air gap place, after the curing, spray the thick epoxy resin of 0.2mm more on the whole, play insulating effect, then just can coiling.
The above only is a preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (3)
1, a kind of manganese-zinc ferrite inductance coil, comprise the coil of a magnetic core, the outer coiling of magnetic core and the epoxy plate of being located at the magnetic core bottom, it is characterized in that: the lateral cross section surface of described magnetic core is provided with the air gap that strengthens the magnetic saturation ability, be provided with the epoxy glue packed layer in the described air gap, the outer integral body of described magnetic core is provided with an epoxy resin integument.
2, manganese-zinc ferrite inductance coil as claimed in claim 1 is characterized in that: described magnetic core is a loop configuration.
3, manganese-zinc ferrite inductance coil as claimed in claim 1 or 2 is characterized in that: described air gap evenly distributes on the lateral surfaces of magnetic core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200520439U CN201369208Y (en) | 2009-03-04 | 2009-03-04 | Induction coil made of manganese-zinc ferrite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200520439U CN201369208Y (en) | 2009-03-04 | 2009-03-04 | Induction coil made of manganese-zinc ferrite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201369208Y true CN201369208Y (en) | 2009-12-23 |
Family
ID=41488099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200520439U Expired - Lifetime CN201369208Y (en) | 2009-03-04 | 2009-03-04 | Induction coil made of manganese-zinc ferrite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201369208Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102208259A (en) * | 2011-02-22 | 2011-10-05 | 东莞市铭普实业有限公司 | Magnetic rubber inductor |
| CN102709026A (en) * | 2012-02-01 | 2012-10-03 | 鸿康磁业电子（昆山）有限公司 | Improved inductor |
| CN102789876A (en) * | 2012-07-30 | 2012-11-21 | 昆山达功电子有限公司 | Chip inductor |
| CN108630426A (en) * | 2018-06-14 | 2018-10-09 | 东华大学 | A method of improving soft magnetism magnet ring stock utilization |
-
2009
- 2009-03-04 CN CNU2009200520439U patent/CN201369208Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102208259A (en) * | 2011-02-22 | 2011-10-05 | 东莞市铭普实业有限公司 | Magnetic rubber inductor |
| CN102709026A (en) * | 2012-02-01 | 2012-10-03 | 鸿康磁业电子（昆山）有限公司 | Improved inductor |
| CN102789876A (en) * | 2012-07-30 | 2012-11-21 | 昆山达功电子有限公司 | Chip inductor |
| CN102789876B (en) * | 2012-07-30 | 2015-05-06 | 昆山达功电子有限公司 | Chip inductor |
| CN108630426A (en) * | 2018-06-14 | 2018-10-09 | 东华大学 | A method of improving soft magnetism magnet ring stock utilization |
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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 |
Granted publication date: 20091223 |
|
| CX01 | Expiry of patent term |