CN208722707U - Multi-stage air-gap transformer core - Google Patents
Multi-stage air-gap transformer core Download PDFInfo
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- CN208722707U CN208722707U CN201821165196.XU CN201821165196U CN208722707U CN 208722707 U CN208722707 U CN 208722707U CN 201821165196 U CN201821165196 U CN 201821165196U CN 208722707 U CN208722707 U CN 208722707U
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- magnetic core
- air gap
- magnetic
- magnetic pole
- center pillar
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- 239000003292 glue Substances 0.000 claims description 8
- 230000001788 irregular Effects 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000009826 distribution Methods 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 3
- 230000005389 magnetism Effects 0.000 abstract 8
- 230000004907 flux Effects 0.000 description 4
- 238000005245 sintering Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Soft Magnetic Materials (AREA)
Abstract
The utility model discloses a multistage formula air gap transformer magnetic core, including the magnetic core frame, install in the first magnetism post of magnetic core frame one side, install in the second magnetism post of magnetic core frame opposite side, install the magnetic core center pillar that is located between first magnetism post and the second magnetism post on the magnetic core frame, the air gap has been seted up on first magnetism post, second magnetism post and the magnetic core center pillar, the air gap on first magnetism post and the second magnetism post is more than one, the air gap on the magnetic core center pillar is more than two, the built-in heat dissipation insulating elements that is equipped with of air gap, heat dissipation insulating elements includes the insulating piece and installs in the radiator of insulating piece side. The setting of a plurality of air gaps and insulating piece for the saturation value of magnetic core can be improved higher, and the more balanced of distribution of magnetic circuit, and the setting of radiator can make the insulating piece bond on the lateral wall of air gap, reduces the temperature of magnetic core simultaneously, does benefit to the heat dissipation, further improves the saturation value, its simple structure, easily production preparation.
Description
Technical field
The utility model relates to a kind of magnetic core of transformers, are to be related to a kind of multisection type air gap transformator magnetic more specifically
Core.
Background technique
Transformer is the device for converting alternating voltage, electric current and impedance, when being connected with alternating current in primary coil, magnetic core
In just generate exchange flux, make to induce voltage or electric current in secondary coil.Transformer is made of magnetic core and coil, and coil has two
A or more than two windings, wherein connecing the winding of power supply primary coil, remaining winding is secondary coil.
In generator, either coil movement passes through fixed coil by magnetic field or Movement in Magnetic Field, can be in coil
Induced potential, this two kinds of situations, the value of magnetic flux is constant, but has variation with the magnetic flux quantity of coil intersecting chain, this is mutual inductance
The principle answered.Transformer is exactly a kind of using mutual electromagnetic inductance, voltage of transformation, the device of electric current and impedance.
A kind of sintering magnetic metal oxide that magnetic core is made of various iron oxide mixtures, with can add in circuit
The magnetic flux density of big electromagnetic coil magnetic circuit, reduces copper loss, to increase electromagnetic intensity, improves voltage conversion efficiency.Magnetic core
Influence of the performance superiority and inferiority for transformer it is very big, so, improve the emphasis that the performance of magnetic core is always studied in the industry.
E-type magnetic core generally can hold air gap, existing E type in the lateral column on center pillar and both sides to obtain higher saturation value
Magnetic core is only opened on center pillar and the lateral column on both sides opens up an air gap respectively, and the saturation value that can be obtained is simultaneously not high enough, meets
Used in the transformer for not needing higher saturation values.Moreover, the magnet ring with air gap needs high temperature sintering to form in process of production,
Temperature is higher, and magnetic strength can be easy to tend to be saturated.
Utility model content
To overcome drawbacks described above in the prior art, the utility model provides a kind of multisection type air gap transformator magnetic core.
To achieve the above object, the utility model provides a kind of multisection type air gap transformator magnetic core, including magnetic core frame, dress
The first magnetic pole set on magnetic core frame side is installed in the second magnetic pole of the magnetic core frame other side, it is upper to be installed in magnetic core frame
Magnetic core center pillar between the first magnetic pole and the second magnetic pole offers gas on first magnetic pole, the second magnetic pole and magnetic core center pillar
Gap, the air gap in first magnetic pole and the second magnetic pole are more than one, and the air gap on the magnetic core center pillar is two or more, institute
It states and is installed with radiating insulating component in air gap.
The radiating insulating component includes insulating trip and the radiator for being installed in insulating trip side.
The radiator is the glue that insulating trip is pasted on to the first magnetic pole, the second magnetic pole and magnetic core center pillar, the insulation
Piece is adhered on the side wall of air gap by glue, while being convenient for the heat dissipation of magnetic core.
Compared with prior art, the utility model has the beneficial effects that:
The utility model includes magnetic core frame, is installed in the first magnetic pole of magnetic core frame side, it is another to be installed in magnetic core frame
Second magnetic pole of side, is installed in the magnetic core center pillar on magnetic core frame between the first magnetic pole and the second magnetic pole, and described first
Air gap is offered on magnetic pole, the second magnetic pole and magnetic core center pillar, the air gap in first magnetic pole and the second magnetic pole is more than one,
Air gap on the magnetic core center pillar is two or more, is installed with radiating insulating component, the radiating insulating component in the air gap
Including insulating trip and the radiator for being installed in insulating trip side.The setting of multiple air gaps and insulating trip, so that the saturation value of magnetic core
It can raise higher, the distribution of magnetic circuit is more balanced, and the setting of radiator enables to insulating trip to be adhered to the side wall of air gap
On, while the temperature of magnetic core is reduced, it is conducive to heat dissipation, further increases saturation value.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is this
Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is a kind of three-dimensional knot of the magnetic core frame of multisection type air gap transformator magnetic core provided by the embodiment of the utility model
Structure schematic diagram；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is a kind of schematic perspective view of multisection type air gap transformator magnetic core provided by the embodiment of the utility model；
Fig. 4 is the top view of Fig. 3.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
The embodiments of the present invention provide a kind of multisection type air gap transformator magnetic core.
FIG. 1 to FIG. 4 is please referred to, the utility model provides a kind of multisection type air gap transformator magnetic core, including magnetic core frame 1,
It is installed in the first magnetic pole 11 of 1 side of magnetic core frame, the second magnetic pole 12 of 1 other side of magnetic core frame is installed in, is installed in magnetic core
Magnetic core center pillar 13 on frame 1 between the first magnetic pole 11 and the second magnetic pole 12, first magnetic pole 11,12 and of the second magnetic pole
Air gap 14 is offered on magnetic core center pillar 13, the air gap 14 in first magnetic pole 11 and the second magnetic pole 12 is more than one, described
Air gap 14 on magnetic core center pillar 13 is two or more, is installed with radiating insulating component 2 in the air gap 14.
The radiating insulating component 2 includes insulating trip and the radiator for being installed in insulating trip side.
The radiator is to be pasted on insulating trip in the air gap 14 of the first magnetic pole 11, the second magnetic pole 12 and magnetic core center pillar 13
Glue.The glue is applied to the left side and right side of insulating trip, for insulating trip to be adhered to the first magnetic pole 11, second
On the left side wall and right side wall of the air gap 14 of magnetic pole 12 and magnetic core center pillar 13, simultaneously because glue can play heat spreading function, it can
To reduce the temperature of magnetic core in the production phase of high temperature sintering, magnetic strength saturation value is improved, the setting of multiple air gaps can make magnetic circuit
Distribution it is more balanced, obtain better heat dissipation effect, so that magnetic core obtains higher magnetic strength saturation value, while reducing spuious
Loss is reduced in magnetic field.Its structure is simple, is readily produced preparation, low production cost.
In the present embodiment, an air gap is opened up in first magnetic pole 11, an air gap is opened up in second magnetic pole 12,
Three air gaps are opened up on the magnetic core center pillar 13, to form the first magnetic core center pillar 131 and the second magnetic core center pillar 132.At other
In embodiment, the air gap can open up suitable quantity according to actual needs.
In the present embodiment, the glue is epoxy resin glue, can also can play bonding work certainly to be other kinds of
Material, while this material cannot have magnetic permeability and have both heat sinking function.
In the present embodiment, the magnetic core frame 1, the first magnetic pole 11, the second magnetic pole 12 and magnetic core center pillar 13 are cuboid,
In other embodiments, shape can also be changed to cylindrical body, polygonal prism body or irregular cylinder body shape according to actual needs.
In conclusion the utility model structure is simple, production preparation cost is cheap, so that the distribution of magnetic circuit is more equal
Weighing apparatus, obtains better heat dissipation effect, so that magnetic core obtains higher magnetic strength saturation value, while reducing stray magnetic field, reduces loss.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned
The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing
In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.
Claims (4)
1. a kind of multisection type air gap transformator magnetic core, including magnetic core frame (1), are installed in the first magnetic of magnetic core frame (1) side
Column (11) is installed in second magnetic pole (12) of magnetic core frame (1) other side, is installed on magnetic core frame (1) and is located at the first magnetic pole
(11) the magnetic core center pillar (13) between the second magnetic pole (12), first magnetic pole (11), the second magnetic pole (12) and magnetic core center pillar
(13) air gap (14) are offered on, it is characterised in that: the air gap (14) on first magnetic pole (11) and the second magnetic pole (12) is
More than one, the air gap (14) on the magnetic core center pillar (13) is two or more, is installed with radiating insulating in the air gap (14)
Component (2).
2. a kind of multisection type air gap transformator magnetic core according to claim 1, it is characterised in that: the radiating insulating component
It (2) include insulating trip and the radiator for being installed in insulating trip side.
3. a kind of multisection type air gap transformator magnetic core according to claim 2, it is characterised in that: the radiator is will be exhausted
Embolium is pasted on the glue in the air gap (14) of the first magnetic pole (11), the second magnetic pole (12) and magnetic core center pillar (13).
4. a kind of multisection type air gap transformator magnetic core according to claim 1, it is characterised in that: the magnetic core frame (1),
First magnetic pole (11), the second magnetic pole (12) and magnetic core center pillar (13) are cuboid, cylindrical body, polygonal prism body or irregular cylinder
Shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821165196.XU CN208722707U (en) | 2018-07-23 | 2018-07-23 | Multi-stage air-gap transformer core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821165196.XU CN208722707U (en) | 2018-07-23 | 2018-07-23 | Multi-stage air-gap transformer core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208722707U true CN208722707U (en) | 2019-04-09 |
Family
ID=65974377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821165196.XU Active CN208722707U (en) | 2018-07-23 | 2018-07-23 | Multi-stage air-gap transformer core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208722707U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112133535A (en) * | 2020-08-27 | 2020-12-25 | 安徽金晟达生物电子科技有限公司 | A kind of magnetic core structure and inductor |
| CN113436850A (en) * | 2021-06-30 | 2021-09-24 | 天津大学 | High-frequency segmented air gap planar transformer |
| CN113782316A (en) * | 2021-10-12 | 2021-12-10 | 内蒙古东方变压器有限责任公司 | Transformer with porous heat radiation structure |
| CN116779300A (en) * | 2023-07-14 | 2023-09-19 | 深圳市斯比特技术股份有限公司 | Planar transformer and magnetic core thereof |
| CN117153532A (en) * | 2023-10-19 | 2023-12-01 | 庐江和润科技有限公司 | Inductor for photovoltaic inverter |
-
2018
- 2018-07-23 CN CN201821165196.XU patent/CN208722707U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112133535A (en) * | 2020-08-27 | 2020-12-25 | 安徽金晟达生物电子科技有限公司 | A kind of magnetic core structure and inductor |
| CN113436850A (en) * | 2021-06-30 | 2021-09-24 | 天津大学 | High-frequency segmented air gap planar transformer |
| CN113782316A (en) * | 2021-10-12 | 2021-12-10 | 内蒙古东方变压器有限责任公司 | Transformer with porous heat radiation structure |
| CN113782316B (en) * | 2021-10-12 | 2022-07-05 | 内蒙古东方变压器有限责任公司 | Transformer with porous heat radiation structure |
| CN116779300A (en) * | 2023-07-14 | 2023-09-19 | 深圳市斯比特技术股份有限公司 | Planar transformer and magnetic core thereof |
| CN116779300B (en) * | 2023-07-14 | 2023-12-29 | 深圳市斯比特技术股份有限公司 | Planar transformer and magnetic core thereof |
| CN117153532A (en) * | 2023-10-19 | 2023-12-01 | 庐江和润科技有限公司 | Inductor for photovoltaic inverter |
| CN117153532B (en) * | 2023-10-19 | 2024-07-05 | 庐江和润科技有限公司 | Inductor for photovoltaic inverter |
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