CN206293235U - A kind of magnetic core of transformer component and transformer with double air gaps mouthful - Google Patents
A kind of magnetic core of transformer component and transformer with double air gaps mouthful Download PDFInfo
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- CN206293235U CN206293235U CN201720014314.6U CN201720014314U CN206293235U CN 206293235 U CN206293235 U CN 206293235U CN 201720014314 U CN201720014314 U CN 201720014314U CN 206293235 U CN206293235 U CN 206293235U
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- magnetic core
- transformer
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- left magnetic
- side post
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Abstract
The utility model discloses a kind of magnetic core of transformer component with double air gaps mouthful,Left magnetic core and right magnetic core including being in respectively E fonts,Left magnetic core splices and combines into day character form structure with right magnetic core,The first air gap is provided between the left magnetic core center pillar of left magnetic core and the right magnetic core center pillar of right magnetic core,Wherein one left magnetic core side post of left magnetic core and it is provided with interstice between wherein one right magnetic core side post of the right magnetic core of the same side,And insulating resin is filled with interstice,An other left magnetic core side post of left magnetic core is in contact with the other right magnetic core side post of the right magnetic core positioned at the same side,The magnetic core of transformer component can reduce two contact surfaces of magnetic core,Reduce noise,And magnetic saturation can be improved by air gap,Avoid the magnetic saturation phenomenon in the case where big signal or direct current biasing is exchanged,Inductance value can preferably be controlled,Extend the service life of transformer.Additionally, the utility model additionally provides a kind of transformer using the magnetic core of transformer component.
Description
Technical field
The utility model is related to transformer technology field, is to be related to a kind of transformation with double air gaps mouthful more specifically
Device core assembly and transformer.
Background technology
With continuing to develop for technology, the application of various electronic products is also more and more extensive, transformer in electronic product
Using also more and more.Wherein, common transformer generally includes coil rack, winding coil and magnetic core of transformer component (i.e.
Left magnetic core and right magnetic core), during assembling, the magnetic core center pillar of left magnetic core and the magnetic core center pillar of right magnetic core are inserted in coil rack two respectively
In the through hole at end, left magnetic core splices and combines into day character form structure with right magnetic core.However, such transformer has the following disadvantages：1、
Easily there is magnetic saturation phenomenon in the case where big signal or direct current biasing is exchanged, it is difficult to preferably control inductance value；2nd, due to left magnetic core
Three magnetic core posts it is corresponding with three magnetic core posts of right magnetic core contact, transformer work when, left magnetic core and right magnetic core can shake
It is dynamic, cause left magnetic core to be collided so as to produce noise with the contact surface of right magnetic core, influence using effect.
Utility model content
The purpose of this utility model is to overcome drawbacks described above of the prior art, there is provided a kind of change with double air gaps mouthful
Depressor core assembly and transformer, it can improve magnetic saturation, preferably control inductance value, increase the service life, and can drop
Low noise.
To achieve the above object, first aspect of the present utility model provides a kind of magnetic core of transformer with double air gaps mouthful
Component, including respectively in the left magnetic core and right magnetic core of E fonts, the left magnetic core splices and combines into day character form structure with right magnetic core,
The first air gap, wherein the one of the left magnetic core are provided between the left magnetic core center pillar of the left magnetic core and the right magnetic core center pillar of right magnetic core
The left magnetic core side post of root and interstice is provided between wherein one right magnetic core side post of the right magnetic core of the same side, and
Insulating resin, an other left magnetic core side post of the left magnetic core and the right side for being located at the same side are filled with the interstice
The other right magnetic core side post of magnetic core is in contact.
Used as preferred, in the technical scheme of above-mentioned magnetic core of transformer component, first air gap and interstice divide
More than 0.01mm is not set to it.
As preferred, in the technical scheme of above-mentioned magnetic core of transformer component, the surface of the left magnetic core and right magnetic core
It is respectively equipped with insulating barrier.
Additionally, second aspect of the present utility model provides a kind of transformer, including coil rack, winding coil and transformation
Device core assembly, on coil rack, the magnetic core of transformer component includes a left side respectively in E fonts to the winding coil
Magnetic core and right magnetic core, the left magnetic core splice and combine into day character form structure with right magnetic core, and the coil rack is installed in left magnetic core
Left magnetic core center pillar and right magnetic core right magnetic core center pillar on, the left magnetic core center pillar of the left magnetic core and the right magnetic core center pillar of right magnetic core
Between be provided with the first air gap, wherein one left magnetic core side post of the left magnetic core and wherein the one of the right magnetic core for being located at the same side
It is provided between the right magnetic core side post of root at interstice, and the interstice filled with insulating resin, the left magnetic core
An other left magnetic core side post is in contact with the other right magnetic core side post of the right magnetic core positioned at the same side.
Used as preferred, in the technical scheme of above-mentioned transformer, first air gap and interstice are respectively set to
More than 0.01mm.
Used as preferred, in the technical scheme of above-mentioned transformer, the surface of the left magnetic core and right magnetic core is respectively equipped with
Insulating barrier.
As preferred, in the technical scheme of above-mentioned transformer, the line footpath of the winding coil for 0.01mm~
1.5mm。
As preferred, in the technical scheme of above-mentioned transformer, the winding coil using single cord enamel-covered wire around
The enamel-covered wire coiling for forming or being twisted together using multi cord is made to form.
Compared with prior art, the beneficial effects of the utility model are：
The utility model is provided with the first air gap between the left magnetic core center pillar of left magnetic core and the right magnetic core center pillar of right magnetic core, left
Wherein one left magnetic core side post of magnetic core and it is provided between wherein one right magnetic core side post of the right magnetic core of the same side
Interstice, and insulating resin is filled with interstice, it can reduce two contact surfaces of magnetic core, reduce noise, carry
Using effect high, and magnetic saturation can be improved by air gap, it is to avoid the magnetic saturation in the case where big signal or direct current biasing is exchanged
Phenomenon, can preferably control inductance value, extend the service life of transformer.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are these
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the magnetic core of transformer component with double air gaps mouthful that the utility model is provided；
Fig. 2 is that the magnetic core of transformer component with double air gaps mouthful that the utility model is provided conceals the structure after insulating resin
Schematic diagram；
Fig. 3 is the exploded view of the transformer that the utility model is provided.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to
The scope of the utility model protection.
Fig. 1 and Fig. 2 is refer to, embodiment of the present utility model provides a kind of magnetic core of transformer with double air gaps mouthful
Component, the magnetic core of transformer component includes left magnetic core 1 and right magnetic core 2 respectively in E fonts, and left magnetic core 1 can be spelled with right magnetic core 2
Connect and be combined into a day character form structure.
In the present embodiment, it is provided with first between the left magnetic core center pillar 11 of left magnetic core 1 and the right magnetic core center pillar 21 of right magnetic core 2
Wherein one right magnetic core side of air gap 3, wherein one left magnetic core side post 12 of left magnetic core 1 and the right magnetic core 2 positioned at the same side
It is provided between side column 22 at interstice 4, and interstice 4 filled with insulating resin 5, an other left magnetic of left magnetic core 1
Core side post 12 is in contact with the other right magnetic core side post 22 of the right magnetic core 2 positioned at the same side.
Wherein, the first air gap 3 and interstice 4 can be respectively set to more than 0.01mm, but air gap is bigger, the electricity of magnetic core
Sense coefficient is just smaller, and the more coils of coiling are accomplished by order to reach certain inductance value, and related copper loss also increases, and adds line
The circle number of turn is more, distribution capacity also relative increase, the job stability of electromagnetic component is influenceed, so to be weighed in many ways during practical application
Weighing apparatus, determines the optimum value of size of gaps.In the present embodiment, it may be preferred to be set to 0.01mm~1.5mm, naturally it is also possible to
It is changed according to actual conditions, non-the present embodiment is limited.
Preferably, the surface of left magnetic core 1 and right magnetic core 2 can be respectively equipped with insulating barrier.
Refer to Fig. 3, embodiment of the present utility model two provides a kind of transformer, the transformer include coil rack 6,
Winding coil 7 and magnetic core of transformer component, the magnetic core of transformer component of the present embodiment two are employed described in above-described embodiment one
Magnetic core of transformer component, something in common will not be repeated here.During assembling, winding coil 7 on coil rack 6, left magnetic core 1
Left magnetic core center pillar 11 and the right magnetic core center pillar 21 of right magnetic core 2 be inserted in respectively in the through hole at the two ends of coil rack 6.
Wherein, winding coil 7 can be formed or twisted together using multi cord using the enamel-covered wire coiling of single cord
Enamel-covered wire coiling form.In the present embodiment, the line footpath of winding coil 7 could be arranged to 0.01mm~1.5mm, also may be used certainly
It is changed with according to actual conditions, non-the present embodiment is limited.
In sum, the simple structure of magnetic core of transformer component of the present utility model, reasonable in design, can reduce two magnetic cores
Contact surface to reduce noise, and magnetic conductivity can be reduced by the first air gap and interstice, make line Wei characteristic less according to
Rely the initial permeability in core material, the magnetic saturation phenomenon in the case where big signal or direct current biasing is exchanged can be avoided, can be more preferable
Control inductance value, extend the service life of transformer.
Above-described embodiment is the utility model preferably implementation method, but implementation method of the present utility model is not by above-mentioned
The limitation of embodiment, it is other it is any without departing from the change made under Spirit Essence of the present utility model and principle, modify, replace
Generation, combination, simplification, should be equivalent substitute mode, be included within protection domain of the present utility model.
Claims (8)
1. a kind of magnetic core of transformer component with double air gaps mouthful, including respectively in the left magnetic core (1) and right magnetic core (2) of E fonts,
The left magnetic core (1) splices and combines into day character form structure with right magnetic core (2), it is characterised in that：The left magnetic core of the left magnetic core (1)
The first air gap (3), wherein the one of the left magnetic core (1) are provided between center pillar (11) and the right magnetic core center pillar (21) of right magnetic core (2)
The left magnetic core side post (12) of root and it is located between wherein one right magnetic core side post (22) of the right magnetic core (2) of the same side and is provided with the
Two air gaps (4), and the interstice (4) place is filled with insulating resin (5), an other left magnetic of the left magnetic core (1)
Core side post (12) is in contact with other right magnetic core side post (22) of the right magnetic core (2) positioned at the same side.
2. the magnetic core of transformer component with double air gaps mouthful according to claim 1, it is characterised in that：First air gap
And interstice (4) is respectively set to more than 0.01mm (3).
3. the magnetic core of transformer component with double air gaps mouthful according to claim 1, it is characterised in that：The left magnetic core
And the surface of right magnetic core (2) is respectively equipped with insulating barrier (1).
4. a kind of transformer, including coil rack (6), winding coil (7) and magnetic core of transformer component, the winding coil (7)
On coil rack (6), the magnetic core of transformer component includes left magnetic core (1) and right magnetic core (2) respectively in E fonts,
The left magnetic core (1) splices and combines into day character form structure with right magnetic core (2), and the coil rack (6) is installed in left magnetic core (1)
On the right magnetic core center pillar (21) of left magnetic core center pillar (11) and right magnetic core (2), it is characterised in that：The left magnetic core of the left magnetic core (1)
The first air gap (3), wherein the one of the left magnetic core (1) are provided between center pillar (11) and the right magnetic core center pillar (21) of right magnetic core (2)
The left magnetic core side post (12) of root and it is located between wherein one right magnetic core side post (22) of the right magnetic core (2) of the same side and is provided with the
Two air gaps (4), and the interstice (4) place is filled with insulating resin (5), an other left magnetic of the left magnetic core (1)
Core side post (12) is in contact with other right magnetic core side post (22) of the right magnetic core (2) positioned at the same side.
5. transformer according to claim 4, it is characterised in that：First air gap (3) and interstice (4) set respectively
It is set to more than 0.01mm.
6. transformer according to claim 4, it is characterised in that：The surface difference of the left magnetic core (1) and right magnetic core (2)
It is provided with insulating barrier.
7. transformer according to claim 4, it is characterised in that：The line footpath of the winding coil (7) be 0.01mm~
1.5mm。
8. transformer according to claim 4, it is characterised in that：The winding coil (7) uses the enamel-covered wire of single cord
Coiling is formed or the enamel-covered wire coiling that is twisted together using multi cord is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720014314.6U CN206293235U (en) | 2017-01-06 | 2017-01-06 | A kind of magnetic core of transformer component and transformer with double air gaps mouthful |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720014314.6U CN206293235U (en) | 2017-01-06 | 2017-01-06 | A kind of magnetic core of transformer component and transformer with double air gaps mouthful |
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| Publication Number | Publication Date |
|---|---|
| CN206293235U true CN206293235U (en) | 2017-06-30 |
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ID=59098731
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720014314.6U Active CN206293235U (en) | 2017-01-06 | 2017-01-06 | A kind of magnetic core of transformer component and transformer with double air gaps mouthful |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107707125A (en) * | 2017-10-20 | 2018-02-16 | 四川莱福德科技有限公司 | Drive circuit and bridge-type resonance circuit |
| US11551848B2 (en) | 2017-11-09 | 2023-01-10 | Huawei Digital Power Technologies Co., Ltd. | Planar transformer and switching power adapter |
-
2017
- 2017-01-06 CN CN201720014314.6U patent/CN206293235U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107707125A (en) * | 2017-10-20 | 2018-02-16 | 四川莱福德科技有限公司 | Drive circuit and bridge-type resonance circuit |
| US11551848B2 (en) | 2017-11-09 | 2023-01-10 | Huawei Digital Power Technologies Co., Ltd. | Planar transformer and switching power adapter |
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