CN206340419U - One kind shielding inductance - Google Patents
One kind shielding inductance Download PDFInfo
- Publication number
- CN206340419U CN206340419U CN201621470640.XU CN201621470640U CN206340419U CN 206340419 U CN206340419 U CN 206340419U CN 201621470640 U CN201621470640 U CN 201621470640U CN 206340419 U CN206340419 U CN 206340419U
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- core body
- shielding
- magnetic cap
- coil
- insulation sleeve
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Abstract
Inductance is shielded the utility model discloses one kind, including shielding magnetic cap and the core body being installed in inside shielding magnetic cap, coil is wound with the side wall of core body, the bottom of core body is provided with the leading foot of coil, the outer surface of core body is enclosed with insulation sleeve, coil is located at the inside of insulation sleeve, insulation sleeve can make core body be not in contact with shielding magnetic cap, it is easy to make the distance between the both sides of core body and the madial wall for shielding magnetic cap to be consistent in assembling, it need not set pad, low cost, it is easy to assembly, insulation sleeve forms one at the top of core body and encloses flange simultaneously, when core body is installed in the inside of shielding magnetic cap, the flange of insulation sleeve is resisted against the inner tip of shielding magnetic cap, and separate at the top of core body with shielding the inner tip of magnetic cap, so that forming the air gap for improving magnetic saturation between the top of core body and the inner tip for shielding magnetic cap, it is to preventing that magnetic saturation from playing good effect, extend service life.
Description
Technical field
The utility model is related to inductive technologies field, more specifically, is to be related to a kind of shielding inductance.
Background technology
At present, the vertical shielding inductance of in the market has generally included core body and shielding magnetic cap, the side wall of core body
On be wound with coil, core body is installed in the inside of shielding magnetic cap.Wherein, in order that the top of core body is not with shielding magnetic
Cap is in contact, and a pad is also equiped between the top of core body and the inner tip for shielding magnetic cap.But this type shielding is electric
Sense has the following disadvantages：1st, pad can shield the inside shaking of magnetic cap, influence using effect；2nd, install additional after pad, add
There is no air gap between production cost, and the top of core body and the inner tip of shielding magnetic cap, reduce magnetic saturation；3、
During assembling, after core body is placed on the inside of shielding magnetic cap, it is difficult to make both sides and the shielding magnetic of core body
The distance between madial wall of cap is consistent, and is not easy to assembling.
Utility model content
The purpose of this utility model is to overcome drawbacks described above of the prior art to shield inductance, its cost there is provided one kind
It is low, magnetic saturation can be improved, is increased the service life, it is easy to assembly, it is easy to make both sides and the shielding magnetic of core body in assembling
The distance between madial wall of cap is consistent.
To achieve the above object, the utility model provides a kind of shielding inductance, including core body and bottom have and opened
The shielding magnetic cap of mouth, the core body is installed on the inside of shielding magnetic cap, the side wall of the core body and is wound with coil,
The bottom of the core body is provided with the leading foot of coil, and the leading foot stretches out shielding magnetic cap, the appearance of the core body
Bread is wrapped with an insulation sleeve, and the coil is located at the inside of insulation sleeve, and the insulation sleeve forms one at the top of core body and enclosed
Flange, when core body is installed in the inside of shielding magnetic cap, the flange of the insulation sleeve is resisted against the inside top of shielding magnetic cap
End, and the top of core body is separated with shielding the inner tip of magnetic cap, so that the top of core body and shielding magnetic cap
Inner tip between form the air gap for improving magnetic saturation.
As preferred embodiment, the air gap is set to more than 0.01mm.
As preferred embodiment, the line footpath of the coil is 0.01mm~1.5mm.
As preferred embodiment, the coil forms or used multi cord using the enamel covered wire coiling of single cord
The enamel covered wire coiling twisted together is formed.
As preferred embodiment, the leading foot of the coil is wicking position.
As preferred embodiment, the shielding magnetic cap is arranged to cylindrical shape, and the core body is set to I-shaped
Core body.
As preferred embodiment, the inside of the shielding magnetic cap, which is filled with, to be used to core body sealing being fixed on screen
Cover the epoxy resin inside magnetic cap.
Compared with prior art, the beneficial effects of the utility model are：
The outer surface of core body of the present utility model is enclosed with insulation sleeve, the insulation sleeve can make core body not with screen
Cover magnetic cap to be in contact, be easy to make the distance between the both sides of core body and the madial wall for shielding magnetic cap to keep one in assembling
Cause, it need not set pad, and low cost is easy to assembly, while insulation sleeve forms one at the top of core body encloses flange, work as magnetic
When core body is installed in the inside of shielding magnetic cap, the flange of insulation sleeve is resisted against the inner tip of shielding magnetic cap, and by magnetic core sheet
The top of body is separated with shielding the inner tip of magnetic cap, so that between the top of core body and the inner tip for shielding magnetic cap
The air gap for improving magnetic saturation is formed, it extends the service life of inductance to preventing that magnetic saturation from playing good effect.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
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 profile for the shielding inductance that the utility model is provided；
Fig. 2 is the polycrystalline substance schematic diagram for the shielding inductance that the utility model is provided.
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, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
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 is refer to, embodiment of the present utility model provides a kind of shielding inductance, and the shielding inductance includes core body
1st, the present embodiment all parts are described in detail by shielding magnetic cap 2, coil 3 and insulation sleeve 5 below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, core body 1 can be preferably arranged to I-type magnetic core body 1, and shielding magnetic cap 2 can be with excellent
Choosing is arranged to cylindrical shape, and the bottom of shielding magnetic cap 2 is provided with opening.Wherein, core body 1 can be at the opening of shielding magnetic cap 2
It is inserted into the inside of shielding magnetic cap 2.
As shown in figure 1, coil 3 is on the side wall of core body 1, coil 3 can use the enamel covered wire of single cord
The enamel covered wire coiling that coiling is formed or twisted together using multi cord is formed.Wherein, the line footpath of coil 3 could be arranged to
0.01mm~1.5mm, naturally it is also possible to be changed according to actual conditions, non-the present embodiment is limited.In addition, the extraction of coil 3
Pin 4 is arranged on the bottom of core body 1, and the leading foot 4 can stretch out shielding magnetic cap 2, the extraction at the opening of shielding magnetic cap 2
Pin 4 is wicking position.
As shown in figure 1, the outer surface of core body 1 is enclosed with an insulation sleeve 5, coil 3 is located at the inside of insulation sleeve 5, absolutely
Edge set 5 forms one at the top of core body 1 and encloses flange 51, and remaining position hollow out is into a circumferential notch.When core body 1 is installed
When shielding the inside of magnetic cap 2, insulation sleeve 5 can make core body 1 be not in contact with shielding magnetic cap 2, the flange 51 of insulation sleeve 5
The inner tip of shielding magnetic cap 2 can be resisted against, and the top of core body 1 is separated with shielding the inner tip of magnetic cap 2, from
And make to form the air gap 6 for improving magnetic saturation between the top of core body 1 and the inner tip of shielding magnetic cap 2, the gas
Gap 6 can increase the magnetic flux density and saturation flux density of work, to preventing that magnetic saturation from playing good effect.
Wherein, the air gap 6 could be arranged to more than 0.01mm.As a preferably embodiment, it can be preferably arranged to
1mm~1.5mm, naturally it is also possible to be changed according to actual conditions, non-the present embodiment is limited.
It is used to the sealing of core body 1 being fixed on inside shielding magnetic cap 2 in addition, the inside of shielding magnetic cap 2 can be filled with
Epoxy resin.
In summary, the utility model need not set pad, and low cost is easy to assembly, be easy to make core body during assembling
Both sides be consistent with shielding the distance between the madial wall of magnetic cap, and magnetic saturation can be improved by air gap, extended
The service life of inductance.
Above-described embodiment is the utility model preferably embodiment, but embodiment of the present utility model is not by above-mentioned
The limitation of embodiment, it is other it is any without departing from Spirit Essence of the present utility model with made under principle change, modify, replace
Generation, combination, simplification, should be equivalent substitute mode, are included within protection domain of the present utility model.
Claims (7)
1. one kind shielding inductance, including core body (1) and bottom have the shielding magnetic cap (2) of opening, the core body (1)
It is installed on the inside of shielding magnetic cap (2), the side wall of the core body (1) and is wound with coil (3), the core body (1)
Bottom be provided with the leading foot (4) of coil (3), the leading foot (4) stretches out shielding magnetic cap (2), it is characterised in that：The magnetic core
The outer surface of body (1) is enclosed with an insulation sleeve (5), and the coil (3) is located at the inside of insulation sleeve (5), the insulation sleeve (5)
One, which is formed, at the top of core body (1) encloses flange (51), when core body (1) is installed in the inside of shielding magnetic cap (2), institute
The flange (51) for stating insulation sleeve (5) is resisted against the inner tip of shielding magnetic cap (2), and by the top of core body (1) and shielding
The inner tip of magnetic cap (2) is separated, so that being formed between the top of core body (1) and the inner tip of shielding magnetic cap (2)
Air gap (6) for improving magnetic saturation.
2. a kind of shielding inductance according to claim 1, it is characterised in that：The air gap (6) is set to more than 0.01mm.
3. a kind of shielding inductance according to claim 1, it is characterised in that：The line footpath of the coil (3) be 0.01mm~
1.5mm。
4. a kind of shielding inductance according to claim 1, it is characterised in that：The coil (3) uses the enamel-cover of single cord
The enamel covered wire coiling that copper wire winding is formed or twisted together using multi cord is formed.
5. a kind of shielding inductance according to claim 1, it is characterised in that：The leading foot (4) of the coil (3) is wicking
Position.
6. a kind of shielding inductance according to claim 1, it is characterised in that：The shielding magnetic cap (2) is arranged to cylindrical shape,
The core body (1) is set to I-type magnetic core body (1).
7. a kind of shielding inductance according to claim 1, it is characterised in that：The inside of the shielding magnetic cap (2) is filled with
The internal epoxy resin of shielding magnetic cap (2) is fixed on for core body (1) to be sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621470640.XU CN206340419U (en) | 2016-12-29 | 2016-12-29 | One kind shielding inductance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621470640.XU CN206340419U (en) | 2016-12-29 | 2016-12-29 | One kind shielding inductance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206340419U true CN206340419U (en) | 2017-07-18 |
Family
ID=59303067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621470640.XU Active CN206340419U (en) | 2016-12-29 | 2016-12-29 | One kind shielding inductance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206340419U (en) |
-
2016
- 2016-12-29 CN CN201621470640.XU patent/CN206340419U/en active Active
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| GR01 | Patent grant |