CN208045278U - It is a kind of vertical around inductance with the transversal planar coil of modified - Google Patents
It is a kind of vertical around inductance with the transversal planar coil of modified Download PDFInfo
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- CN208045278U CN208045278U CN201721782050.5U CN201721782050U CN208045278U CN 208045278 U CN208045278 U CN 208045278U CN 201721782050 U CN201721782050 U CN 201721782050U CN 208045278 U CN208045278 U CN 208045278U
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- modified
- planar coil
- vertical around
- flat wire
- coil
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Abstract
It is disclosed by the utility model a kind of vertical around inductance with the transversal planar coil of modified, which is characterized in that the coil including magnet ring and Flat wire vertical winding, magnet ring section is rounded or the polygon of quadrangle or more, and the cross section of the flat wire is trapezium structure.The utility model has following advantages compared with before (magnetic core and the coil section gross area are constant)：1. the number of turns can increase 10-50% or more (magnetic core and the coil section gross area are constant).2. window utilization rate improves 10-50% or more (magnetic core and the coil section gross area are constant).3. 20% or more volume-diminished (compared under equal performance before).
Description
Technical field
It is the utility model is related to inductive technologies field, more particularly to a kind of vertical around electricity with the transversal planar coil of modified
Sense.
Background technology
As power electronics develops towards high-power, high frequency, high power density direction, big electricity is proposed to magnetic element
The requirements such as stream, miniaturization, low-temperature-rise.It is in the ripe scheme of current application：Referring to Fig. 1 and Fig. 2, magnetic core 1 is using annular, line
Circle 2 for rectangular lines 3 it is vertical around.This scheme has apparent compared to traditional approach (for magnetic core using annular, coil is round wires multi-layer flat winding)
Advantage, but there is also following disadvantages at present：
1. magnetic core window utilization rate is low.
2. sensibility reciprocal is low (the number of turns cannot be around more).
Utility model content
The purpose of this utility model provides a kind of magnetic core window utilization for above-mentioned technical problem present in existing inductance
The standing around inductance with the transversal planar coil of modified that rate is high, sensibility reciprocal is high
In order to achieve the above objectives, the technical solution adopted in the utility model is：
It is a kind of vertical around inductance with the transversal planar coil of modified, include the coil of magnet ring and Flat wire vertical winding, the magnet ring
Section is rounded or the polygon of quadrangle or more, and the cross section of the flat wire is trapezium structure.The one of the utility model
In a preferred embodiment, the magnet ring of the polygon of described quadrangle or more uses round-corner transition between adjacent faceted pebble；Flat wire
It is vertical around coil start and end up between safety clearance >=4mm.
In a preferred embodiment of the utility model, the magnet ring surface spraying epoxy resin insulating varnish.
In a preferred embodiment of the utility model, the width-thickness ratio of the flat wire is 1:1.5 or more.
In a preferred embodiment of the utility model, broadside and the narrow side ratio of the cross section of the flat wire are 1:
0.5-0.9。
In a preferred embodiment of the utility model, the magnet ring is made of metal powder.
In a preferred embodiment of the utility model, the metal powder is amorphous metal powder, nanocrystalline metal powder, iron
One kind in silicon metal powder, iron sial metal powder, ferrite material powder.
In a preferred embodiment of the utility model, the coil of the Flat wire vertical winding is vertical around one layer.
In a preferred embodiment of the utility model, the flat wire is copper strap wire, flat aluminium wire or copper clad aluminum flat wire.
In a preferred embodiment of the utility model, the flat wire is carried out using insulated paint, insulating paper or glass fiber
Insulation processing.
As a result of technical solution as above, the utility model has following advantages compared with before, and (magnetic core and coil are horizontal
The section gross area is constant)：
1. the number of turns can increase 10-50% or more (magnetic core and the coil section gross area are constant).
2. window utilization rate improves 10-50% or more (magnetic core and the coil section gross area are constant).
3. 20% or more volume-diminished (compared under equal performance before).
Description of the drawings
Fig. 1 is the structural schematic diagram of existing inductance.
Fig. 2 is the flat wire cross-sectional view of the existing inductance coil of coiling.
Fig. 3 is vertical structural schematic diagram around inductance of the utility model with the transversal planar coil of modified.
Fig. 4 is vertical dimensional structure diagram around inductance of the utility model with the transversal planar coil of modified.
Fig. 5 is vertical flat wire cross-sectional view around inductance of the coiling the utility model with the transversal planar coil of modified.
Specific implementation mode
It is shown in figure a kind of vertical around inductance, including magnet ring 10 with the transversal planar coil of modified referring to Fig. 3 to Fig. 5
And flat wire 20 it is vertical around coil 30,10 section of magnet ring is rounded or the polygon of quadrangle or more, if it is 10 section of magnet ring
In the polygon of quadrangle or more, round-corner transition is used between adjacent faceted pebble.10 surface spraying epoxy resins insulation of magnet ring
Paint carries out insulation processing.
Magnet ring 10 is made of metal powder, and metal powder is amorphous metal powder, nanocrystalline metal powder, iron silicon metal powder, iron silicon
One kind in aluminum metal powder, ferrite material powder.
The cross section of flat wire 20 is trapezium structure, and the width-thickness ratio of flat wire 20 is 1:1.5 or more, the cross section of flat wire 20
Broadside and narrow side ratio be 1:0.5-0.9, flat wire 20 be copper strap wire, flat aluminium wire or copper clad aluminum flat wire, flat wire 20 using insulated paint,
Insulating paper or glass fiber carry out insulation processing.
Flat wire 20 it is vertical around the safety clearance >=4mm that starts between 31 and ending 32 of coil 30.Flat wire 20 it is vertical around coil 30
It stands around one layer.
Claims (10)
1. a kind of vertical around inductance with the transversal planar coil of modified, which is characterized in that the coil including magnet ring and Flat wire vertical winding,
The magnet ring section is rounded or the polygon of quadrangle or more, and the cross section of the flat wire is trapezium structure；Flat wire vertical winding
Coil start and end up between safety clearance >=4mm.
2. as described in claim 1 a kind of vertical around inductance with the transversal planar coil of modified, which is characterized in that four side
The magnet ring of the polygon of shape or more uses round-corner transition between adjacent faceted pebble.
3. as described in claim 1 a kind of vertical around inductance with the transversal planar coil of modified, which is characterized in that the magnet ring
Surface spraying epoxy resin insulating varnish.
4. as described in claim 1 a kind of vertical around inductance with the transversal planar coil of modified, which is characterized in that the flat wire
Width-thickness ratio be 1:1.5 or more.
5. as claimed in claim 4 a kind of vertical around inductance with the transversal planar coil of modified, which is characterized in that the flat wire
Broadside and the narrow side ratio of cross section be 1:0.5-0.9.
6. as described in claim 1 a kind of vertical around inductance with the transversal planar coil of modified, which is characterized in that the magnet ring
It is made of metal powder.
7. as claimed in claim 6 a kind of vertical around inductance with the transversal planar coil of modified, which is characterized in that the metal
Powder is one kind in amorphous metal powder, nanocrystalline metal powder, iron silicon metal powder, iron sial metal powder, ferrite material powder.
8. as described in claim 1 a kind of vertical around inductance with the transversal planar coil of modified, which is characterized in that the flat wire
It is vertical around coil it is vertical around one layer.
9. as described in claim 1 a kind of vertical around inductance with the transversal planar coil of modified, which is characterized in that the flat wire
For copper strap wire, flat aluminium wire or copper clad aluminum flat wire.
10. as claimed in claim 9 a kind of vertical around inductance with the transversal planar coil of modified, which is characterized in that described flat
Line carries out insulation processing using insulated paint, insulating paper or glass fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721782050.5U CN208045278U (en) | 2017-12-19 | 2017-12-19 | It is a kind of vertical around inductance with the transversal planar coil of modified |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721782050.5U CN208045278U (en) | 2017-12-19 | 2017-12-19 | It is a kind of vertical around inductance with the transversal planar coil of modified |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208045278U true CN208045278U (en) | 2018-11-02 |
Family
ID=63955494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721782050.5U Active CN208045278U (en) | 2017-12-19 | 2017-12-19 | It is a kind of vertical around inductance with the transversal planar coil of modified |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208045278U (en) |
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2017
- 2017-12-19 CN CN201721782050.5U patent/CN208045278U/en active Active
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