CN209418264U - A kind of composite structure common mode inductance - Google Patents
A kind of composite structure common mode inductance Download PDFInfo
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- CN209418264U CN209418264U CN201920025203.4U CN201920025203U CN209418264U CN 209418264 U CN209418264 U CN 209418264U CN 201920025203 U CN201920025203 U CN 201920025203U CN 209418264 U CN209418264 U CN 209418264U
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- magnetic core
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- stick
- pedestal
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Abstract
The utility model discloses a kind of composite structure common mode inductances, including pedestal, coil and magnetic core, coil and magnetic core are respectively positioned on pedestal, the magnetic core includes pot magnetic core and R stick magnetic core, the pot magnetic core is made of magnetic core under magnetic core in pot interconnected and pot, the middle part of magnetic core is provided with hollow portion under magnetic core and pot in pot, periphery all has opening, and the opening of the two aligns, form the open channel of connection, the coil is located in pot magnetic core, the coil pin of coil is drawn after open channel from the pedestal outlet hole of pedestal, the hollow portion and coil of R stick magnetic core magnetic core under magnetic core in pot and pot, the bottom of R stick magnetic core is directly in contact with the surface of pedestal.The common mode inductance uses pot enclosed construction, and shield effectiveness gets a promotion, diamagnetic interference performance enhancing.
Description
Technical field
The utility model relates to inductance component, in particular to a kind of composite structure common mode inductances, are suitable for power supply, automobile
The products such as electronics, photovoltaic, illumination, especially high pressure resistant field.
Background technique
Common mode inductance is power supply, automotive electronics, photovoltaic, the common product for illuminating high pressure resistant field.
Currently, conventional common mode inductance is easily saturated, since saturation problem leads to impedance in certain high current design schemes
It reduces, filter effect is had a greatly reduced quality, and circuit normal work is influenced.
Conventional common mode inductance mostly uses magnet ring coiling, and coil is exposed outside, and effectiveness is poor.
Conventional common mode inductance mostly uses two groups of equal turn numbers, and the opposite coil winding of direction of winding is in round or square magnetic core
On.This structure causes magnetic core window utilization rate low, and small product size is bigger than normal.
Utility model content
The purpose of the utility model is to provide a kind of composite structure common mode inductances, using pot enclosed construction, shielding effect
Fruit gets a promotion, diamagnetic interference performance enhancing.
The above-mentioned purpose of the utility model is realized by following technical solution: a kind of composite structure common mode inductance, including
Pedestal, coil and magnetic core, coil and magnetic core are respectively positioned on pedestal, it is characterised in that: the magnetic core includes pot magnetic core and R stick magnetic
Core, the pot magnetic core are made of magnetic core under magnetic core in pot interconnected and pot, magnetic under magnetic core and pot in pot
The middle part of core is provided with hollow portion, and periphery all has opening, and the opening of the two aligns, and forms the open channel of connection,
The coil is located in pot magnetic core, and the coil pin of coil is drawn after open channel from the pedestal outlet hole of pedestal,
The R stick magnetic core passes through the hollow portion and coil of magnetic core under magnetic core and pot in pot, and the bottom of R stick magnetic core is directly and bottom
The surface of seat is in contact.
In the utility model, the R stick magnetic core is using iron silicon or iron sial or mixed metal magnetic powder material or ferrite
Material.
In the utility model, the hollow portion of magnetic core is circular hollow portion under magnetic core and pot in the pot, the R stick
Magnetic core is cylindrical rod.
In the utility model, the connection type of magnetic core can be using bonding or mutual button under magnetic core and pot in the pot
Conjunction mode.
In the utility model, the opening of magnetic core periphery is four under magnetic core and pot in the pot, and the coil is
For double flat wires in the same direction and around to the coiling flatwise coil for weighing up foot, the coil has four coil pins, the pedestal outlet
Kong Weisi.
The utility model can do following improvement: insulation shell is equipped in the pot magnetic core, insulation shell is placed under pot
In magnetic core, the bottom of insulation shell is directly contacted with the bottom of magnetic core under pot, and the middle part of insulation shell has central tube, central tube tool
There is the central through hole of perforation, peripheral lateral wall has opening, and the direction of the opening of magnetic core keeps one under opening direction and pot
It causes, the coil is located between the central tube and lateral wall of insulation shell, and R stick magnetic core passes through the central through hole of insulation shell, by exhausted
The central tube retarder and R stick magnetic core of edge shell pass through magnetic core under the bottom surface retarder and pot of insulation shell.
In the utility model, the annular insulating mat of centre bore is provided on the top of the coil and pot between magnetic core
Piece, by magnetic core on annular insulating mat piece retarder and pot, annular insulating mat piece and insulation shell constitute double insulation component,
Coil is isolated with pot magnetic core and R stick magnetic core respectively.
Compared with prior art, the utility model has following remarkable result:
1, the utility model uses pot enclosed construction, and shield effectiveness gets a promotion, diamagnetic interference performance enhancing.
2, the utility model is constant by retainer member structure and most of production technology, only changes the material of R stick magnetic core,
Generate the device of different performance.Iron silicon or iron sial or mixed metal magnetic powder material can be used in the R stick magnetic core that the utility model uses
Matter or ferrite material, since material is adjustable, the performance of corresponding R stick magnetic core is also different.Such as: using iron sial magnetic
Core will have equally distributed air gap as R stick magnetic core inside bar magnet, the core loss of product reduces.Using iron silicon magnetic core
As R stick magnetic core, inductance is not easy to be saturated, energy storage capacity enhancing.Using ferrite as R stick magnetic core, inductance value is improved,
Impedance value increases.
3, the utility model improves winding coil using double flat wires in the same direction and around to coiling by the way of foot is weighed up
Utilization rate saves material cost.
4, the utility model has been isolated coil and magnetic core, R stick magnetic core, has also been improved by insulation shell and annular insulating mat piece
The resistance to pressure of device.
5, this utility model fastens body portion using pedestal support pot magnetic core, and vibrationproof performance enhancement of insulating, pedestal goes out
Wire casing positioning pins distance is more accurate.
Detailed description of the invention
The utility model is described in further details with reference to the accompanying drawings and detailed description.
Fig. 1 is the overall structure diagram of the utility model composite structure common mode inductance；
Fig. 2 is the explosive view of Fig. 1；
Fig. 3 is the structural schematic diagram of R stick magnetic core in the utility model composite structure common mode inductance；
Fig. 4 is the structural schematic diagram of magnetic core in pot in the utility model composite structure common mode inductance；
Fig. 5 is the structural schematic diagram of magnetic core under pot in the utility model composite structure common mode inductance；
Fig. 6 is the structural schematic diagram of annular insulation spacer in the utility model composite structure common mode inductance；
Fig. 7 is the structural schematic diagram of the utility model composite structure common mode inductance coil；
Fig. 8 is the structural schematic diagram of insulation shell in the utility model composite structure common mode inductance；
Fig. 9 is the structural schematic diagram of pedestal in the utility model composite structure common mode inductance.
In figure:
1 is magnetic core in pot；
2 be R stick magnetic core；
3 be coil；
4 be coil pin；
5 be annular insulating mat piece；
6 be pedestal outlet hole；
7 be pedestal lug；
8 be magnetic core under pot；
9 be circular hollow portion；
10 be insulation shell；
11 be pedestal；
12 be central tube；
13 be lateral wall；
14 be central through hole.
Specific embodiment
A kind of composite structure common mode inductance as shown in Figures 1 to 9, including pedestal 11, coil 3 and magnetic core, coil 3 and magnetic
Core is respectively positioned on pedestal 11, and magnetic core includes pot magnetic core and R stick magnetic core 2, and pot magnetic core is by magnetic core 1 and tank in the pot that is mutually bonded
Magnetic core 8 forms under type, and magnetic core 1 can also be connected with magnetic core 8 under pot by the way of mutually fastening in pot, magnetic in pot
The middle part of magnetic core 8 is provided with hollow portion under core 1 and pot, and periphery all has opening, and the opening of the two aligns, and composition connects
Logical open channel, coil 3 are located in pot magnetic core, and the coil pin 4 of coil 3 is after open channel from the pedestal of pedestal 11
Outlet hole 6 is drawn, the hollow portion and coil 3 of the magnetic core 8 under magnetic core 1 in pot and pot of R stick magnetic core 2, R stick magnetic core 2
Bottom is directly in contact with the surface of pedestal 11.Using pot enclosed construction, shield effectiveness gets a promotion, diamagnetic interference performance
Enhancing.
In the present embodiment, iron silicon or iron sial or mixed metal magnetic powder material or ferrite material is can be used in R stick magnetic core 2.
The material for only changing R stick magnetic core, generates the device of different performance.Since material is adjustable, the performance of corresponding R stick magnetic core
It is different.The hollow portion of magnetic core 8 is circular hollow portion 9 under magnetic core 1 and pot in pot, and R stick magnetic core 2 is cylindrical rod, tank
The opening of 8 periphery of magnetic core is four under magnetic core 1 and pot in type, and coil 3 is double flat wires in the same direction and around the coiling to foot is weighed up
Flatwise coil improves the utilization rate of winding coil, saves using double flat wires in the same direction and around to coiling by the way of foot is weighed up
Material cost, coil 3 have four coil pins 4, and pedestal outlet hole 6 is four, are separately positioned on four pedestal lugs 7.
In the utility model, insulation shell 10 is equipped in pot magnetic core, coil 3 is placed among insulation shell 10, insulation shell 10
It is placed under pot in magnetic core 8, the bottom of insulation shell 10 is directly contacted with the bottom of magnetic core 8 under pot, the middle part of insulation shell 10
With central tube 12, central tube 12 has the central through hole 14 of perforation, and peripheral lateral wall 13 has opening, and lateral wall 13 is opened
Mouth direction and the direction of the opening of magnetic core 8 under pot are consistent, and coil 3 is located at the central tube 12 and lateral wall 13 of insulation shell 10
Between, R stick magnetic core 2 passes through the central through hole 14 of insulation shell 10, passes through 12 retarder 3 of central tube and R stick magnetic of insulation shell 10
Core 2 passes through magnetic core 8 under the bottom surface retarder 3 and pot of insulation shell 10.It is arranged between magnetic core 1 on the top of coil 3 and pot
Annular insulating mat piece 5 with centre bore passes through 5 retarder 3 of annular insulating mat piece and magnetic core 1 in pot, annular insulating mat
Piece 5 and insulation shell 10 constitute double insulation component, and coil 3 is isolated with pot magnetic core and R stick magnetic core 2 respectively, improves device
Resistance to pressure.
The present embodiment is that two pot magnetic cores mutually fasten, R stick magnetic core passes through flatwise coil and two pot magnetic cores are round
The new composite structure of hollow portion.Flatwise coil is using in the same direction and around to by the way of weighing up foot.In above-mentioned component, pot magnetic core, R
Stick magnetic core, insulation shell, annular insulating mat piece, flat wire coil, pedestal, can be used unlike material and different sizes.
The above embodiments of the present invention is not the restriction to scope of protection of the utility model, the reality of the utility model
It is without being limited thereto to apply mode, all this kind above content according to the present utility model, according to the ordinary technical knowledge of this field and used
With means, under the premise of not departing from the utility model above-mentioned basic fundamental thought, the utility model above structure is made its
The modification, replacement or change of its diversified forms, shall fall within the scope of the present invention.
Claims (7)
1. a kind of composite structure common mode inductance, including pedestal, coil and magnetic core, coil and magnetic core are respectively positioned on pedestal, feature
Be: the magnetic core includes pot magnetic core and R stick magnetic core, and the pot magnetic core is by magnetic core and pot in pot interconnected
Lower magnetic core composition, the middle part of magnetic core is provided with hollow portion under magnetic core and pot in pot, and periphery all has opening, and the two
Opening aligns, and forms the open channel of connection, and the coil is located in pot magnetic core, and the coil pin of coil is by opening
It is drawn behind channel from the pedestal outlet hole of pedestal, the hollow portion of R stick magnetic core magnetic core under magnetic core in pot and pot
And coil, the bottom of R stick magnetic core are directly in contact with the surface of pedestal.
2. composite structure common mode inductance according to claim 1, it is characterised in that: the R stick magnetic core using iron silicon or
Iron sial or mixed metal magnetic powder material or ferrite material.
3. composite structure common mode inductance according to claim 1, it is characterised in that: magnetic under magnetic core and pot in the pot
The hollow portion of core is circular hollow portion, and the R stick magnetic core is cylindrical rod.
4. composite structure common mode inductance according to claim 1, it is characterised in that: magnetic under magnetic core and pot in the pot
Core is mutually bonded or mutually fastens.
5. composite structure common mode inductance according to claim 1, it is characterised in that: magnetic under magnetic core and pot in the pot
The opening of core periphery is four, and the coil is double flat wires in the same direction and around to the coiling flatwise coil for weighing up foot, the coil
With four coil pins, the pedestal outlet hole is four.
6. composite structure common mode inductance according to any one of claims 1 to 5, it is characterised in that: in the pot magnetic core
Equipped with insulation shell, insulation shell is placed under pot in magnetic core, and the bottom of insulation shell is directly contacted with the bottom of magnetic core under pot, absolutely
The middle part of edge shell have central tube, central tube have perforation central through hole, peripheral lateral wall have opening, opening direction with
The direction of the opening of magnetic core is consistent under pot, and the coil is located between the central tube and lateral wall of insulation shell, R stick magnetic core
It is isolated by the central tube retarder and R stick magnetic core of insulation shell by the bottom surface of insulation shell across the central through hole of insulation shell
Magnetic core under coil and pot.
7. composite structure common mode inductance according to claim 6, it is characterised in that: magnetic on the top of the coil and pot
It is provided with the annular insulating mat piece of centre bore between core, passes through magnetic core on annular insulating mat piece retarder and pot, annular
Insulation spacer and insulation shell constitute double insulation component, and coil is isolated with pot magnetic core and R stick magnetic core respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920025203.4U CN209418264U (en) | 2019-01-07 | 2019-01-07 | A kind of composite structure common mode inductance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920025203.4U CN209418264U (en) | 2019-01-07 | 2019-01-07 | A kind of composite structure common mode inductance |
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| Publication Number | Publication Date |
|---|---|
| CN209418264U true CN209418264U (en) | 2019-09-20 |
Family
ID=67943006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920025203.4U Active CN209418264U (en) | 2019-01-07 | 2019-01-07 | A kind of composite structure common mode inductance |
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|---|---|
| CN (1) | CN209418264U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114188128A (en) * | 2020-09-15 | 2022-03-15 | 光宝电子(广州)有限公司 | Magnetic assembly |
-
2019
- 2019-01-07 CN CN201920025203.4U patent/CN209418264U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114188128A (en) * | 2020-09-15 | 2022-03-15 | 光宝电子(广州)有限公司 | Magnetic assembly |
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Address after: 518000 3401-3405, Building 11, Tian'an Yungu Industrial Park Phase II (Plot 02-08), Gangtou Community, Bantian Street, Longgang District, Shenzhen, Guangdong Patentee after: SHENZHEN CODACA ELECTRONIC Co.,Ltd. Address before: 518000 a, floor 2, building 2, Yongchuang Science Park, science and technology second road, shangxue science and Technology City, Bantian street, Longgang District, Shenzhen, Guangdong Patentee before: SHENZHEN CODACA ELECTRONIC Co.,Ltd. |
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