CN209000715U - A kind of common-mode inductor using flat enameled wire - Google Patents
A kind of common-mode inductor using flat enameled wire Download PDFInfo
- Publication number
- CN209000715U CN209000715U CN201822076216.2U CN201822076216U CN209000715U CN 209000715 U CN209000715 U CN 209000715U CN 201822076216 U CN201822076216 U CN 201822076216U CN 209000715 U CN209000715 U CN 209000715U
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- China
- Prior art keywords
- coil
- base plate
- enameled wire
- ring body
- magnetic ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000002184 metal Substances 0.000 claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
- 238000004804 winding Methods 0.000 claims abstract description 5
- 239000011810 insulating material Substances 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 abstract description 2
- 239000003990 capacitor Substances 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a kind of common-mode inductors using flat enameled wire, including magnetic ring body, first coil, the second coil and base plate, the magnetic ring body to be integral the annular solid being rectangle；The first coil is made of flat enameled wire, and first coil is wrapped in a long side of magnetic ring body；Second coil is identical as first coil, and the second coil is wrapped in another long side of magnetic ring body, and the second coil is opposite with the winding direction of first coil；The base plate is made of insulating material, and is opened up on base plate there are four rectangular through holes, metal leg piece is fixedly installed in rectangular through holes.The common-mode inductor of the utility model, due to the problem of being wrapped on magnetic ring body using flat enameled wire, can effectively solve turn-to-turn short circuit, and common mode inductance performance profile capacitor is very low, inhibit interference signal good, frequency of use range is wide, and common mode inductance volume can be greatly decreased.
Description
Technical field
The utility model relates to a kind of inductors of technical field, particularly relate to a kind of being total to using flat enameled wire
Mould inductor.
Background technique
Common mode inductance is also known as common mode choke, is usually used in filtering the electromagnetic interference signal of common mode in the Switching Power Supply of computer.
In board design, common mode inductance is also to play EMI filtering, the electromagnetic wave outside spoke for inhibiting HW High Way to generate
Penetrate transmitting.Traditional common mode inductance usually winds two groups of coils on magnet, the part that every group of coil is drawn respectively with firewire and
Zero curve connection, existing common mode inductance typically uses circular ring shape magnet, and winds enameled wire at magnet both ends, and general
Enameled wire due to be it is cylindrical, the coil laid out is all multilayer winding, and volume is big, and there are the danger of turn-to-turn short circuit, uses the longevity
The disadvantages of life is shorter, and distribution capacity is high, inhibits interference signal effect poor, and frequency of use is limited in scope.
Utility model content
The purpose of the utility model is to provide a kind of common-mode inductors using flat enameled wire, above-mentioned existing effectively to overcome
There is the deficiency of technology.
To achieve the goals above, the technical solution adopted in the utility model is: a kind of common mode using flat enameled wire
Inductor, including magnetic ring body, first coil, the second coil and base plate, the magnetic ring body are integral the annular being rectangle
Body；The first coil is made of flat enameled wire, and the cross section of enameled wire is rectangle, and first coil is wrapped in magnetic ring body
A long side on；Second coil is identical as first coil, and the second coil is wrapped in another long side of magnetic ring body, and second
Coil is opposite with the winding direction of first coil；The base plate is made of insulating material, and opens up that there are four long on base plate
Square through hole is fixedly installed with metal leg piece in rectangular through holes, and metal leg piece is vertical with base plate, four metal leg pieces
Upper end be bonded welding with first coil and the second overhang respectively, and by welding by magnetic ring body, first coil and
Second coil is fixed on base plate, is fixed with a vertical partition in the middle part of the upper surface of base plate, partition is located at First Line
Between circle and the second coil.
Preferably, the enameled wire is made of copper material.
Further, the material of the metal leg piece is identical as the material of first coil, the width and thickness of metal leg piece
It is not less than the width and thickness of enameled wire, is additionally provided with piece connecting hole in the lower end of metal leg piece.
Further, heat-conducting pad is additionally provided on the base plate, heat-conducting pad is located at first coil and the second coil and bottom
Between seat board, and it is affixed with first coil, the second coil and base plate.
Using the utility model of the technical program, the beneficial effect is that: the common-mode inductor of the utility model, due to using
Flat enameled wire is wrapped on magnetic ring body, therefore the problem of can effectively solve turn-to-turn short circuit, and common mode inductance performance profile electricity
Appearance is very low, inhibits interference signal good, frequency of use range is wide, and common mode inductance volume can be greatly decreased；Due to metal leg piece, partition
And the setting of heat-conducting pad, therefore the stability of common mode inductance greatly improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the top view of Fig. 1；
Figure label: 100, magnetic ring body；200, first coil；300, the second coil；400, base plate；410, metal leg
Piece；411, piece connecting hole；420, partition；430, heat-conducting pad.
Specific embodiment
Below in conjunction with attached drawing, the utility model is described in further detail.
Referring to Fig. 1 and Fig. 2, the common-mode inductor of the utility model, including magnetic ring body 100, first coil 200, the second line
Circle 300 and base plate 400, the magnetic ring body 100 are integral the annular solid being rectangle；The first coil 200 is by flat
Enameled wire be made, the cross section of enameled wire is rectangle, and first coil 200 is wrapped in a long side of magnetic ring body 100；It is described
Second coil 300 is identical as first coil 200, and the second coil 300 is wrapped in another long side of magnetic ring body 100, the second line
Circle 300 is opposite with the winding direction of first coil 200；The base plate 400 is made of insulating material, and is opened on base plate 400
If being fixedly installed with metal leg piece 410, metal leg piece 410 and base plate 400 in rectangular through holes there are four rectangular through holes
Vertically, the upper end of four metal leg pieces 410 is bonded welding with the end of first coil 200 and the second coil 300 respectively, and
Magnetic ring body 100, first coil 200 and the second coil 300 are fixed on base plate 400 by welding, in the upper of base plate 400
Middle face is fixed with a vertical partition 420, and partition 420 is located between first coil 200 and the second coil 300.The paint
Envelope curve is made of copper material.The material of the metal leg piece 410 is identical as the material of first coil 200, the width of metal leg piece 410
Degree and thickness are not less than the width and thickness of enameled wire, are additionally provided with piece connecting hole 411 in the lower end of metal leg piece 410.It is described
Heat-conducting pad 430 is additionally provided on base plate 400, heat-conducting pad 430 is located at first coil 200 and the second coil 300 and base plate
Between 400, and it is affixed with first coil 200, the second coil 300 and base plate 400.
In production, magnetic ring body 100 can also be piecewise combination, thus can by coil use machine coiling, machine around
Coil is covered on magnetic ring body 100 again after the completion of system, after the magnetic ring body of piecewise combination 100 is closed again, specifically herein just not
It repeats one by one.
It above are only an embodiment of the present invention, be not intended to limit the utility model, it is all in the utility model
Spirit and principle within made any modification equivalent replacement and improvement, should be included in the protection scope of the utility model it
It is interior.
Claims (4)
1. a kind of common-mode inductor using flat enameled wire, including magnetic ring body, first coil, the second coil and base plate,
Be characterized in that: the magnetic ring body is integral the annular solid being rectangle；The first coil is made of flat enameled wire, paint
The cross section of envelope curve is rectangle, and first coil is wrapped in a long side of magnetic ring body；Second coil and first coil phase
Together, the second coil is wrapped in another long side of magnetic ring body, and the second coil is opposite with the winding direction of first coil；The bottom
Seat board is made of insulating material, and is opened up on base plate there are four rectangular through holes, gold is fixedly installed in rectangular through holes
Belong to foot piece, metal leg piece is vertical with base plate, the upper end of four metal leg pieces respectively with first coil and the second coil
End fitting welding, and magnetic ring body, first coil and the second coil are fixed on base plate by welding, in the upper of base plate
Middle face is fixed with a vertical partition, and partition is between first coil and the second coil.
2. a kind of common-mode inductor using flat enameled wire according to claim 1, it is characterised in that: the enameled wire
It is made of copper material.
3. a kind of common-mode inductor using flat enameled wire according to claim 1, it is characterised in that: the metal leg
The material of piece and the material of first coil are identical, and the width and thickness of metal leg piece is not less than the width and thickness of enameled wire
Degree, is additionally provided with piece connecting hole in the lower end of metal leg piece.
4. a kind of common-mode inductor using flat enameled wire according to claim 1, it is characterised in that: the base plate
On be additionally provided with heat-conducting pad, heat-conducting pad between first coil and the second coil and base plate, and with first coil, second
Coil and base plate are affixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822076216.2U CN209000715U (en) | 2018-12-12 | 2018-12-12 | A kind of common-mode inductor using flat enameled wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822076216.2U CN209000715U (en) | 2018-12-12 | 2018-12-12 | A kind of common-mode inductor using flat enameled wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209000715U true CN209000715U (en) | 2019-06-18 |
Family
ID=66808497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822076216.2U Expired - Fee Related CN209000715U (en) | 2018-12-12 | 2018-12-12 | A kind of common-mode inductor using flat enameled wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209000715U (en) |
-
2018
- 2018-12-12 CN CN201822076216.2U patent/CN209000715U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190618 |