CN102044324B - Line filter - Google Patents
Line filter Download PDFInfo
- Publication number
- CN102044324B CN102044324B CN201010279841.2A CN201010279841A CN102044324B CN 102044324 B CN102044324 B CN 102044324B CN 201010279841 A CN201010279841 A CN 201010279841A CN 102044324 B CN102044324 B CN 102044324B
- Authority
- CN
- China
- Prior art keywords
- mentioned
- magnetic core
- mode magnetic
- terminal
- common mode
- 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
Links
- 238000002788 crimping Methods 0.000 claims description 14
- 239000007767 bonding agent Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 229920003002 synthetic resin Polymers 0.000 claims description 2
- 239000000057 synthetic resin Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 10
- 238000004804 winding Methods 0.000 abstract 6
- 238000003780 insertion Methods 0.000 description 10
- 230000037431 insertion Effects 0.000 description 10
- 230000004907 flux Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
- H01F17/062—Toroidal core with turns of coil around it
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
Abstract
A line filter of the invention is to sufficiently ensure an insulation distance between an L-shaped terminal and a common mode magnetic core equipped on a terminal platform, and furthermore position a normal mode magnetic core which is inserted from a side surface of a winding tube. The line filter is provided with the following components: a terminal-equipped winding tube (10) which comprises a core winding part (12) coiled by a pair of coils, two end flanges (13) provided at two ends of the core winding part (12), the terminal platform (16) provided below the two end flanges, and an L-shaped terminal (18) provided below the terminal platform; a transversely equipped common mode magnetic core (40) which inserts one magnetic pin (41) into the core winding part and form a closed magnetic path; the common mode magnetic core (30) which is magnetically coupled with the closed magnetic path of the common mode magnetic core and is inserted into a recess (15) that is provided at a side surface of a middle flange (14); and an insulative cover (50) which is provided between the common mode magnetic core and the terminal and is blocked with the terminal-equipped winding tube (10) when the normal mode magnetic core which is inserted into the recess is jointed through pressure joint.
Description
Technical field
The present invention relates to the line filter using in various electronic equipments.
Background technology
As shown in Figure 8, line filter in the past by being wound with the bobbin 102 of a pair of coil 101, at the vertical U-shaped common mode magnetic core 103 of the interior insertion one magnetic pin of bobbin 102, at the H shape normal mode magnetic core 104 of 101 insertions of this coil, from the terminal board of bobbin 102 to the outstanding terminal 105 of substrate installed surface, the support 106 of clamping common mode magnetic core 103 forms, and can remove common-mode noise and normal noise (for example patent documentation 1).
Patent documentation 1: Japanese kokai publication hei 9-139317 communique
The line filter of Fig. 8 is configured in common mode magnetic core and normal mode magnetic core on bobbin in the vertical, thereby increase highly, and owing to coil end being rolled onto from the terminal board of bobbin to the outstanding terminal of substrate installed surface thereby highly increasing the amount of height that this has been rolled, do not meet the requirement of low level.
Therefore, can consider common mode magnetic core to be configured and to reduce height to horizontally-arranged mode at bobbin upper cross-square, or one end is outstanding to substrate installed surface and the other end extends from terminal board side L font terminal is set, reduces around the amount of height to one end by the other end that coil end is rolled onto to this L font terminal.
But, in the time reducing height with which, can not fully guarantee the other end of the L font terminal extending from terminal board side and the insulation distance between the lower surface of the horizontal common mode magnetic core of configuration above this terminal.
In addition, due to common mode magnetic core is configured in accumbency mode, so move and can not carry out correct location to bobbin side foreign side at normal mode magnetic core can normal mode magnetic core be inserted from bobbin side with the magnetic-coupled mode of common mode magnetic core time.
Summary of the invention
Therefore, the object of the invention is fully to guarantee the L font terminal that arranges and the insulation distance of common mode magnetic core on terminal board, and can carry out the location of the normal mode magnetic core inserting from bobbin side.
For realizing above-mentioned purpose and the present invention of making possesses: band terminal bobbin, comprises the two ends flange part that is wound with the volume core of a pair of coil, arrange at the two ends of above-mentioned volume core, the intermediate flange portion that above-mentioned coil is separated arranging in the central authorities of above-mentioned two ends flange part, the terminal board arranging below the flange part of above-mentioned two ends, the L font terminal of the coil end of reeling on the outstanding other end in one end outstanding below above-mentioned terminal board with to above-mentioned terminal board side; Horizontal common mode magnetic core, inserts a magnetic pin in above-mentioned volume core and by other magnetic pin and is configured in above-mentioned volume core periphery and forms closed magnetic circuit; Normal mode magnetic core, with the closed magnetic circuit magnetic coupling of above-mentioned common mode magnetic core, and is inserted in the recess of above-mentioned intermediate flange portion side setting; And the lid of insulating properties, between above-mentioned common mode magnetic core and above-mentioned terminal, in the above-mentioned above-mentioned normal mode magnetic core covering in crimping is inserted into above-mentioned recess, is engaged on above-mentioned bobbin.
In line filter of the present invention, as preferred feature, also comprise: above-mentioned normal mode magnetic core one end is connected in above-mentioned recess, and, from the other end outstanding in above-mentioned recess by above-mentioned lid crimping, the tabular surface that the other end of the above-mentioned normal mode magnetic core of above-mentioned lid crimping arranges, above-mentioned lid is the コ glyph shape substantially of overlooking being made up of the support portion of Liang Ge foot and the above-mentioned foot of support, in the other end by the above-mentioned normal mode magnetic core of above-mentioned support portion crimping, be engaged in the terminal board of above-mentioned bobbin by the holding section arranging in above-mentioned foot.
The effect of invention: according to the present invention, the lid of the insulating properties engaging on the bobbin arranging between common mode magnetic core and L font terminal, crimping can with the common mode magnetic core magnetic coupling configuring in accumbency mode be configured in the normal mode magnetic core in the recess of intermediate flange portion side, thereby can carry out the correct location of normal mode magnetic core, and can fully guarantee the insulation distance of common mode magnetic core and L font terminal.
Brief description of the drawings
Fig. 1 is the major part exploded perspective view of the line filter of first embodiment of the invention.
Fig. 2 is that the major part of the line filter in Fig. 1 completes stereogram.
Fig. 3 is vertical view (a), front view (b), end view (c), the upward view (d) of completed line filter of the present invention.
Fig. 4 is the cutaway view of the A-A part of the line filter in Fig. 3.
Fig. 5 is the flow graph of the magnetic flux corresponding with common-mode noise in Fig. 3.
Fig. 6 is the flow graph of the magnetic flux corresponding with normal noise in Fig. 3.
Fig. 7 is the cutaway view of the A-A part of the line filter of Fig. 3 of second embodiment of the invention.
Fig. 8 is the exploded perspective view of existing line filter.
Mark in figure:
1: line filter
10: with the bobbin of terminal
30: normal mode magnetic core (ノ mono-マ Le モ mono-De コ ァ)
40: common mode magnetic core (コ モ Application モ mono-De コ ァ)
50: lid
60: support
Embodiment
Carry out with reference to the accompanying drawings illustrative embodiments of the present invention below.But, the material of the component parts that this execution mode is recorded, shape, its relatively configuration etc. as long as no specifically recording especially, scope of the present invention can not be confined to instantiation.
The first execution mode
Fig. 1 is the major part exploded perspective view of the line filter of first embodiment of the invention.Fig. 2 is that the major part of the line filter in Fig. 1 completes stereogram.Fig. 3 is vertical view (a), front view (b), end view (c), the upward view (d) of completed line filter of the present invention.Fig. 4 is the cutaway view of the A-A part of the line filter in Fig. 3.Fig. 5 is the flow graph of the magnetic flux corresponding with common-mode noise in Fig. 3.Fig. 6 is the flow graph of the magnetic flux corresponding with normal noise in Fig. 3.
In Fig. 1 to Fig. 6, the line filter 1 of present embodiment comprises: band terminal bobbin 10, common mode magnetic core 40, normal mode magnetic core 30, support 60, lid 50.
Formed by the one-body molded product of synthetic resin with terminal bobbin 10, comprise: the volume core 12 of a pair of coil 11 of reeling, the two ends flange part 13 arranging at the two ends of this volume core 12, the intermediate flange portion 14 that a pair of coil 11 is separated arranging in the central authorities of two ends flange part 13, the recess 15 at the insertion normal mode magnetic core 30 of these intermediate flange portion 14 lateral openings, the terminal board 16 arranging below two ends flange part 13, the terminal 18 arranging at terminal board 16, the two ends flange part 13 with terminal bobbin 10 is substantially identical with the external diameter of intermediate flange portion 14.
The opening diameter of the recess 15 of this intermediate flange portion 14 is substantially identical with the insertion profile of normal mode magnetic core 30, can be at the interior insertion normal mode of this recess 15 magnetic core 30.In addition,, on the opening bottom surface 15A of the recess 15 of intermediate flange portion 14, there is the splay inclined plane 15B of cardinal principle at aftermentioned 31 butts of two chamfered section that one end of A font arranges substantially of normal mode magnetic core 30.
Terminal 18 is one end 18As outstanding by the below to terminal board 16 and from terminal board 16 sides and the volume core 12 L font terminal that other end 18B outstanding and coiling coil end forms abreast substantially.This terminal 18 is pressed into and one end 18A and other end 18B give prominence to and are fixed from terminal board 16 from the terminal insertion hole 17A of the terminal board 16 upper surface settings with terminal bobbin 10.
Terminal board 16 is given prominence to and is formed to flange part foreign side, and the upper surface of a terminal board 16A has mounting and covers 50 par 17, and this par 17 is provided with the slot part 17B that the aftermentioned engagement pawl 51 of lid 50 is engaged.On this terminal board 16A mounting cover 50 and thereon surface load common mode magnetic core 40.
In addition, load the height of a terminal board 16A who covers 50, be formed as reducing the amount of thickness of covering 50 compared with not loading the height of another terminal board 16B that covers 50.
Lid 50 is overlooked as the thin sheet form of cardinal principle コ font forms by insulating properties, the engagement pawl 51 as holding section that has Liang Ge foot 52, connects the support portion 53 of this foot 52, arranges at the front end of foot 52.
This lid 50 arranges between the lower surface of common mode magnetic core 40 and terminal 18 horizontally, is clamped by a terminal board 16A upper surface and common mode magnetic core 40.
In addition, the width W 1 of lid 50 is substantially identical with the width W of the common mode magnetic core 40 that magnetic foot face 43 described later is faced 2.
Common mode magnetic core 40 is made up of two コ fonts of magnetic, is configured in volume core 12 peripheries at the interior insertion one magnetic pin 41 of the volume core 12 with terminal bobbin 10 and by other magnetic pin 42.Interior shape in this volume core 12 with terminal bobbin 10 is substantially identical with the profile of a magnetic pin 41 of common mode magnetic core 40, and in the time of the interior insertion one magnetic pin 41 of volume core 12, common mode magnetic core 40 is located by band terminal bobbin 10.
And two common mode magnetic cores 40 are faced magnetic foot face 43 and form square shape, configure above a terminal board 16A horizontally.The common mode magnetic core 40 so forming forms magnetic closed magnetic circuit, forms flowing of the magnetic flux that causes common-mode noise shown in Fig. 5, and can remove common-mode noise.
Support 60 is to have flexible metallic コ font, under the state that the magnetic foot face 43 of common mode magnetic core 40 is faced, clamps common mode magnetic core 40 peripheries.
Normal mode magnetic core 30 is formed as the cardinal principle A font by magnetic system, at one end on 30A, has two chamfered section 31, has annulus 32 in cardinal principle central authorities, has two magnetic pin 33 and magnetic pin opening 34 at other end 30B.The opening diameter of this annulus 32 forms slightly greatlyr than the profile of a magnetic pin 41 of common mode magnetic core 40, and the opening diameter T1 of magnetic pin opening 34 forms slightly greatlyr than the thickness T 2 of other magnetic pin 42 of common mode magnetic core 40.
In addition, one end 30A of normal mode magnetic core 30 this normal mode magnetic core 30 in the time that the recess 15 that is inserted into intermediate flange portion 14 is interior is in the face of the opening bottom surface 15A in this recess 15, and the other end 30B of normal mode magnetic core 30 configures highlightedly from the opening of this recess 15.
In addition, the magnetic foot plate surface 35 of normal mode magnetic core 30 is provided with the rake 36 of the shape of falling the Eight characters, and this rake 36 forms with the mode of other magnetic pin 42 of the common mode magnetic core 40 of the magnetic pin opening 34 relative configurations of normal mode magnetic core 30 and improves normal characteristics to surround.
Have, normal mode magnetic core 30 is to be configured in the recess 15 of intermediate flange portion 14 sides with the magnetic-coupled mode of closed magnetic circuit of the common mode magnetic core 40 of landscape configuration again.Therefore, the below of normal mode magnetic core 30 and the configurable flange part of common mode magnetic core 40 upper end, and can make line filter 1 reduce height.
And, normal mode magnetic core 30 being inserted to the recess 15 of intermediate flange portion 14 and a magnetic pin 41 of common mode magnetic core 40 is inserted to volume core 12 with terminal bobbin 10 when interior, in the annulus 32 of normal mode magnetic core 30, one magnetic pin 41 of common mode magnetic core 40 is inserted and approaches non-contactly configuration, and at the magnetic pin opening 34 of normal mode magnetic core 30, with surround common mode magnetic core 40 other magnetic pin 42 mode non-contactly approach configuration (with reference to Fig. 4).
In the time so forming, form flowing of the magnetic flux that causes normal noise shown in Fig. 6, can remove normal noise.
In structure in the recess 15 that this normal mode magnetic core 30 is inserted to intermediate flange portion 14, normal mode magnetic core 30 moves and can not correctly locate to opening direction from recess 15 is interior, and owing to producing small position deviation, thereby normal characteristics declines to a great extent.Therefore, sometimes need the interior correct location of recess 15 in intermediate flange portion 14 by normal mode magnetic core 30.
Therefore, make the support portion 53 of the lid 50 arranging between common mode magnetic core 40 and L shaped terminal 18 abut to the front end 37 of the rake 36 of the magnetic foot plate surface 35 of the normal mode magnetic core 30 outstanding from the recess 15 of the intermediate flange portion 14 shown in Fig. 4, simultaneously, the holding section (engagement pawl 51) arranging is fastened on to the slot part 17B of the terminal board 16 with terminal bobbin 10 on lid 50, thereby normal mode magnetic core 30 also can be approached to configuration with common mode magnetic core 40 non-contactly in the interior correct location of recess 15 of intermediate flange portion 14.
The assemble method of this type of line filter 1 is described.The a pair of coil 11 of reeling on the volume core 12 with terminal bobbin 10, is wound up into coil end the other end 18B of L font terminal 18.And, one end 30A of normal mode magnetic core 30 is inserted to the recess 15 of intermediate flange portion 14 and make one end of normal mode magnetic core 30 in the face of the opening bottom surface 15A in this recess 15, and make to cover 50 the support portion 53 butts rear end 30B from the outstanding normal mode magnetic core 30 of the opening of the recess 15 of middle flange part 14, meanwhile, the engagement pawl 51 of lid 50 is fastened on to the slot part 17B of terminal board 16.
And, a magnetic pin 41 of two コ font common mode magnetic cores 40 is inserted in the volume core 12 with terminal bobbin 10, meanwhile, make magnetic foot face 43 face and be formed as square shape and the periphery of common mode magnetic core 40 support 60 is clamped.Have again, the notch 54 arranging through the central authorities in the support portion 53 of the lid 50 shown in Fig. 3 (d) and smear bonding agent 70 on lid 50 and the other end 30B of normal mode magnetic core 30 and other magnetic pin 42 of common mode magnetic core 40, or on the other end 30B of the normal mode magnetic core 30 shown in Fig. 3 (a) and other magnetic pin 42 of common mode magnetic core 40, smear bonding agent 70, also or at band terminal bobbin 10 and common mode magnetic core 40 upper surfaces smear bonding agent 70 fixing.
Like this, in the present invention, owing to arranging between common mode magnetic core 40 and L font terminal 18 and the lid 50 of the insulating properties of engaging on terminal bobbin 10, crimping with can with accumbency the magnetic-coupled mode of common mode magnetic core 40 that configures be configured in the normal mode magnetic core 30 in the recess 15 of intermediate flange portion 14, so can carry out the correct location of normal mode magnetic core 30, and can fully guarantee common mode magnetic core 40 and L font terminal 18 insulation distances.
In addition, normal mode magnetic core 30 is configured in the recess 15 of intermediate flange portion 14 sides with terminal bobbin 10, so this normal mode magnetic core 30 and horizontal common mode magnetic core 40 can be configured in to the below of flange part upper end and can make line filter 1 reduce height.
In addition, as mentioned above, can obtain following line filter 1, be that order line filter 1 reduces height, because the lid 50 of insulating properties arranges between common mode magnetic core 40 and L font terminal 18, so also can fully guarantee the insulation distance of common mode magnetic core 40 and L font terminal 18, and, on the terminal board 16 with terminal bobbin 10, 18A L font terminal 18 that outstanding and other end 18B extends from terminal board 16 sides downwards in one end is set, by coil end being rolled onto to the other end 18B of this L font terminal 18, and can further reduce the amount of height that is rolled onto the coil on the 18A of one end.
In addition, normal mode magnetic core 30 its one end 30A insert in the recess 15 of intermediate flange portions 14 and this one end 30A in the face of the opening bottom surface 15A in recess 15, and, from the outstanding other end 30B of the opening of the recess 15 of middle flange part 14 by covering 50 crimping, so can carry out the more accurate location of normal mode magnetic core 30.
In addition, lid 50 is the glyph shape for cardinal principle コ of overlooking that are made up of the support portion 53 of Liang Ge foot 52 and this foot 52 of supporting, be crimped on the other end 30B of the normal mode magnetic core 30 inserting in the recess 15 of intermediate flange portion 14, simultaneously, be fastened on the terminal board 16 with terminal bobbin 10 by the holding section arranging in foot 52, so there is above-mentioned effect, and easily carry out to the installation with terminal bobbin 10.
Have again, the width W 1 of lid 50 arranging between common mode magnetic core 40 and L font terminal 18 is substantially identical with the width W of the common mode magnetic core 40 that magnetic foot face 43 is faced 2, at the lid of L font terminal 18 upper surface configuration insulating properties, thereby can increase the insulation distance between the lower surface of common mode magnetic core 40 and the other end 18B of L font terminal, and can guarantee enough insulation.
Also have, on the opening bottom surface 15A of the recess 15 of intermediate flange portion 14, there is the splay inclined plane 15B of cardinal principle of 31 butts of two chamfered section that arrange on one end 30A of the normal mode magnetic core 30 of cardinal principle A font, so normal mode magnetic core 30 is stably positioned in recess 15 in the time normal mode magnetic core 30 being inserted in recess 15 and by lid 50 crimping.
Separately have, L font terminal 18 is pressed in the terminal insertion hole 17A of terminal board 16 upper surfaces, the insulation distance that produces space and this terminal 18 and common mode magnetic core 40 lower surfaces above this terminal 18 in terminal insertion hole 17A shortens, but, owing between this terminal 18 and common mode magnetic core 40 lower surfaces, the lid 50 of insulating properties being set, thereby can guarantee insulation distance.
The second execution mode
Fig. 7 is the exploded perspective view of the line filter 1 of second embodiment of the invention.In Fig. 7, be marked with same tag and omit repeat specification forming same section with the part of the first execution mode.
In the second execution mode, be with the first execution mode difference, although the support portion 53 crimping front end 37 on the inclined plane 36 of the magnetic foot plate surface 35 of the normal mode magnetic core 30 of A font substantially of lid 50 arranges tabular surface 44 on the magnetic foot plate surface 35 of 53 crimping in the support portion of this lid 50.
Like this, can there is above-mentioned effect, and tabular surface 44 crimping that lid 50 support portion 53 can face contact magnetic foot plate surface 35 and can carry out reliably the location of normal mode magnetic core 30.
Claims (3)
1. a line filter, is characterized in that, possesses:
Band terminal bobbin, comprising: the L font terminal of the two ends flange part that is wound with the volume core of a pair of coil, arranges at the two ends of above-mentioned volume core, the intermediate flange portion that above-mentioned coil is separated arranging in the central authorities of above-mentioned two ends flange part, the terminal board arranging below the flange part of above-mentioned two ends, the coil end of reeling on the outstanding other end in one end outstanding below above-mentioned terminal board with to above-mentioned terminal board side;
Horizontal common mode magnetic core, inserts a magnetic pin in above-mentioned volume core and by other magnetic pin and is configured in above-mentioned volume core periphery and forms closed magnetic circuit;
Normal mode magnetic core, with the closed magnetic circuit magnetic coupling of above-mentioned common mode magnetic core, and is inserted in the recess arranging in above-mentioned intermediate flange portion side; And
The lid of insulating properties, is arranged between above-mentioned common mode magnetic core and above-mentioned terminal,
Above-mentioned bobbin is made up of the one-body molded product of synthetic resin,
Above-mentioned common mode magnetic core is the ロ font that the magnetic foot face of two コ fonts is faced,
Above-mentioned normal mode magnetic core one end is connected in above-mentioned recess, and, from the other end outstanding in above-mentioned recess by above-mentioned lid crimping,
Above-mentioned lid is the コ glyph shape substantially of overlooking being made up of the support portion of Liang Ge foot and the above-mentioned foot of support, in the other end by the above-mentioned normal mode magnetic core of above-mentioned support portion crimping, is engaged in above-mentioned terminal board by the holding section arranging in above-mentioned foot.
2. line filter according to claim 1, is characterized in that:
Above-mentioned lid in above-mentioned support portion has notch,
On the other end of above-mentioned lid and above-mentioned normal mode magnetic core and other magnetic pin of above-mentioned common mode magnetic core, smear bonding agent through above-mentioned notch.
3. line filter according to claim 1 and 2, is characterized in that:
The tabular surface that the other end of the above-mentioned normal mode magnetic core of above-mentioned lid crimping arranges.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP240019/2009 | 2009-10-19 | ||
| JP2009240019A JP5385083B2 (en) | 2009-10-19 | 2009-10-19 | Line filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102044324A CN102044324A (en) | 2011-05-04 |
| CN102044324B true CN102044324B (en) | 2014-08-06 |
Family
ID=43910371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010279841.2A Expired - Fee Related CN102044324B (en) | 2009-10-19 | 2010-09-09 | Line filter |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5385083B2 (en) |
| KR (1) | KR101740612B1 (en) |
| CN (1) | CN102044324B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101381938B1 (en) * | 2013-04-26 | 2014-04-07 | 주식회사 오리엔트전자 | A method for fabricating line filters and a line filters thereby |
| KR101429499B1 (en) * | 2013-07-03 | 2014-08-13 | 주식회사 오리엔트전자 | A line filter and a method for fabricating the filter |
| WO2017222007A1 (en) | 2016-06-23 | 2017-12-28 | 株式会社トーキン | Compound line filter |
| JP6622748B2 (en) * | 2017-04-17 | 2019-12-18 | 矢崎総業株式会社 | Noise filter and noise reduction unit |
| JP7141848B2 (en) * | 2018-05-14 | 2022-09-26 | Ｎｊコンポーネント株式会社 | coil parts |
| KR102219671B1 (en) | 2019-05-17 | 2021-02-24 | (주) 트랜스온 | Sq type line filter and manufacturing method thereof |
| KR102127433B1 (en) | 2019-06-07 | 2020-06-26 | (주) 트랜스온 | Coil assembly for sq type line filter and manufacturing method thereof |
| KR102127430B1 (en) | 2019-06-07 | 2020-06-26 | (주) 트랜스온 | Coil assembly for sq type line filter |
| KR102473031B1 (en) | 2021-04-09 | 2022-12-02 | (주) 트랜스온 | Sq type line filter having improved electrical property |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1179375C (en) * | 1998-07-01 | 2004-12-08 | 松下电器产业株式会社 | Circuit electric filter |
| CN100541682C (en) * | 2003-03-05 | 2009-09-16 | 东京零件工业股份有限公司 | Line filter |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3436162B2 (en) * | 1998-12-25 | 2003-08-11 | 松下電器産業株式会社 | Line filter |
| JP2002057047A (en) * | 2000-08-08 | 2002-02-22 | Minebea Co Ltd | Common mode choke coil |
| JP4453444B2 (en) * | 2004-05-28 | 2010-04-21 | 株式会社村田製作所 | Common mode choke coil |
| JP2009111048A (en) * | 2007-10-29 | 2009-05-21 | Shindengen Electric Mfg Co Ltd | Coil component and manufacturing method thereof |
-
2009
- 2009-10-19 JP JP2009240019A patent/JP5385083B2/en not_active Expired - Fee Related
-
2010
- 2010-09-09 CN CN201010279841.2A patent/CN102044324B/en not_active Expired - Fee Related
- 2010-09-10 KR KR1020100088852A patent/KR101740612B1/en active IP Right Grant
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1179375C (en) * | 1998-07-01 | 2004-12-08 | 松下电器产业株式会社 | Circuit electric filter |
| CN100541682C (en) * | 2003-03-05 | 2009-09-16 | 东京零件工业股份有限公司 | Line filter |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5385083B2 (en) | 2014-01-08 |
| KR20110043436A (en) | 2011-04-27 |
| KR101740612B1 (en) | 2017-05-26 |
| JP2011086842A (en) | 2011-04-28 |
| CN102044324A (en) | 2011-05-04 |
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