JP2552820Y2 - Board type noise filter - Google Patents
Board type noise filterInfo
- Publication number
- JP2552820Y2 JP2552820Y2 JP1991062043U JP6204391U JP2552820Y2 JP 2552820 Y2 JP2552820 Y2 JP 2552820Y2 JP 1991062043 U JP1991062043 U JP 1991062043U JP 6204391 U JP6204391 U JP 6204391U JP 2552820 Y2 JP2552820 Y2 JP 2552820Y2
- Authority
- JP
- Japan
- Prior art keywords
- noise filter
- insulating
- type noise
- partition
- substrate
- 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
Landscapes
- Coils Or Transformers For Communication (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Filters And Equalizers (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、空調装置などの家電機
器、及び電子装置に組み込む電磁ノイズを抑制するため
の基板型ノイズフィルタの構造に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a substrate type noise filter for suppressing electromagnetic noise incorporated in home electric appliances such as air conditioners and electronic devices.
【０００２】[0002]
【従来の技術】従来、空調装置などの家電機器及び電子
装置には、電流容量の大きい筒型ノイズフィルタが組み
込まれていた。筒型ノイズフィルタは、底面に機器のシ
ャシーに取り付けるねじを一体に設けた有底金属円筒
に、回路素子をフィルタ回路に組み立てて収納し、外部
接続用板端子を挿着した蓋板で塞いだ構造であり、設置
所要面積が小さいものである。筒型ノイズフィルタに比
べて安価なノイズフィルタとするためには、配線基板に
外部接続用板端子および回路素子を装着した基板型ノイ
ズフィルタとする必要がある。2. Description of the Related Art Conventionally, home electric appliances such as air conditioners and electronic devices have incorporated a cylindrical noise filter having a large current capacity. The cylindrical noise filter is housed by assembling circuit elements into a filter circuit in a bottomed metal cylinder integrally provided with screws to be attached to the chassis of the device on the bottom surface, and closed with a lid plate with a plate terminal for external connection inserted The structure is small, and the required installation area is small. In order to make the noise filter inexpensive as compared with the cylindrical noise filter, it is necessary to use a board-type noise filter in which an external connection plate terminal and a circuit element are mounted on a wiring board.
【０００３】[0003]
【考案が解決しようとする課題】従来の基板型ノイズフ
ィルタは、配線基板上に実装する面積が大きくなるの
で、筒型ノイズフィルタの代わりにそのままでは電子装
置に組み込むことが出来なかった。本考案の目的は、筒
型ノイズフィルタに代わり配線基板面積を大幅に削減
し、かつ筒型ノイズフィルタに比べ安価に製造できる基
板型ノイズフィルタを提供することにある。The conventional board-type noise filter has a large area to be mounted on a wiring board, and thus cannot be directly incorporated into an electronic device instead of a cylindrical noise filter. An object of the present invention is to provide a board-type noise filter that can significantly reduce the area of a wiring board instead of a cylinder-type noise filter and that can be manufactured at a lower cost than a cylinder-type noise filter.
【０００４】[0004]
【課題を解決するための手段】配線基板に外部接続用板
端子と、コモンモードチョークコイル（以下コイルと称
す）を除くフィルタ回路素子とを直に装着し、コイルは
四隅に脚のある絶縁台を介して基板に装着した構造とす
る。A plate terminal for external connection and a filter circuit element excluding a common mode choke coil (hereinafter referred to as a coil) are directly mounted on a wiring board, and the coil is an insulating base having legs at four corners. And is attached to the substrate via
【０００５】即ち本考案は、配線基板上の周辺部に、外
部接続用板端子を有し、前記配線基板上の中央部に、フ
ィルタ回路素子を装着するとともに、矩形の台板の四隅
に、前記フィルタ回路素子を覆うことができる長さの脚
を設けた絶縁台を装着し、該絶縁台上に、中央仕切板
と、該中央仕切板と連結し、外周面まで延びた仕切台と
を有する絶縁ケースにコアを収納し、２個の巻線を施し
たコモンモードチョークコイルを配置した基板型ノイズ
フィルタであって、前記外部接続用板端子の複数個を絶
縁端子台に貫設して装着し、かつ前記台板の短辺の対向
する縁部に、前記仕切台を嵌め込める一対の突片と、前
記台板の中央部に、前記中央仕切板を挟むことができる
一対の突片とを設けるとともに、前記脚に縦溝を設け、
該縦溝に前記巻線の端部を通したことを特徴とする基板
型ノイズフィルタである。That is, according to the present invention, an external connection plate terminal is provided in a peripheral portion on a wiring board, a filter circuit element is mounted in a central portion on the wiring board, and four corners of a rectangular base plate are provided. Attach an insulating base provided with legs long enough to cover the filter circuit element, on the insulating base, a central partition, and a partition connected to the central partition and extending to the outer peripheral surface. A substrate-type noise filter in which a core is housed in an insulating case having a common mode choke coil provided with two windings, wherein a plurality of the external connection plate terminals are provided through an insulation terminal block. A pair of protruding pieces that can be fitted and fitted with the partition table at opposite edges of the short side of the base plate, and a pair of protruding pieces that can sandwich the central partition plate at the center of the base plate And a vertical groove in the leg,
A substrate-type noise filter, wherein an end of the winding is passed through the vertical groove.
【０００６】[0006]
【作用】絶縁台は、基板に装着した他の回路素子の上方
にコイルを絶縁台に取り付けて二層配置で支持する。In the insulating table, a coil is mounted on the insulating table above another circuit element mounted on the substrate and supported in a two-layer arrangement.
【０００７】[0007]
【実施例】本考案の実施例を図面を参照し説明する。図
１は本考案による基板型ノイズフィルタの外観図であ
る。配線基板（以下基板と称す）１は、底面にフィルタ
回路を構成するように配線導体（図示せず）を設けてあ
り、回路素子のリード線用貫通孔２（一部を図示）と、
ハトメを用いたスルーホール（図示せず）とを形成した
矩形のものである。基板１の短辺縁に沿って３個と２個
の外部接続用板端子３を挿着した２個の絶縁端子台４を
装着する。外部接続用板端子３の下端は細長い一本脚で
あり、絶縁端子台４の底面から突出されて基板側に設け
たスルーホールに挿通される。基板１の中央部にライン
間コンデンサ５、ライン、アース間コンデンサ６、サー
ジアブソーバ７など小型の回路素子のすべてを装着す
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is an external view of a substrate type noise filter according to the present invention. The wiring substrate (hereinafter, referred to as a substrate) 1 is provided with a wiring conductor (not shown) so as to form a filter circuit on the bottom surface, and a through hole 2 (partially shown) for a lead wire of a circuit element;
It is a rectangular one having a through hole (not shown) using eyelets. Two insulating terminal blocks 4 having three and two external connection plate terminals 3 inserted along the short side edge of the substrate 1 are mounted. The lower end of the external connection plate terminal 3 is an elongated single leg, which protrudes from the bottom surface of the insulating terminal block 4 and is inserted into a through hole provided on the substrate side. All the small circuit elements such as the line-to-line capacitor 5, the line-to-ground capacitor 6, and the surge absorber 7 are mounted in the center of the substrate 1.
【０００８】大型のトロイダル型のコイル８は、四隅に
コンデンサ５、コンデンサ６の高さより長い角形の脚１
０のある絶縁台９に載せて基板１に装着する。コイル８
は、中央仕切板１１、および仕切台１２をもつコア絶縁
ケースにコアを収納し、２個の巻線１３を施したもので
あり、例えば外径４０ｍｍ、高さ２５ｍｍである。A large toroidal coil 8 has square legs 1 longer than the heights of capacitors 5 and 6 at four corners.
It is mounted on the substrate 1 while being placed on an insulating table 9 having zero. Coil 8
The core is housed in a core insulating case having a center partition plate 11 and a partition table 12 and is provided with two windings 13, and has, for example, an outer diameter of 40 mm and a height of 25 mm.
【０００９】絶縁台９は、図２に外観斜視図を示すよう
に、矩形の台板の四隅に脚１０を設け、台板の中央部に
コイル８の中央仕切板１１を台板の長辺方向と平行にし
て遊嵌できる一対の突片１４を設け、台板の短辺線の中
央部に突片１５を設け、脚１０の台板の長辺側の外側面
に巻線の端部を通す縦溝１６を形成したものである。台
板の長辺長さがコイル８の外径より若干大きく、コイル
８の仕切台１２の外側面に対応する突片１５を設ける場
合を示したが、台板は対角線長さがコイル８の外径より
大きくて縦溝１６がコイル８の外周面の外方にあるよう
に形成できる寸法であればよい。As shown in an external perspective view of FIG. 2, the insulating base 9 is provided with legs 10 at four corners of a rectangular base plate, and a central partition plate 11 of the coil 8 is provided at the center of the base plate at the long side of the base plate. A pair of projecting pieces 14 that can be loosely fitted in parallel with the direction are provided, a projecting piece 15 is provided at the center of the short side line of the base plate, and the end of the winding is provided on the outer surface of the leg 10 on the long side of the base plate A vertical groove 16 through which the air flows is formed. The case where the long side length of the base plate is slightly larger than the outer diameter of the coil 8 and the protruding piece 15 corresponding to the outer surface of the partition 12 of the coil 8 is provided is shown. Any size is acceptable as long as it is larger than the outer diameter and can be formed so that the vertical groove 16 is located outside the outer peripheral surface of the coil 8.
【００１０】コイル８の中央仕切板１１を突片１４の間
隙に嵌め込み、図１に示したように、突片１５を仕切台
１２の外側面に対向させてコイル８を絶縁台９に載せ、
巻線１３の端部を縦溝１６に通して脚１０の下端面から
突出させる。基板１には縦溝１６の配列に対応するスル
ーホール（図示せず）がある。このスルーホールに巻線
１３の端部を挿通してコイル８および絶縁台９を基板に
装着する。基板１の底面で一斉に半田付けして基板型ノ
イズフィルタが完成する。[0010] The central partition plate 11 of the coil 8 is fitted into the gap between the projecting pieces 14, and as shown in FIG. 1, the projecting piece 15 is opposed to the outer surface of the partitioning table 12, and the coil 8 is placed on the insulating table 9.
The end of the winding 13 passes through the vertical groove 16 and protrudes from the lower end surface of the leg 10. The substrate 1 has through holes (not shown) corresponding to the arrangement of the vertical grooves 16. The coil 8 and the insulating base 9 are mounted on the board by inserting the end of the winding 13 into the through hole. The board-type noise filter is completed by soldering all together at the bottom of the board 1.
【００１１】[0011]
【考案の効果】本考案に係る基板型ノイズフィルタは、
コイルを除く小形の回路素子を配線基板に直に装着し、
大形のコイルを、これら回路素子の上方に二層に配置し
た絶縁台で支持する構成であるから配線基板面積を縮小
でき、従来の高価な筒形ノイズフィルタに替えて小形な
しかも安価なノイズフィルタとすることが出来る。[Effect of the Invention] The substrate type noise filter according to the present invention is:
Attach small circuit elements, excluding coils, directly to the wiring board,
The large-sized coil is supported by two insulating layers placed above these circuit elements, so the area of the wiring board can be reduced, and small and inexpensive noise can be substituted for the conventional expensive cylindrical noise filter. It can be a filter.
【図１】本考案による基板型ノイズフィルタの一実施例
を示す外観斜視図。FIG. 1 is an external perspective view showing an embodiment of a substrate-type noise filter according to the present invention.
【図２】本考案の基板型ノイズフィルタに用いるコアを
装着する絶縁台の一例を示す外観斜視図。FIG. 2 is an external perspective view showing an example of an insulating table on which a core used in the substrate type noise filter of the present invention is mounted.
１ （配線）基板 ２ リード線用貫通孔 ３ 外部接続用板端子 ４ 絶縁端子台 ５ （ライン間）コンデンサ ６ （ライン、アース間）コンデンサ ７ サージアブソーバ ８ （コモンモードチョーク）コイル ９ 絶縁台 １０ 脚 １１ 中央仕切板 １２ 仕切台 １３ 巻線 １４，１５ 突片 １６ 縦溝 DESCRIPTION OF SYMBOLS 1 (Wiring) board 2 Lead wire through-hole 3 External connection board terminal 4 Insulated terminal block 5 (Between lines) Capacitor 6 (Between line and ground) Capacitor 7 Surge absorber 8 (Common mode choke) coil 9 Insulation stand 10 Legs DESCRIPTION OF SYMBOLS 11 Center partition plate 12 Partition stand 13 Winding 14,15 Projection piece 16 Vertical groove
Claims (1)
子を有し、前記配線基板上の中央部に、フィルタ回路素
子を装着するとともに、矩形の台板の四隅に、前記フィ
ルタ回路素子を覆うことができる長さの脚を設けた絶縁
台を装着し、該絶縁台上に、中央仕切板と、該中央仕切
板と連結し、外周面まで延びた仕切台とを有する絶縁ケ
ースにコアを収納し、２個の巻線を施したコモンモード
チョークコイルを配置した基板型ノイズフィルタであっ
て、前記外部接続用板端子の複数個を絶縁端子台に貫設
して装着し、かつ前記台板の短辺の対向する縁部に、前
記仕切台を嵌め込める一対の突片と、前記台板の中央部
に、前記中央仕切板を挟むことができる一対の突片とを
設けるとともに、前記脚に縦溝を設け、該縦溝に前記巻
線の端部を通したことを特徴とする基板型ノイズフィル
タ。An external connection plate terminal is provided in a peripheral portion on a wiring board, a filter circuit element is mounted in a central portion on the wiring board, and the filter circuit element is provided in four corners of a rectangular base plate. An insulating case equipped with an insulating base provided with legs long enough to cover the element, and having a central partition on the insulating base and a partition connected to the central partition and extending to the outer peripheral surface. A substrate-type noise filter in which a common mode choke coil provided with two windings is disposed, wherein a plurality of the external connection plate terminals are inserted through an insulating terminal block and mounted, In addition, a pair of projecting pieces into which the partition table can be fitted and a pair of projecting pieces that can sandwich the central partition plate are provided at the center of the base plate at opposite edges of the short side of the base plate. At the same time, a vertical groove is provided in the leg, and the end of the winding is passed through the vertical groove. And a substrate type noise filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991062043U JP2552820Y2 (en) | 1991-07-10 | 1991-07-10 | Board type noise filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991062043U JP2552820Y2 (en) | 1991-07-10 | 1991-07-10 | Board type noise filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH056820U JPH056820U (en) | 1993-01-29 |
| JP2552820Y2 true JP2552820Y2 (en) | 1997-10-29 |
Family
ID=13188745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991062043U Expired - Fee Related JP2552820Y2 (en) | 1991-07-10 | 1991-07-10 | Board type noise filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2552820Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10491180B2 (en) | 2015-05-14 | 2019-11-26 | Mitsubishi Electric Corporation | Board-type noise filter and electronic device |
| KR101857265B1 (en) * | 2016-06-10 | 2018-05-11 | 주식회사 모다이노칩 | Complex electronic component |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5934116Y2 (en) * | 1979-12-29 | 1984-09-21 | ミツミ電機株式会社 | coil device |
| JP3034316U (en) * | 1996-08-02 | 1997-02-18 | 株式会社コスモテック | Transfer sticker |
-
1991
- 1991-07-10 JP JP1991062043U patent/JP2552820Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH056820U (en) | 1993-01-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7446637B1 (en) | Parent-child leadframe type transformer | |
| US20070126542A1 (en) | Transformer | |
| JP2012023311A (en) | Insulation case and coil holder for noise filter, and noise filter | |
| JP2552820Y2 (en) | Board type noise filter | |
| JP3476229B2 (en) | Box noise filter for large current | |
| JP2552821Y2 (en) | Board type noise filter | |
| JP3672792B2 (en) | Line filter | |
| JP3329597B2 (en) | Inductance device | |
| JP2000091143A (en) | Noise filter | |
| JPH0513013U (en) | Mounting drum core | |
| JP2575302Y2 (en) | Board type noise filter | |
| JP3461126B2 (en) | Circuit block for switching power supply | |
| JP3409341B2 (en) | coil | |
| JP2547907Y2 (en) | Choke coil device for large current | |
| JPH0715269A (en) | Noise filter | |
| JPH04116118U (en) | Planar coil device | |
| JP2002057541A (en) | Line filter | |
| CN219123084U (en) | Integrated transformer and power supply device | |
| CN216818016U (en) | Fixed mounting structure of bulky annular inductance | |
| JPH0747848Y2 (en) | Composite parts | |
| CN210429462U (en) | Chip common mode inductor | |
| JP2575958Y2 (en) | Mounting structure of surface mount type transformer | |
| JP6994425B2 (en) | Noise filter | |
| JP2554453Y2 (en) | Converter transformer | |
| JPH0445287Y2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |