JP2551775Y2 - Noise filter - Google Patents
Noise filterInfo
- Publication number
- JP2551775Y2 JP2551775Y2 JP3880191U JP3880191U JP2551775Y2 JP 2551775 Y2 JP2551775 Y2 JP 2551775Y2 JP 3880191 U JP3880191 U JP 3880191U JP 3880191 U JP3880191 U JP 3880191U JP 2551775 Y2 JP2551775 Y2 JP 2551775Y2
- Authority
- JP
- Japan
- Prior art keywords
- base
- mounting plate
- plate
- piece
- ground
- 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)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Filters And Equalizers (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、コイルやコンデンサ等
の電子部品からなるノイズフィルタに係り、特に電子部
品に結合するアース端子の構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a noise filter comprising electronic components such as a coil and a capacitor, and more particularly to a structure of a ground terminal coupled to the electronic components.
【０００２】[0002]
【従来の技術】従来のノイズフィルタは、樹脂製ベース
にコイル、コンデンサまたはバリスタその他の電子部品
を入れ、電子部品のグランドへの接続は、樹脂製ベース
に固定したアース端子にリード線を介して接続する構造
を有し、前記アース端子をノイズフィルタを搭載する機
器に接続する構造を有していた。2. Description of the Related Art In a conventional noise filter, a coil, a capacitor, a varistor and other electronic parts are placed in a resin base, and the electronic parts are connected to the ground via a lead wire to a ground terminal fixed to the resin base. And a structure for connecting the ground terminal to a device equipped with a noise filter.
【０００３】[0003]
【考案が解決しようとする課題】この従来のノイズフィ
ルタは、樹脂製ベースにアース端子を取付けなければな
らず、また、アース端子を搭載対象機器にリード線を介
して接続する必要があり、組立てに手間がかかるという
問題点があった。また、樹脂製ケースに電子部品を搭載
するため、電子部品に発生する熱の放熱性能の面で不充
分であるという問題点があった。In this conventional noise filter, a ground terminal must be attached to a resin base, and the ground terminal needs to be connected to a device to be mounted via a lead wire. There is a problem that it takes time. In addition, since the electronic component is mounted on the resin case, there is a problem that heat radiation performance of the electronic component is insufficient.
【０００４】本考案は、上記問題点に鑑み、組立てが容
易となり、放熱の面でも満足できる性能が得られる構造
のノイズフィルタを提供することを目的とする。SUMMARY OF THE INVENTION In view of the above problems, an object of the present invention is to provide a noise filter having a structure that can be easily assembled and has satisfactory performance in terms of heat radiation.
【０００５】[0005]
【課題を解決するための手段】本考案のノイズフィルタ
は、ノイズフィルタを構成する電子部品を搭載する樹脂
製ベースと、該ベースに組合わされる金属製アース板を
兼ねかつ機器への取付け片を有すると共に、打抜きおよ
び折り曲げ加工により製作されたアース取付け板とから
なり、前記ベースの底板部に、内部開口でひだ状をなす
***部を形成し、前記底板部の***部の外側に位置する
個所にアース片挿通用穴または溝を形成し、前記ベース
の側面部に複数個の突起（または凹部）を形成し、 一
方、前記取付け板の板面に突条部を形成し、該取付け板
の側縁に、該取付け板の板面に対して垂直に複数個の結
合片を形成し、各結合片に係止用穴（または突起）を設
け、該取付け板の端部に、該取付け板の板面に対して垂
直に切起こしによりアース片を形成し、前記***部下面
のひだ状凹部に前記取付け板の突条部を嵌合し、前記ベ
ースの***部内にコイルを入れ、前記***部内開口部に
コイルと取付け板とを絶縁する絶縁板を介在させると共
に注型樹脂を充填し、前記ベースの底板部のアース片挿
通穴に前記取付け板のアース片を挿通して該アース片を
ベース内の電子部品に接続し、前記ベースの側面部を前
記取付け板の複数本の結合片で挟持し、かつベース側面
の突起（または凹部）に前記結合片の係止用穴（または
突起を係止させて取付け板をベースに結合したことを特
徴とする。The noise filter of the present invention comprises a resin base on which electronic components constituting the noise filter are mounted, and a metal ground plate combined with the base, and a mounting piece for equipment. And a ground mounting plate manufactured by punching and bending, wherein a ridge-shaped ridge is formed in the bottom plate of the base with an internal opening, and a portion located outside the ridge of the bottom plate. A hole or a groove for inserting a ground piece is formed in the base plate, a plurality of protrusions (or recesses) are formed on a side surface of the base, and a ridge is formed on a plate surface of the mounting plate. A plurality of connecting pieces are formed on the side edge perpendicular to the plate surface of the mounting plate, and locking holes (or projections) are provided in each of the connecting pieces, and the mounting plate is provided at an end of the mounting plate. Perpendicular to the board surface A ground piece is formed, a ridge of the mounting plate is fitted into a fold-shaped recess on the lower surface of the ridge, a coil is inserted into the ridge of the base, and the coil and the mounting plate are insulated at the opening in the ridge. An insulating plate to be interposed and filled with casting resin, the grounding piece of the mounting plate is inserted into the grounding piece insertion hole of the bottom plate portion of the base, and the grounding piece is connected to an electronic component in the base. Of the mounting plate is held between the plurality of connecting pieces of the mounting plate, and the mounting plate is connected to the base by locking the locking holes (or projections) of the connecting piece to the protrusions (or recesses) on the side surface of the base. It is characterized by the following.
【０００６】[0006]
【作用】本考案のノイズフィルタは、上述の構造を有す
るので、取付け片を搭載機器に取付けるだけで電子部品
がアース片およびこれと一体の取付け板を介してグラン
ドに接続される。また、アース片は取付け板の端部すな
わちリング状の突条部の外に形成され、該アース片を挿
入するベース側の穴は注型樹脂溜めとなる取付け板の突
条部の外に設けられているので、流動状態でコイルと取
付け板との間に注入される注型樹脂がアース片の部分で
漏れることはない。Since the noise filter of the present invention has the above-described structure, the electronic component is connected to the ground via the earthing piece and the mounting plate integrated with the earthing piece only by attaching the mounting piece to the mounted equipment. The ground piece is formed at the end of the mounting plate, that is, outside the ring-shaped ridge, and the hole on the base side for inserting the ground piece is provided outside the ridge of the mounting plate serving as a casting resin reservoir. As a result, the casting resin injected between the coil and the mounting plate in a flowing state does not leak at the ground piece.
【０００７】[0007]
【実施例】以下本考案の一実施例を図面により説明す
る。図１（Ａ）は本考案の一実施例を示す斜視図、同
（Ｂ）は本実施例のノイズフィルタの回路図、図２は本
実施例の分解斜視図、図３（Ａ）は本実施例の縦断面
図、同（Ｂ）はその概略平面図である。図２の回路図に
示すように、本実施例のノイズフィルタ１は、電子レン
ジのような電気機器において、電源端子２と電気機器回
路３との間に組み込まれ、電気機器回路３からの雑音が
電源ラインを通して外部に漏れることを防止する（外部
からの雑音の浸入を防止すること、あるいは双方の雑音
の出入防止を目的とすることもある）もので、コイル４
と、コンデンサ５と、グランドと電源ラインとの間に設
けられる一対のコンデンサ６とからなり、コンデンサ６
の代わりにバリスタまたはこれらを組み合わせたものを
用いることもある。７はこれらの電子部品を搭載する樹
脂製ベース、８はアース取付け板である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. 1A is a perspective view showing an embodiment of the present invention, FIG. 1B is a circuit diagram of a noise filter of the embodiment, FIG. 2 is an exploded perspective view of the embodiment, and FIG. FIG. 1B is a longitudinal sectional view of the embodiment, and FIG. 1B is a schematic plan view thereof. As shown in the circuit diagram of FIG. 2, the noise filter 1 of this embodiment is installed between a power supply terminal 2 and an electric equipment circuit 3 in an electric equipment such as a microwave oven, Is prevented from leaking to the outside through the power supply line (to prevent intrusion of external noise or to prevent both noises from entering and exiting).
, A capacitor 5, and a pair of capacitors 6 provided between the ground and the power supply line.
Alternatively, a varistor or a combination thereof may be used. Reference numeral 7 denotes a resin base on which these electronic components are mounted, and reference numeral 8 denotes a ground mounting plate.
【０００８】ベース７は、図２および図３（Ａ）に示す
ように、底板部７ａに、前記コイル４を収容するリング
状をなすと共にひだ状をなす***部７ｂを形成し、***
部７ｂの内部に開口部７ｃを形成する。また、底板部７
ａの***部７ｂの外側に位置する個所にアース片挿通用
穴７ｄ（溝でも良い）を形成し、前記ベースの両側面部
に複数個（本実施例は２個ずつ）の突起７ｅを形成し、
***部７ｂを包囲するように、端子９の取付け穴７ｆを
設ける。As shown in FIGS. 2 and 3A, the base 7 has a ring-shaped and pleated ridge 7b for accommodating the coil 4 on the bottom plate 7a. The opening 7c is formed in the inside of the. Also, the bottom plate 7
A grounding piece insertion hole 7d (may be a groove) is formed at a position located outside the raised portion 7b, and a plurality of (two in this embodiment) projections 7e are formed on both side surfaces of the base. ,
A mounting hole 7f for the terminal 9 is provided so as to surround the raised portion 7b.
【０００９】一方、取付け板８は、鉄板等の金属板を打
抜き、折り曲げて製作するもので、アース板を兼ねてお
り、図２および図３（Ａ）に示すように、その板面にリ
ング状の突条部８ａを形成し、該取付け板８の側縁に、
該取付け板８の板面に対して垂直に複数個（本実施例に
おいては左右各２枚）の結合片８ｂを形成し、各結合片
８ｂに係止用穴８ｃを設け、該取付け板８の端部に、該
取付け板８の板面に対して垂直に、図２の矢印ａに示す
ように切起こしによりアース片８ｄを形成する。また、
前記各結合片８ｂを形成した左右の縁に、電子レンジの
グランドとなるケースや基板にねじ等により固定する取
付け片８ｅを形成する。On the other hand, the mounting plate 8 is formed by stamping and bending a metal plate such as an iron plate, and also serves as an earth plate. As shown in FIG. 2 and FIG. A ridge portion 8a is formed, and on the side edge of the mounting plate 8,
A plurality of (two in each case, left and right in this embodiment) connecting pieces 8b are formed perpendicular to the plate surface of the mounting plate 8, and locking holes 8c are provided in each of the connecting pieces 8b. A ground piece 8d is formed by cutting and raising the end of the mounting plate 8 perpendicularly to the surface of the mounting plate 8 as shown by an arrow a in FIG. Also,
At the left and right edges where the coupling pieces 8b are formed, mounting pieces 8e for fixing to a case or a substrate serving as a ground of a microwave oven with screws or the like are formed.
【００１０】そして、図３（Ａ）に示すように、ベース
７の***部７ｂの下面のひだ状凹部７ｇに前記取付け板
８の突条部８ａを嵌合し、底板部７ａのアース片挿通用
穴７ｄに取付け板８のアース片８ｄを挿通し、図１に示
すようにベース７の側面部を取付け板８の複数本の結合
片８ｂで挟持し、ベース側面の突起７ｅに前記結合片８
ｂの係止用穴８ｃを係止させて取付け板８をベース７に
結合する。Then, as shown in FIG. 3 (A), the ridge 8a of the mounting plate 8 is fitted into a fold-shaped recess 7g on the lower surface of the raised portion 7b of the base 7, and a ground piece is inserted into the bottom plate 7a. The earthing piece 8d of the mounting plate 8 is inserted into the through hole 7d, and the side surface of the base 7 is sandwiched by a plurality of connecting pieces 8b of the mounting plate 8, as shown in FIG. 8
The mounting plate 8 is connected to the base 7 by locking the locking hole 8c of b.
【００１１】また、図３（Ａ）に示すように、前記ベー
ス７の開口部７ｃ内に開口部７ｃよりやや小さな絶縁板
１０を入れ、伝熱性の良好な注型樹脂１１を注入し、コ
イル４を***部７ｂ内に入れ、コイル４と取付け板８と
の間を注型樹脂１１で充填し、かつコイル４をベース７
に固定する。ここで、取付け板８に突条部８ａを形成し
ているので、流動性のある注型樹脂１１を注入した際、
取付け板８から注型樹脂１１が流出するおそれはない。As shown in FIG. 3A, an insulating plate 10 slightly smaller than the opening 7c is inserted into the opening 7c of the base 7, and a casting resin 11 having good heat conductivity is injected. 4 is inserted into the raised portion 7b, the space between the coil 4 and the mounting plate 8 is filled with the casting resin 11, and the coil 4 is
Fixed to Here, since the ridge portion 8a is formed on the mounting plate 8, when the casting resin 11 having fluidity is injected,
There is no possibility that the casting resin 11 flows out of the mounting plate 8.
【００１２】また、底板部７ａ上にコンデンサ５、６を
搭載し、図１（Ｂ）の回路を構成するように、コイル４
の４個のコイル端末４ａをそれぞれ端子９に接続して半
田付け（図示せず）すると共に、コンデンサ５の両端の
リード線５ａを２本の端子９に接続し、さらに２個のコ
ンデンサ６の一端のリード線６ａも左右の端子９に接続
し、各コンデンサ６の他端のリード線６ａはアース片８
ｄに接続し、それぞれ半田付けする。Also, capacitors 5 and 6 are mounted on the bottom plate portion 7a, and the coils 4 and 6 are arranged so as to constitute the circuit shown in FIG.
Are connected to the terminals 9 and soldered (not shown), the lead wires 5a at both ends of the capacitor 5 are connected to the two terminals 9, and The lead wire 6a at one end is also connected to the left and right terminals 9, and the lead wire 6a at the other end of each capacitor 6 is
d and soldered.
【００１３】ところで、図３（Ｃ）に示すように、図３
（Ｂ）の場合と反対側にクロスザラインコンデンサ５を
設ける場合がある。すなわち、ノイズフィルタを搭載す
る機種により、該コンデンサ５をコンデンサ６と同じ側
に搭載するか反対側に搭載するかによって回路特性が変
化するため、機種に搭載した状態でクロスザラインコン
デンサ５をどちら側に設けるかを決定する。この場合、
本実施例においては、前記ベース７が長方形をなし、か
つ前記コイル４と他の電子部品とが該ベースの長辺方向
に配列される構造を有し、前記ベース７の長辺を形成す
る側面に、前記取付け板結合用の複数個の突起７ｅを形
成し、前記結合片８ｂを取付け板８の両側部に形成する
と共に、該両側部に機器への取付け片８ｅを形成したの
で、図３（Ｂ）の配置ならびに図３（Ｃ）の配置に取付
け板８を共用でき、また、幅Ｗが大きくならず、全体で
占める面積を小さくできる。また、アース片挿通用穴７
ｄが底板部７ａ内に設けられているので、取付け板８の
長さＬをベース７の長さより小とすることができ、取付
け板８の材料の節約が可能である。By the way, as shown in FIG.
In some cases, a cross-the-line capacitor 5 is provided on the side opposite to the case of (B). That is, depending on the model on which the noise filter is mounted, the circuit characteristics change depending on whether the capacitor 5 is mounted on the same side as the capacitor 6 or on the opposite side. On the side. in this case,
In this embodiment, the base 7 has a rectangular shape, and the coil 4 and other electronic components have a structure arranged in the long side direction of the base. Since a plurality of protrusions 7e for connecting the mounting plate are formed, the connecting pieces 8b are formed on both sides of the mounting plate 8, and the mounting pieces 8e for the equipment are formed on both sides. The mounting plate 8 can be commonly used for the arrangement shown in FIG. 3B and the arrangement shown in FIG. 3C, and the area occupied by the whole can be reduced without increasing the width W. Also, the earth piece insertion hole 7
Since d is provided in the bottom plate portion 7a, the length L of the mounting plate 8 can be made smaller than the length of the base 7, and the material of the mounting plate 8 can be saved.
【００１４】図４（Ａ）はアース片８ｇの他の例を示す
もので、アース片８ｇを取付け板８の側縁から矢印ａの
ように切り起こすことにより形成したもので、本例によ
れば、前記実施例に比較し、材料費をさらに節約でき
る。図４（Ｂ）はアース片８ｇの他の例であり、図４
（Ａ）のアース片８ｇを捻ることにより、リード線４ａ
を挟む切欠き部ｂを電子部品配列方向に向けることによ
り、半田付けを容易にしたものである。すなわち、半田
付けを行なう場合のコテの挿入は、端子９の関係上、電
子部品配列方向に行なう方がこれに直角をなす方向より
容易である。FIG. 4A shows another example of the grounding piece 8g, which is formed by cutting and raising the grounding piece 8g from the side edge of the mounting plate 8 as indicated by an arrow a. If this is the case, material costs can be further reduced as compared with the above embodiment. FIG. 4B shows another example of the ground piece 8g.
By twisting the ground piece 8g of (A), the lead wire 4a
The soldering is facilitated by orienting the notch portion b sandwiching the in the electronic component arrangement direction. That is, due to the terminal 9, the insertion of the iron when soldering is easier in the direction in which the electronic components are arranged than in the direction perpendicular to the direction in which the electronic components are arranged.
【００１５】なお、上記実施例における突起７ｅの代わ
りに穴状あるいは段状の凹部を設けると共に、結合片８
ｂには柱状あるいは鈎状等をなす突起を設けてて両者を
係合させるようにしても良い。A hole or a stepped recess is provided instead of the projection 7e in the above embodiment, and
It is also possible to provide a projection in the shape of a column or a hook on b, so that both are engaged.
【００１６】[0016]
【考案の効果】請求項１によれば、樹脂製ベースに対し
て取付け板が容易に組合わされ、取付け板を電気機器に
取付けることによって電子部品をグランドに接続できる
ので、ベースにアース端子を取付ける必要がなくなり、
その結果、組立てが容易となり、また、金属製取付け板
が注型樹脂を介してコイルに接合されるため、放熱性の
面でも満足できるものが得られる。According to the first aspect of the present invention, the mounting plate is easily combined with the resin base, and the electronic component can be connected to the ground by mounting the mounting plate to the electric device. Therefore, the ground terminal is mounted on the base. No longer needed
As a result, assembling becomes easy, and since the metal mounting plate is joined to the coil via the casting resin, a satisfactory heat dissipation can be obtained.
【００１７】請求項２によれば、ベースに搭載する電子
部品の配置が変化し、ベース形状が変化しても、ベース
に対して取付け板を相対的にずらすことにより、異なる
ベースに対して共通の取付け板を用いることができるの
で、製造設備が簡略となり、また、全体の占有面積を小
さくすることができる。According to the second aspect, even if the arrangement of the electronic components mounted on the base changes and the shape of the base changes, the mounting plate is displaced relative to the base, so that the common base can be used for different bases. Can be used, the manufacturing equipment can be simplified, and the total occupied area can be reduced.
【図１】（Ａ）は本考案の一実施例を示す斜視図、同
（Ｂ）は本実施例のノイズフィルタの回路図である。FIG. 1A is a perspective view showing an embodiment of the present invention, and FIG. 1B is a circuit diagram of a noise filter of the embodiment.
【図２】本実施例の分解斜視図である。FIG. 2 is an exploded perspective view of the present embodiment.
【図３】（Ａ）は本実施例の縦断面図、（Ｂ）はその概
略平面図、（Ｃ）は搭載電子部品の配置を変化させたも
のを示す概略平面図である。3A is a longitudinal sectional view of the present embodiment, FIG. 3B is a schematic plan view thereof, and FIG. 3C is a schematic plan view showing an arrangement of mounted electronic components changed.
【図４】（Ａ）、（Ｂ）はそれぞれ本考案のアース片の
他の例を示す取付け板の斜視図である。FIGS. 4A and 4B are perspective views of a mounting plate showing another example of the ground piece of the present invention.
１ ノイズフィルタ ２ 電源端子 ３ 電気機器回路 ４ コイル ５ コンデンサ ６ コンデンサ ７ ベース ７ａ 底板部 ７ｂ ***部 ７ｃ 開口部 ７ｄ アース片挿通用穴 ７ｅ 突起 ７ｆ 端子取付け穴 ７ｇ 凹部 ８ 取付け板 ８ａ 突条部 ８ｂ 結合片 ８ｃ 係止用穴 ８ｄ、８ｆ、８ｇ アース片 ８ｅ 取付け片 ９ 端子 １０ 絶縁板 １１ 注型樹脂 DESCRIPTION OF SYMBOLS 1 Noise filter 2 Power supply terminal 3 Electric circuit 4 Coil 5 Capacitor 6 Capacitor 7 Base 7a Bottom plate 7b Raised portion 7c Opening 7d Ground piece insertion hole 7e Projection 7f Terminal mounting hole 7g Depression 8 Mounting plate 8a Protrusion 8b Coupling Piece 8c Locking hole 8d, 8f, 8g Ground piece 8e Mounting piece 9 Terminal 10 Insulating plate 11 Cast resin
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭62−245713（ＪＰ，Ａ) 実開 昭58−139724（ＪＰ，Ｕ) 実開 昭57−168318（ＪＰ，Ｕ) 実開 昭57−166416（ＪＰ，Ｕ) ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-62-245713 (JP, A) JP-A-58-139724 (JP, U) JP-A-57-168318 (JP, U) JP-A-57-168318 166416 (JP, U)
Claims (2)
する樹脂製ベースと、該ベースに組合わされる金属製ア
ース板を兼ねかつ機器への取付け片を有すると共に、打
抜きおよび折り曲げ加工により製作されたアース取付け
板とからなり、前記ベースの底板部に、内部開口でひだ
状をなす***部を形成し、前記底板部の***部の外側に
位置する個所にアース片挿通用穴または溝を形成し、前
記ベースの側面部に複数個の突起（または凹部）を形成
し、 一方、前記取付け板の板面に突条部を形成し、該取付け
板の側縁に、該取付け板の板面に対して垂直に複数個の
結合片を形成し、各結合片に係止用穴（または突起）を
設け、該取付け板の端部に、該取付け板の板面に対して
垂直に切起こしによりアース片を形成し、 前記***部下面のひだ状凹部に前記取付け板の突条部を
嵌合し、前記ベースの***部内にコイルを入れ、前記隆
起部内開口部にコイルと取付け板とを絶縁する絶縁板を
介在させると共に注型樹脂を充填し、前記ベースの底板
部のアース片挿通穴に前記取付け板のアース片を挿通し
て該アース片をベース内の電子部品に接続し、前記ベー
スの側面部を前記取付け板の複数本の結合片で挟持し、
かつベース側面の突起（または凹部）に前記結合片の係
止用穴（または突起を係止させて取付け板をベースに結
合したことを特徴とするノイズフィルタ。1. A resin base on which electronic components constituting a noise filter are mounted, a metal ground plate combined with the base, a mounting piece for equipment, and a stamping and bending process. The base plate of the base is formed with a ridge having a pleated shape with an internal opening in the bottom plate of the base, and an earth piece insertion hole or groove is formed at a location located outside the ridge of the bottom plate. A plurality of projections (or recesses) are formed on the side surface of the base; and a ridge is formed on the plate surface of the mounting plate, on the side edge of the mounting plate, on the plate surface of the mounting plate. A plurality of connecting pieces are formed vertically with respect to each other, and locking holes (or projections) are provided in each of the connecting pieces, and cut and raised at the end of the mounting plate perpendicularly to the plate surface of the mounting plate. Forming a ground strip, a fold on the underside of the ridge The protrusions of the mounting plate are fitted into the portions, the coil is inserted into the protruding portion of the base, an insulating plate for insulating the coil and the mounting plate is interposed in the opening in the protruding portion, and the casting resin is filled. A ground piece of the mounting plate is inserted into a ground piece insertion hole of a bottom plate portion of the base, the ground piece is connected to an electronic component in the base, and a side portion of the base is connected to a plurality of connecting pieces of the mounting plate. Sandwiched between
A noise filter, wherein the mounting plate is connected to the base by locking the locking hole (or protrusion) of the connecting piece to the protrusion (or recess) on the side surface of the base.
なし、かつ前記コイルと他の電子部品とが該ベースの長
辺方向に配列される構造を有し、前記ベースの長辺を形
成する側面に、前記取付け板結合用の複数個の突起（ま
たは凹部）を形成し、前記結合片を取付け板の両側部に
形成すると共に、該両側部に機器への取付け片を形成し
たことを特徴とするノイズフィルタ。2. The base according to claim 1, wherein the base has a rectangular shape, and the coil and another electronic component have a structure arranged in a long side direction of the base to form a long side of the base. A plurality of projections (or recesses) for connecting the mounting plate are formed on side surfaces, and the connecting pieces are formed on both sides of the mounting plate, and mounting pieces for equipment are formed on both sides. And a noise filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3880191U JP2551775Y2 (en) | 1991-04-26 | 1991-04-26 | Noise filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3880191U JP2551775Y2 (en) | 1991-04-26 | 1991-04-26 | Noise filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0534718U JPH0534718U (en) | 1993-05-07 |
| JP2551775Y2 true JP2551775Y2 (en) | 1997-10-27 |
Family
ID=12535400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3880191U Expired - Fee Related JP2551775Y2 (en) | 1991-04-26 | 1991-04-26 | Noise filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2551775Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11190159B2 (en) | 2019-10-07 | 2021-11-30 | Tokin Corporation | Noise filter |
| DE102019215489B4 (en) | 2019-10-09 | 2022-03-17 | Tokin Corporation | noise filter |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2720291B2 (en) * | 1994-03-31 | 1998-03-04 | 岡谷電機産業株式会社 | Noise filter |
| JP4593907B2 (en) * | 2003-12-16 | 2010-12-08 | 岡谷電機産業株式会社 | Noise filter and method of manufacturing noise filter |
| JP2005184074A (en) * | 2003-12-16 | 2005-07-07 | Okaya Electric Ind Co Ltd | Noise filter |
| JP5507974B2 (en) * | 2009-11-19 | 2014-05-28 | コーセル株式会社 | Noise filter |
-
1991
- 1991-04-26 JP JP3880191U patent/JP2551775Y2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11190159B2 (en) | 2019-10-07 | 2021-11-30 | Tokin Corporation | Noise filter |
| DE102019215489B4 (en) | 2019-10-09 | 2022-03-17 | Tokin Corporation | noise filter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0534718U (en) | 1993-05-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19970617 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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| LAPS | Cancellation because of no payment of annual fees |