【０００１】[0001]
【産業上の利用分野】本発明は、複数個に分割された分
割磁性体コアからなる閉磁路磁性体コアを用い、電線
（ケーブル）を通して電子機器より送り出され、または
電子機器へ導入されるノイズを吸収して、必要な信号を
弁別するための信号弁別器に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention uses a closed magnetic circuit magnetic core composed of a plurality of divided magnetic cores, and noises sent from an electronic device or introduced into an electronic device through an electric wire (cable). And a signal discriminator for discriminating a required signal.
【０００２】[0002]
【従来の技術】電磁波ノイズ障害防止のための電気雑音
吸収部材として、信号弁別器が汎用されている。図７は
例えば実開昭６２−１７２１９７号、実開平２−１１５
号などに示された従来の信号弁別器を示す断面図であ
る。図において、１は信号弁別器であり、パネル２の取
付穴３に取付けられ、内周穴４に電線５を通している。
信号弁別器１は、取付穴３に装着される環状の弁別器本
体６と、弁別器本体６に内蔵された環状の磁性体コア７
と、弁別器本体６のつば部８との間にパネル２を挟むよ
うに挿入部９の外周に取付けられる環状の固着部材１０
とからなる。2. Description of the Related Art A signal discriminator is widely used as an electric noise absorbing member for preventing electromagnetic wave noise interference. FIG. 7 shows, for example, Japanese Utility Model Publication No. 62-172197 and Japanese Utility Model Publication No. 2-115.
It is sectional drawing which shows the conventional signal discriminator shown by the No. etc. In the figure, 1 is a signal discriminator, which is mounted in a mounting hole 3 of a panel 2 and a wire 5 is passed through an inner peripheral hole 4.
The signal discriminator 1 includes an annular discriminator body 6 mounted in the mounting hole 3 and an annular magnetic core 7 built in the discriminator body 6.
And the collar 8 of the discriminator body 6, the annular fixing member 10 is attached to the outer periphery of the insertion portion 9 so as to sandwich the panel 2.
Consists of.
【０００３】上記の信号弁別器１は、弁別器本体６の内
周穴４に電線５を通した状態で、弁別器本体６をパネル
２の取付穴３に装着し、挿入部９の外周に環状の固着部
材１０を装着して接着剤により固着する。こうして装着
された信号弁別器１は、磁性体コア７が電線５に流れる
ノイズを吸収し、必要な信号が弁別される。In the above signal discriminator 1, the discriminator body 6 is mounted in the mounting hole 3 of the panel 2 in a state where the electric wire 5 is passed through the inner peripheral hole 4 of the discriminator body 6, and the signal discriminator 1 is attached to the outer periphery of the insertion portion 9. An annular fixing member 10 is attached and fixed by an adhesive. In the signal discriminator 1 thus mounted, the magnetic core 7 absorbs noise flowing through the electric wire 5, and a necessary signal is discriminated.
【０００４】しかるに上記のような従来の信号弁別器１
においては、弁別器本体６と環状の固着部材１０を予め
パネル２の両側に配置して、電線５を通しておく必要が
あり、磁性体コア７を交換するためには、その都度電線
５を取外さなければならないという問題点があった。However, the conventional signal discriminator 1 as described above is used.
In the above, it is necessary to arrange the discriminator body 6 and the annular fixing member 10 on both sides of the panel 2 in advance and pass the electric wire 5 through it. In order to replace the magnetic core 7, the electric wire 5 is removed each time. There was a problem that it had to be.
【０００５】また実開平２−９１３１５号には、複数個
に分割された分割磁性体コアを、分割ケースからなる開
閉可能なケースに収容し、電線の外周部を包囲するよう
に組合せて装着する信号弁別器が提案されている。In Japanese Utility Model Laid-Open No. 2-91315, a plurality of divided magnetic cores are housed in an openable and closable case, which is combined and mounted so as to surround the outer circumference of the electric wire. Signal discriminators have been proposed.
【０００６】しかしこのような信号弁別器においては、
信号弁別器を固定する手段が必要である上、パネルの電
線貫通部に別途ブッシュが必要であるという問題点があ
った。However, in such a signal discriminator,
There is a problem that a means for fixing the signal discriminator is required and a bush is additionally required for the electric wire penetration portion of the panel.
【０００７】[0007]
【発明が解決しようとする課題】この発明は上記の問題
点を解決するためになされたもので、信号弁別器にブッ
シュとしての機能を持たせることができるとともに、パ
ネルに電線を貫通させた状態においても、信号弁別器の
取付および交換が可能であり、また固着部材を装着する
だけで、信号弁別器の取付と分割磁性体コアの圧着が可
能であり、しかも磁性体コアの電磁特性に応じて、分割
磁性体コアの圧着力を変えることが可能な信号弁別器を
得ることを目的としている。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and allows the signal discriminator to have a function as a bush and a state in which an electric wire is passed through the panel. Also, the signal discriminator can be attached and replaced, and the signal discriminator can be attached and the split magnetic cores can be crimped simply by mounting the fixing member, and according to the electromagnetic characteristics of the magnetic cores. The purpose of the present invention is to obtain a signal discriminator capable of changing the crimping force of the split magnetic core.
【０００８】[0008]
【課題を解決するための手段】この発明の信号弁別器
は、軸線に沿って複数個に分割され、かつ組合せた状態
で電線の外周部を包囲する磁性体コアを形成する分割磁
性体コアと、この分割磁性体コアを収容する分割ケース
からなる開閉可能なケースと、前記分割磁性体コアおよ
びケース間に配置され、かつ分割磁性体コアの分割面を
互いに圧着させる圧着部品と、前記分割ケースの一端部
側に形成され、かつ前記電線を包囲するように組合せた
状態でパネルの取付穴に挿入される挿入部と、この挿入
部にパネルの反対側から装着され、前記分割ケースを閉
じて分割磁性体コアの分割面を圧着させるとともに、前
記ケースをパネルに固着する固着部材とを備えたもので
ある。A signal discriminator according to the present invention includes a split magnetic core which is divided into a plurality of pieces along an axis and which, in a combined state, forms a magnetic core that surrounds an outer peripheral portion of an electric wire. An openable and closable case composed of a divided case for accommodating the divided magnetic core; a crimp component arranged between the divided magnetic core and the case and crimping the divided surfaces of the divided magnetic core to each other; An insertion part which is formed on one end side of the panel and is inserted into the mounting hole of the panel in a state of being combined so as to surround the electric wire, and the insertion part is mounted from the opposite side of the panel, and the split case is closed. The divided surface of the divided magnetic core is pressure-bonded, and a fixing member for fixing the case to the panel is provided.
【０００９】[0009]
【作用】この発明の信号弁別器においては、分割磁性体
コアおよび圧着部品を分割ケースに収容した状態で、電
線の外周部を包囲するようにケースを閉じると、電線
（ケーブル）を取囲むように分割磁性体コアが一体化し
て、磁性体コアが形成される。In the signal discriminator of the present invention, when the split magnetic core and the crimping component are accommodated in the split case and the case is closed so as to surround the outer peripheral portion of the electric wire, the electric wire (cable) is surrounded. The divided magnetic cores are integrated with each other to form a magnetic core.
【００１０】このとき電線を囲むように組合された挿入
部をパネルの取付穴に挿入し、パネルの反対側から固着
部材を装着すると、分割ケースが合体した状態でパネル
に固着される。これにより分割磁性体コアの分割面が圧
着されて、閉磁路が形成され、同時に信号弁別器がパネ
ルに取付けられる。At this time, when the insertion portion combined so as to surround the electric wire is inserted into the mounting hole of the panel and the fixing member is attached from the opposite side of the panel, the split case is fixed to the panel in a united state. As a result, the split surface of the split magnetic material core is pressure-bonded to form a closed magnetic path, and at the same time, the signal discriminator is attached to the panel.
【００１１】この状態で電線に電流が流れると、磁性体
コアのインピーダンス特性に応じて、ノイズ成分が除去
され、必要な信号が弁別される。ノイズ除去効果は、分
割磁性体コアの分割面におけるギャップが小さいほど大
きいので、磁性体コアに要求される電磁特性に応じて、
圧着部品を変えることにより、圧着力を変えることがで
きる。When a current flows through the electric wire in this state, the noise component is removed according to the impedance characteristic of the magnetic core, and the necessary signal is discriminated. The noise removal effect is greater as the gap on the split surface of the split magnetic core is smaller, so depending on the electromagnetic characteristics required for the magnetic core,
The crimping force can be changed by changing the crimping parts.
【００１２】分割磁性体コアや圧着部品の交換は、前記
と逆の操作により、信号弁別器を取外して交換し、前記
と同様の操作により再度取付ける。To replace the split magnetic cores and the crimping parts, the signal discriminator is removed and replaced by the reverse operation of the above, and the same operation as described above is performed again.
【００１３】[0013]
【実施例】以下、この発明の一実施例を図について説明
する。図１はこの発明の一実施例による信号弁別器を示
す断面図、図２はその装着前の分解斜視図、図３は装着
状態を示す斜視図であり、図において、図７と同一符号
は同一または相当部分を示す。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a sectional view showing a signal discriminator according to an embodiment of the present invention, FIG. 2 is an exploded perspective view before mounting the same, and FIG. 3 is a perspective view showing a mounted state. Indicates the same or corresponding part.
【００１４】信号弁別器１を構成する弁別器本体６は、
半円筒状の分割ケース１１ａ、１１ｂがヒンジ１１ｃに
より開閉可能となったケース１１内に、分割磁性体コア
７ａ、７ｂからなる磁性体コア７、および波板ばね等の
圧着部品１２ａ、１２ｂが収容された構造になってい
る。分割磁性体コア７ａ、７ｂはフェライト等の磁性体
からなる円筒状の磁性体コア７が軸線に沿って複数個に
分割された構造のものであり、分割ケース１１ａ、１１
ｂに収容された状態で一体化している。The discriminator main body 6 constituting the signal discriminator 1 is
A semi-cylindrical split case 11a, 11b is opened and closed by a hinge 11c, and a magnetic core 7 composed of split magnetic cores 7a, 7b and crimp parts 12a, 12b such as corrugated leaf springs are housed in the case 11. It has a special structure. The divided magnetic material cores 7a and 7b have a structure in which a cylindrical magnetic material core 7 made of a magnetic material such as ferrite is divided into a plurality of pieces along the axis, and the divided cases 11a and 11b are formed.
It is integrated in the state of being accommodated in b.
【００１５】分割ケース１１ａ、１１ｂの一端部から半
円筒状の分割挿入部１９ａ、１９ｂが突出し、電線５を
包囲するように組合せて挿入部１９が形成されている。
挿入部１９はパネル２の取付穴３に挿入される大きさで
あり、かつ表面にオネジ１３が形成されている。固着部
材２０はナット等の環状部材からなり、内周にメネジ１
４が形成されている。上記の信号弁別器１においては、
パネル２の取付穴３および固着部材２０に電線５を通
し、また分割磁性体コア７ａ、７ｂおよび圧着部品１２
ａ、１２ｂを分割ケース１１ａ、１１ｂに収容した状態
で、電線５の外周部を包囲するようにケース１１を閉じ
ると、電線５を取囲むように分割磁性体コア７ａ、７ｂ
が一体化して、磁性体コア７が形成される。Semi-cylindrical split insertion portions 19a and 19b project from one end of the split cases 11a and 11b, and the insertion portion 19 is formed so as to surround the electric wire 5.
The insertion portion 19 has a size to be inserted into the mounting hole 3 of the panel 2 and has a male screw 13 formed on the surface thereof. The fixing member 20 is made of an annular member such as a nut, and has an internal thread 1
4 are formed. In the above signal discriminator 1,
The electric wire 5 is passed through the mounting hole 3 and the fixing member 20 of the panel 2, and the divided magnetic cores 7a and 7b and the crimping component 12 are also provided.
When the case 11 is closed so as to surround the outer peripheral portion of the electric wire 5 in a state where the a and 12b are housed in the divided cases 11a and 11b, the divided magnetic cores 7a and 7b so as to surround the electric wire 5.
Are integrated to form the magnetic core 7.
【００１６】このとき電線５を囲むように組合された挿
入部１９をパネル２の取付穴３に挿入し、パネル２の反
対側から固着部材２０をねじ付けて装着すると、分割ケ
ース１１ａ、１１ｂが合体した状態でパネル２に固着さ
れる。これにより分割磁性体コア７ａ、７ｂの分割面が
圧着されて、閉磁路が形成され、同時に信号弁別器１が
パネル２に取付けられる。At this time, when the insertion portion 19 assembled so as to surround the electric wire 5 is inserted into the mounting hole 3 of the panel 2 and the fixing member 20 is attached by screwing from the opposite side of the panel 2, the divided cases 11a and 11b are separated. The united state is fixed to the panel 2. As a result, the split surfaces of the split magnetic cores 7a and 7b are crimped to form a closed magnetic path, and at the same time, the signal discriminator 1 is attached to the panel 2.
【００１７】この状態で電線５に電流が流れると、磁性
体コア７のインピーダンス特性に応じて、ノイズ成分が
除去され、必要な信号が弁別される。ノイズ除去効果
は、分割磁性体コア７ａ、７ｂの分割面におけるギャッ
プが小さいほど大きいので、磁性体コア７に要求される
電磁特性に応じて、圧着部品１２ａ、１２ｂを変えるこ
とにより、圧着力を変えることができる。When a current flows through the electric wire 5 in this state, the noise component is removed according to the impedance characteristic of the magnetic core 7, and the necessary signal is discriminated. The noise removal effect is greater as the gap on the split surfaces of the split magnetic cores 7a and 7b is smaller. Therefore, the crimping force can be changed by changing the crimping parts 12a and 12b according to the electromagnetic characteristics required for the magnetic core 7. Can be changed.
【００１８】分割磁性体コア７ａ、７ｂや圧着部品１２
ａ、１２ｂの交換は、前記と逆の操作により、信号弁別
器１を取外して交換し、前記と同様の操作により再度取
付ける。The split magnetic cores 7a, 7b and the crimping component 12
For replacement of a and 12b, the signal discriminator 1 is removed and replaced by the reverse operation to the above, and reattached by the same operation as described above.
【００１９】上記の信号弁別器１はパネル２の取付穴３
に、電線５を通した状態で取付けられるため、ブッシュ
としての機能をも有している。そしてパネル２に電線５
を貫通させた状態においても、信号弁別器１の取付およ
び交換が可能である。また固着部材２０を装着するだけ
で、信号弁別器１の取付と分割磁性体コア７ａ、７ｂの
圧着を行うことができる。しかも磁性体コア７の電磁特
性に応じて、分割磁性体コア７ａ、７ｂの圧着力を変え
ることが可能であり、その調整も容易である。さらに挿
入部１９にオネジ１３を形成し、固着部材２０としてメ
ネジ１４を有するナットを用いたので、ねじ付けにより
簡単に固着を行うことができる。The above signal discriminator 1 has a mounting hole 3 for the panel 2.
In addition, since it is attached while the electric wire 5 is passed through, it also has a function as a bush. And the electric wire 5 on the panel 2
The signal discriminator 1 can be attached and replaced even when the signal discriminator 1 is penetrated. Further, the signal discriminator 1 can be attached and the split magnetic cores 7a and 7b can be crimped by simply mounting the fixing member 20. Moreover, it is possible to change the pressure bonding force of the divided magnetic cores 7a and 7b according to the electromagnetic characteristics of the magnetic core 7, and the adjustment thereof is easy. Further, since the male screw 13 is formed in the insertion portion 19 and the nut having the female screw 14 is used as the fixing member 20, the fixing can be easily performed by screwing.
【００２０】図４ないし図６は他の実施例を示す斜視図
である。図４では、分割ケース１１ａ、１１ｂに係合溝
１６ａ、１６ｂが形成され、補助クリップ１７により分
割ケース１１ａ、１１ｂの固着力を高めるようになって
いる。図５では、電線保護部１８がケース１１に形成さ
れ、電線５を保護するようになっている。図６ではさら
に電線保護部１８にスリット２１が形成され、締付バン
ド２２で固着することにより、信号弁別器１の他端と電
線５の固着が行われるようになっている。4 to 6 are perspective views showing another embodiment. In FIG. 4, the engaging grooves 16a and 16b are formed in the divided cases 11a and 11b, and the auxiliary clip 17 enhances the fixing force of the divided cases 11a and 11b. In FIG. 5, the electric wire protection portion 18 is formed on the case 11 to protect the electric wire 5. In FIG. 6, a slit 21 is further formed in the electric wire protection portion 18, and the electric wire 5 is fixed to the other end of the signal discriminator 1 by fixing it with a tightening band 22.
【００２１】なお、上記の説明において、分割磁性体コ
ア７ａ、７ｂとして、円筒状の磁性体コア７を分割した
形状のものを示したが、平ケーブルに装着する場合に
は、中空部を有する直方体の形状の磁性体コアを分割し
たものを使用するなど、電線５の形状に応じて選択する
ことができる。In the above description, the split magnetic material cores 7a and 7b have a shape in which the cylindrical magnetic material core 7 is divided. However, when the magnetic material cores 7a and 7b are attached to a flat cable, they have hollow portions. It can be selected according to the shape of the electric wire 5, such as using a magnetic core having a rectangular parallelepiped shape divided.
【００２２】また、圧着部品１２ａ、１２ｂも波板ばね
に限らず、他の形状のものでもよい。さらに固着部材１
０もクリップその他のものでもよい。Further, the crimping parts 12a and 12b are not limited to the corrugated leaf springs, and may have other shapes. Further fixed member 1
0 may be a clip or the like.
【００２３】[0023]
【発明の効果】この発明によれば、分割ケースからなる
開閉可能なケースに、分割磁性体コアおよび圧着部品を
収容してケースを閉じ、挿入部をパネルの取付穴に挿入
して、固着部材で固着するようにしたので、信号弁別器
にブッシュとしての機能を持たせることができるととも
に、パネルに電線を貫通させた状態においても、信号弁
別器の取付および交換が可能であり、また固着部材を装
着するだけで、信号弁別器の取付と分割磁性体コアの圧
着が可能であり、しかも磁性体コアの電磁特性に応じ
て、分割磁性体コアの圧着力を変えることができる。According to the present invention, the split magnetic core and the crimping component are housed in the openable / closable casing, the casing is closed, and the insertion portion is inserted into the mounting hole of the panel to fix the fixing member. The signal discriminator can function as a bush because the signal discriminator can be attached and replaced even when the wire is penetrated through the panel. The signal discriminator can be attached and the split magnetic material cores can be crimped simply by mounting, and the crimping force of the split magnetic material cores can be changed according to the electromagnetic characteristics of the magnetic material cores.
【図１】実施例の信号弁別器の断面図。FIG. 1 is a sectional view of a signal discriminator according to an embodiment.
【図２】図１の装着前の分解斜視図。FIG. 2 is an exploded perspective view of FIG. 1 before mounting.
【図３】図１の装着状態を示す斜視図。FIG. 3 is a perspective view showing a mounted state of FIG.
【図４】他の実施例の斜視図。FIG. 4 is a perspective view of another embodiment.
【図５】他の実施例の斜視図。FIG. 5 is a perspective view of another embodiment.
【図６】他の実施例の斜視図。FIG. 6 is a perspective view of another embodiment.
【図７】従来の信号弁別器の断面図。FIG. 7 is a sectional view of a conventional signal discriminator.
１ 信号弁別器 ２ パネル ３ 取付穴 ５ 電線 ６ 弁別器本体 ７ 磁性体コア ７ａ、７ｂ 分割磁性体コア ８ つば部 ９、１９ 挿入部 ９ａ、９ｂ、１９ａ、１９ｂ 分割挿入部 １０、２０ 固着部材 １１ ケース １１ａ、１１ｂ 分割ケース １２ａ、１２ｂ 圧着部品 1 signal discriminator 2 panel 3 mounting hole 5 electric wire 6 discriminator main body 7 magnetic core 7a, 7b split magnetic core 8 collar part 9, 19 insertion part 9a, 9b, 19a, 19b split insertion part 10, 20 fixing member 11 Cases 11a, 11b Split cases 12a, 12b Crimping parts
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19806591AJPH0547564A (en) | 1991-08-07 | 1991-08-07 | Signal discriminator |
| US07/922,495US5373277A (en) | 1991-08-07 | 1992-07-31 | Signal discriminator |
| US08/298,334US5537087A (en) | 1991-08-07 | 1994-08-30 | Signal discriminator |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19806591AJPH0547564A (en) | 1991-08-07 | 1991-08-07 | Signal discriminator |
| Publication Number | Publication Date |
|---|---|
| JPH0547564Atrue JPH0547564A (en) | 1993-02-26 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19806591APendingJPH0547564A (en) | 1991-08-07 | 1991-08-07 | Signal discriminator |
| Country | Link |
|---|---|
| JP (1) | JPH0547564A (en) |
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