JPH04727U - - Google Patents
Info
- Publication number
- JPH04727U JPH04727U JP4174790U JP4174790U JPH04727U JP H04727 U JPH04727 U JP H04727U JP 4174790 U JP4174790 U JP 4174790U JP 4174790 U JP4174790 U JP 4174790U JP H04727 U JPH04727 U JP H04727U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetic core
- noise prevention
- partition plate
- windings
- 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.)
- Pending
Links
- 230000002265 prevention Effects 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 5
- 238000010292 electrical insulation Methods 0.000 claims 1
- 230000004907 flux Effects 0.000 claims 1
- 230000007257 malfunction Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Coils Or Transformers For Communication (AREA)
- Filters And Equalizers (AREA)
Description
第１図は、本考案によるノイズ防止用チヨーク
コイルでアモルフアスコアにコアケース及び仕切
板を取付け巻線を施した斜視図。第２図は、本考
案によるノイズ防止用チヨークコイルに使用する
アモルフアスコアに使用するアモルフアスコアに
コアケースをかぶせ仕切板を挿入した斜視図。第
３図は、本考案によるノイズ防止用チヨークコイ
ルに使用する小判形のアモルフアスコアをコアケ
ースに収納した斜視図。第４図は、本考案による
アモルフアスコアを使用したノイズ防止用チヨー
クコイルによりノイズフイルタを構成し、実装評
価測定を行つた特性図。
１……アモルフアスコア、２……コアケース、
３……仕切板、４，５……巻線、○ａ……巻始め
、○ｂ……巻終わり、Ａ……本考案によるノイズ
防止用チヨークコイルを用いたノイズフイルタの
インパルス電圧による誤動作領域、Ｂ……従来の
円環状アモルフアスコアを用いたノイズ防止用チ
ヨークコイルによるノイズフイルタのインパルス
電圧による誤動作領域、Ｃ……従来の円環状フエ
ライトコアを用いたノイズ防止用チヨークコイル
によるノイズフイルタのインパルス電圧による誤
動作領域、Ｄ……フイルタを使用しない時のイン
パルス電圧による誤動作領域。
FIG. 1 is a perspective view of the noise prevention chiyoke coil according to the present invention in which a core case and a partition plate are attached to an amorphous amorphous core and winding is performed. FIG. 2 is a perspective view of the amorphous amorphous core used in the noise prevention chiyoke coil according to the present invention, in which a core case is covered and a partition plate is inserted. FIG. 3 is a perspective view of the oval-shaped amorphous core used in the noise prevention chiyoke coil according to the present invention housed in a core case. FIG. 4 is a characteristic diagram in which a noise filter is configured with a noise prevention chiyoke coil using an amorphous amorphous core according to the present invention, and a mounting evaluation measurement is performed. 1...Amorphous core, 2...Core case,
3... Partition plate, 4, 5... Winding wire, ○a... Start of winding, ○b... End of winding, A... Malfunction area due to impulse voltage of noise filter using chiyoke coil for noise prevention according to the present invention, B...Malfunction area due to the impulse voltage of a noise filter using a conventional noise prevention chiyoke coil using an annular amorphous core, C...Due to the impulse voltage of a noise filter using a conventional noise prevention chiyoke coil using a toroidal ferrite core Malfunction area, D... Malfunction area due to impulse voltage when no filter is used.
Claims (1)
各巻線に対向して流れる電流によつて磁路中に生
ずる磁束が互いに打ち消し合うように巻回し形成
したコモンモードのノイズ防止用チヨークコイル
において、磁芯形状を小判形とし、該磁芯を電気
絶縁ケースで覆い、磁芯内径中心の長辺方向磁脚
に平行に電気絶縁のための仕切板を設け、仕切板
の両辺に巻線を施し構成したことを特徴とするノ
イズ防止用チヨークコイル。 Two sets of windings are applied to the magnetic core of a closed magnetic circuit with no air gaps,
In a common mode noise prevention chiyoke coil that is wound so that the magnetic flux generated in the magnetic path by the current flowing opposite each winding cancels each other out, the magnetic core is oval in shape, and the magnetic core is electrically insulated. A chiyoke coil for noise prevention, characterized in that it is covered with a case, a partition plate is provided for electrical insulation in parallel to the long side magnetic legs at the center of the inner diameter of the magnetic core, and windings are applied to both sides of the partition plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4174790U JPH04727U (en) | 1990-04-18 | 1990-04-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4174790U JPH04727U (en) | 1990-04-18 | 1990-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04727U true JPH04727U (en) | 1992-01-07 |
Family
ID=31552684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4174790U Pending JPH04727U (en) | 1990-04-18 | 1990-04-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04727U (en) |
-
1990
- 1990-04-18 JP JP4174790U patent/JPH04727U/ja active Pending