JPH0459923U - - Google Patents
Info
- Publication number
- JPH0459923U JPH0459923U JP10258090U JP10258090U JPH0459923U JP H0459923 U JPH0459923 U JP H0459923U JP 10258090 U JP10258090 U JP 10258090U JP 10258090 U JP10258090 U JP 10258090U JP H0459923 U JPH0459923 U JP H0459923U
- Authority
- JP
- Japan
- Prior art keywords
- circumferential surface
- magnetic core
- outer circumferential
- inner circumferential
- cut
- 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.)
- Granted
Links
- 239000005300 metallic glass Substances 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 230000005284 excitation Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 1
Landscapes
- Soft Magnetic Materials (AREA)
- Regulation Of General Use Transformers (AREA)
Description
第１図ないし第８図は本考案の実施例を示し、
第１図は第１実施例の斜視図、第２図は第２実施
例の斜視図、第３図は第３実施例の斜視図、第４
図は第４実施例の斜視図、第５図は第５実施例の
斜視図、第６図は多重正弦波（周波数範囲１〜２
ＯＫＨｚで出力電圧が一定）で励振したときの周
波数１０ＫＨｚにおける磁束密度と騒音の音圧レ
ベルとの関係を示すグラフ、第７図は励振周波数
５ＫＨｚで正弦波励振した場合の磁束密度と周波
数５ＫＨｚの発生音レベルとの関係を示すグラフ
、第８図は励振周波数５ＫＨｚで正弦波励振した
場合の密度と周波数１０ｋｈｚ発生音レベルとの
関係を示すグラフである。
１……磁心、２……第１の側面、３……切込み
溝、４……第２の側面、５……外周面、６……内
周面。
1 to 8 show embodiments of the present invention,
Fig. 1 is a perspective view of the first embodiment, Fig. 2 is a perspective view of the second embodiment, Fig. 3 is a perspective view of the third embodiment, and Fig. 4 is a perspective view of the third embodiment.
The figure is a perspective view of the fourth embodiment, Figure 5 is a perspective view of the fifth embodiment, and Figure 6 is a multiple sine wave (frequency range 1 to 2).
Figure 7 is a graph showing the relationship between the magnetic flux density and the sound pressure level of noise at a frequency of 10 KHz when excited at a frequency of 5 KHz (with a constant output voltage). FIG. 8 is a graph showing the relationship between the density and the generated sound level at a frequency of 10 kHz when sine wave excitation is performed at an excitation frequency of 5 kHz. DESCRIPTION OF SYMBOLS 1... Magnetic core, 2... First side surface, 3... Notch groove, 4... Second side surface, 5... Outer peripheral surface, 6... Inner peripheral surface.
Claims (1)
面とを有し、これら外周面と内周面の夫々の一方
の縁同士を連結する第１の側面と、外周面と内周
面との夫々の他方の縁同士を連結する第２の側面
とを有し、前記第１の側面から第２の側面に向け
て侵入する切込み溝、第２の側面から第１の側面
に向けて侵入する切込み溝、もしくは内周面から
外周面に向けて侵入する切込み溝の中から選択さ
れる切込み溝を、異種同士合わせてまたは同種の
ものをそれぞれ計２箇所以上形成することを特徴
とする磁心。 (2) 前記切込み溝の面積を全断面の ２０％から８０％ としたことを特徴とする請求項１記載の磁心、 (3) アモルフアス金属製リボンを巻回して構成
することを特徴とする請求項１または２に記載の
磁心。[Claims for Utility Model Registration] (1) A first ring which is annular and has a rectangular cross section and has an outer circumferential surface and an inner circumferential surface, and connects one edge of each of the outer circumferential surface and the inner circumferential surface. and a second side surface connecting the other edges of the outer circumferential surface and the inner circumferential surface, and a cut groove intruding from the first side surface toward the second side surface; Cut grooves selected from cut grooves that enter from the side surface toward the first side surface or cut grooves that enter from the inner circumferential surface toward the outer circumferential surface are combined with different types or those of the same type. A magnetic core characterized by being formed at two or more locations. (2) The magnetic core according to claim 1, wherein the area of the cut groove is 20% to 80% of the total cross section; (3) The magnetic core is constructed by winding an amorphous metal ribbon. The magnetic core according to item 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990102580U JPH08734Y2 (en) | 1990-09-28 | 1990-09-28 | Magnetic core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990102580U JPH08734Y2 (en) | 1990-09-28 | 1990-09-28 | Magnetic core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0459923U true JPH0459923U (en) | 1992-05-22 |
| JPH08734Y2 JPH08734Y2 (en) | 1996-01-10 |
Family
ID=31846954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990102580U Expired - Lifetime JPH08734Y2 (en) | 1990-09-28 | 1990-09-28 | Magnetic core |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08734Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007189157A (en) * | 2006-01-16 | 2007-07-26 | Sanyo Denki Kogyo Kk | Ac component extractor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7089671B2 (en) * | 2018-10-19 | 2022-06-23 | 株式会社オートネットワーク技術研究所 | Reactor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50104118U (en) * | 1974-01-30 | 1975-08-27 | ||
| JPS59144113A (en) * | 1983-02-07 | 1984-08-18 | Hitachi Metals Ltd | Magnetic core |
-
1990
- 1990-09-28 JP JP1990102580U patent/JPH08734Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50104118U (en) * | 1974-01-30 | 1975-08-27 | ||
| JPS59144113A (en) * | 1983-02-07 | 1984-08-18 | Hitachi Metals Ltd | Magnetic core |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007189157A (en) * | 2006-01-16 | 2007-07-26 | Sanyo Denki Kogyo Kk | Ac component extractor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08734Y2 (en) | 1996-01-10 |
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