JP2023165608A - ノイズフィルタ - Google Patents
ノイズフィルタ Download PDFInfo
- Publication number
- JP2023165608A JP2023165608A JP2023023865A JP2023023865A JP2023165608A JP 2023165608 A JP2023165608 A JP 2023165608A JP 2023023865 A JP2023023865 A JP 2023023865A JP 2023023865 A JP2023023865 A JP 2023023865A JP 2023165608 A JP2023165608 A JP 2023165608A
- Authority
- JP
- Japan
- Prior art keywords
- circuit board
- magnetic core
- choke coil
- noise filter
- capacitors
- 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
- 238000004804 winding Methods 0.000 claims abstract description 88
- 239000003990 capacitor Substances 0.000 claims abstract description 78
- 238000010586 diagram Methods 0.000 description 12
- 238000009434 installation Methods 0.000 description 7
- 230000001965 increasing effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001788 irregular Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/33—Arrangements for noise damping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2895—Windings disposed upon ring cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F37/00—Fixed inductances not covered by group H01F17/00
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/0115—Frequency selective two-port networks comprising only inductors and capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
- H01F2027/065—Mounting on printed circuit boards
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Filters And Equalizers (AREA)
- Coils Of Transformers For General Uses (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
Description
11:円形磁性体コア
12、121、122、123:コイル
121a、122a:ピン
2:チョークコイル
21:非円形磁性体コア
210:中空部
211:第1磁性体部
212:第2磁性体部
213:第3磁性体部
214:第4磁性体部
215:楕円環状の本体
216:U字形の延在部
22:巻線組
22a:第1出線端
22b:第2出線端
3:回路基板
30:電子部品
31、61:コンデンサ
31a:Yコンデンサ
31b:Xコンデンサ
4、5、7:ノイズフィルタ
6:追加回路基板
Claims (10)
- 回路基板とチョークコイルとを含むノイズフィルタであって、
前記回路基板は、少なくとも3つ以上のコンデンサを有し、
前記チョークコイルは、前記回路基板に設置され、非円形磁性体コアと、前記非円形磁性体コアに巻回された少なくとも3つ以上の巻線組とを含み、
前記少なくとも3つ以上のコンデンサは前記チョークコイルに隣接する区域に設けられ、前記少なくとも3つ以上の巻線組の第1出線端は、前記少なくとも3つ以上のコンデンサに対応して接続される、ノイズフィルタ。 - 前記非円形磁性体コアは中空部を有し、前記巻線組の一部が前記非円形磁性体コアの前記中空部を通過する、請求項1に記載のノイズフィルタ。
- 前記非円形磁性体コアは楕円環状の磁性体コアである、請求項1に記載のノイズフィルタ。
- 前記非円形磁性体コアは楕円環状の本体とU字形の延在部とを含む、請求項1に記載のノイズフィルタ。
- 前記少なくとも3つ以上のコンデンサは前記チョークコイルの一側に隣接して設けられる、請求項1に記載のノイズフィルタ。
- 前記少なくとも3つ以上のコンデンサは前記チョークコイルの対向する両側に隣接して設けられる、請求項1に記載のノイズフィルタ。
- 前記少なくとも3つ以上の巻線組は、直列、並列、または直列と並列に設置される、請求項1に記載のノイズフィルタ。
- 前記ノイズフィルタは追加回路基板をさらに含み、前記追加回路基板には、前記少なくとも3つ以上の巻線組の第2出線端に対応して接続されるための少なくとも1つのコンデンサを有する、請求項1に記載のノイズフィルタ。
- 回路基板と、追加回路基板と、チョークコイルとを含むノイズフィルタであって、
前記回路基板に、少なくとも3つ以上のコンデンサが設けられ、
前記追加回路基板に、少なくとも1つのコンデンサが設けられ、
前記チョークコイルは、前記回路基板と前記追加回路基板との間に介在し、非円形磁性体コアと少なくとも3つ以上の巻線組とを含み、前記巻線組は前記非円形磁性体コアに巻回され、
前記回路基板上の前記少なくとも3つ以上のコンデンサ及び前記追加回路基板上の前記少なくとも1つのコンデンサは、いずれも前記チョークコイルに隣接して設けられ、前記少なくとも3つ以上の巻線組の第1出線端は、前記回路基板上の前記少なくとも3つ以上のコンデンサに対応して接続され、前記少なくとも3つ以上の巻線組の第2出線端は、前記追加回路基板上の前記少なくとも1つのコンデンサに対応して接続される、ノイズフィルタ。 - 前記チョークコイルの底側は前記回路基板に対応して設置され、前記チョークコイルの頂側は前記追加回路基板に対応して設置される、請求項9に記載のノイズフィルタ。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US202263338279P | 2022-05-04 | 2022-05-04 | |
US63/338,279 | 2022-05-04 | ||
CN202211558341.1A CN117012503A (zh) | 2022-05-04 | 2022-12-06 | 电磁干扰滤波系统 |
CN202211558341.1 | 2022-12-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2023165608A true JP2023165608A (ja) | 2023-11-16 |
Family
ID=86006709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2023023865A Pending JP2023165608A (ja) | 2022-05-04 | 2023-02-17 | ノイズフィルタ |
Country Status (3)
Country | Link |
---|---|
US (1) | US20230360848A1 (ja) |
EP (1) | EP4273895A1 (ja) |
JP (1) | JP2023165608A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU226567U1 (ru) * | 2024-03-29 | 2024-06-11 | Юрий Пантелеевич Лепеха | Радиационно стойкий фильтр подавления электромагнитных помех переменного тока для установки на печатные платы |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5905647A (en) * | 1997-01-20 | 1999-05-18 | Kabushiki Kaisha Toshiba | Inverter with incorporated filter circuit and improved component cooling arrangement |
DE19943576C1 (de) * | 1999-09-13 | 2001-05-17 | Mannesmann Vdo Ag | Transformator |
EP1918945A3 (de) * | 2006-11-06 | 2009-03-11 | Siemens Aktiengesellschaft Österreich | Spulenkörper für induktive Bauelemente |
DE102008031296A1 (de) * | 2008-07-02 | 2009-08-20 | Siemens Aktiengesellschaft | Drosselspuleneinrichtung für einen Filterschaltkreis sowie Verwendung einer solchen und Filterschaltkreis |
US10973127B2 (en) * | 2018-10-09 | 2021-04-06 | Delta Electronics, Inc. | Voltage regulator module |
CN110379599B (zh) * | 2019-06-05 | 2021-11-19 | 华为数字能源技术有限公司 | 集成电感和电子设备 |
DE102019130709A1 (de) * | 2019-11-14 | 2021-05-20 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Vorrichtung zum Filtern mindestens eines Signals |
-
2023
- 2023-02-16 US US18/110,748 patent/US20230360848A1/en active Pending
- 2023-02-17 JP JP2023023865A patent/JP2023165608A/ja active Pending
- 2023-04-11 EP EP23167296.5A patent/EP4273895A1/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU226567U1 (ru) * | 2024-03-29 | 2024-06-11 | Юрий Пантелеевич Лепеха | Радиационно стойкий фильтр подавления электромагнитных помех переменного тока для установки на печатные платы |
Also Published As
Publication number | Publication date |
---|---|
EP4273895A1 (en) | 2023-11-08 |
US20230360848A1 (en) | 2023-11-09 |
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