JP6879073B2 - パルストランス - Google Patents
パルストランス Download PDFInfo
- Publication number
- JP6879073B2 JP6879073B2 JP2017123037A JP2017123037A JP6879073B2 JP 6879073 B2 JP6879073 B2 JP 6879073B2 JP 2017123037 A JP2017123037 A JP 2017123037A JP 2017123037 A JP2017123037 A JP 2017123037A JP 6879073 B2 JP6879073 B2 JP 6879073B2
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- Japan
- Prior art keywords
- pulse transformer
- value
- winding core
- core portion
- less
- 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.)
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- 238000004804 winding Methods 0.000 claims description 63
- 238000003780 insertion Methods 0.000 description 37
- 230000037431 insertion Effects 0.000 description 37
- 230000007423 decrease Effects 0.000 description 23
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000004088 simulation Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Images
Classifications
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- 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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
-
- 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
- H01F27/29—Terminals; Tapping arrangements for signal inductances
- H01F27/292—Surface mounted devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/045—Fixed inductances of the signal type with magnetic core with core of cylindric geometry and coil wound along its longitudinal axis, i.e. rod or drum core
-
- 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
- H01F27/2823—Wires
-
- 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
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- 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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/38—Auxiliary core members; Auxiliary coils or windings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
- H01F41/064—Winding non-flat conductive wires, e.g. rods, cables or cords
- H01F41/069—Winding two or more wires, e.g. bifilar winding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
- H01F41/076—Forming taps or terminals while winding, e.g. by wrapping or soldering the wire onto pins, or by directly forming terminals from the wire
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F19/00—Fixed transformers or mutual inductances of the signal type
- H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
- H01F19/08—Transformers having magnetic bias, e.g. for handling pulses
- H01F2019/085—Transformer for galvanic isolation
-
- 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
- H01F27/2823—Wires
- H01F27/2828—Construction of conductive connections, of leads
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coils Or Transformers For Communication (AREA)
Description
20 ドラムコア
21,22 鍔部
21b,22b 底面
21i,22i 内側面
21o,22o 外側面
21s,21s 傾斜面
21t,22t 表面
23 巻芯部
30 板状コア
41〜46,43A,43B,44A,44B 端子電極
W1〜W4 ワイヤ
Claims (7)
- 巻芯部と、前記巻芯部の軸方向における一端に設けられた第1の鍔部と、前記巻芯部の前記軸方向における他端に設けられた第2の鍔部とを有するドラムコアと、
前記巻芯部に巻回された複数のワイヤと、
前記第1の鍔部の前記軸方向と平行な第1の表面及び前記第2の鍔部の前記軸方向と平行な第2の表面と対向するよう、前記ドラムコアに固定された板状コアと、を備え、
前記巻芯部の前記軸方向と直交する断面の面積をS1とし、前記板状コアと前記第1又は第2の表面の対向面積をS2とした場合、S1/S2の値が0.19以上、0.47未満であることを特徴とするパルストランス。 - 前記S1/S2の値が0.38以下であることを特徴とする請求項1に記載のパルストランス。
- 前記S1/S2の値が0.21以上であることを特徴とする請求項1又は2に記載のパルストランス。
- 前記ドラムコアは、前記軸方向における長さが3mm以上、5mm以下であり、前記軸方向と交差し、且つ、前記第1及び第2の平面と平行な第1の方向における幅が3mm以上、4mm以下であることを特徴とする請求項1乃至3のいずれか一項に記載のパルストランス。
- 前記S1の値が0.85mm2以上、1.43mm2未満であることを特徴とする請求項4に記載のパルストランス。
- 前記第1の鍔部に形成された一対の1次側信号端子及び2次側センタータップと、
前記第2の鍔部に形成された一対の2次側信号端子及び1次側センタータップと、をさらに備え、
前記複数のワイヤの一端は、それぞれ前記一対の1次側信号端子及び前記2次側センタータップのいずれかに接続され、
前記複数のワイヤの他端は、それぞれ前記一対の2次側信号端子及び前記1次側センタータップのいずれかに接続されることを特徴とする請求項4又は5に記載のパルストランス。 - 前記巻芯部は、前記第1及び第2の平面と平行な第1の方向における幅よりも、前記軸方向及び前記第1の方向と交差する第2の方向における高さの方が大きいことを特徴とする請求項1乃至6のいずれか一項に記載のパルストランス。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017123037A JP6879073B2 (ja) | 2017-06-23 | 2017-06-23 | パルストランス |
US16/012,611 US11133130B2 (en) | 2017-06-23 | 2018-06-19 | Pulse transformer |
CN201810649812.7A CN109119228B (zh) | 2017-06-23 | 2018-06-22 | 脉冲变压器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017123037A JP6879073B2 (ja) | 2017-06-23 | 2017-06-23 | パルストランス |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019009254A JP2019009254A (ja) | 2019-01-17 |
JP6879073B2 true JP6879073B2 (ja) | 2021-06-02 |
Family
ID=64693571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017123037A Active JP6879073B2 (ja) | 2017-06-23 | 2017-06-23 | パルストランス |
Country Status (3)
Country | Link |
---|---|
US (1) | US11133130B2 (ja) |
JP (1) | JP6879073B2 (ja) |
CN (1) | CN109119228B (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD798814S1 (en) | 2014-12-02 | 2017-10-03 | Tdk Corporation | Coil component |
JP6834865B2 (ja) * | 2017-09-12 | 2021-02-24 | 株式会社村田製作所 | ドラム状コアおよびコイル部品 |
JP6958520B2 (ja) * | 2018-09-11 | 2021-11-02 | 株式会社村田製作所 | コイル部品 |
JP7205365B2 (ja) * | 2019-04-19 | 2023-01-17 | 株式会社村田製作所 | コイル部品 |
JP7147699B2 (ja) * | 2019-07-04 | 2022-10-05 | 株式会社村田製作所 | インダクタ部品 |
CN110310806B (zh) * | 2019-07-31 | 2021-07-09 | 东莞铭普光磁股份有限公司 | 一种电流互感器 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3159195B2 (ja) * | 1999-01-18 | 2001-04-23 | 株式会社村田製作所 | 巻線型コモンモードチョークコイル |
JP3395764B2 (ja) * | 2000-07-17 | 2003-04-14 | 株式会社村田製作所 | チップ型コモンモードチョークコイル |
JP4421436B2 (ja) * | 2004-09-30 | 2010-02-24 | 太陽誘電株式会社 | 面実装コイル部品 |
JP2009302321A (ja) * | 2008-06-13 | 2009-12-24 | Tdk Corp | コイル部品及びその製造方法 |
JP4737268B2 (ja) | 2008-10-31 | 2011-07-27 | Tdk株式会社 | 表面実装型パルストランス並びにその製造方法及び製造装置 |
CN203456223U (zh) * | 2012-10-16 | 2014-02-26 | Tdk株式会社 | 脉冲变压器 |
JP5809199B2 (ja) * | 2012-10-16 | 2015-11-10 | Tdk株式会社 | パルストランス |
JP5844765B2 (ja) * | 2013-03-27 | 2016-01-20 | Tdk株式会社 | パルストランス及びこれを備えた回路部品 |
JP5771232B2 (ja) * | 2013-03-29 | 2015-08-26 | Tdk株式会社 | パルストランス |
JP2014207368A (ja) * | 2013-04-15 | 2014-10-30 | 株式会社村田製作所 | コモンモードチョークコイル |
JP6264805B2 (ja) * | 2013-09-25 | 2018-01-24 | Tdk株式会社 | パルストランス |
JP6357950B2 (ja) * | 2014-04-03 | 2018-07-18 | Tdk株式会社 | コイル部品 |
JP6578630B2 (ja) * | 2014-06-19 | 2019-09-25 | Tdk株式会社 | コイル部品及びその製造方法 |
US9715961B2 (en) * | 2014-12-02 | 2017-07-25 | Tdk Corporation | Pulse transformer |
CN105825997B (zh) * | 2015-01-22 | 2019-03-22 | 株式会社村田制作所 | 线圈部件 |
JP6445396B2 (ja) * | 2015-06-09 | 2018-12-26 | 太陽誘電株式会社 | コモンモードフィルタ |
JP6695136B2 (ja) * | 2015-12-11 | 2020-05-20 | 株式会社村田製作所 | 巻線型インダクタ |
JP6477591B2 (ja) * | 2016-05-13 | 2019-03-06 | 株式会社村田製作所 | セラミックコア、巻線型電子部品及びセラミックコアの製造方法 |
JP6477592B2 (ja) * | 2016-05-13 | 2019-03-06 | 株式会社村田製作所 | セラミックコア、巻線型電子部品及びセラミックコアの製造方法 |
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2017
- 2017-06-23 JP JP2017123037A patent/JP6879073B2/ja active Active
-
2018
- 2018-06-19 US US16/012,611 patent/US11133130B2/en active Active
- 2018-06-22 CN CN201810649812.7A patent/CN109119228B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US20180374632A1 (en) | 2018-12-27 |
CN109119228A (zh) | 2019-01-01 |
JP2019009254A (ja) | 2019-01-17 |
US11133130B2 (en) | 2021-09-28 |
CN109119228B (zh) | 2020-08-04 |
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