WO2022085541A1 - 変圧器 - Google Patents
変圧器 Download PDFInfo
- Publication number
- WO2022085541A1 WO2022085541A1 PCT/JP2021/037939 JP2021037939W WO2022085541A1 WO 2022085541 A1 WO2022085541 A1 WO 2022085541A1 JP 2021037939 W JP2021037939 W JP 2021037939W WO 2022085541 A1 WO2022085541 A1 WO 2022085541A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- conductor
- diameter
- substrate
- conductors
- annular
- Prior art date
Links
- 239000004020 conductor Substances 0.000 claims abstract description 209
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000758 substrate Substances 0.000 claims description 81
- 239000000696 magnetic material Substances 0.000 claims description 5
- 230000035515 penetration Effects 0.000 claims 3
- 238000003780 insertion Methods 0.000 description 22
- 230000037431 insertion Effects 0.000 description 22
- 238000004804 winding Methods 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 239000011889 copper foil Substances 0.000 description 4
- 239000012212 insulator Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F30/00—Fixed transformers not covered by group H01F19/00
- H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
- H01F30/16—Toroidal transformers
-
- 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
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/266—Fastening or mounting the core on casing or 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
- H01F27/28—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
- H01F27/2847—Sheets; Strips
-
- 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
- H01F27/2847—Sheets; Strips
- H01F27/2852—Construction of conductive connections, of leads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F30/00—Fixed transformers not covered by group H01F19/00
- H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
- H01F30/10—Single-phase transformers
-
- 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
- H01F27/2804—Printed windings
- H01F2027/2814—Printed windings with only part of the coil or of the winding in the printed circuit board, e.g. the remaining coil or winding sections can be made of wires or sheets
Definitions
- the embodiment of the present invention relates to a transformer.
- a transformer having a magnetic material as an iron core and a primary coil and a secondary coil formed by winding a linear member such as a coaxial wire around the magnetic material is generally used.
- a core As related techniques, a core, a primary winding formed so as to penetrate the core and having a high potential, a secondary winding formed inside the primary winding and having a low potential, and 1
- a transformer characterized by having four rod-shaped primary winding winding frames for holding the next winding and a side plate for fixing the primary winding winding frame and forming an air passage window. It is known (see, for example, Patent Document 1).
- the present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a technique capable of further suppressing conductor loss in a transformer.
- the transformer of the present embodiment has an annular core which is a magnetic material formed in a hollow annular shape and a primary coil configured to be wound around the annular core by a plate-shaped conductor. And a secondary coil configured to be wound around the annular iron core by a plate-shaped conductor.
- the conductor loss in the transformer can be further suppressed.
- FIG. 1 is a perspective view of the transformer viewed from above
- FIGS. 2 and 3 are exploded perspective views of the transformer viewed from above and below, respectively.
- the transformer 1 includes a first lower substrate 11, a second lower substrate 12, an annular core 13, a second upper substrate 14, and a first upper substrate 15.
- An annular iron core 13 formed of a magnetic material such as a ferrite core in a hollow annular shape is wound along the circumferential direction by the first lower substrate 11, a part of the second lower substrate 12, and the first upper substrate 15.
- the primary coil L1 formed as described above is configured.
- the second lower substrate 12 and the second upper substrate 14 constitute a secondary coil L2 formed so as to wind the annular iron core 13 along its circumferential direction.
- the transformer 1 is configured so that the primary coil L1 covers the secondary coil L2, that is, the secondary coil L2 is closer to the annular core 13 than the primary coil L1.
- the direction orthogonal to the radial direction with respect to the circular center O (see FIG. 12) of the annular core 13 formed in an annular shape, that is, the vertical direction through the hollow hole in the annular core 13.
- the shape of the annular iron core 13 may be formed in an annular shape, and may be formed in a frame shape, for example.
- the first lower substrate 11 includes a substrate 110 having an insulator formed in a flat plate shape, five first-diameter outer conductors 111, six first-diameter inner conductors 112, and a first. It has five first lower conductors 113 that electrically connect the 1st diameter outer conductor 111 and the 1st diameter inner conductor 112, and a connection terminal 113A for connecting the transformer 1 to an external device.
- the first-diameter outer conductor 111 and the first-diameter inner conductor 112 follow the outer wall (outer diameter side surface) and inner wall (inner diameter side surface) of the annular core 13 by a predetermined distance in the circumferential direction and have a predetermined height, respectively. It is a conductor formed in the shape of a plate, and is formed as a copper plate in the present embodiment.
- Each of the six first-diameter inner conductors 112 is arranged at equal intervals in the circumferential direction of the annular core 13.
- Each of the five first-diameter outer conductors 111 is provided corresponding to five first-diameter inner conductors 112 of the six first-diameter inner conductors 112 and is above the corresponding first-diameter inner conductor 112. It is arranged so as to be shifted clockwise (counterclockwise in FIG. 5) in the circumferential direction when viewed from the viewpoint.
- the first lower conductor 113 and the connection terminal 113A are both conductor patterns printed on the bottom surface of the substrate 110, and are formed as copper foil in the present embodiment.
- the first-diameter outer conductor 111 and the first-diameter inner conductor 112 are penetrated from above to below through the substrate 110 so as to project upward from the upper surface of the substrate 110 and be supported, and at this time, from the bottom surface of the substrate 110. Its lower end is designed to project slightly downward.
- the first lower conductor 113 is formed so as to connect the corresponding first diameter outer conductor 111 and the first diameter inner conductor 112, and the first diameter outer conductor 111 and the first diameter inner conductor 112 are the first lower conductors.
- the first-diameter inner conductor 112 lacking the corresponding first-diameter outer conductor 111 is soldered to the connection terminal 113A.
- (Second lower substrate) 6 and 7 are a plan view and a bottom view showing the configuration of the second lower substrate, respectively.
- 8 and 9 are enlarged views of main parts showing the first connecting conductor and the second connecting conductor, respectively.
- the second lower substrate 12 includes a substrate 120 having an insulator formed in a flat plate shape, six second-diameter outer conductors 121, and six second-diameter inner conductors 122.
- the second-diameter outer conductor 121 and the second-diameter inner conductor 122 follow the outer wall (outer diameter side surface) and inner wall (inner diameter side surface) of the annular core 13 by a predetermined distance in the circumferential direction and have a predetermined height, respectively.
- It is a conductor formed in the shape of a plate, and is formed as a copper plate in the present embodiment.
- Each of the six second-diameter outer conductors 121 and the six second-diameter inner conductors 122 are arranged at equal intervals in the circumferential direction of the annular iron core 13.
- Each of the six second-diameter outer conductors 121 is provided corresponding to the six second-diameter inner conductors 122, and is clockwise with respect to the corresponding second-diameter inner conductor 122 in the circumferential direction. It is arranged so as to be offset (counterclockwise in FIG. 7).
- the second lower conductor 123 and the second connecting conductor 123A are conductor patterns printed on the bottom surface of the substrate 120, and the first connecting conductor 128 and the connection terminal 129 are conductor patterns printed on the upper surface of the substrate 120. In this embodiment, all of them are formed as copper foil.
- the second-diameter outer conductor 121 and the second-diameter inner conductor 122 are penetrated from above to below through the substrate 120 so as to project upward from the upper surface of the substrate 120 and be supported, and at this time, from the bottom surface of the substrate 120. Its lower end is designed to project slightly downward.
- the second lower conductor 123 is formed so as to connect the corresponding second diameter outer conductor 121 and the second diameter inner conductor 122, and the second diameter outer conductor 121 and the second diameter inner conductor 122 are the second lower conductors. It is electrically connected by being soldered to 123 and fixed to the substrate 120.
- one of the six second diameter outer conductors 121 is supported by the substrate 120 in a non-penetrating state, and corresponds to the corresponding second in the unassembled state in which the second upper substrate 14 is not assembled. Not electrically connected to the inner diameter conductor 122.
- the second-diameter outer conductor 121 which is not connected to the second-diameter inner conductor 122 in the unassembled state, is electrically connected to the connection terminal 129 formed on the upper surface of the substrate 120 by being soldered.
- the second diameter inner conductor 122 which is not connected to the second diameter outer conductor 121 in the unassembled state, is electrically connected to the second connection conductor 123A by being soldered.
- the first-diameter outer conductor 111A is a substrate so as to straddle the second-diameter outer conductor 121 that is not connected to the second-diameter inner conductor 122 and the second-diameter outer conductor 121 arranged on the clockwise side in the circumferential direction. It is supported on the 120 and electrically connected to the first connecting conductor 128 by being soldered.
- the first diameter outer conductor 111A is included and collectively referred to as the first diameter outer conductor 111.
- the substrate 120 vertically penetrates a region straddling two second diameter outer conductors 121 adjacent to each other in the circumferential direction on the outer diameter of the second diameter outer conductor 121.
- An insertion hole 126 is provided.
- the first diameter outer conductor 111 and the first diameter inner conductor 112 in the first lower substrate 11 are inserted into the first diameter outer insertion hole 125 and the first diameter inner insertion hole 126 from below.
- the lower substrate 11 and the second lower substrate 12 are assembled, and at this time, in the radial direction, the second outer diameter outer conductor 111 and the first inner diameter outer conductor 111A and the first inner diameter inner conductor 112 are separated from each other.
- the conductor 121 and the second inner diameter conductor 122 will be located.
- the first connecting conductor 128 has a connecting portion C1, and as shown in FIG. 9, the second connecting conductor 123A extends outward in diameter and further clockwise on the circumferential direction (in FIG. 7).
- FIG. 10 is a plan view showing the second upper substrate.
- the second upper substrate 14 has six thirds that electrically connect the substrate 140 in which the insulator is formed in a flat plate shape, the second diameter outer conductor 121, and the second diameter inner conductor 122. It has 2 upper conductors 143 and.
- the second upper conductor 143 is a conductor pattern printed on the upper surface of the substrate 140, and is formed as a copper foil in the present embodiment.
- the second upper conductor 143 counterclockwise in the circumferential direction when each of the six second inner diameter conductors 122 is viewed from above with respect to the second outer diameter outer conductor 121 connected by the second lower conductor 123. It is electrically connected to the second diameter outer conductor 121 adjacent to the.
- the substrate 140 has six second-diameter outer insertion holes 141 that are arranged apart from each other in the circumferential direction in accordance with the second-diameter outer conductor 121 and penetrate vertically, and the circumferential direction according to the second-diameter inner conductor 122.
- Six second-diameter insertion holes 142 that are spaced apart from each other and penetrate vertically, and six that are spaced apart from each other in the circumferential direction and penetrate vertically according to the first-diameter outer conductors 111 and 111A.
- a first-diameter outer insertion hole 145 and six first-diameter inner insertion holes 146 that are arranged apart from each other in the circumferential direction in accordance with the first-diameter inner conductor 112 and penetrate vertically are provided.
- the second diameter outer conductor 121 and the second diameter inner conductor 122 in the second lower substrate 12 are assembled by inserting the first diameter outer conductor 111A from below.
- the annular iron core 13 is arranged between the second lower substrate 12 and the second upper substrate 14 in a state of being sandwiched between the second outer diameter conductor 121 and the second inner diameter inner conductor 122 in the radial direction.
- the upper ends of the second diameter outer conductor 121 and the second diameter inner conductor 122 slightly project upward from the second diameter outer insertion hole 141 and the second diameter inner insertion hole 142.
- soldering each of the second diameter outer conductor 121 and the second diameter inner conductor 122 slightly protruding upward to the second upper conductor 143 the second diameter outer conductor 121 and the second diameter inner conductor 122 are formed. Is electrically connected above.
- the first diameter outer conductor 111 and the first diameter inner conductor 112 in the substrate 11 from below the first lower substrate 11 and the second upper substrate 14 are further assembled.
- FIG. 11 is a plan view showing the first upper substrate.
- the first upper substrate 15 has six thirds that electrically connect the substrate 150 in which the insulator is formed in a flat plate shape, the first diameter outer conductor 111, and the first diameter inner conductor 112. It has 1 upper conductor 153.
- the first upper conductor 153 is a conductor pattern printed on the upper surface of the substrate 150, and is formed as a copper foil in the present embodiment.
- the first upper conductor 153 makes each of the six first inner diameter conductors 112 counterclockwise in the circumferential direction when viewed from above with respect to the first diameter outer conductor 111 connected by the first lower conductor 113. It is electrically connected to the adjacent first diameter outer conductor 111.
- the substrate 150 is aligned with the six first-diameter outer insertion holes 151, which are arranged apart from each other in the circumferential direction in accordance with the first-diameter outer conductors 111 and 111A and penetrate vertically, and the first-diameter inner conductor 112.
- Six first-diameter insertion holes 152 are provided which are arranged apart from each other in the circumferential direction and penetrate vertically.
- the first diameter outer conductor 111 and the first diameter in the first lower substrate 11 assembled to the second lower substrate 12 and the second upper substrate 14 with respect to the first diameter outer insertion hole 151 and the first diameter inner insertion hole 152.
- the first lower substrate 11, the second lower substrate 12, the second upper substrate 14, and the first upper substrate 15 are assembled, and at this time, the first lower substrate 12 in the second lower substrate 12 is assembled.
- the 1-diameter outer conductor 111A is inserted into the 1st-diameter outer insertion hole 151 from below.
- the first diameter outer conductors 111, 111A and the first diameter inner conductor 112 slightly protrude upward from the first diameter outer insertion hole 151 and the first diameter inner insertion hole 152, and above this.
- soldering each of the first diameter outer conductor 111 and the first diameter inner conductor 112 slightly protruding to the first upper conductor 153 the first diameter outer conductors 111, 111A and the first diameter inner conductor 112 are formed. Is electrically connected above.
- the primary coil L1 and the secondary coil L2 are formed in a plate shape, the conductor loss due to the skin effect is reduced and the heat dissipation characteristics are reduced as compared with the coil formed by the coaxial line. Can be improved. Further, among the conductors constituting the primary coil L1 and the secondary coil L2, by forming the upper and lower conductors with a conductor pattern formed on the substrate, all the components of the primary coil L1 and the secondary coil L2 are plate-shaped. It is possible to produce at a lower cost as compared with the case of using the conductor of.
- FIG. 12 is an explanatory diagram showing the arrangement of conductors.
- 13 and 14 are explanatory views showing the connection relationship between the primary coil and the secondary coil, respectively.
- FIG. 15 is an equivalent circuit diagram showing a transformer according to the present embodiment.
- each of the six first-diameter outer conductors 111 is adjacent to the first-diameter outer conductor 111. It is arranged so as to be rotated by 60 ° in the circumferential direction with respect to the conductor 111.
- each of the six first-diameter inner conductors 112, the six second-diameter outer conductors 121, and the six second-diameter inner conductors 122 is rotated by 60 ° with respect to the adjacent conductors. Be distributed.
- first-diameter outer conductors 111 and the six first-diameter inner conductors 112 are arranged so as to rotate by 30 ° with each other as a whole, and similarly, the six second-diameter outer conductors 121 and the sixth thirth.
- the two-diameter inner conductors 122 are arranged so as to rotate about 30 ° with each other as a whole.
- the first diameter outer conductor 111 and the first diameter inner conductor 112 are arranged at different angular positions in the circumferential direction, and the second diameter outer conductor 121 and the second diameter inner conductor 122 are arranged.
- the first diameter outer conductor 111 and the second outer diameter conductor 121, or the first inner diameter inner conductor 112 and the second inner diameter inner conductor 122 are arranged at different angular positions in the circumferential direction.
- the primary coil L1 and the secondary coil L2 are arranged at different angle positions in the circumferential direction, and in the present embodiment, at different angle positions by 30 °. That is, the primary coil L1 and the secondary coil L2 are arranged so as to differ by half the angle (60 °) between the two adjacent conductors.
- the transformer configured by the coaxial line or the like, transmission is performed in a uniform TEM (Transverse ElectroMagnetic) mode for the pointing vector, but in the transformer 1 according to the present embodiment, the coil as described above is used. Due to the configuration of, the electromagnetic field changes depending on the position.
- the primary coil L1 and the secondary coil L2 are 30 in the circumferential direction. ° Offset arrangement.
- first-diameter outer conductor 111 and the second-diameter outer conductor 121 have a circumferential length in which the first-diameter outer conductor 111 and two second-diameter outer conductors 121 adjacent thereto have overlapping in the radial direction.
- first diameter inner conductor 112 and the second inner diameter inner conductor 122 overlap in the radial direction. It is formed to have a directional length. As a result, the leakage flux in the coil can be reduced, and by extension, the leakage inductance in the transformer 1 can be reduced.
- each of the first inner diameter conductors 112 is connected to the first inner diameter outer conductor 111 located clockwise by the first lower conductor 113 in the circumferential direction, and the first upper conductor 153.
- the primary coil L1 that winds the annular iron core 13 is configured by the conductor formed in a plate shape.
- each of the second inner diameter conductors 122 is connected to the second inner diameter outer conductor 121 located clockwise by the second lower conductor 123 in the circumferential direction, and is also connected to the second inner diameter conductor 121.
- the secondary coil L2 around which the annular iron core 13 is wound is configured by the conductor formed in the shape of a plate.
- FIG. 15 An equivalent circuit as shown in FIG. 15 in which the primary coil L1 and the secondary coil L2 configured in this way are electrically connected to the first connecting conductor 128 and the second connecting conductor 123A at their ends. Is configured.
- the turns ratio between the primary coil L1 and the secondary coil L2 is 1: 2, whereas the turns ratio is 1: 1.
- the line length of the coil can be shortened to improve the high frequency characteristics and reduce the conductor loss.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
Description
本実施形態に係る変圧器の概略構成について説明する。図1は、変圧器を上方から見た斜視図であり、図2,3は、それぞれ、変圧器を上方、下方から見た分解斜視図である。
第1下方基板の構成について説明する。図4,5は、それぞれ、第1下方基板の構成を示す平面図、底面図である。
図6,7は、それぞれ、第2下方基板の構成を示す平面図、底面図である。図8,9は、それぞれ、第1接続導体、第2接続導体を示す要部拡大図である。
第2上方基板の構成について説明する。図10は、第2上方基板を示す平面図である。
第1上方基板の構成について説明する。図11は、第1上方基板を示す平面図である。
一次コイル及び二次コイルの構成について説明する。図12は、導体の配置を示す説明図である。図13,14は、それぞれ、一次コイル、二次コイルにおける接続関係を示す説明図である。図15は、本実施形態に係る変圧器を示す等価回路図である。
L1 一次コイル
L2 二次コイル
Claims (7)
- 中空環状に形成された磁性体である環状鉄心と、
板状の導体により前記環状鉄心に巻回されるように構成された一次コイルと、
板状の導体により前記環状鉄心に巻回されるように構成された二次コイルと
を備えた変圧器。 - 前記一次コイルと前記二次コイルのそれぞれは、前記環状鉄心の中空孔の貫通方向に直交する側方向において前記環状鉄心を挟み込むように配された側導体と、前記貫通方向両側において前記側導体を電気的に接続する上方導体及び下方導体とにより構成されることを特徴とする請求項1に記載の変圧器。
- 前記側導体は、前記側方向に延在する基板により支持され、前記上方導体及び前記下方導体は、前記基板に形成された導体パターンとして形成されることを特徴とする請求項2に記載の変圧器。
- 前記二次コイルは、前記一次コイルよりも前記環状鉄心に近接するように巻回されることを特徴とする請求項2または請求項3に記載の変圧器。
- 前記一次コイル及び前記二次コイルは、前記貫通方向及び前記側方向において、少なくとも一部が重複するように前記環状鉄心に対して配されることを特徴とする請求項4に記載の変圧器。
- 前記一次コイル及び前記二次コイルは、互いに電気的に接続され、巻数比が1:1であることを特徴とする請求項1~請求項5のいずれか一項に記載の変圧器。
- 前記環状鉄心は中空円環状に形成され、
前記二次コイルは、前記一次コイルに対して、周方向にオフセットされて配されることを特徴とする請求項6に記載の変圧器。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2022557052A JPWO2022085541A1 (ja) | 2020-10-20 | 2021-10-13 | |
KR1020237010412A KR20230091089A (ko) | 2020-10-20 | 2021-10-13 | 변압기 |
US18/025,224 US20240029950A1 (en) | 2020-10-20 | 2021-10-13 | Transformer |
CN202180062918.7A CN116097380A (zh) | 2020-10-20 | 2021-10-13 | 变压器 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020176183 | 2020-10-20 | ||
JP2020-176183 | 2020-10-20 |
Publications (1)
Publication Number | Publication Date |
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WO2022085541A1 true WO2022085541A1 (ja) | 2022-04-28 |
Family
ID=81290808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2021/037939 WO2022085541A1 (ja) | 2020-10-20 | 2021-10-13 | 変圧器 |
Country Status (5)
Country | Link |
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US (1) | US20240029950A1 (ja) |
JP (1) | JPWO2022085541A1 (ja) |
KR (1) | KR20230091089A (ja) |
CN (1) | CN116097380A (ja) |
WO (1) | WO2022085541A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007150022A (ja) * | 2005-11-29 | 2007-06-14 | Seiko Epson Corp | 電子基板、その製造方法および電子機器 |
JP2015050459A (ja) * | 2013-08-30 | 2015-03-16 | サムソン エレクトロ−メカニックス カンパニーリミテッド. | コイル部品及びこれを用いる電子モジュール |
WO2016076121A1 (ja) * | 2014-11-12 | 2016-05-19 | 株式会社村田製作所 | 電源モジュールおよびその実装構造 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7144340B2 (ja) | 2019-02-15 | 2022-09-29 | 株式会社日立インダストリアルプロダクツ | 変圧器 |
-
2021
- 2021-10-13 JP JP2022557052A patent/JPWO2022085541A1/ja active Pending
- 2021-10-13 US US18/025,224 patent/US20240029950A1/en active Pending
- 2021-10-13 CN CN202180062918.7A patent/CN116097380A/zh active Pending
- 2021-10-13 WO PCT/JP2021/037939 patent/WO2022085541A1/ja active Application Filing
- 2021-10-13 KR KR1020237010412A patent/KR20230091089A/ko unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007150022A (ja) * | 2005-11-29 | 2007-06-14 | Seiko Epson Corp | 電子基板、その製造方法および電子機器 |
JP2015050459A (ja) * | 2013-08-30 | 2015-03-16 | サムソン エレクトロ−メカニックス カンパニーリミテッド. | コイル部品及びこれを用いる電子モジュール |
WO2016076121A1 (ja) * | 2014-11-12 | 2016-05-19 | 株式会社村田製作所 | 電源モジュールおよびその実装構造 |
Also Published As
Publication number | Publication date |
---|---|
KR20230091089A (ko) | 2023-06-22 |
US20240029950A1 (en) | 2024-01-25 |
CN116097380A (zh) | 2023-05-09 |
JPWO2022085541A1 (ja) | 2022-04-28 |
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