JP6458678B2 - コイルユニット - Google Patents
コイルユニット Download PDFInfo
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- JP6458678B2 JP6458678B2 JP2015155439A JP2015155439A JP6458678B2 JP 6458678 B2 JP6458678 B2 JP 6458678B2 JP 2015155439 A JP2015155439 A JP 2015155439A JP 2015155439 A JP2015155439 A JP 2015155439A JP 6458678 B2 JP6458678 B2 JP 6458678B2
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- coil
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- power transmission
- ferrite
- magnetic flux
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- 229910000859 α-Fe Inorganic materials 0.000 claims description 115
- 229910052751 metal Inorganic materials 0.000 claims description 51
- 239000002184 metal Substances 0.000 claims description 51
- 238000004804 winding Methods 0.000 claims description 45
- 239000003990 capacitor Substances 0.000 claims description 23
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 description 195
- 230000004907 flux Effects 0.000 description 114
- 230000002093 peripheral effect Effects 0.000 description 42
- 230000008878 coupling Effects 0.000 description 29
- 238000010168 coupling process Methods 0.000 description 29
- 238000005859 coupling reaction Methods 0.000 description 29
- 239000010410 layer Substances 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 10
- 238000005192 partition Methods 0.000 description 10
- 239000012790 adhesive layer Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229910001289 Manganese-zinc ferrite Inorganic materials 0.000 description 1
- 229910001053 Nickel-zinc ferrite Inorganic materials 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- JIYIUPFAJUGHNL-UHFFFAOYSA-N [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] JIYIUPFAJUGHNL-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
- B60L53/122—Circuits or methods for driving the primary coil, e.g. supplying electric power to the coil
-
- H02J7/025—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
- B60L53/36—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
- B60L53/38—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
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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
- H01F27/02—Casings
-
- 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
- H01F27/2871—Pancake coils
-
- 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
- H01F27/36—Electric or magnetic shields or screens
-
- 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
- H01F27/36—Electric or magnetic shields or screens
- H01F27/363—Electric or magnetic shields or screens made of electrically conductive material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2270/00—Problem solutions or means not otherwise provided for
- B60L2270/10—Emission reduction
- B60L2270/14—Emission reduction of noise
- B60L2270/147—Emission reduction of noise electro magnetic [EMI]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F2003/106—Magnetic circuits using combinations of different magnetic materials
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Description
図1は、非接触充電システム1を模式的に示す模式図であり、図2は、非接触充電システム1を模式的に示す回路図である。図1および図2に示すように、非接触充電システム1は、車両2に搭載された受電ユニット4と、受電ユニット4に非接触で電力を送電する送電装置3とを備える。
図21などを用いて、実施の形態2に係る送電装置3および受電装置5について説明する。なお、上記図1から図20に示す構成のうち、図21などで示す構成と同一または実質的に同じ構成については、同一の符号を付してその説明を省略する場合がある。
上記実施の形態1,2においては、各コイルの中空部内に入射する磁束を反射することで、結合係数の変動を抑制している。結合係数の変動を抑制する方法としては、上記のような手法に限られない。
Claims (3)
- 巻回軸線の周囲を取り囲むように形成され、前記巻回軸線が通る位置に中空部が形成されると共に、前記巻回軸線の延びる方向に配列する第1主面および第2主面とを含む平状のコイルと、
前記第1主面に設けられ、前記巻回軸線の延びる方向に沿って視たときに前記中空部が位置する部分に開口部が形成されたフェライト板と、
前記フェライト板に対して前記コイルと反対側に設けられた金属板と、
前記金属板に対して前記フェライト板と反対側に設けられると共に、前記金属板から間隔をあけて設けられたベース板と、
前記金属板および前記ベース板の間に配置されると共に、前記コイルに接続されたコンデンサと、
前記金属板および前記ベース板の間に配置された低電圧機器と、
前記コイルと、前記フェライト板と、前記金属板と、前記コンデンサと、前記低電圧機器を覆うように、前記ベース板に設けられた樹脂蓋と、
前記樹脂蓋に対して隣り合うように、前記ベース板に設けられた金属蓋と、
前記ベース板および前記金属蓋の間に設けられると共に、前記コンデンサに接続されると共に、前記低電圧機器に印加される電圧よりも高い電圧が印加される高電圧機器と、
を備えた、コイルユニット。 - 前記ベース板には、前記金属板に接続されると共に、前記金属板を支持する金属製の壁が形成された、請求項1に記載のコイルユニット。
- 前記金属板には、前記コイルの中空部に向けて突出する突出部が形成されており、
前記突出部内に前記コンデンサが配置された、請求項1または請求項2に記載のコイルユニット。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015155439A JP6458678B2 (ja) | 2015-08-05 | 2015-08-05 | コイルユニット |
US15/221,151 US10153663B2 (en) | 2015-08-05 | 2016-07-27 | Power transmission apparatus and power reception apparatus |
EP16182506.2A EP3128524B1 (en) | 2015-08-05 | 2016-08-03 | Power transmission apparatus and power reception apparatus |
CN201610628797.9A CN106451817A (zh) | 2015-08-05 | 2016-08-03 | 送电装置以及受电装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015155439A JP6458678B2 (ja) | 2015-08-05 | 2015-08-05 | コイルユニット |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017034195A JP2017034195A (ja) | 2017-02-09 |
JP6458678B2 true JP6458678B2 (ja) | 2019-01-30 |
Family
ID=56567504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015155439A Active JP6458678B2 (ja) | 2015-08-05 | 2015-08-05 | コイルユニット |
Country Status (4)
Country | Link |
---|---|
US (1) | US10153663B2 (ja) |
EP (1) | EP3128524B1 (ja) |
JP (1) | JP6458678B2 (ja) |
CN (1) | CN106451817A (ja) |
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US11528058B2 (en) * | 2016-09-06 | 2022-12-13 | Apple Inc. | Inductive charging coil configuration for wearable electronic devices |
DE102016219476A1 (de) * | 2016-10-07 | 2018-04-12 | Bayerische Motoren Werke Aktiengesellschaft | Induktive Ladeeinheit für ein Fahrzeug |
KR102401219B1 (ko) * | 2016-10-17 | 2022-05-23 | 현대자동차주식회사 | 무선 전력 전송 시스템의 수신 패드 및 그 제조 방법 |
JP2018101725A (ja) * | 2016-12-21 | 2018-06-28 | トヨタ自動車株式会社 | コイルユニット、送電装置、および、受電装置 |
JP6610583B2 (ja) * | 2017-03-09 | 2019-11-27 | Tdk株式会社 | ワイヤレス電力伝送システム |
CN107370245A (zh) * | 2017-07-13 | 2017-11-21 | 上海交通大学 | 一种集成式无线充电线圈及其电能传输系统 |
JP6848763B2 (ja) * | 2017-08-09 | 2021-03-24 | トヨタ自動車株式会社 | コイルユニット |
NL2019416B1 (en) * | 2017-08-14 | 2019-02-21 | Prodrive Tech Bv | Topology of a ferrite shield for inductive coils |
WO2019051109A1 (en) * | 2017-09-06 | 2019-03-14 | Wireless Advanced Vehicle Electrification, Inc. | FERRITE CHIMNEY WIRELESS POWER TRANSFER MAT |
EP3729603B1 (en) | 2017-12-22 | 2023-09-13 | Wireless Advanced Vehicle Electrification, Inc. | Wireless power transfer pad with multiple windings |
US11462943B2 (en) | 2018-01-30 | 2022-10-04 | Wireless Advanced Vehicle Electrification, Llc | DC link charging of capacitor in a wireless power transfer pad |
US11437854B2 (en) | 2018-02-12 | 2022-09-06 | Wireless Advanced Vehicle Electrification, Llc | Variable wireless power transfer system |
DE102018215181A1 (de) * | 2018-09-06 | 2020-01-02 | Continental Automotive Gmbh | Resonator für eine induktive Ladevorrichtung mit vergrößerter Resonatorspule |
CN110445214B (zh) * | 2019-08-14 | 2020-10-02 | 合肥科维特电气科技有限公司 | 一种多功能多应用场景的无线充电结构装置 |
JP7318446B2 (ja) * | 2019-09-20 | 2023-08-01 | Tdk株式会社 | コイルユニット、ワイヤレス送電装置、ワイヤレス受電装置、及びワイヤレス電力伝送システム |
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US9672976B2 (en) * | 2013-10-28 | 2017-06-06 | Nokia Corporation | Multi-mode wireless charging |
JP6131915B2 (ja) * | 2014-06-11 | 2017-05-24 | トヨタ自動車株式会社 | 送電装置および受電装置 |
US10574091B2 (en) * | 2014-07-08 | 2020-02-25 | Witricity Corporation | Enclosures for high power wireless power transfer systems |
DE102014218067A1 (de) * | 2014-09-10 | 2016-03-10 | Robert Bosch Gmbh | Übertragungsspule zur induktiven Energieübertragung |
JP2016134512A (ja) * | 2015-01-20 | 2016-07-25 | トヨタ自動車株式会社 | コイルユニット |
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CN106451817A (zh) | 2017-02-22 |
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US10153663B2 (en) | 2018-12-11 |
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