JP2018082088A - コイルユニット - Google Patents
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- JP2018082088A JP2018082088A JP2016224195A JP2016224195A JP2018082088A JP 2018082088 A JP2018082088 A JP 2018082088A JP 2016224195 A JP2016224195 A JP 2016224195A JP 2016224195 A JP2016224195 A JP 2016224195A JP 2018082088 A JP2018082088 A JP 2018082088A
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 123
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 80
- 230000004907 flux Effects 0.000 claims abstract description 44
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 230000004308 accommodation Effects 0.000 claims description 21
- 238000004804 winding Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 4
- 238000005304 joining Methods 0.000 claims description 2
- 239000000696 magnetic material Substances 0.000 claims 1
- 238000003860 storage Methods 0.000 abstract description 2
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 9
- 239000000758 substrate Substances 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 229910000838 Al alloy Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
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- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- 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
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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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0007—Measures or means for preventing or attenuating collisions
- B60L3/0015—Prevention of collisions
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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
-
- 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
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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
- H01F27/04—Leading of conductors or axles through casings, e.g. for tap-changing arrangements
-
- 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
- H01F27/30—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
- H01F27/34—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
- 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
-
- 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
- H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
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- H02J7/025—
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- 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
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/40—The network being an on-board power network, i.e. within a vehicle
- H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Regulation Of General Use Transformers (AREA)
- Coils Or Transformers For Communication (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
Description
図5は、比較例に係るコイルユニットにおいて配線部材が通過する貫通孔周辺の構成を示す断面図である。図5を参照して、比較例に係るコイルユニット4Xについて説明する。
Claims (4)
- 所定の方向において互いに対向し、互いに接合されることで内側に収容空間を形成する第1ケース部および第2ケース部と、
前記収容空間内に配置されたフェライト板、コイル、およびシールド部材と、
前記第2ケース部に取り付けられ、前記コイルに電気接続された配線部材を前記収容空間の内部から外部に取り出すための封止部材と、を備え、
前記第1ケース部は、第1板状部と、前記第1板状部の周縁から起立するように設けられた第1周壁部と、前記第1周壁部の起立方向における前記第1周壁部の先端に位置する第1接合面と、を含み、かつ、磁束を透過し、
前記第2ケース部は、前記第1板状部に対向して配置された第2板状部と、前記第2板状部の周縁から起立するように設けられた第2周壁部と、前記第2周壁部の起立方向における前記第2周壁部の先端に位置する第2接合面と、を含み、かつ、磁束を遮蔽し、
前記第1ケース部および前記第2ケース部は、前記第1接合面と前記第2接合面とが互いに接合されることにより前記収容空間を形成し、
前記フェライト板は、前記フェライト板の厚さ方向が前記所定の方向と平行となるように前記収容空間内に配置され、
前記コイルは、前記コイルの巻回軸が前記所定の方向と平行となるように前記第1板状部と前記フェライト板との間に配置され、
前記シールド部材は、前記フェライト板を支持するように前記第2板状部と前記フェライト板との間に配置され、
前記第1接合面と前記第2接合面とが互いに接合されている部分の少なくとも一部は、前記所定の方向と平行な方向において、前記フェライト板の位置よりも前記第2板状部寄りに位置し、
前記第2ケース部は、前記所定の方向と平行な方向から見た場合に前記第2周壁部の位置から外側に突出する突出部と、前記収容空間に連通するように前記突出部および前記第2周壁部を貫通し、内部に前記配線部材および前記封止部材が配置される貫通孔と、をさらに含み、
前記貫通孔を規定する前記第2ケース部の内周面は、前記所定の方向と平行な方向から見た場合に前記第2接合面と重ならない位置であって前記収容空間が位置する側とは反対側の端部に設けられた大径部と、前記大径部と前記収容空間とを接続し前記大径部よりも小さい内径を有する小径部とを含み、
前記封止部材は、前記大径部内に配置されている、コイルユニット。 - 前記第1接合面と前記第2接合面とが互いに接合されている前記部分の全部が、前記所定の方向と平行な方向において、前記フェライト板の位置よりも前記第2板状部寄りに位置する、請求項1に記載のコイルユニット。
- 前記突出部は、第1筒状部と、前記所定の方向から見た場合に前記第1筒状部の外側に位置し、前記第1筒状部よりも大きな外径を有する第2筒状部と、を含み、
前記第2接合面に接続される前記第1筒状部の外周面の一部は、前記第2接合面と面一であり、かつ、前記第1筒状部の前記外周面の前記一部に接続される前記第2筒状部の外周面の一部よりも前記第2板状部寄りに位置しており、
前記第2筒状部の内側に前記大径部が形成されている、請求項1または2に記載のコイルユニット。 - 前記小径部を形成する前記第2ケース部の前記内周面は、前記収容空間側から前記第2ケース部の外部側に向かうにつれて周長が長くなるテーパー形状部を有する、請求項1から3のいずれか1項に記載のコイルユニット。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016224195A JP6477671B2 (ja) | 2016-11-17 | 2016-11-17 | コイルユニット |
CN201710887587.6A CN108074710B (zh) | 2016-11-17 | 2017-09-27 | 线圈单元 |
US15/722,674 US10170236B2 (en) | 2016-11-17 | 2017-10-02 | Coil unit |
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JP2016224195A JP6477671B2 (ja) | 2016-11-17 | 2016-11-17 | コイルユニット |
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JP2018082088A true JP2018082088A (ja) | 2018-05-24 |
JP6477671B2 JP6477671B2 (ja) | 2019-03-06 |
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JP2016224195A Active JP6477671B2 (ja) | 2016-11-17 | 2016-11-17 | コイルユニット |
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US (1) | US10170236B2 (ja) |
JP (1) | JP6477671B2 (ja) |
CN (1) | CN108074710B (ja) |
Cited By (2)
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KR20210071528A (ko) * | 2019-12-06 | 2021-06-16 | 주식회사 아모센스 | 전기자동차용 무선전력 수신장치 |
JP7330348B1 (ja) | 2022-07-01 | 2023-08-21 | 大日本印刷株式会社 | コイルユニット |
Families Citing this family (4)
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JP7043187B2 (ja) * | 2017-06-14 | 2022-03-29 | 矢崎総業株式会社 | シールド部材及び電力伝送ユニット |
US11309125B2 (en) * | 2017-06-14 | 2022-04-19 | Yazaki Corporation | Power transmission unit and power transmission coil |
JP2019179907A (ja) * | 2018-03-30 | 2019-10-17 | 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 |
JP7180267B2 (ja) * | 2018-10-12 | 2022-11-30 | トヨタ自動車株式会社 | コイルユニット |
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2016
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2017
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- 2017-10-02 US US15/722,674 patent/US10170236B2/en active Active
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KR20210071528A (ko) * | 2019-12-06 | 2021-06-16 | 주식회사 아모센스 | 전기자동차용 무선전력 수신장치 |
KR102565040B1 (ko) * | 2019-12-06 | 2023-08-09 | 주식회사 아모센스 | 전기자동차용 무선전력 수신장치 |
US11962161B2 (en) | 2019-12-06 | 2024-04-16 | Amosense Co., Ltd | Wireless power receiving device for electric vehicle |
JP7330348B1 (ja) | 2022-07-01 | 2023-08-21 | 大日本印刷株式会社 | コイルユニット |
JP2024006880A (ja) * | 2022-07-01 | 2024-01-17 | 大日本印刷株式会社 | コイルユニット |
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CN108074710B (zh) | 2019-09-17 |
US20180137970A1 (en) | 2018-05-17 |
CN108074710A (zh) | 2018-05-25 |
US10170236B2 (en) | 2019-01-01 |
JP6477671B2 (ja) | 2019-03-06 |
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