JP2019022283A - 送電装置及び電力伝送システム - Google Patents
送電装置及び電力伝送システム Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- 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
- B60L53/124—Detection or removal of foreign bodies
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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
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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
- B60L53/126—Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- 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
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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
- B60L53/30—Constructional details of charging stations
- B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
- B60L53/37—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles using optical position determination, e.g. using cameras
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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
- B60L53/30—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
- 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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- 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
- H02J50/60—Circuit arrangements or systems for wireless supply or distribution of electric power responsive to the presence of foreign objects, e.g. detection of living beings
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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
- H02J50/70—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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- 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
- H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
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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
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
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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
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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
- 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
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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
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
図1は、本開示の実施の形態1に従う送電装置を備える電力伝送システムの全体構成図である。図中、矢印Dは鉛直方向下方を示し、矢印Uは鉛直方向上方を示す。図1を参照して、電力伝送システムは、送電装置100と、車両200とを備える。送電装置100は、送電ユニット110と、制御部140と、通信装置150とを含む。車両200は、受電装置210と、蓄電装置220と、車両ECU(Electronic Control Unit)230と、通信装置240とを含む。
上記の実施の形態1では、異物検知優先モード中は位置合わせ処理が非実行とされたが、異物検知優先モードにおいて、異物検知処理を位置合わせ処理よりも優先しつつ、異物検知処理と位置合わせ処理とを交互に実行してもよい。なお、異物検知優先モード中の位置合わせ処理は、位置合わせの完了後に車両200が移動していないことを確認するために行なわれる。すなわち、異物検知優先モード中は、送電装置100から車両200への送電が行なわれているところ、異物検知優先モード中に位置合わせ処理を実行することにより、送電中に車両200が移動していないことを確認することができる。異物検知優先モード中に実行される位置合わせ処理の内容は、位置合わせ優先モード中に実行される位置合わせ処理の内容(カメラ120による画像を用いた送電ユニット110と受電ユニット212との相対位置確認)と同じである。
上記の実施の形態1及び変形例1では、送電開始前の位置合わせ優先モード中は異物検知処理が非実行とされたが、送電開始前においても、異物の検知精度が低下し得ることを認識したうえで異物検知処理を実行したい場合もあり得る。そこで、この変形例2では、送電開始前の位置合わせ優先モードにおいて、位置合わせ処理を異物検知処理よりも優先しつつ、位置合わせ処理と異物検知処理とが交互に実行される。
上記の実施の形態1では、受電装置210の下面に、カメラ120によって受電ユニット212の位置を検知するためのマーカー254,256が設けられ(図3)、カメラ120の撮影画像におけるマーカー254,256の位置から、カメラ120と受電ユニット212との相対位置関係を検知するものとした。
Claims (7)
- 受電装置の受電部へ非接触で送電するように構成された送電部と、
前記送電部の周囲を撮影するように構成された撮影装置と、
前記撮影装置により撮影される画像を用いて、前記送電部と前記受電部との位置合わせを行なう位置合わせ処理、及び、前記送電部と前記受電部との間に異物が存在するか否かを検知する異物検知処理を実行するように構成された制御装置とを備え、
前記制御装置は、
前記送電部から前記受電部への送電が開始される前は、前記位置合わせ処理を前記異物検知処理よりも優先して実行する位置合わせ優先モードで作動し、
前記送電部から前記受電部への送電の実行中は、前記異物検知処理を前記位置合わせ処理よりも優先して実行する異物検知優先モードで作動する、送電装置。 - 前記位置合わせ優先モードでは、所定時間内における前記位置合わせ処理の実行回数が前記異物検知処理の実行回数よりも多くなるように前記位置合わせ処理及び前記異物検知処理が実行され、
前記異物検知優先モードでは、所定時間内における前記異物検知処理の実行回数が前記位置合わせ処理の実行回数よりも多くなるように前記位置合わせ処理及び前記異物検知処理が実行される、請求項1に記載の送電装置。 - 前記位置合わせ優先モードでは、所定時間内における前記位置合わせ処理の実行時間が前記異物検知処理の実行時間よりも長くなるように前記位置合わせ処理及び前記異物検知処理が実行され、
前記異物検知優先モードでは、所定時間内における前記異物検知処理の実行時間が前記位置合わせ処理の実行時間よりも長くなるように前記位置合わせ処理及び前記異物検知処理が実行される、請求項1に記載の送電装置。 - 前記受電装置は、車両に搭載され、
前記制御装置は、前記送電部から前記受電部への送電が開始される前の前記車両の移動中は、前記位置合わせ優先モードで作動する、請求項1から請求項3のいずれか1項に記載の送電装置。 - 前記受電装置は、車両に搭載され、
前記送電装置は、前記車両と通信する通信装置をさらに備え、
前記制御装置は、前記送電部から前記受電部への送電が開始される前であって、前記通信装置により前記車両との通信が確立すると、前記位置合わせ優先モードで作動する、請求項1から請求項3のいずれか1項に記載の送電装置。 - 前記制御装置は、前記異物検知優先モードにおいて、前記異物検知処理を前記位置合わせ処理よりも優先しつつ、前記異物検知処理と前記位置合わせ処理とを交互に実行する、請求項1から請求項5のいずれか1項に記載の送電装置。
- 請求項1から請求項6のいずれか1項に記載の送電装置と、
前記送電装置から非接触で受電する受電装置とを備える電力伝送システム。
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JP2017137162A JP6885241B2 (ja) | 2017-07-13 | 2017-07-13 | 送電装置及び電力伝送システム |
US16/030,254 US10744882B2 (en) | 2017-07-13 | 2018-07-09 | Electric power transmission apparatus and electric power transmission system |
CN201810762277.6A CN109256872B (zh) | 2017-07-13 | 2018-07-12 | 送电装置和送电系统 |
CN202011564923.1A CN112838683A (zh) | 2017-07-13 | 2018-07-12 | 无线电力输送系统 |
EP18183452.4A EP3428003B1 (en) | 2017-07-13 | 2018-07-13 | Electric power transmission apparatus and electric power transmission system |
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JP2017137162A JP6885241B2 (ja) | 2017-07-13 | 2017-07-13 | 送電装置及び電力伝送システム |
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JP2020162301A (ja) * | 2019-03-27 | 2020-10-01 | トヨタ自動車株式会社 | 非接触電力伝送システム |
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US10967751B2 (en) * | 2019-05-10 | 2021-04-06 | Gm Global Technology Operations, Llc | Method to detect the proper connection of a vehicle charging cable |
US11482892B2 (en) * | 2020-12-07 | 2022-10-25 | Toyota Motor Engineering & Manufacturing North America, Inc. | Systems and methods for wireless vehicle power transfer to vehicle devices using misalignment sensors |
CN116054308B (zh) * | 2022-07-27 | 2023-10-24 | 荣耀终端有限公司 | 无线充电方法、电子设备及可读介质 |
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JP6885241B2 (ja) | 2021-06-09 |
EP3428003A1 (en) | 2019-01-16 |
CN109256872B (zh) | 2022-04-12 |
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CN112838683A (zh) | 2021-05-25 |
US10744882B2 (en) | 2020-08-18 |
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US20190016228A1 (en) | 2019-01-17 |
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