JP6067211B2 - 非接触給電装置 - Google Patents
非接触給電装置 Download PDFInfo
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- JP6067211B2 JP6067211B2 JP2011118663A JP2011118663A JP6067211B2 JP 6067211 B2 JP6067211 B2 JP 6067211B2 JP 2011118663 A JP2011118663 A JP 2011118663A JP 2011118663 A JP2011118663 A JP 2011118663A JP 6067211 B2 JP6067211 B2 JP 6067211B2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power 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
- B60L53/124—Detection or removal of foreign bodies
-
- 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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- 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
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- 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
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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
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M7/00—Power lines or rails specially adapted for electrically-propelled vehicles of special types, e.g. suspension tramway, ropeway, underground railway
-
- H02J2105/37—
-
- H02J7/42—
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/24—Inductive coupling
- H04B5/26—Inductive coupling using coils
- H04B5/263—Multiple coils at either side
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Description
図1は、本発明の一実施形態に係る非接触給電装置を含む車両200及び給電装置100を備えた非接触給電システムのブロック図である。なお、本例の非接触給電装置の車両側のユニットは電気自動車に搭載されるが、ハイブリッド車両等の車両でもよい。
発明の他の実施形態に係る非接触給電装置を、図10を用いて説明する。本例は上述した第1実施形態に対して、異物検出コイル13を、複数の独立したコイルで形成する点が異なる。これ以外の構成で上述した第1実施形態と同じ構成は、その記載を適宜、援用する。図10は本例の非接触給電装置に含まれる送電ユニット101の平面図である。なお、図10において、保護部材101cは図示を省略している。
発明の他の実施形態に係る非接触給電装置を、図11〜13を用いて説明する。本例は上述した第1実施形態に対して、異物検出コイル13を、複数の独立したコイルで形成する点が異なる。これ以外の構成で上述した第1実施形態と同じ構成は、その記載を適宜、援用する。図11は本例の非接触給電装置に含まれる送電ユニット101の平面図である。なお、図11において、保護部材101cは図示を省略している。
11…電力制御部
111…整流部
112…PFC回路
113…インバータ
114…センサ
12…送電コイル
13…異物検出コイル
13a、13b…コイル
13c、13d…左側コイル、右側コイル
14…無線通信部
15…制御部
151…異物検出部
1511…電圧検出部
1512…異物判定部
101…送電ユニット
101a…フェライト
101b…磁気遮蔽板
101c…保護部材
200…車両
22…受電コイル
23…送信部
24…無線通信部
25…充電制御部
251…電力測定部
26…整流部
27…リレー部
28…バッテリ
29…インバータ
30…モータ
32…通知部
300…交流電源
40…異物
Claims (6)
- 少なくとも磁気的結合によって車両に設けられた第1のコイルとの間で、非接触で電力を送電する地上に設けられた第2のコイルと、
前記第2のコイルの前記第1のコイル側に設けられた第3のコイルと、
前記第3のコイルが前記第1のコイルと前記第2のコイルとの間に位置づけられたとき、前記第1のコイルと前記第2のコイルとの間の磁束の変化による前記第3のコイルに生じる誘導電圧の変化に基づき、前記第1のコイルと前記第2のコイルとの間の異物を検出する異物検出手段とを備え、
前記異物検出手段は、
前記第3のコイルに生じる誘導電圧と、前記異物が存在しないことを示す判定閾値とを比較し、その判定結果に基づき前記異物を検出し、
前記第3のコイルは、
前記第1のコイルと対向する前記第2のコイルの対向面に沿って設けられ、
前記第3のコイルを構成する複数のコイルは、
それぞれ扇形状に形成され、かつ、前記第2のコイルの中心点から放射状に配置されている
ことを特徴とする非接触給電装置。 - 前記第2コイルの前記第1のコイル側とは反対側に磁性体を備え、
前記磁性体は、前記第3のコイルと離間させて設けた
ことを特徴とする請求項1記載の非接触給電装置。 - 前記第2コイルの前記第1のコイル側とは反対側に磁性体を備え、
前記磁性体は、前記第2のコイルと対向する対向面を略平坦にした
ことを特徴とする請求項1又は2記載の非接触給電装置。 - 前記第3のコイルは、複数のコイルで構成されている
ことを特徴とする請求項1〜3のいずれか一項に記載の非接触給電装置。 - 前記第3のコイルの前記複数のコイルは、一本の配線で繋がっており、
前記第3のコイルの前記複数のコイルのうち、隣接する少なくとも二つのコイルは、
前記異物が存在しない場合に、前記二つのコイルを流れる誘導電流の向きが互いに逆向きになるように配置されている
ことを特徴とする請求項4記載の非接触給電装置。 - 前記二つのコイルのコイル面積が等しい
ことを特徴とする請求項5記載の非接触給電装置。
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011118663A JP6067211B2 (ja) | 2011-05-27 | 2011-05-27 | 非接触給電装置 |
| BR112013005804-8A BR112013005804B1 (pt) | 2011-05-27 | 2012-05-23 | dispositivo de suprimento de eletricidade sem contato |
| CN201280002808.2A CN103098344B (zh) | 2011-05-27 | 2012-05-23 | 非接触供电装置 |
| MYPI2013000786A MY165789A (en) | 2011-05-27 | 2012-05-23 | Contactless electricity supply device |
| EP12793756.3A EP2717431B1 (en) | 2011-05-27 | 2012-05-23 | Contactless electricity supply device |
| MX2013002741A MX2013002741A (es) | 2011-05-27 | 2012-05-23 | Dispositivo de suministro de electricidad sin contacto. |
| RU2013110059/07A RU2554103C1 (ru) | 2011-05-27 | 2012-05-23 | Устройство бесконтактной подачи электричества |
| US13/822,260 US9553636B2 (en) | 2011-05-27 | 2012-05-23 | Contactless electricity supply device with foreign object detector |
| PCT/JP2012/063144 WO2012165244A1 (ja) | 2011-05-27 | 2012-05-23 | 非接触給電装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011118663A JP6067211B2 (ja) | 2011-05-27 | 2011-05-27 | 非接触給電装置 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015233145A Division JP2016106512A (ja) | 2015-11-30 | 2015-11-30 | 非接触給電装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2012249401A JP2012249401A (ja) | 2012-12-13 |
| JP6067211B2 true JP6067211B2 (ja) | 2017-01-25 |
Family
ID=47259103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011118663A Active JP6067211B2 (ja) | 2011-05-27 | 2011-05-27 | 非接触給電装置 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US9553636B2 (ja) |
| EP (1) | EP2717431B1 (ja) |
| JP (1) | JP6067211B2 (ja) |
| CN (1) | CN103098344B (ja) |
| BR (1) | BR112013005804B1 (ja) |
| MX (1) | MX2013002741A (ja) |
| MY (1) | MY165789A (ja) |
| RU (1) | RU2554103C1 (ja) |
| WO (1) | WO2012165244A1 (ja) |
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| KR102010943B1 (ko) | 2011-09-09 | 2019-08-14 | 위트리시티 코포레이션 | 무선 에너지 전송 시스템에서의 이물질 검출 |
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| RU2554103C1 (ru) | 2015-06-27 |
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