JP2012110199A - 電力伝送システム - Google Patents
電力伝送システム Download PDFInfo
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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
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- B60L53/30—Constructional details of charging stations
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- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
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- B60L2210/00—Converter types
- B60L2210/30—AC to DC converters
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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
- B60L2210/00—Converter types
- B60L2210/40—DC to AC converters
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/60—Navigation input
- B60L2240/66—Ambient conditions
- B60L2240/662—Temperature
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- 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
- B60L2250/00—Driver interactions
- B60L2250/12—Driver interactions by confirmation, e.g. of the input
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- 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
- B60L2250/00—Driver interactions
- B60L2250/16—Driver interactions by display
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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
- 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]
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- 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
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- 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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Abstract
【解決手段】矩形波を出力するスイッチング素子SW1、SW2と、前記スイッチング素子SW1、SW2からの出力を伝送する電力伝送線路CAと、前記電力伝送路CAによって伝送された矩形波が入力される送電側磁気共鳴アンテナ部120と、を有する送電側システムと、電磁場を介して共鳴することにより、前記送電側磁気共鳴アンテナ部120から出力される電気エネルギーを受電する受電側磁気共鳴アンテナ部220を有する受電側システムと、からなる電力伝送システムにおいて、前記送電側磁気共鳴アンテナ部120には所定の容量を有するコンデンサC0が含まれるており、送電側磁気共鳴アンテナ部120のインダクタンスが50μH以上500μH以下であり、前記容量が200pF以上3000pF以下である。
【選択図】図1
Description
級増幅器などを利用することが考えられるが回路構成が複雑となり、製造コストが高くな
ってしまう欠点がある。
前記送電側磁気共鳴アンテナ部には所定の誘導成分を有する第1インダクタと所定の容量
成分を有する第1キャパシタとで構成されており、送電側磁気共鳴アンテナ部の前記誘導成分は50μH以上500μH以下であり、前記容量成分が200pF以上3000pF以下であることを特徴とする。
サ122(容量値:C0)(第1キャパシタ)とから構成されており、対向するようにし
て配置される車両搭載の受電側磁気共鳴アンテナ部220と共鳴することで、送電側磁気共鳴アンテナ部120から出力される電気エネルギーを受電側磁気共鳴アンテナ部220
に送ることができるようになっている。
121)と第1キャパシタ(コンデンサ122)の共振により発振し、受電側磁気共鳴ア
ンテナ部220は、第2インダクタ(コイル221)第2キャパシタ(コンデンサ222
)の共振により送電側磁気共鳴アンテナ部120から電気エネルギーを受電することとなる。
所定の情報などを提供したり、或いは、ユーザーからの操作・入力を受け付けたりするものであり、表示装置、ボタン類、タッチパネル、スピーカーなどで構成されるものである。ユーザーによる所定の操作が実行されると、インターフェイス部250から操作データとして受電側主制御部200に送られ処理される。また、ユーザーに所定の情報を提供する際には、受電側主制御部200からインターフェイス部250に対して、表示指示データが送信される。
の管理データから、充電設備側に要求する電力量を演算する。このような演算には、従来周知の適当な方法を適宜利用することができる。
も、T側においてインピーダンス整合器などの構成を設けることなく、効率よく電力を送電側磁気共鳴アンテナ部120に投入することが可能となる。
式のものに比べてより大きな電力を供給することが可能となる。
いたが、本発明はこれに限定されず、送電側磁気共鳴アンテナ部120をコイル121のみで構成するように構成することもできる。この場合、接続部T側において、何らかのインピーダンス調整を行うようにして、インバーター回路からの矩形波電圧の出力を、電力伝送路CAを介して送電側磁気共鳴アンテナ部120に入力するように構成する。
値をインダクタンスL、容量C及び抵抗Rの値を変更して計算を行った。
・Q値が100以上であること。
・インダクタンスが50μH以上500μH以下であること。
・コンデンサC0の容量が200pF以上3000pF以下であること。
であるように設定されているので、車両充電設備用の電力伝送システムとして、適切なものを構築することが可能となる。
べき値の範囲について説明する。送電側磁気共鳴アンテナ部120と、受電側磁気共鳴アンテナ部220との位置関係をずらして、結合係数kを変化させたときの伝送効率の変化を測定した結果を図10に示す。これによれば、本発明に係る電力伝送システムにおいては、送電側磁気共鳴アンテナ部120と受電側磁気共鳴アンテナ部220との間の結合係数kは、k≦0.3の範囲でも十分な伝送効率を得られることがわかる。先にも説明したとおり、本発明に係る電力伝送システムにおいては、Q値が100以上であることが条件となっているので、結合係数kの値の範囲がk≦0.3であったとしても、磁気共鳴方式のワイヤレス電力伝送システムで要求されるkQ積の条件を十分にクリアすることが可能
である。
110・・・スイッチング素子制御部
120・・・送電側磁気共鳴アンテナ部
121・・・コイル
122・・・コンデンサ
130・・・電力検出部
140・・・共振周波数検出部
150・・・通信部
200・・・受電側主制御部
220・・・受電側磁気共鳴アンテナ部
221・・・コイル
222・・・コンデンサ
230・・・整流器
235・・・充電制御部
240・・・蓄電池
250・・・インターフェイス部
260・・・周辺監視部
270・・・通信部
SW1、SW2、SW3、SW4・・・スイッチング素子
C0、C1、C2、C3、C4・・・コンデンサ
L2、L4・・・コイル
CA・・・電力伝送路
Claims (2)
- 直流電圧を交流電圧に変換して出力するスイッチング素子と、
前記出力された交流電圧が入力される送電側磁気共鳴アンテナ部と、を有する送電側システムと、
電磁場を介して前記送電側磁気共鳴アンテナ部と共鳴することにより、前記送電側磁気共鳴アンテナ部から出力される電気エネルギーを受電する受電側磁気共鳴アンテナ部と、を有する受電側システムと、からなることを特徴とする電力伝送システムにおいて、
前記送電側磁気共鳴アンテナ部には所定の誘導成分を有する第1インダクタと所定の容量
成分を有する第1キャパシタとで構成されており、
送電側磁気共鳴アンテナ部の前記誘導成分は50μH以上500μH以下であり、
前記容量成分が200pF以上3000pF以下であることを特徴とする電力伝送システム。 - 送電側磁気共鳴アンテナ部と受電側磁気共鳴アンテナ部との間の結合係数kがk≦0.3を満たすことを特徴とする請求項1に記載の電力伝送システム。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011015877A JP2012110199A (ja) | 2010-10-27 | 2011-01-28 | 電力伝送システム |
| US13/279,648 US20120217819A1 (en) | 2010-10-27 | 2011-10-24 | Electric power transmission system and antenna |
| EP11186743A EP2455253A3 (en) | 2010-10-27 | 2011-10-26 | Electric power transmission system and antenna |
| CN2011103427062A CN102457108A (zh) | 2010-10-27 | 2011-10-27 | 电力传输系统和天线 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010240264 | 2010-10-27 | ||
| JP2010240264 | 2010-10-27 | ||
| JP2011015877A JP2012110199A (ja) | 2010-10-27 | 2011-01-28 | 電力伝送システム |
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| Publication Number | Publication Date |
|---|---|
| JP2012110199A true JP2012110199A (ja) | 2012-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2011015877A Pending JP2012110199A (ja) | 2010-10-27 | 2011-01-28 | 電力伝送システム |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103516026A (zh) * | 2013-10-11 | 2014-01-15 | 东莞易步机器人有限公司 | 停车充电装置 |
| CN104158301A (zh) * | 2014-01-20 | 2014-11-19 | 中国海洋大学 | 基于磁共振的水下无线充电方法和装置 |
| JP2014239175A (ja) * | 2013-06-10 | 2014-12-18 | 三菱電機株式会社 | 非接触電力伝送装置 |
| CN104393652A (zh) * | 2014-12-05 | 2015-03-04 | 国家电网公司 | 一种电动汽车充电桩 |
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