JP6568133B2 - 伝送コイル及び送電装置 - Google Patents
伝送コイル及び送電装置 Download PDFInfo
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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
- 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
- H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
-
- 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
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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
- 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
-
- 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
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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
- B60L53/36—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
- B60L53/38—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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
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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
-
- 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
- B60L2200/00—Type of vehicles
- B60L2200/32—Waterborne vessels
-
- 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
- H02J2310/42—The network being an on-board power network, i.e. within a vehicle for ships or vessels
-
- 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)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Insulating Of Coils (AREA)
- Coils Or Transformers For Communication (AREA)
Description
[構成等]
図1は、第1の実施形態における電力伝送システム10が置かれる環境の一例を示す模式図である。図2は、電力伝送システムの構成例を示すブロック図である。電力伝送システム10は、送電装置100、受電装置200、及びコイルCLを備える。送電装置100は、受電装置200に対して、複数のコイルCLを介して、磁気共鳴方式に従ってワイヤレス(無接点)で電力伝送する。配置されるコイルCLの数は、n個であり、任意である。
これにより、連結体30の運搬が容易になる。
次に、コイルCLの構造について説明する。
伝送効率 = 受電電力/送電電力 × 100(%) …… (1)
k = M/(L1×L2)1/2 … (2)
ここで、M:相互インダクタンス、L1:送電用コイルLr1の自己インダクタンス、L2:受電用コイルLr2の自己インダクタンスである。送電用コイルLr1及び受電用コイルLr2の自己インダクタンスは、いずれも145μHである。結合係数kは、最大値k=1から最小値k=0の範囲の値となる。
図7は第1の実施形態の変形例1におけるコイルCL2(コイルCLの一例)の構造を示す断面図である。コイルCL2は、リング状(環状)に巻かれる電線w2と、電線w2の径方向の外周面を包囲する筒状の包囲材hi1と、包囲材hi1の外周面に巻かれた自己融着テープmt1と、が同心円状に重なった構造を有する。なお、図7に例示したコイルCL2の寸法は、第1の実施形態で前述したコイルCL1の寸法と同じでよい。図7に示す寸法は、測定用(シミュレーション用)の寸法でよく、実際に送電装置100及び受電装置200に用いられる送電コイルCLA、受電コイルCLB、及び中継コイルCLCは、この寸法より大きくてよい。
図8は、第1の実施形態の変形例2におけるコイルCL3(コイルCLの一例)の構造を示す断面図である。コイルCL3は、筒状の包囲材hi1の代わりに、フェライトfg1を含有する筒状の包囲材hi2を備える。つまり、包囲材hi2と自己融着テープm1とによりカバー部材cv2を形成する。
第1の実施形態では、カバー部材cv1で電線を包囲することで防水構造を実現する場合を示したが、第2の実施形態では、電線を樹脂でモールドして成形することで防水構造を実現する場合を示す。第2の実施形態のコイルCLは、電力の伝送方向に螺旋状に巻回されるヘリカル巻で製造される。
図10は第2の実施形態の変形例1におけるコイルCL5(コイルCLの一例)の構造を示す断面図である。コイルCL5では、モールド部md1の代わりに、フェライトfg2を含有するモールド部md2を用いる。フェライトfg2は、酸化鉄を主成分とする、透磁率の高い軟磁性材料である。粒状のフェライトfg2を樹脂に混入してモールド部md2にすることで、環状に巻かれた電線w3で発生した磁界がモールド部md2の内部に点在するフェライトfg1を通るように集まる。この結果、コイルCL4の半径方向外側に磁界が漏れ難くなり、磁界が増大する。
20 電線
30 連結体
40 錘
45 ブイ
50 船舶
60 水中航走体
70 潜水艇
80 水底掘削機
90 水面
95 水底
100 送電装置
110 電源
120 ADC
130 CPU
140 情報通信部
141 変復調回路
150 送電回路
151 ドライバ
152 共振回路
200 受電装置
210 受電回路
211 整流回路
212 レギュレータ
220 CPU
230 充電制御回路
240 2次電池
250 情報通信部
251 変復調回路
300 伝送効率測定回路
300T 送電回路
300R 受電回路
310 高周波電源回路
320 負荷装置
350 容器
C1,C2,C3,C4 コンデンサ
CL,CL1,CL2,CL3,CL4,CL5,CL10 コイル
CLA 送電コイル
CLB 受電コイル
CLC 中継コイル
CA,CB,CC コンデンサ
ct1 切り込み
fg1,fg2 フェライト
hi1,hi2 包囲材
Lr1 送電用コイル
Lr2 受電用コイル
md1,md2 モールド部
mt1 自己融着テープ
st10 スパイラルチューブ
w1,w2,w3,w10 電線
Claims (6)
- 水中において電力を伝送するための伝送コイルであって、
交流電流が流れる環状の電線と、
非導電性樹脂又は非磁性樹脂を有し、前記電線の周囲を密閉する第1のカバーと、
を有し、
前記電線は、前記交流電流が流れることで発生する磁界を介して前記電力を伝送し、
前記第1のカバーは、
前記第1のカバーの半径方向に沿う切り込みを有し、前記電線の半径方向の外周面を非導電性樹脂又は非磁性樹脂により包囲する第2のカバーと、
前記第2のカバーの半径方向の外周面を密閉し、非導電性又は非磁性の自己融着テープと、を有する、
伝送コイル。 - 前記第1のカバーは、難燃性を有する、
請求項1に記載の伝送コイル。 - 前記第1のカバーは、磁性材料を含有する、
請求項1又は2に記載の伝送コイル。 - 水中において、受電コイルを有する受電装置に電力を伝送する送電装置であって、
磁界を介して前記受電コイルに電力を伝送する送電コイルを含む1つ以上の伝送コイルと、
交流電力を前記送電コイルへ送電する送電部と、
前記伝送コイルに接続されると共に、前記伝送コイルと共に共振する共振回路を形成するコンデンサと、
を備え、
前記伝送コイルは、請求項1〜3のいずれか1項に記載された伝送コイルである、
送電装置。 - 前記伝送コイルは、前記送電コイルと前記受電コイルとの間の水中に配置され、前記送電コイルによる電力伝送を補助する1つ以上の中継コイルを含む、
請求項4に記載の送電装置。 - 前記中継コイルは、無給電コイルである、
請求項5に記載の送電装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017069070A JP6568133B2 (ja) | 2017-03-30 | 2017-03-30 | 伝送コイル及び送電装置 |
US16/498,964 US10950379B2 (en) | 2017-03-30 | 2018-03-08 | Transmission coil and power transmission apparatus |
PCT/JP2018/009107 WO2018180355A1 (ja) | 2017-03-30 | 2018-03-08 | 伝送コイル及び送電装置 |
US17/173,997 US20210166855A1 (en) | 2017-03-30 | 2021-02-11 | Transmission coil and power transmission apparatus |
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JP2021068815A (ja) * | 2019-10-24 | 2021-04-30 | 国立大学法人信州大学 | コイルおよびコイルユニットおよび無線電力伝送装置およびコイルの製造方法 |
JP2021114833A (ja) * | 2020-01-17 | 2021-08-05 | 昭和飛行機工業株式会社 | 水中非接触給電装置 |
CN115552764A (zh) * | 2020-03-06 | 2022-12-30 | 索雷斯能源公司 | 无线功率传输发射器、无线地传输功率的系统和方法 |
CN114243949B (zh) * | 2021-12-10 | 2024-02-20 | 青岛鲁渝能源科技有限公司 | 防爆无线充电系统及方法 |
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JPS6139319A (ja) * | 1984-07-30 | 1986-02-25 | ケイディディ株式会社 | 磁性材付与ケ−ブル |
JPS62288024A (ja) * | 1986-06-09 | 1987-12-14 | Furukawa Electric Co Ltd:The | 鎧装長尺体の押出被覆方法 |
JPH05325656A (ja) * | 1992-05-20 | 1993-12-10 | Hitachi Cable Ltd | 難燃性ケーブル |
JP2005102101A (ja) | 2003-09-01 | 2005-04-14 | Matsushita Electric Ind Co Ltd | ゲートアンテナ装置 |
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JP2018170480A (ja) | 2018-11-01 |
WO2018180355A1 (ja) | 2018-10-04 |
US20210166855A1 (en) | 2021-06-03 |
US10950379B2 (en) | 2021-03-16 |
US20200381162A1 (en) | 2020-12-03 |
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