JP7564335B2 - 強化無線電力伝送 - Google Patents
強化無線電力伝送 Download PDFInfo
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- JP7564335B2 JP7564335B2 JP2023512231A JP2023512231A JP7564335B2 JP 7564335 B2 JP7564335 B2 JP 7564335B2 JP 2023512231 A JP2023512231 A JP 2023512231A JP 2023512231 A JP2023512231 A JP 2023512231A JP 7564335 B2 JP7564335 B2 JP 7564335B2
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; 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—ELECTRIC POWER NETWORKS; 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/40—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the exchange of charge or discharge related data
- H02J7/42—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the exchange of charge or discharge related data with electronic devices having internal batteries, e.g. mobile phones
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/90—Regulation of charging or discharging current or voltage
- H02J7/92—Regulation of charging or discharging current or voltage with prioritisation of loads or sources
-
- 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
- H04B5/266—One coil at each side, e.g. with primary and secondary coils
-
- 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
- H04B5/72—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for local intradevice communication
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2105/00—Networks for supplying or distributing electric power characterised by their spatial reach or by the load
- H02J2105/40—Networks for supplying or distributing electric power characterised by their spatial reach or by the load characterised by the loads connecting to the networks or being supplied by the networks
- H02J2105/44—Portable electronic devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
- H04B5/45—Transponders
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Near-Field Transmission Systems (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Transceivers (AREA)
- Inverter Devices (AREA)
- Toys (AREA)
Description
Claims (20)
- 無線受電機であって、
無線送電機から電力を受け取るように構成された受電機コイルと、
前記受電機コイルに結合され、前記受電機コイルの両端間に現れるAC電圧を、負荷に送られるDC電圧に変換するように構成された整流器と、
前記受電機コイル及び前記整流器に結合された制御及び通信モジュールと、を備え、前記制御及び通信モジュールは、
前記受電機コイルを介して前記無線送電機から帯域内通信信号を受信し、
前記受電機コイルを介して前記無線送電機に送信される帯域内通信信号を生成するように前記整流器を動作させるように構成され、
前記受電機コイルを介して前記無線送電機に送信される前記帯域内通信信号は、複数の動作周波数から選択された動作周波数での動作をネゴシエートする通信を含む、無線受電機。 - 前記帯域内通信信号は、標準通信プロトコルに準拠する、請求項1に記載の無線受電機。
- 前記帯域内通信信号は、複数の電力レベルから選択された電力レベルでの動作をネゴシエートする通信を含む、請求項2に記載の無線受電機。
- 前記複数の電力レベルのうちのより高い電力レベルは、前記複数の動作周波数のうちのより高い動作周波数に対応し、前記複数の電力レベルのうちのより低い電力レベルは、前記複数の動作周波数のうちのより低い動作周波数に対応する、請求項3に記載の無線受電機。
- 前記帯域内通信信号は、複数の電力レベルから選択された電力レベルでの動作をネゴシエートする通信を含む、請求項1に記載の無線受電機。
- 前記制御及び通信モジュールに結合されたNFC通信モジュールを更に備え、前記帯域内通信信号は、前記無線送電機内の対応するNFC通信モジュールとのNFC通信を可能にするために無線電力伝送における遅延をネゴシエートする通信を含む、請求項1に記載の無線受電機。
- 前記帯域内通信信号は、前記無線送電機及び前記無線受電機のうちの少なくとも1つのユーザインターフェース機能に関係する通信を含む、請求項1に記載の無線受電機。
- 無線送電機であって、
無線受電機に電力を送るように構成された送電機コイルと、
前記送電機コイルに結合され、入力電圧を前記送電機コイルに送られるAC電圧に変換するように構成されたインバータと、
前記送電機コイル及び前記インバータに結合された制御及び通信モジュールと、を備え、前記制御及び通信モジュールは、
前記送電機コイルを介して前記無線受電機から帯域内通信信号を受信し、
前記送電機コイルを介して前記無線受電機に送信される帯域内通信信号を生成するように前記インバータを動作させるように更に構成され、
前記無線受電機から受信された前記帯域内通信信号は、複数の動作周波数から選択された動作周波数での動作をネゴシエートする通信を含む、無線送電機。 - 前記帯域内通信信号は、標準通信プロトコルに準拠する、請求項8に記載の無線送電機。
- 前記帯域内通信信号は、複数の電力レベルから選択された電力レベルでの動作をネゴシエートする通信を含む、請求項9に記載の無線送電機。
- 前記複数の電力レベルのうちのより高い電力レベルは、前記複数の動作周波数のうちのより高い動作周波数に対応し、前記複数の電力レベルのうちのより低い電力レベルは、前記複数の動作周波数のうちのより低い動作周波数に対応する、請求項10に記載の無線送電機。
- 前記帯域内通信信号は、複数の電力レベルの中から選択された電力レベルでの動作をネゴシエートする通信を含む、請求項8に記載の無線送電機。
- 前記制御及び通信モジュールに結合されたNFC通信モジュールを更に備え、前記帯域内通信信号は、前記無線受電機内の対応するNFC通信モジュールとのNFC通信を可能にするために無線電力伝送における遅延をネゴシエートする通信を含む、請求項8に記載の無線送電機。
- 前記帯域内通信信号は、前記無線送電機及び無線受電機のうちの少なくとも1つのユーザインターフェース機能に関係する通信を含む、請求項8に記載の無線送電機。
- 無線送電機又は無線受電機であるデバイスと相手デバイスとの間の無線電力伝送をネゴシエートする方法であって、
前記相手デバイスとの通信を開始することと、
前記デバイスの1つ以上の機能を前記相手デバイスに通信することであって、前記1つ以上の機能は、複数の無線電力伝送周波数で無線電力伝送を行う機能を含む、ことと、
前記相手デバイスが前記複数の無線電力伝送周波数の各々で無線電力伝送を行うことが可能であるかどうかを判定することと、
前記相手デバイスが第1の無線電力伝送周波数で無線電力伝送を行うことが可能である場合、前記複数の無線電力伝送周波数の中から前記第1の無線電力伝送周波数を選択することと、又は
前記相手デバイスが第2の無線電力伝送周波数で無線電力伝送を行うことができるが、前記第1の無線電力伝送周波数で無線電力伝送を行うことができない場合、前記複数の無線電力伝送周波数の中から前記第2の無線電力伝送周波数を選択することと、を含み、
前記デバイスとその相手との間の通信は、標準通信プロトコルに準拠した帯域内通信である、方法。 - 前記機能は、複数の電力レベルで動作する能力を含む、請求項15に記載の方法。
- 前記複数の電力レベルの各々は、前記複数の無線電力伝送周波数のうちの1つに対応する、請求項16に記載の方法。
- 前記機能は、NFC通信機能を含む、請求項15に記載の方法。
- 前記機能は、ユーザインターフェース機能を含む、請求項15に記載の方法。
- 前記無線送電機と前記無線受電機との間の合意されたモードは、どのデバイスが無線電力伝送の状態に関する情報をユーザに提供するかについての合意を含む、請求項19に記載の方法。
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| US202063068768P | 2020-08-21 | 2020-08-21 | |
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| PCT/US2021/042928 WO2022039885A1 (en) | 2020-08-21 | 2021-07-23 | Enhanced wireless power transfer |
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| US (4) | US11081911B1 (ja) |
| JP (2) | JP7564335B2 (ja) |
| KR (2) | KR102705881B1 (ja) |
| CN (1) | CN115917920A (ja) |
| AU (2) | AU2021328048B2 (ja) |
| DE (1) | DE112021004381T5 (ja) |
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| AU2021328048A1 (en) | 2023-03-23 |
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| GB202302152D0 (en) | 2023-03-29 |
| GB2612528B (en) | 2026-02-11 |
| JP2023538394A (ja) | 2023-09-07 |
| US12316141B2 (en) | 2025-05-27 |
| KR20230038581A (ko) | 2023-03-20 |
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| CN115917920A (zh) | 2023-04-04 |
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| AU2023270237B2 (en) | 2025-05-22 |
| KR102812113B1 (ko) | 2025-05-26 |
| AU2023270237A1 (en) | 2023-12-14 |
| AU2021328048B2 (en) | 2023-11-16 |
| US20240014692A1 (en) | 2024-01-11 |
| US11081911B1 (en) | 2021-08-03 |
| US11799330B2 (en) | 2023-10-24 |
| US20220060060A1 (en) | 2022-02-24 |
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