JP6084994B2 - 無線電力受信装置、端末機、及び無線電力送信装置 - Google Patents
無線電力受信装置、端末機、及び無線電力送信装置 Download PDFInfo
- Publication number
- JP6084994B2 JP6084994B2 JP2015013555A JP2015013555A JP6084994B2 JP 6084994 B2 JP6084994 B2 JP 6084994B2 JP 2015013555 A JP2015013555 A JP 2015013555A JP 2015013555 A JP2015013555 A JP 2015013555A JP 6084994 B2 JP6084994 B2 JP 6084994B2
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- Prior art keywords
- coil
- wireless power
- magnet
- flux density
- magnetic flux
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- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0231—Magnetic circuits with PM for power or force generation
- H01F7/0252—PM holding devices
-
- 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
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0231—Magnetic circuits with PM for power or force generation
-
- 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
- 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
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or 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
- 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
-
- 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
- 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
-
- 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
- H02J7/70—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the mechanical construction
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Description
本発明において、電力ソース100は、無線電力送信装置200に含まれるが、これに限定されない。
Lは、コイルのインダクタンスであり、Rは、コイル自体で発生する電力損失量に該当する抵抗をいう。
12、30、30A、30B:磁石
14:送信コイル
16:ホールセンサ
17:制御部
19:交流電力生成部
20:端末機
22:前面カバー
24:後面カバー
26:遮蔽部材
28:粘着剤
32、32A、32B:受信コイル
34:整流部
36:バッテリー
41:一端
43:他端
45、47:パッド
100:電力ソース
200:無線電力送信装置
210:送信誘導コイル
220:送信共振コイル
300:無線電力受信装置
310:受信共振コイル
320:受信誘導コイル
330:整流部
400:負荷端
Claims (15)
- 無線電力送信装置から無線で電力を受信する無線電力受信装置であって、
前記電力を受信するコイルと、
前記無線電力送信装置のセンサによって感知される磁束密度の強さを変化させる電磁鋼板と、
前記コイル及び前記電磁鋼板の上面に配置される遮蔽部材とを含み、
前記コイルは、空いている中央領域を有し、
前記電磁鋼板は、前記コイルの前記中央領域に配置され、前記無線電力送信装置の磁石の磁場によって前記磁束密度を発生させ、
前記コイル及び前記電磁鋼板は、粘着剤を介して前記遮蔽部材の背面に付着される無線電力受信装置。 - 前記センサによって感知される前記磁束密度の強さの閾値は、32G以上である請求項1に記載の無線電力受信装置。
- 前記電磁鋼板は、1%乃至5%のケイ素(Si)を含有する請求項1に記載の無線電力受信装置。
- 前記電磁鋼板の直径は、8mm乃至12mmである請求項1乃至3のいずれか一項に記載の無線電力受信装置。
- 据置台から無線で電力を受信する端末機であって、
前記据置台に対向して配置されるカバーと、
前記電力を受信するために、前記カバー上に配置されるコイルと、
前記据置台のセンサによって感知される磁束密度の強さを変化させる電磁鋼板と、
前記コイル及び前記電磁鋼板の上面に配置される遮蔽部材とを含み、
前記電磁鋼板は、前記コイルによって囲まれ、前記コイルの中央領域に配置され、前記据置台の磁石の磁場によって前記磁束密度を発生させ、
前記コイル及び前記電磁鋼板は、粘着剤を介して前記遮蔽部材の背面に付着される端末機。 - 前記センサによって感知される前記磁束密度の強さの閾値は、32G以上である請求項5に記載の端末機。
- 前記電磁鋼板は、1%乃至5%のケイ素(Si)を含有する請求項5に記載の端末機。
- 前記カバーの厚さは、0.5mm乃至0.8mmである請求項5に記載の端末機。
- 前記電磁鋼板の直径は、8mm乃至12mmである請求項5乃至8のいずれか一項に記載の端末機。
- 前記コイルは、巻線コイル構造、及びリードフレームコイル構造の1つである請求項5乃至8のいずれか一項に記載の端末機。
- 電力ソースと、
前記電力ソースから電力を受信して、交流電力を生成する交流電力生成部と、
前記交流電力生成部で生成された交流電力を、無線電力受信装置に送信する送信コイルと、
前記送信コイルの中央領域に配置された磁石と、
前記無線電力受信装置の電磁鋼板によって変化する磁石の磁束密度を検出するセンサと、
前記磁束密度が予め定められた閾値以上である場合、前記交流電力が前記無線電力受信装置に送信されるように前記送信コイルを制御する制御部とを含む無線電力送信装置。 - 前記制御部は、前記センサから検出された前記磁石と、前記電磁鋼板の磁束密度の強さのそれぞれに対応する電気信号を受信する請求項11に記載の無線電力送信装置。
- 前記制御部は、前記電気信号に応答して、スリープモードからウェイクアップモードに切り換える請求項12に記載の無線電力送信装置。
- 前記制御部は、前記電気信号に応答して、前記交流電力生成部を制御する請求項12に記載の無線電力送信装置。
- 前記センサによって検出される前記磁束密度の強さの閾値は、32G以上である請求項11に記載の無線電力送信装置。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140010739A KR20150089754A (ko) | 2014-01-28 | 2014-01-28 | 무선 전력 수신 장치 및 단말기 |
| KR10-2014-0010739 | 2014-01-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2015142510A JP2015142510A (ja) | 2015-08-03 |
| JP6084994B2 true JP6084994B2 (ja) | 2017-02-22 |
Family
ID=52423616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015013555A Expired - Fee Related JP6084994B2 (ja) | 2014-01-28 | 2015-01-27 | 無線電力受信装置、端末機、及び無線電力送信装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9887030B2 (ja) |
| EP (1) | EP2899831B1 (ja) |
| JP (1) | JP6084994B2 (ja) |
| KR (1) | KR20150089754A (ja) |
| CN (1) | CN104810929B (ja) |
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| KR101577425B1 (ko) * | 2014-12-22 | 2015-12-28 | 주식회사 아모센스 | Pma 무선충전 방식 무선전력 수신모듈용 어트랙터, 차폐유닛 및 이를 구비한 무선전력 수신모듈 |
| WO2016104959A1 (ko) * | 2014-12-22 | 2016-06-30 | 주식회사 아모센스 | Pma 무선 충전 방식 무선전력 수신모듈용 어트랙터 및 그 제조방법과, 이를 구비하는 무선전력 수신모듈 |
| CN107112801B (zh) | 2014-12-22 | 2020-10-13 | 阿莫善斯有限公司 | 用于电源事物联盟无线充电式无线电力接收模块的吸引器及其制造方法以及具有其的无线电力接收模块 |
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2014
- 2014-01-28 KR KR1020140010739A patent/KR20150089754A/ko not_active Ceased
-
2015
- 2015-01-26 US US14/605,627 patent/US9887030B2/en not_active Expired - Fee Related
- 2015-01-27 JP JP2015013555A patent/JP6084994B2/ja not_active Expired - Fee Related
- 2015-01-28 CN CN201510043280.9A patent/CN104810929B/zh not_active Expired - Fee Related
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104810929B (zh) | 2019-07-09 |
| CN104810929A (zh) | 2015-07-29 |
| KR20150089754A (ko) | 2015-08-05 |
| EP2899831A1 (en) | 2015-07-29 |
| US20150213933A1 (en) | 2015-07-30 |
| JP2015142510A (ja) | 2015-08-03 |
| US9887030B2 (en) | 2018-02-06 |
| EP2899831B1 (en) | 2019-09-04 |
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