JP5771250B2 - ワイヤレス充電器の電場遮蔽部 - Google Patents
ワイヤレス充電器の電場遮蔽部 Download PDFInfo
- Publication number
- JP5771250B2 JP5771250B2 JP2013190273A JP2013190273A JP5771250B2 JP 5771250 B2 JP5771250 B2 JP 5771250B2 JP 2013190273 A JP2013190273 A JP 2013190273A JP 2013190273 A JP2013190273 A JP 2013190273A JP 5771250 B2 JP5771250 B2 JP 5771250B2
- Authority
- JP
- Japan
- Prior art keywords
- electric field
- wireless charging
- charging structure
- circuit board
- printed circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- 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
-
- 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
-
- 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
-
- 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
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
-
- 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
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00309—Overheat or overtemperature protection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Regulation Of General Use Transformers (AREA)
Description
34 受信部
36 電場遮蔽部
42 充電器台
44 受信部
46 電場遮蔽部
50 ワイヤレス充電器構造
52 電場遮蔽部
54 一次充電コイル
56 マイクロコントローラ
57 電源
58 パルス電力モジュール
61 開口
64 回路基板
66 半円形ノッチ領域
67 矩形ノッチ
72 一次コイル、コイル層
74 ヒートシンク配置
84、86 永久磁石
100 電場遮蔽部
102 導電性トレース
104 回路基板
110 固体パターン
112 導電性トレース
1002 電磁遮蔽部
1003 導体
1004 プリント回路基板
1006 固体プリント領域
Claims (12)
- ハンドヘルドデバイスのためのワイヤレス充電構造であって、
入力電気パルスを受けるための電気入力部を有する一次充電コイルであって、前記入力電気パルスは、前記入力電気パルスに応答して、前記一次充電コイルに時間変化する磁場及び時間変化する電場を生じさせる、一次充電コイルと、
前記時間変化する電場を減衰させる電場遮蔽部と、を備え、
前記時間変化する電場は、AMラジオ伝送帯域の周波数成分を含み、前記電場遮蔽部は、AMラジオ伝送帯域の電磁信号との干渉を生成する時間変化する電場の成分を減衰させるように構成され、
前記電場遮蔽部は、前記AMラジオ伝送帯域の周波数を超える周波数を有する電磁信号の当該電場遮蔽部を通る伝搬を可能にするように構成され、
前記電場遮蔽部は、前記ワイヤレス充電構造及び前記ハンドヘルドデバイスの周囲を取り囲むように配列され、
前記電場遮蔽部は、
互いに第1の所定の横方向距離を置いて配列された複数の実質的に平行な導体であって、前記第1の所定の横方向距離は、電磁エネルギーが前記遮蔽構造を通って伝搬する際に減衰させることが所望される電磁エネルギーの周波数に対応する、導体と、
前記複数の実質的に平行な導体を互いに接続するための相互接続配置と、を備える
ことを特徴とするワイヤレス充電構造。 - 前記電場遮蔽部は、前記時間変化する磁場内で渦電流の生成を防ぐように構成される、
請求項1記載のワイヤレス充電構造。 - プリント回路基板が更に設けられ、前記複数の実質的に平行な導体は、前記プリント回路基板の第1の面に配設された導電性トレースを備える、請求項1又は2記載のワイヤレス充電構造。
- 前記相互接続配置は、前記プリント回路基板に配設された固体導電性接合部を備える、請求項3記載のワイヤレス充電構造。
- 前記プリント回路基板には、第2の面が設けられ、互いに第2の所定の横方向距離を置いて配列された更なる複数の実質的に平行な導体であって、前記複数の実質的に平行な導体に対して所定の角度配向を有する、更なる複数の実質的に平行な導体が設けられる、請求項4記載のワイヤレス充電構造。
- 前記所定の角度配向は、実質的に直交の角度配向である、請求項5記載のワイヤレス充電構造。
- 前記第1の所定の横方向距離と前記第2の所定の横方向距離とは、互いに等しい、請求項5記載のワイヤレス充電構造。
- 前記更なる複数の実質的に平行な導体を互いに接続するための更なる相互接続配置が更に設けられる、請求項5記載のワイヤレス充電構造。
- 前記更なる相互接続配置は、前記プリント回路基板に配設された前記固体導電性接合部を備える、請求項7記載のワイヤレス充電構造。
- 前記プリント回路基板に配設された前記固体導電性接合部は、熱を伝導するように構成される、請求項4記載のワイヤレス充電構造。
- 前記プリント回路基板に配設された前記固体導電性接合部は、電気的かつ熱的に伝導性である材料から形成される、請求項4記載のワイヤレス充電構造。
- 前記プリント回路基板に配設された前記固体導電性接合部は、銅を含有する金属材料から形成される、請求項11記載のワイヤレス充電構造。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/613,282 | 2012-09-13 | ||
US13/613,282 US9161481B2 (en) | 2012-09-13 | 2012-09-13 | E-field shield for wireless charger |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014057069A JP2014057069A (ja) | 2014-03-27 |
JP5771250B2 true JP5771250B2 (ja) | 2015-08-26 |
Family
ID=50153454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013190273A Expired - Fee Related JP5771250B2 (ja) | 2012-09-13 | 2013-09-13 | ワイヤレス充電器の電場遮蔽部 |
Country Status (4)
Country | Link |
---|---|
US (2) | US9161481B2 (ja) |
JP (1) | JP5771250B2 (ja) |
CN (1) | CN103687461A (ja) |
DE (1) | DE102013109458A1 (ja) |
Families Citing this family (24)
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EP2648309B1 (en) * | 2012-04-03 | 2019-04-17 | Lite-On Technology Corporation | Comb-structured shielding layer and wireless charging transmitter thereof |
TW201421211A (zh) * | 2012-11-16 | 2014-06-01 | Primax Electronics Ltd | 無線充電裝置 |
JP6084147B2 (ja) * | 2013-03-15 | 2017-02-22 | オムロンオートモーティブエレクトロニクス株式会社 | コイル一体型プリント基板、磁気デバイス |
US9837847B2 (en) * | 2014-10-28 | 2017-12-05 | Lite-On Technology Corporation | Wireless charging transmitter and method thereof |
US9929599B2 (en) * | 2015-06-18 | 2018-03-27 | Samsung Electro-Mechanics Co., Ltd. | Sheet for shielding against electromagnetic waves and wireless power charging device |
US9960630B2 (en) * | 2015-08-06 | 2018-05-01 | Samsung Electro-Mechanics Co., Ltd. | Wireless power charging device |
KR102241991B1 (ko) | 2015-08-13 | 2021-04-19 | 삼성전자주식회사 | 무선 충전 방법 및 장치 |
US10181757B2 (en) * | 2015-09-17 | 2019-01-15 | Qualcomm Incorporated | Apparatus and methods for shielding a wireless power transmitter |
KR102405414B1 (ko) * | 2015-10-13 | 2022-06-07 | 주식회사 위츠 | 자기장 차폐 시트 및 이를 포함하는 무선 충전 장치 |
EP3244542B1 (en) * | 2016-05-09 | 2019-07-24 | Intel IP Corporation | Method and device for mitigating interference due to a wireless charging signal |
US20170358951A1 (en) * | 2016-06-10 | 2017-12-14 | Qualcomm Incorporated | System and method for adjusting a response in a wireless power receiver |
TWI617147B (zh) * | 2016-07-12 | 2018-03-01 | Sensing device with wireless charging and wireless transceiving capability | |
CN107872098A (zh) * | 2016-09-23 | 2018-04-03 | 苹果公司 | 无线充电垫中的多层发射器线圈布置的互连 |
US10084349B2 (en) * | 2017-02-15 | 2018-09-25 | Apple Inc. | Inductive module |
US10277043B2 (en) | 2016-09-23 | 2019-04-30 | Apple Inc. | Wireless charging mats for portable electronic devices |
CN106340924A (zh) * | 2016-09-30 | 2017-01-18 | 惠州市雨林科技有限公司 | 一种低干扰车载无线充电器 |
KR102607544B1 (ko) * | 2016-11-08 | 2023-11-30 | 삼성전자주식회사 | 무선 전력 전송 장치 |
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EP2648309B1 (en) * | 2012-04-03 | 2019-04-17 | Lite-On Technology Corporation | Comb-structured shielding layer and wireless charging transmitter thereof |
-
2012
- 2012-09-13 US US13/613,282 patent/US9161481B2/en active Active
-
2013
- 2013-08-30 DE DE102013109458.9A patent/DE102013109458A1/de not_active Withdrawn
- 2013-09-13 CN CN201310416666.0A patent/CN103687461A/zh active Pending
- 2013-09-13 JP JP2013190273A patent/JP5771250B2/ja not_active Expired - Fee Related
-
2015
- 2015-09-03 US US14/845,254 patent/US9520740B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2014057069A (ja) | 2014-03-27 |
US20140070763A1 (en) | 2014-03-13 |
DE102013109458A1 (de) | 2014-03-13 |
US20150380980A1 (en) | 2015-12-31 |
CN103687461A (zh) | 2014-03-26 |
US9520740B2 (en) | 2016-12-13 |
US9161481B2 (en) | 2015-10-13 |
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