JP2010246292A5 - - Google Patents
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- JP2010246292A5 JP2010246292A5 JP2009093402A JP2009093402A JP2010246292A5 JP 2010246292 A5 JP2010246292 A5 JP 2010246292A5 JP 2009093402 A JP2009093402 A JP 2009093402A JP 2009093402 A JP2009093402 A JP 2009093402A JP 2010246292 A5 JP2010246292 A5 JP 2010246292A5
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- power
- receiving device
- power receiving
- load modulation
- rectifier
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Claims (11)
前記２次コイルの一端ノードと他端ノードに接続され、前記２次コイルの誘起電圧を整流する整流部と、
前記一端ノードまたは前記他端ノードに接続される、負荷変調部と、
前記負荷変調部を制御する受電制御装置と、
を有することを特徴とする受電装置。 The power receiving device of the non-contact power system that transmits power from the power transmitting device to the power receiving device using a primary coil and a secondary coil,
A rectifier connected to one end node and the other end node of the secondary coil and rectifying the induced voltage of the secondary coil;
Is connected to the one end node or the other end nodes, and load modulation unit,
A power reception control device for controlling the load modulation unit;
A power receiving device comprising:
前記整流部は、複数のダイオードによって構成される全波整流部であることを特徴とする受電装置。 The power receiving device according to claim 1,
The rectifying unit, the power receiving apparatus which is a result constructed full-wave rectifier to a plurality of diodes.
前記整流部は、複数の同期整流素子を含む全波同期整流部であることを特徴とする受電装置。 The power receiving device according to claim 1 or 2,
The rectifying unit is a full-wave synchronous rectifying unit including a plurality of synchronous rectifying elements.
前記負荷変調部は、負荷変調素子としての抵抗と、スイッチング素子と、を含み、前記スイッチング素子のスイッチングは、前記受電装置から前記送電装置に送信されるデータに基づいて、前記受電制御装置によって制御されることを特徴とする受電装置。 The power receiving device according to any one of claims 1 to 3,
The load modulation unit includes a resistance as a load modulation element and a switching element, and switching of the switching element is controlled by the power reception control device based on data transmitted from the power reception device to the power transmission device. A power receiving device.
前記整流部は、複数のダイオードによって構成される全波整流部、または複数の同期整流素子を含む全波同期整流部であり、
前記負荷変調部は、負荷変調素子としての抵抗と、スイッチング素子と、を含み、前記スイッチング素子のスイッチングは、前記受電装置から前記送電装置に送信されるデータに基づいて、前記受電制御装置によって制御され、かつ、
前記負荷変調部における、前記負荷変調素子としての抵抗のインピーダンス値と前記スイッチング素子のオン時の等価インピーダンスとを合計したインピーダンス値は、前記全波整流部を構成する前記複数のダイオードの各々のオン時の等価インピーダンス値または前記全波同期整流部を構成する前記複数の同期整流素子の各々のオン時の等価インピーダンス値よりも大きく設定されることを特徴とする受電装置。 The power receiving device according to claim 1,
The rectification section is a full wave synchronous rectifier comprising Therefore configured full-wave rectifier to a plurality of diodes, or a plurality of synchronous rectifier,
The load modulation unit includes a resistance as a load modulation element and a switching element, and switching of the switching element is controlled by the power reception control device based on data transmitted from the power reception device to the power transmission device. And
In the load modulation unit, the total impedance value of the resistance as the load modulation element and the equivalent impedance when the switching element is turned on is an ON value of each of the plurality of diodes constituting the full-wave rectification unit. The power receiving device is set to be larger than an equivalent impedance value at the time of turning on each of the plurality of synchronous rectification elements constituting the full-wave synchronous rectification unit.
前記負荷変調部は、負荷変調素子としてのコンデンサーまたは負荷変調素子としてのコンデンサーおよび抵抗と、スイッチング素子と、を含み、前記スイッチング素子のスイッチングは、前記受電装置から前記送電装置に送信されるデータに基づいて、前記受電制御装置によって制御されることを特徴とする受電装置。 The power receiving device according to any one of claims 1 to 3,
The load modulation unit includes a capacitor as a load modulation element, a capacitor and a resistor as a load modulation element, and a switching element, and switching of the switching element is performed on data transmitted from the power receiving apparatus to the power transmission apparatus. The power receiving device is controlled by the power receiving control device.
前記整流部は、前記整流部の出力ノードから得られる高電位電源電圧と低電位電源電圧との間に直列に接続された、高電位電源電圧側の第１整流素子および低電位電源電圧側の第２整流素子と、高電位電源電圧側の第３整流素子および低電位電源電圧側の第４整流素子と、を含み、少なくとも前記第２整流素子および前記第４整流素子は、同期整流素子で構成され、
前記負荷変調部は、負荷変調素子としての抵抗またはコンデンサーと、スイッチング素子と、を含み、前記スイッチング素子のスイッチングは、前記受電装置から前記送電装置に送信されるデータに基づいて、前記受電制御装置によって制御され、
前記同期整流素子と前記スイッチング素子とは、同一の製造方法によって形成された同一構造のトランジスターであることを特徴とする受電装置。 The power receiving device according to claim 1,
The rectifying unit includes a first rectifier element on a high potential power supply voltage side and a low potential power supply voltage side connected in series between a high potential power supply voltage obtained from an output node of the rectification unit and a low potential power supply voltage. A second rectifier element, a third rectifier element on the high potential power supply voltage side, and a fourth rectifier element on the low potential power supply voltage side, wherein at least the second rectifier element and the fourth rectifier element are synchronous rectifier elements. Configured,
The load modulation unit includes a resistor or a capacitor as a load modulation element, and a switching element, and the switching of the switching element is based on data transmitted from the power reception device to the power transmission device. Controlled by
The power receiving device, wherein the synchronous rectifying element and the switching element are transistors of the same structure formed by the same manufacturing method.
前記受電装置は、通常送電期間において、前記送電装置から前記１次コイルおよび前記２次コイルを経由して伝送される前記電力を給電対象の負荷に供給し、
かつ、前記給電対象の負荷への連続給電を実行すると同時に前記負荷変調による負荷変調を実行する、ことを特徴とする受電装置。 The power receiving device according to any one of claims 1 to 7,
The power receiving device supplies the power transmitted from the power transmitting device via the primary coil and the secondary coil to a load to be fed in a normal power transmission period,
And, before Symbol simultaneously executing a continuous power supply to the power supply target of the load to perform load modulation by the load modulation, the power receiving device, characterized in that.
前記負荷変調部における消費電力と、前記給電対象の負荷における消費電力との合計が前記無接点電力伝送システムの仕様で定められる定格電力値を超えないことを特徴とする受電装置。 The power receiving device according to claim 8, wherein
The power receiving device, wherein a sum of power consumption in the load modulation unit and power consumption in the load to be fed does not exceed a rated power value determined by a specification of the contactless power transmission system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009093402A JP5552751B2 (en) | 2009-04-07 | 2009-04-07 | Power receiving device, electronic device and non-contact power transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009093402A JP5552751B2 (en) | 2009-04-07 | 2009-04-07 | Power receiving device, electronic device and non-contact power transmission system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2010246292A JP2010246292A (en) | 2010-10-28 |
| JP2010246292A5 true JP2010246292A5 (en) | 2012-05-31 |
| JP5552751B2 JP5552751B2 (en) | 2014-07-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009093402A Expired - Fee Related JP5552751B2 (en) | 2009-04-07 | 2009-04-07 | Power receiving device, electronic device and non-contact power transmission system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5552751B2 (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5668424B2 (en) * | 2010-11-16 | 2015-02-12 | ソニー株式会社 | Battery device, battery management system, and battery management method |
| US9899882B2 (en) | 2010-12-20 | 2018-02-20 | Qualcomm Incorporated | Wireless power peer to peer communication |
| EP2680396A4 (en) * | 2011-02-23 | 2017-03-01 | Sony Corporation | Battery device, battery management method, and electronic instrument |
| JP5866864B2 (en) | 2011-08-23 | 2016-02-24 | 株式会社ニコン | Electronic equipment, power supply device, system and equipment |
| US9847675B2 (en) * | 2011-12-16 | 2017-12-19 | Semiconductor Energy Laboratory Co., Ltd. | Power receiving device and power feeding system |
| JP5147999B1 (en) * | 2012-02-13 | 2013-02-20 | パナソニック株式会社 | Power feeding device, power receiving device, charging system, and obstacle detection method |
| US9998180B2 (en) * | 2013-03-13 | 2018-06-12 | Integrated Device Technology, Inc. | Apparatuses and related methods for modulating power of a wireless power receiver |
| US9641364B2 (en) | 2014-05-30 | 2017-05-02 | Nxp B.V. | Communication circuit and approach with modulation |
| JP6784473B2 (en) * | 2014-09-19 | 2020-11-11 | 株式会社デンソー | Wireless power supply |
| JP6416567B2 (en) * | 2014-09-19 | 2018-10-31 | 株式会社Ｓｏｋｅｎ | Wireless power feeder |
| TWI680624B (en) * | 2017-10-20 | 2019-12-21 | 威盛電子股份有限公司 | Start-up apparatus for battery management circuit and battery management system having the same |
| US11031803B2 (en) | 2017-10-20 | 2021-06-08 | Via Labs, Inc. | Start-up apparatus for battery management circuit and battery management system having the same |
| CN108521151B (en) * | 2017-10-20 | 2020-12-08 | 威锋电子股份有限公司 | Starting device of battery management circuit and battery management system with same |
| WO2024084967A1 (en) * | 2022-10-21 | 2024-04-25 | 株式会社村田製作所 | Wireless power supply system and power transmission device for wireless power supply system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3391737B2 (en) * | 1999-06-18 | 2003-03-31 | 藤倉ゴム工業株式会社 | Rubber vulcanizing press |
| JP4377641B2 (en) * | 2003-09-25 | 2009-12-02 | 京セラ株式会社 | Wiring board manufacturing method |
| JP2006060909A (en) * | 2004-08-19 | 2006-03-02 | Seiko Epson Corp | Noncontact power transmitter |
| CA2681613C (en) * | 2007-03-22 | 2017-10-31 | Powermat Ltd. | Signal transfer system |
-
2009
- 2009-04-07 JP JP2009093402A patent/JP5552751B2/en not_active Expired - Fee Related
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