JP2014212660A5 - Power transmission device, power reception device, control method thereof, program, and power transmission system - Google Patents

Power transmission device, power reception device, control method thereof, program, and power transmission system Download PDF

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JP2014212660A5
JP2014212660A5 JP2013088878A JP2013088878A JP2014212660A5 JP 2014212660 A5 JP2014212660 A5 JP 2014212660A5 JP 2013088878 A JP2013088878 A JP 2013088878A JP 2013088878 A JP2013088878 A JP 2013088878A JP 2014212660 A5 JP2014212660 A5 JP 2014212660A5
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power transmission
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Priority to JP2013088878A priority Critical patent/JP6118164B2/en
Priority to PCT/JP2014/059908 priority patent/WO2014171349A1/en
Priority to US14/770,773 priority patent/US9800061B2/en
Priority to RU2015149643A priority patent/RU2625818C2/en
Priority to BR112015024232A priority patent/BR112015024232A2/en
Priority to CN201480022347.4A priority patent/CN105164888A/en
Priority to EP14718785.0A priority patent/EP2987220A1/en
Priority to KR1020157032270A priority patent/KR101776451B1/en
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Priority to US15/705,589 priority patent/US10135261B2/en
Priority to US16/141,823 priority patent/US10601229B2/en
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本発明は送電装置、受電装置およびそれらの制御方法、プログラム、および電力伝送システムに関する。
The present invention relates to a power transmission device, a power reception device, a control method thereof, a program, and a power transmission system.

上記目的を達成するための一手段として、本発明の送電装置は以下の構成を備える。すなわち、送電装置であって、第１時間より短い無線送電を、第１アンテナを介して間欠に行う第１送電手段と、前記第１送電手段による送電を行っている際に、前記送電装置に他の装置が近づいた時に生ずるインピーダンス変化が検出された場合、前記第１時間より長い無線送電を、前記第１アンテナを介して行う第２送電手段と、前記第２送電手段による送電を行っている際に、前記送電装置の送電に応答した受電装置からの信号を検出する検出手段と、前記第１送電手段により送電される電力及び前記第２送電手段により送電される電力より大きい電力の無線送電を、前記第１アンテナを介して行う第３送電手段と、
前記検出手段により前記信号が検出された後に、前記第３送電手段による送電を行うか否かを判定するための通信を、前記受電装置と前記第１アンテナと異なる第２アンテナを介して行う通信手段と、を備えることを特徴とする。 As a means for achieving the above object, a power transmission device of the present invention has the following configuration. That is, the power transmission device includes a first power transmission unit that intermittently performs wireless power transmission shorter than a first time via the first antenna, and a power transmission device that performs power transmission by the first power transmission unit. When a change in impedance that occurs when another device approaches is detected, a second power transmission unit that performs wireless power transmission longer than the first time through the first antenna and a power transmission by the second power transmission unit are performed. A detecting means for detecting a signal from the power receiving apparatus responding to power transmission of the power transmitting apparatus, and a radio having a power higher than the power transmitted by the first power transmitting means and the power transmitted by the second power transmitting means. Third power transmission means for performing power transmission via the first antenna;
Communication for determining whether or not to perform power transmission by the third power transmission unit after the signal is detected by the detection unit via a second antenna different from the power receiving device and the first antenna And means.

Claims (29)

送電装置であって、
第１時間より短い無線送電を、第１アンテナを介して間欠に行う第１送電手段と、
前記第１送電手段による送電を行っている際に、前記送電装置に他の装置が近づいた時に生ずるインピーダンス変化が検出された場合、前記第１時間より長い無線送電を、前記第１アンテナを介して行う第２送電手段と、
前記第２送電手段による送電を行っている際に、前記送電装置の送電に応答した受電装置からの信号を検出する検出手段と、
前記第１送電手段により送電される電力及び前記第２送電手段により送電される電力より大きい電力の無線送電を、前記第１アンテナを介して行う第３送電手段と、
前記検出手段により前記信号が検出された後に、前記第３送電手段による送電を行うか否かを判定するための通信を、前記受電装置と前記第１アンテナと異なる第２アンテナを介して行う通信手段と、
を備えることを特徴とする送電装置。 A power transmission device,
First power transmission means for intermittently performing wireless power transmission shorter than the first time through the first antenna;
When a change in impedance that occurs when another device approaches the power transmission device during power transmission by the first power transmission means, wireless power transmission longer than the first time is transmitted via the first antenna. Second power transmission means to be
Detecting means for detecting a signal from a power receiving device responding to power transmission of the power transmitting device when performing power transmission by the second power transmitting means;
Third power transmission means for performing wireless power transmission of power larger than the power transmitted by the first power transmission means and the power transmitted by the second power transmission means via the first antenna;
Communication for determining whether or not to perform power transmission by the third power transmission unit after the signal is detected by the detection unit via a second antenna different from the power receiving device and the first antenna Means,
A power transmission device comprising: 前記第２送電手段による送電を行っている際に検出された信号から取得された情報が所定の条件を満たすか否かを判定する判定手段をさらに備え、
前記第２送電手段による送電を行っている際に検出された信号から取得された情報が前記所定の条件を満たすと前記判定手段により判定された場合、前記通信手段は、前記第３送電手段による送電を行うか否かを判定するための通信を行うことを特徴とする請求項１に記載の送電装置。 A determination unit that determines whether information acquired from a signal detected when power is transmitted by the second power transmission unit satisfies a predetermined condition;
When the determination means determines that the information acquired from the signal detected during power transmission by the second power transmission means satisfies the predetermined condition, the communication means is determined by the third power transmission means. The power transmission device according to claim 1, wherein communication for determining whether to perform power transmission is performed. 前記判定手段は、前記第２送電手段による送電を行っている際に検出された信号から取得したIDと前記受電装置との間で予め決定したIDとが一致するか否かを判定することを特徴とする請求項２に記載の送電装置。   The determination means determines whether or not an ID acquired from a signal detected when power is transmitted by the second power transmission means matches a predetermined ID between the power receiving apparatus and the power reception apparatus. The power transmission device according to claim 2, wherein the power transmission device is characterized. 前記判定手段によってIDが一致すると判定された場合に、ID一致通知を前記受電装置へ通知する通知手段を更に備えることを特徴とする請求項３に記載の送電装置。   The power transmission apparatus according to claim 3, further comprising notification means for notifying the power receiving apparatus of an ID match notification when the determination means determines that the IDs match. 前記通信手段は、前記受電装置における電力に関する情報を通信し、
前記送電装置は、前記通信手段により通信された電力に関する情報に基づいて、前記第３送電手段による送電を行うか否かを判定することを特徴とする請求項１から４のいずれか１項に記載の送電装置。 The communication means communicates information about power in the power receiving device,
5. The power transmission apparatus according to claim 1, wherein the power transmission device determines whether or not to perform power transmission by the third power transmission unit based on information on the power communicated by the communication unit. The power transmission device described. 前記通信手段は、前記受電装置の受電電力に関連する値を通信し、
前記送電装置は、前記通信手段により通信された前記受電装置の受電電力に関連する値が閾値以上の場合に前記第３送電手段による送電を行うと判定することを特徴とする請求項１から５のいずれか１項に記載の送電装置。 The communication means communicates a value related to the received power of the power receiving device,
The said power transmission apparatus determines with performing the power transmission by the said 3rd power transmission means, when the value relevant to the received power of the said power receiving apparatus communicated by the said communication means is more than a threshold value. The power transmission device according to any one of the above. 前記第２送電手段は、前記第１送電手段による送電を行っている際に、前記送電装置に受電装置とは異なる異物が近づいた時に生ずるインピーダンス変化が検出された場合、送電を行わないことを特徴とする請求項１から６のいずれか１項に記載の送電装置。   The second power transmission means does not perform power transmission when an impedance change is detected that occurs when a foreign object different from the power receiving apparatus approaches the power transmission apparatus during power transmission by the first power transmission means. The power transmission apparatus according to claim 1, wherein the power transmission apparatus is characterized. 前記第２送電手段は、前記第１送電手段による送電を行っている際に、前記送電装置に負荷変調を行っている前記受電装置が近づいた時に生ずるインピーダンス変化を検出された場合、送電を行うことを特徴とする請求項１から６のいずれか１項に記載の送電装置。   The second power transmission unit performs power transmission when a change in impedance that occurs when the power receiving device that performs load modulation approaches the power transmission device is detected during power transmission by the first power transmission unit. The power transmission device according to any one of claims 1 to 6, wherein 初期インピーダンスを記憶する記憶手段と、受電装置とは異なる異物を検出する異物検出手段を更に備え、
前記第１送電手段により送電が行われ、かつ、前記検出手段により前記信号が検出されていない際のインピーダンスが、前記記憶手段に記憶された前記初期インピーダンスと異なる場合、前記異物検出手段は異物を検出したと判断することを特徴とする請求項１から８のいずれか１項に記載の送電装置。 A storage means for storing the initial impedance; and a foreign object detection means for detecting a foreign object different from the power receiving device,
If the impedance when power is transmitted by the first power transmission means and the signal is not detected by the detection means is different from the initial impedance stored in the storage means, the foreign matter detection means It is judged that it detected, The power transmission apparatus of any one of Claim 1 to 8 characterized by the above-mentioned. 前記異物検出手段によって異物が検出された場合、エラー表示を行うことを特徴とする請求項９に記載の送電装置。   The power transmission device according to claim 9, wherein when a foreign object is detected by the foreign object detection unit, an error display is performed. 前記送電装置は、前記第２送電手段による送電を開始した場合において、前記第３送電手段による送電を開始しない場合、エラー表示を行うことを特徴とする請求項１から１０のいずれか１項に記載の送電装置。   11. The power transmission device according to claim 1, wherein when the power transmission by the second power transmission unit is started, the power transmission device displays an error when the power transmission by the third power transmission unit is not started. The power transmission device described. 前記送電装置は、前記第２送電手段により送電が行われている際に検出された信号から取得された情報が、前記所定の条件を満たさないと前記判定手段により判定された場合、エラー表示を行うことを特徴とする請求項２から４のいずれか１項に記載の送電装置。   The power transmission device displays an error display when the determination unit determines that the information acquired from the signal detected when power is transmitted by the second power transmission unit does not satisfy the predetermined condition. The power transmission device according to claim 2, wherein the power transmission device is performed. 前記送電装置は、前記通信手段による通信に基づいて前記第３送電手段による送電を行わないと判定した場合、移動を促す表示を行うことを特徴とする請求項１から１２のいずれか１項に記載の送電装置。   13. The display according to claim 1, wherein when the power transmission device determines that power transmission by the third power transmission unit is not performed based on communication by the communication unit, the power transmission device performs a display prompting movement. The power transmission device described. 前記検出手段は、前記送電装置と前記受電装置との間で行われる機器認証において決定された情報を含む信号を検出することを特徴とする請求項１から１３のいずれか１項に記載の送電装置。   The power transmission according to any one of claims 1 to 13, wherein the detection unit detects a signal including information determined in device authentication performed between the power transmission device and the power reception device. apparatus. 前記通信手段は、Bluetooth（登録商標）により通信を行うことを特徴とする請求項１から１４のいずれか１項に記載の送電装置。   The power transmission apparatus according to claim 1, wherein the communication unit performs communication by Bluetooth (registered trademark). 前記検出手段は、負荷変調された信号を検出することを特徴とする請求項１から１５のいずれか１項に記載の送電装置。    The power transmission device according to claim 1, wherein the detection unit detects a load-modulated signal. 送電装置から電力を受電する受電装置であって、
前記送電装置からの第１時間より短い間欠送電を検出した後に、当該第１時間より長い第１送電が行われている間に前記送電装置に信号を送信する送信手段と、
前記送信手段による送信の後に、前記間欠送電及び前記第１送電より電力が大きい第２送電を前記送電装置が行うか否かを判定するための通信を、第１アンテナを介して行う通信手段と、
前記通信手段による通信に応じて、前記送電装置からの前記第２送電を、前記第１アンテナと異なる第２アンテナを介して受電する受電手段と、
を備えることを特徴とする受電装置。 A power receiving device that receives power from a power transmitting device,
After detecting intermittent power transmission shorter than the first time from the power transmission device, transmission means for transmitting a signal to the power transmission device while the first power transmission longer than the first time is being performed;
Communication means for performing communication for determining whether or not the power transmission device performs second power transmission with higher power than the intermittent power transmission and the first power transmission after transmission by the transmission means via a first antenna; ,
Power receiving means for receiving the second power transmission from the power transmission device via a second antenna different from the first antenna in response to communication by the communication means;
A power receiving device comprising: 前記送信手段は、前記送電装置との間で予め共有されている情報を含めた前記信号を送信することを特徴とする請求項１７に記載の受電装置。   The power receiving device according to claim 17, wherein the transmission unit transmits the signal including information shared in advance with the power transmitting device. 前記通信手段は、前記受電装置の受電電力に関連する値を通信することを特徴とする請求項１７または１８に記載の受電装置。   The power receiving device according to claim 17 or 18, wherein the communication unit communicates a value related to the received power of the power receiving device. 前記送信手段は、負荷変調により前記信号を送信することを特徴とする請求項１７から１９のいずれか１項に記載の受電装置。   The power receiving device according to claim 17, wherein the transmission unit transmits the signal by load modulation. 前記送信手段は、前記送電装置から前記信号を受信したことを示す通知を受信するまで、前記信号の送信を繰り返すことを特徴とする請求項１７から２０のいずれか１項に記載の受電装置。   21. The power receiving apparatus according to claim 17, wherein the transmission unit repeats transmission of the signal until receiving a notification indicating that the signal has been received from the power transmitting apparatus. インピーダンスの値を変更する変更手段を更に備え、
前記変更手段は、前記インピーダンスを高く設定した後、前記送電装置から間欠に送電される電力を受電した場合に前記インピーダンスを低く設定することを特徴とする請求項１７から２１のいずれか１項に記載の受電装置。 It further comprises changing means for changing the impedance value,
The said change means sets the said impedance low when receiving the electric power transmitted intermittently from the said power transmission apparatus after setting the said impedance high, The any one of Claim 17 to 21 characterized by the above-mentioned. The power receiving apparatus described. 前記変更手段は、前記インピーダンスを低く設定した後、前記送電装置から所定の通知が通知された場合に、さらに前記インピーダンスを低く設定することを特徴とする請求項２２に記載の受電装置。   The power receiving device according to claim 22, wherein the changing unit sets the impedance further lower when a predetermined notification is notified from the power transmitting device after the impedance is set low. 前記送信手段による前記信号の送信が行われた後に送電装置から所定の通知がされない場合、にエラー表示を行うことを特徴とする請求項１７から２１のいずれか１項に記載の受電装置。   The power receiving apparatus according to any one of claims 17 to 21, wherein an error is displayed when a predetermined notification is not received from the power transmitting apparatus after the transmission of the signal by the transmitting unit. 送電装置と受電装置を有する電力伝送システムであって、
前記送電装置は、
第１時間より短い無線送電を、第１アンテナを介して間欠に行う第１送電手段と、
前記第１送電手段による送電を行っている際に、前記送電装置に他の装置が近づいた時に生ずるインピーダンス変化が検出された場合、前記第１時間より長い無線送電を、前記第１アンテナを介して行う第２送電手段と、
前記第２送電手段による送電を行っている際に、前記送電装置の送電に応答した受電装置からの信号を検出する検出手段と、
前記第１送電手段により送電される電力及び前記第２送電手段により送電される電力より大きい電力の無線送電を、前記第１アンテナを介して行う第３送電手段と、
前記検出手段により前記信号が検出された後に、前記第３送電手段による送電を行うか否かを判定するための通信を、前記受電装置と前記第１アンテナと異なる第２アンテナを介して行う第１の通信手段と、
を備え
前記受電装置は、
前記送電装置からの前記第１時間より短い間欠送電を検出した後に、当該第１時間より長い第１送電が行われている間に前記送電装置に前記間欠送電に応答した信号を送信する送信手段と、
前記送信手段による送信の後に、前記間欠送電及び前記第１送電より電力が大きい第２送電を前記送電装置が行うか否かを判定するための通信を、第１アンテナを介して行う第２の通信手段と、
前記第２の通信手段による通信に応じて、前記送電装置からの前記第２送電を、前記第１アンテナと異なる第２アンテナを介して受電する受電手段と、
を備えることを特徴とする電力伝送システム。 A power transmission system having a power transmitting device and a power receiving device,
The power transmission device is:
First power transmission means for intermittently performing wireless power transmission shorter than the first time through the first antenna;
When a change in impedance that occurs when another device approaches the power transmission device during power transmission by the first power transmission means, wireless power transmission longer than the first time is transmitted via the first antenna. Second power transmission means to be
Detecting means for detecting a signal from a power receiving device responding to power transmission of the power transmitting device when performing power transmission by the second power transmitting means;
Third power transmission means for performing wireless power transmission of power larger than the power transmitted by the first power transmission means and the power transmitted by the second power transmission means via the first antenna;
After the signal is detected by the detection means, communication for determining whether or not to perform power transmission by the third power transmission means is performed via a second antenna different from the power reception device and the first antenna. 1 communication means;
The power receiving device comprises:
After detecting intermittent power transmission shorter than the first time from the power transmission device, transmission means for transmitting a signal in response to the intermittent power transmission to the power transmission device while the first power transmission longer than the first time is performed When,
After the transmission by the transmission means, a second communication is performed via the first antenna for determining whether or not the power transmission device performs the intermittent power transmission and the second power transmission having higher power than the first power transmission. Communication means;
Power receiving means for receiving the second power transmission from the power transmission device via a second antenna different from the first antenna in response to communication by the second communication means;
A power transmission system comprising: 送電装置の制御方法であって、
第１時間より短い第１の無線送電を、第１アンテナを介して間欠に行う第１送電工程と、
前記第１の無線送電を行っている際に、前記送電装置に他の装置が近づいた時に生ずるインピーダンス変化が検出された場合、前記第１時間より長い第２の無線送電を、前記第１アンテナを介して行う第２送電工程と、
前記第２の無線送電を行っている際に、前記送電装置の送電に応答した受電装置からの信号を検出する検出工程と、
前記第１の無線送電の電力及び前記第２の無線送電の電力より大きい電力の第３の無線送電を、前記第１アンテナを介して行う第３送電工程と、
前記検出工程において前記信号が検出された後に、前記第３の無線送電を行うか否かを判定するための通信を、前記受電装置と前記第１アンテナと異なる第２アンテナを介して行う通信工程と、
を備えることを特徴とする送電装置の制御方法。 A method for controlling a power transmission device,
A first power transmission step of performing first wireless power transmission shorter than the first time intermittently via the first antenna;
When an impedance change that occurs when another device approaches the power transmission device during the first wireless power transmission, a second wireless power transmission longer than the first time is transmitted to the first antenna. A second power transmission step performed via
A detecting step of detecting a signal from a power receiving device responding to power transmission of the power transmitting device when performing the second wireless power transmission;
A third power transmission step of performing a third wireless power transmission with a power greater than the power of the first wireless power transmission and the power of the second wireless power transmission via the first antenna;
A communication step of performing communication for determining whether or not to perform the third wireless power transmission via the second antenna different from the power receiving device and the first antenna after the signal is detected in the detection step. When,
A method of controlling a power transmission device comprising: 送電装置から電力を受電する受電装置の制御方法であって、
前記送電装置からの第１時間より短い間欠送電を検出した後に、当該第１時間より長い第１送電が行われている間に前記送電装置に信号を送信する送信工程と、
前記信号の送信の後に、前記間欠送電及び前記第１送電より電力が大きい第２送電を前記送電装置が行うか否かを判定するための通信を、第１アンテナを介して行う通信工程と、
前記通信工程における通信に応じて、前記送電装置からの前記第２送電を、前記第１アンテナと異なる第２アンテナを介して受電する受電工程と、
を備えることを特徴とする受電装置の制御方法。 A method of controlling a power receiving device that receives power from a power transmitting device,
After detecting intermittent power transmission shorter than the first time from the power transmission device, a transmission step of transmitting a signal to the power transmission device while the first power transmission longer than the first time is performed;
A communication step of performing communication for determining whether or not the power transmission device performs second power transmission with higher power than the intermittent power transmission and the first power transmission after transmission of the signal, via a first antenna;
In response to communication in the communication step, the second power transmission from the power transmission device is received via a second antenna different from the first antenna;
A method for controlling a power receiving apparatus. コンピュータを、請求項１から１６のいずれか１項に記載の送電装置の各手段として機能させるためのプログラム。   The program for functioning a computer as each means of the power transmission apparatus of any one of Claim 1 to 16. コンピュータを、請求項１７から２４のいずれか１項に記載の受電装置の各手段として機能させるためのプログラム。   The program for functioning a computer as each means of the power receiving apparatus of any one of Claims 17-24.
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EP14718785.0A EP2987220A1 (en) 2013-04-19 2014-03-28 Power transmitting apparatus, power receiving apparatus, control methods thereof, and program
US14/770,773 US9800061B2 (en) 2013-04-19 2014-03-28 Power transmitting apparatus, power receiving apparatus, control methods thereof, and program
RU2015149643A RU2625818C2 (en) 2013-04-19 2014-03-28 Power transmission device, power receiving device, methods for their control and programme
BR112015024232A BR112015024232A2 (en) 2013-04-19 2014-03-28 power transmission apparatus, power receiving apparatus, method of control thereof, and program
CN201480022347.4A CN105164888A (en) 2013-04-19 2014-03-28 Power transmitting apparatus, power receiving apparatus, control methods thereof, and program
PCT/JP2014/059908 WO2014171349A1 (en) 2013-04-19 2014-03-28 Power transmitting apparatus, power receiving apparatus, control methods thereof, and program
KR1020157032270A KR101776451B1 (en) 2013-04-19 2014-03-28 Power transmitting apparatus, power receiving apparatus, control methods thereof, and computer readable storage medium
US15/705,589 US10135261B2 (en) 2013-04-19 2017-09-15 Power transmitting apparatus, power receiving apparatus, control methods thereof, and program
US16/141,823 US10601229B2 (en) 2013-04-19 2018-09-25 Power transmitting apparatus, power receiving apparatus, control methods thereof, and program
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