WO2011160411A1 - 无线电力接收装置与无线电力传送*** - Google Patents
无线电力接收装置与无线电力传送*** Download PDFInfo
- Publication number
- WO2011160411A1 WO2011160411A1 PCT/CN2010/080198 CN2010080198W WO2011160411A1 WO 2011160411 A1 WO2011160411 A1 WO 2011160411A1 CN 2010080198 W CN2010080198 W CN 2010080198W WO 2011160411 A1 WO2011160411 A1 WO 2011160411A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- voltage
- wireless power
- circuit
- power supply
- supply circuit
- Prior art date
Links
Classifications
-
- 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
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
- H02H3/207—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage also responsive to under-voltage
Definitions
- the present invention relates to a power transmission technique, and more particularly to a wireless power receiving apparatus capable of detecting a coupling of wireless power transmission and a wireless power transmission system to which the wireless power receiving apparatus is applied.
- the present invention provides a wireless power receiving device that can output a warning signal when a coupling voltage exceeds a preset operating voltage range.
- the present invention also provides a wireless power transfer system that can output a warning signal when the coupling changes.
- the present invention proposes a wireless power receiving device that is coupled to a wireless power transmitting device.
- the wireless power receiving device includes a receiving coil, a power supply circuit, and an alarm slip Yuan.
- the above-mentioned receiving coil generates and outputs a coupling voltage when coupling occurs.
- the power supply circuit includes a first receiving end, the first receiving end of the power supply circuit is electrically coupled to the receiving coil, and the coupling voltage is compared with a preset operating voltage range for the coupling voltage to exceed the preset working voltage.
- a warning signal is generated and output during the range.
- the alarm unit is electrically coupled to the power supply circuit to receive and output a warning signal.
- the power supply circuit includes a rectifying circuit, an AC-DC converter, a voltage stabilizing circuit, a comparator, and a control circuit, which are electrically connected in sequence, and the rectifying circuit is electrically connected to the first receiving end.
- the first receiving end receives the coupling voltage from the receiving coil
- the rectifying circuit rectifies and filters the coupling voltage to be transmitted to the AC-DC converter, and the AC voltage received by the AC-DC converter is converted into a DC voltage.
- the comparator compares the DC voltage received from the voltage stabilizing circuit with a built-in preset operating voltage range, and transmits the comparison result to the control circuit.
- the control circuit when the DC voltage converted by the coupling voltage is less than or greater than a voltage value within the preset operating voltage range, the control circuit generates a control signal and outputs the signal to the alarm unit to control the alarm unit to issue The alarm signal; conversely, when the DC voltage converted by the coupling voltage is within the preset operating voltage range, the control circuit uses the DC voltage converted by the coupling voltage as the operating voltage, and outputs the operating voltage to the internal circuit.
- the power supply circuit further includes a second receiving end. The power supply circuit determines whether the second receiving end has an input voltage after outputting the warning signal.
- the output of the operating voltage is stopped.
- the power supply circuit determines that the second receiving terminal has an input voltage within a preset period
- the input voltage is processed and output.
- the wireless power receiving device further includes an internal circuit. This internal circuit is used to receive the processed input voltage.
- the input voltage is a commercial power source.
- the wireless power receiving device further includes an internal circuit.
- the internal circuit is electrically connected to the power supply circuit for receiving the operating voltage.
- the alarm unit includes a micro control unit, a data storage module, a data processing module, and an information output module, wherein the micro control unit is respectively electrically connected to the data storage module, the data processing module, and the information output module.
- the data connection module is further electrically connected to the data storage module and the information output module respectively.
- the present invention further proposes a wireless power transmission system including a wireless power transmitting terminal and a radio power receiving device.
- the wireless power receiving device is coupled to the wireless power transmitting device, and the coupling voltage generated by the coupling is compared with a preset operating voltage range to output a warning signal when the coupling voltage exceeds the preset operating voltage range.
- the invention detects a coupling voltage of the wireless power receiving device to output a warning signal when the coupling voltage exceeds a preset operating voltage range, and allows the user to decide whether to supply power to the wireless power receiving device or the wireless power receiving device by other means. Automatically shut down, so that the user can intuitively judge the current voltage condition, avoiding the user's misuse of the home appliance, and better protecting the home appliance.
- FIG. 1 is a circuit block diagram of a wireless power transmission system according to an embodiment of the present invention.
- Fig. 2 is a block diagram showing a power supply circuit of a wireless power transmission system according to an embodiment of the present invention.
- FIG. 1 is a circuit block diagram of a wireless power transmission system according to an embodiment of the present invention.
- the wireless power transfer system 100 includes a wireless power transmitting device 102 and a wireless circuit receiving end 106.
- the wireless power transmitting device 102 is electrically coupled to the commercial power source 104 to receive the commercial power voltage, and is processed and coupled to the receiving coil 108 of the wireless circuit receiving end 106 through a transmitting coil (not shown). Power is thus transmitted to the wireless circuit receiving end 106.
- the wireless circuit receiving end 106 can be, for example, a television, but is not limited thereto.
- the wireless circuit receiving end 106 includes a receiving coil 108, a power supply circuit 110, an internal circuit 112, and an alarm unit 114.
- the receiving coil 108 is adapted to couple with a transmitting coil of the wireless power transmitting end 102 to generate and output a coupling voltage.
- the power supply circuit 110 has a first receiving end 118 and a second receiving end 120.
- the first receiving end 118 of the power supply circuit 110 is electrically coupled to the receiving coil 108.
- the second receiving end 120 of the power supply circuit 110 is electrically coupled.
- the plug 116 is a plug adapted to be electrically connected to the commercial power source 106.
- the first receiving end 118 of the power supply circuit 110 receives the coupling voltage from the receiving coil 108 and compares the coupling voltage to a built-in preset operating voltage range.
- the power supply circuit 110 When the coupling voltage exceeds the preset operating voltage range, that is, less than the minimum voltage value within the preset operating voltage range or greater than the maximum voltage value within the preset operating voltage range, the power supply circuit 110 generates a control signal, and The control signal is output to the alarm unit 114.
- the power supply circuit 110 converts the coupled voltage into an operating voltage and outputs the operating voltage to the internal circuit 112.
- the process of converting the coupling voltage into the operating voltage by the power supply circuit 110 includes AC-DC voltage conversion, voltage regulation, voltage reduction, etc., but not limited thereto. .
- FIG. 2 is a block diagram of a power supply circuit of a wireless power transmission system according to an embodiment of the invention.
- the power supply circuit 110 includes a rectifier circuit 111, an alternating current-direct current (AD) converter 113, a voltage stabilization circuit 115, a comparator 117, and a control circuit 119.
- the rectifier circuit 111, the AC-DC (AD) converter 113, the voltage stabilization circuit 115, the comparator 117, and the control circuit 119 are electrically connected.
- the rectifier circuit 111 is electrically connected to the first receiving end 118,
- the first receiving end 118 of the power supply circuit 110 receives the coupling voltage from the receiving coil 108, and the rectifying circuit 111 rectifies and filters the coupling voltage, and transmits the rectified and filtered AC voltage to the AD converter 113.
- the AC voltage received by the AD converter 113 is converted into a DC voltage, and the DC voltage is transmitted to the voltage stabilization circuit 115.
- the voltage stabilizing circuit 115 is for stably outputting the DC voltage.
- the comparator 117 receives the DC voltage from the voltage stabilizing circuit 115, and compares the DC voltage converted by the coupled voltage with a built-in preset operating voltage range, and transmits the comparison result to the control circuit 119.
- the control circuit 119 When the DC voltage of the coupled voltage conversion is less than or greater than the voltage value within the preset operating voltage range, the control circuit 119 generates a control signal, and outputs the control signal to the alarm unit 114 to control the alarm unit 114 to issue The police only signal. On the contrary, when the DC voltage of the coupled voltage conversion is within the preset operating voltage range, the control circuit 119 uses the DC voltage converted by the coupled voltage as the operating voltage, and outputs the operating voltage to the internal circuit 112.
- the timing mechanism is started, and it is determined whether the second receiving terminal 120 has an input voltage during the preset period. That is, it is judged whether or not the user connects the plug 116 to the commercial power source 104 during the preset period.
- the control circuit 119 of the power supply circuit 110 determines that the second receiving terminal 120 has no input voltage for a preset period, the output of the operating voltage is stopped. In other words, since the power required for the operation of the internal circuit 112 cannot be provided due to the coupling voltage, and the second receiving end 120 of the power supply circuit 110 has no input voltage, in order to protect the internal circuit 112, the control circuit of the power supply circuit 110 119 stops outputting the operating voltage to internal circuit 112 to turn off wireless circuit receiving end 106.
- the power supply circuit 110 determines that the second receiving terminal 120 has an input voltage within a preset period, the input voltage is used as a power source of the wireless circuit receiving terminal 106. In other words, since the power required for the operation of the internal circuit 112 cannot be provided due to the coupling voltage, the power supply circuit 110 performs AC-DC voltage conversion, voltage regulation, voltage reduction, etc. on the input voltage, and then outputs the internal circuit. 112 The operating voltage of the required power for operation.
- the alarm unit 114 is electrically coupled to the control circuit 119 of the power supply circuit 110 to receive the control signal from the power supply circuit 110.
- the alarm unit 114 can issue a warning to the user, for example, in a light or voice manner.
- the alarm unit 114 issues a "voltage abnormality, please switch the power supply mode.
- the alarm unit 114 issues a voice prompt or a text prompt of "voltage abnormality, please shut down".
- FIG. 3 is a block diagram of a police unit 114 of a wireless power transmission system according to an embodiment of the invention.
- the alarm unit 114 includes a micro control unit (MCU) 121, a data storage module 122, a data processing module 123, and an information output module 124.
- the MCU 121 is electrically connected to the data storage module 122, the data processing module 123, and the information output module 124, respectively.
- the data processing module 123 is further electrically connected to the data storage module 122 and the information output module 124, respectively.
- the MCU 121 is electrically connected to the control circuit 119 of the power supply circuit 110.
- the MCU 121 receives the control signal from the control circuit 119, and processes the control signal to output it to the data processing module 123.
- the data storage module 122 is electrically connected to the MCU 121 for storing preset alarm information. For example, when the power supply circuit 110 determines that the coupling voltage exceeds the preset operating voltage range, the voltage abnormality is generated, and the power supply mode is switched. If the second receiving end 120 of the power supply circuit 110 has no input voltage within a preset time, a voice prompt or a text prompt of "voltage abnormality, please turn off" is issued.
- the data processing module 123 is connected to the MCU 121, the data storage module 122, and the information output module 124, and is configured to receive the control signal output by the MCU 121 and retrieve the matching alarm information in the data storage module 122.
- the information output module 124 is connected to the MCU 121 and the data processing module 123, respectively, for outputting the alarm information transmitted in the data processing module 123. It can be understood that the information output module 124 can include a voice module, a display module, or a combination of the two for outputting alarm information in the form of voice, image text, or both.
- the input voltage provided by mains power source 104 can be, for example, an alternating voltage of 220 volts or 110 volts.
- the combination between the wireless power transmitting end 102 and the wireless circuit receiving end 106 is electromagnetically coupled.
- the present invention can detect the coupling voltage of the wireless power receiving device to output a warning signal when the coupling voltage exceeds the preset operating voltage range, and let the user decide whether to supply power to the wireless power receiving device by other means or
- the wireless power receiving device automatically shuts down, so that the user can intuitively judge the current voltage condition and avoid the user's misuse of the home appliance product. Occurs to better protect home appliances.
- the invention can detect the coupling voltage of the wireless power receiving device to output a warning signal when the coupling voltage exceeds the preset working voltage range, and let the user decide whether to supply power to the wireless power receiving device or the wireless power receiving device by other means. Automatically shut down, so that the user can intuitively judge the current voltage condition, avoiding the user's misuse of the home appliance, and better protecting the home appliance.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Protection Of Static Devices (AREA)
- Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013515671A JP5571848B2 (ja) | 2010-06-24 | 2010-12-23 | 無線電力受信装置及び無線電力伝送システム |
EP10853549.3A EP2587628A4 (en) | 2010-06-24 | 2010-12-23 | DEVICE FOR WIRELESS RECEPTION OF ELECTRICAL ENERGY AND SYSTEM FOR THE WIRELESS TRANSMISSION OF ELECTRICAL ENERGY |
US13/701,484 US20130069446A1 (en) | 2010-06-24 | 2010-12-23 | Wireless electric power receiving device and wireless electric power transmission system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010208327.XA CN102299566B (zh) | 2010-06-24 | 2010-06-24 | 无线电力接收装置与无线电力传送*** |
CN201010208327.X | 2010-06-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011160411A1 true WO2011160411A1 (zh) | 2011-12-29 |
Family
ID=45359804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2010/080198 WO2011160411A1 (zh) | 2010-06-24 | 2010-12-23 | 无线电力接收装置与无线电力传送*** |
Country Status (5)
Country | Link |
---|---|
US (1) | US20130069446A1 (zh) |
EP (1) | EP2587628A4 (zh) |
JP (1) | JP5571848B2 (zh) |
CN (1) | CN102299566B (zh) |
WO (1) | WO2011160411A1 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2689148T3 (es) * | 2011-03-11 | 2018-11-08 | Haier Group Corporation | Dispositivo y método de suministro de potencia inalámbrico |
KR101428161B1 (ko) * | 2012-04-26 | 2014-08-07 | 엘지이노텍 주식회사 | 무선전력 수신장치 및 그의 전력 제어 방법 |
JP5939314B2 (ja) * | 2013-06-05 | 2016-06-22 | 株式会社村田製作所 | 電子装置およびワイヤレス電力伝送システム |
US20150256098A1 (en) * | 2014-03-04 | 2015-09-10 | Nxp B.V. | Mains power converter, and methods of operating and equipment incorporating the same |
TWI535369B (zh) * | 2014-04-02 | 2016-05-21 | 建準電機工業股份有限公司 | 風扇 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1200643A (zh) * | 1997-05-23 | 1998-12-02 | 松下电器产业株式会社 | 固定用户单元 |
CN1208205A (zh) * | 1997-08-12 | 1999-02-17 | 三菱电机株式会社 | 带有电源监视器的非接触型ic卡 |
US20050064825A1 (en) * | 2003-09-18 | 2005-03-24 | Timothy Forrester | Communication device with diversity antenna |
JP2006121822A (ja) * | 2004-10-21 | 2006-05-11 | Matsushita Electric Ind Co Ltd | 無線通信装置及び無線通信装置における電力増幅回路の異常検出方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001352698A (ja) * | 2000-06-06 | 2001-12-21 | Funai Electric Co Ltd | 電源制御装置、電源制御システム、および、電子機器 |
JP3505618B2 (ja) * | 2000-09-04 | 2004-03-08 | 株式会社椿本チエイン | 給電装置、搬送車及び搬送システム |
EP2073337A1 (en) * | 2006-10-11 | 2009-06-24 | Panasonic Corporation | Electronic device and charging control method |
JP4650407B2 (ja) * | 2006-12-12 | 2011-03-16 | ソニー株式会社 | 無線処理システム、無線処理方法及び無線電子機器 |
JP4885004B2 (ja) * | 2007-02-20 | 2012-02-29 | ソニー・エリクソン・モバイルコミュニケーションズ株式会社 | 携帯端末及び送電装置、無接点電力伝送システム |
JP4289408B2 (ja) * | 2007-02-27 | 2009-07-01 | ブラザー工業株式会社 | コードレス電話装置 |
JP2010104203A (ja) * | 2008-10-27 | 2010-05-06 | Seiko Epson Corp | 送電制御装置、送電装置、受電制御装置、受電装置、電子機器、及び無接点電力伝送システム |
CN103208830B (zh) * | 2008-12-12 | 2016-06-22 | 英特尔公司 | 非接触输电设备的电力传输的控制方法及非接触输电设备 |
-
2010
- 2010-06-24 CN CN201010208327.XA patent/CN102299566B/zh active Active
- 2010-12-23 JP JP2013515671A patent/JP5571848B2/ja active Active
- 2010-12-23 EP EP10853549.3A patent/EP2587628A4/en not_active Withdrawn
- 2010-12-23 WO PCT/CN2010/080198 patent/WO2011160411A1/zh active Application Filing
- 2010-12-23 US US13/701,484 patent/US20130069446A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1200643A (zh) * | 1997-05-23 | 1998-12-02 | 松下电器产业株式会社 | 固定用户单元 |
CN1208205A (zh) * | 1997-08-12 | 1999-02-17 | 三菱电机株式会社 | 带有电源监视器的非接触型ic卡 |
US20050064825A1 (en) * | 2003-09-18 | 2005-03-24 | Timothy Forrester | Communication device with diversity antenna |
JP2006121822A (ja) * | 2004-10-21 | 2006-05-11 | Matsushita Electric Ind Co Ltd | 無線通信装置及び無線通信装置における電力増幅回路の異常検出方法 |
Also Published As
Publication number | Publication date |
---|---|
CN102299566A (zh) | 2011-12-28 |
JP5571848B2 (ja) | 2014-08-13 |
US20130069446A1 (en) | 2013-03-21 |
EP2587628A4 (en) | 2014-05-07 |
EP2587628A1 (en) | 2013-05-01 |
CN102299566B (zh) | 2015-12-09 |
JP2013529883A (ja) | 2013-07-22 |
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