WO2011160410A1 - 电子装置及其无线供电系统、无线供电方法 - Google Patents

电子装置及其无线供电系统、无线供电方法 Download PDF

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Publication number
WO2011160410A1
WO2011160410A1 PCT/CN2010/080194 CN2010080194W WO2011160410A1 WO 2011160410 A1 WO2011160410 A1 WO 2011160410A1 CN 2010080194 W CN2010080194 W CN 2010080194W WO 2011160410 A1 WO2011160410 A1 WO 2011160410A1
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WO
WIPO (PCT)
Prior art keywords
module
power supply
wireless power
power
transmitting end
Prior art date
Application number
PCT/CN2010/080194
Other languages
English (en)
French (fr)
Inventor
喻子达
刘超
白冰
徐一龙
Original Assignee
海尔集团公司
青岛海尔电子有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 海尔集团公司, 青岛海尔电子有限公司 filed Critical 海尔集团公司
Priority to JP2013515670A priority Critical patent/JP2013529882A/ja
Priority to US13/700,887 priority patent/US20130140900A1/en
Priority to EP10853548.5A priority patent/EP2587627A4/en
Publication of WO2011160410A1 publication Critical patent/WO2011160410A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/63—Generation or supply of power specially adapted for television receivers
    • 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
    • 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—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—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads

Definitions

  • the present invention relates to a wireless power supply technology, and more particularly to a wireless power-operated electronic device and a wireless power supply system and wireless power supply method for use with the electronic device.
  • Home electronics such as televisions that draw power from a power source typically need to be accessed by direct contact between conductors. Therefore, when the electronic device uses a power source, for example, an AC power source, a power cord needs to be connected to the power source. However, due to the limitation of the power cord, the placement position of the home electronic device such as a television is limited, which brings a great Inconvenience.
  • a wireless power supply technology using magnetic coupling resonance for power transmission which uses non-radiative magnetic coupling, that is, two resonant objects of the same frequency to generate strong mutual coupling, and a single layer coil is used to form a common
  • the resonant circuit does not emit electromagnetic waves, reducing energy waste.
  • the efficiency is about 40% when the transmission is 2 meters, and the efficiency can be as high as about 90% when the distance is 1 meter. It will be a widely used wireless power supply technology. .
  • wireless power supply technology can be applied to various electronic devices, such as home electronic devices such as televisions, it will provide users with great convenience, and can achieve high-efficiency power supply and low electromagnetic interference.
  • the wireless power supply mode will effectively solve the problems of messy room wiring, fixed home appliance location, and destruction of the wall of the living room by the socket, providing more convenience for people's lives.
  • wireless power supply can also save a lot of copper, plastic, rubber and other materials used for wiring, saving resources, reducing pollution, and low carbon environmental protection.
  • the present invention provides a wireless power supply system suitable for an electronic device having a power detection function.
  • the present invention also provides an electronic device that is operable in a wireless power mode and has a power detection function.
  • the present invention further provides a wireless power supply method suitable for use in an electronic device.
  • the present invention provides an electronic device including an internal functional circuit and a wireless power supply system.
  • the wireless power supply system includes a wireless power transmitting end, a wireless power receiving end, and a power detecting unit.
  • the wireless power transmitting end includes an electrically coupled transmitting end control module and a transmitting end power supply module.
  • the wireless power receiving end wirelessly receives power from the transmitting power supply module.
  • the power detection unit includes a power detection module, a processor and an alarm module that are electrically coupled in sequence, and the processor is also electrically coupled to the internal function circuit.
  • the power detection module detects the power parameter of the wireless power receiving end, and the processor compares the power parameter with the built-in preset range.
  • the processor When the power parameter is located in the preset range, the processor outputs the voltage of the wireless power receiving end to the internal The function circuit; when the power parameter of the wireless power receiving end exceeds the preset range, the processor generates a warning signal and outputs the warning signal to the alarm module.
  • the power detection unit further includes a control adjustment module electrically coupled to the processor.
  • the processor When the power parameter of the wireless power receiving end exceeds a preset range, the processor further generates an adjustment signal, and adjusts the signal.
  • the output is sent to the control adjustment module, and the control adjustment module sends a control signal to the transmitting end control module according to the adjustment signal, so that the transmitting end control module controls the transmitting end power supply module to automatically adjust the power supply.
  • the transmitting end control module controls the transmitting end power supply module to automatically adjust the power supply mode by adjusting the input current of the transmitting end control module to adjust the resonant frequency of the transmitting coupling coil of the transmitting end control module.
  • the transmitting end control module controls the transmitting end power supply module to automatically adjust the power supply power by adjusting the input voltage of the transmitting end control module to adjust the resonant amplitude of the transmitting end control module, but not limited thereto. .
  • the alarm module displays a prompt message or a prompt tone when the power supply module of the transmitting end automatically adjusts the power supply.
  • the alarm module comprises a display unit, a speech unit or a sum of the two.
  • the voice unit of the alarm module is a buzzer.
  • the electronic device further includes a backup power source, the backup power source and the internal
  • the function circuit and the processor are electrically coupled.
  • the processor further generates a power switching signal, and outputs the power switching signal to the transmitting end control module and the standby power source to enable the transmitting
  • the end control module turns off the power supply module of the transmitting end and connects to the standby power supply.
  • the backup power source is an internal battery of the electronic device or an AC input circuit for commercial power input.
  • the invention also provides a wireless power supply system comprising a wireless power transmitting end, a wireless power receiving end and a power detecting unit.
  • the wireless power transmitting end includes an electrically coupled transmitting end control module and a transmitting end power supply module.
  • the wireless power receiving end wirelessly receives power from the transmitting power supply module.
  • the power detection unit includes a power detection module, a processor and an alarm module that are electrically coupled in sequence, and the processor is also electrically coupled to the internal function circuit.
  • the power detection module detects the working voltage received from the wireless power receiving end, and the processor compares the working voltage with the built-in preset working voltage range.
  • the processor When the working voltage is within the preset working voltage range, the processor will The working voltage is output to the internal function circuit; when the working voltage output by the wireless power receiving end exceeds the preset working voltage range, the processor generates a warning signal and outputs the warning signal to the alarm module.
  • the power detection unit further includes a control adjustment module electrically coupled to the processor, and the processor further generates an adjustment signal when the operating voltage output by the wireless power receiving end exceeds the preset operating voltage range. And outputting the adjustment signal to the control adjustment module, and the control adjustment module sends a control signal to the transmitting end control module according to the adjustment signal, so that the transmitting end control module controls the transmitting end power supply module to automatically adjust the power supply.
  • the present invention further provides a wireless power supply method, comprising the steps of: a wireless power receiving end and a wireless power transmitting end inductively generating a wireless power; a power detecting unit detecting a power parameter of the wireless power receiving end; and the power parameter
  • the preset range is compared.
  • the wireless power of the wireless power receiving end is output as an operating voltage to an internal circuit of the electronic device; when the power parameter of the wireless power receiving end exceeds the preset In the range, a warning signal is generated and a warning signal is output to the alarm module.
  • the wireless power supply method when the power parameter of the wireless power receiving end exceeds the preset range, the wireless power supply method further includes the steps of: generating an adjustment signal, and outputting the adjustment signal to the control adjustment module, and the control adjustment module And sending a control signal to the transmitting end control module according to the adjusting signal, so that the transmitting end control module controls the transmitting end power supply module to automatically adjust the power supply power.
  • the invention detects the power outputted by the wireless power supply system, and automatically adjusts the wireless power output of the wireless power supply system according to the detection result, and simultaneously switches the power mode and issues an alarm message, so that the electronic device can maximize
  • the ground works in a normal state, improves the connection stability of the wireless power supply and the electronic device, is beneficial to the normal operation of the electronic device, and achieves an efficient and stable power supply.
  • FIG. 1 is a block diagram showing the structure of an electronic device in accordance with a preferred embodiment of the present invention.
  • FIG. 2 is a structural diagram of an electronic device according to another preferred embodiment of the present invention.
  • BEST MODE FOR CARRYING OUT THE INVENTION The specific embodiments, structures, features and effects of the stereoscopic display device according to the present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments.
  • FIG. 1 shows a structural block diagram of an electronic device related to a first embodiment of the present invention.
  • the electronic device 100 includes an internal circuit 30 in addition to the wireless power supply system 10, and the internal circuit 30 is an internal functional circuit of the electronic device 100, such as an audio and video processing circuit.
  • the electronic device 100 is supplied with power from the wireless power supply system 10 and input to the internal circuit 30 of the electronic device 100 to supply the operating voltage to the electronic device 100.
  • the electronic device 100 is, for example, a television set, but is not limited thereto.
  • the wireless power supply system 10 includes a wireless power transmitting end 11, a wireless power receiving end 12, and a power detecting unit 13.
  • the wireless power transmitting end 11 can be connected to the external power source through a plug and a socket.
  • the external power source is the commercial power source 20, but the connection mode is not limited in the present invention.
  • the wireless power transmitting end 11 includes an electrically coupled transmitting end control module 111 and The emitter power supply module 112.
  • the wireless power transmitting end 11 is electrically coupled to the commercial power source 20 to receive the mains voltage, and is processed and transmitted through the transmitting coupling coil (not shown) of the transmitting end power supply module 112 and the wireless power receiving end 12 A receiving coupling coil (not shown) is resonantly coupled to transmit power to the wireless power receiving end 12.
  • the wireless power receiving terminal 12 converts the induced voltage receiving the coupled coil into an operating voltage, and further outputs the operating voltage to the internal circuit 30 via the power detecting unit 13.
  • the process of converting the induced voltage into the operating voltage by the wireless power receiving terminal 12 includes performing AC-DC voltage conversion, voltage regulation, voltage reduction, etc. on the induced voltage, but none of them limit.
  • the power detecting unit 13 includes a power detecting module 131, a processor 132, an alarm module 133, and a control adjusting module 134.
  • the power detection module 131, the processor 132, and the alarm module 133 are electrically coupled in sequence.
  • the processor 132 is electrically coupled to the control adjustment module 134 and the internal circuit 30.
  • the alarm module 133 may further include a display unit (not shown), a speech unit (not shown), or a sum of the two.
  • the display unit may be a display screen of the electronic device 100, and the voice unit may be a buzzer.
  • the power detection module 131 detects the power parameters (such as operating voltage, current, etc.) of the wireless power receiving end 12, and the processor 132 compares the power parameters with the built-in preset range.
  • the power parameter is described by taking a voltage as an example, but the invention is not limited thereto.
  • the power detection module 131 detects the operating voltage of the wireless power receiving terminal 12, and the processor 132 compares the operating voltage with the built-in preset operating voltage range. When the operating voltage is within the preset operating voltage range, the processor 132 outputs the operating voltage to the internal circuit 30.
  • the processor 132 when the operating voltage output by the wireless power receiving terminal 12 is less than or greater than the voltage value within the preset operating voltage range, the processor 132 generates a warning signal and outputs the warning signal to the alarm module 133. At the same time, the processor 132 generates an adjustment signal and outputs the adjustment signal to the control adjustment module 134.
  • the control adjustment module 134 sends a control signal to the wireless power receiving end 12 and the transmitting end control module 111 according to the adjustment signal.
  • the transmitting end control module 111 controls the transmitting end power supply module 112 to adjust the power supply.
  • the transmitting end control module 111 controls the transmitting end power supply module 112 to adjust the power supply power by adjusting the input current of the transmitting end control module 111 to adjust the transmitting coupling coil of the transmitting end control module 111.
  • the resonant frequency, or the input voltage of the transmitting end control module 111 is adjusted to adjust the resonant amplitude of the transmitting end control module 112, but is not limited thereto.
  • the transmitting coupling coil of the transmitting end power supply module 112 and the receiving coupling coil of the wireless power receiving end 12 are resonantly coupled after being adjusted, thereby inputting the adjusted operating voltage to the power detecting module 131, thereby realizing automatic adjustment of the wireless power.
  • the display unit of the alarm module 133 can display the information of "wireless power automatic adjustment, please wait".
  • the information content is not limited thereto.
  • the voice unit of the alarm module 133 can emit a predetermined sound to prompt the user.
  • the electronic device 100 automatically shuts down.
  • the electronic device 200 of the second preferred embodiment of the present invention includes an internal circuit 30 and a backup power source 40 in addition to the wireless power supply system 10, and the backup power source 40 is electrically coupled to the internal circuit 30.
  • the electronic device 200 is supplied with power from the wireless power supply system 10 and input to the internal circuit 30 of the electronic device 200 to supply the operating voltage to the electronic device 200.
  • the electronic device 100 is, for example, a television set, but is not limited thereto.
  • This internal circuit 30 is an internal functional circuit of the electronic device 100, such as an audio and video processing circuit or the like.
  • the wireless power supply system 10 includes a wireless power transmitting terminal 11, a wireless power receiving terminal 12, and a power detecting unit 13.
  • the wireless power transmitting end 11 can be connected to the commercial power source 20 through a plug and a socket, and the connection manner is not limited in the present invention.
  • the wireless power transmitting end 11 includes an electrically coupled transmitting end control module 111 and a transmitting end power supply module 112.
  • the wireless power transmitting end 11 is electrically coupled to the commercial power source 20 to receive the commercial power voltage, and is processed and transmitted through the transmitting coupling coil (not shown) of the transmitting end power supply module 112 and the wireless power receiving end 12
  • a receiving coupling coil (not shown) is resonantly coupled to transmit power to the wireless power receiving end 12.
  • the wireless power receiving terminal 12 converts the induced voltage receiving the coupled coil into an operating voltage, and further outputs the operating voltage to the internal circuit 30 via the power detecting unit 13.
  • the process of converting the induced voltage into the operating voltage by the wireless power receiving terminal 12 includes performing AC-DC voltage conversion, voltage regulation, voltage reduction, etc. on the induced voltage, but none of them limit.
  • the power detecting unit 13 includes a power detecting module 131, a processor 132, and an alarm module 133 that are electrically coupled in sequence.
  • the processor 132 is electrically coupled to the internal circuit 30 and the backup power source 40.
  • the alarm module 133 may further include a display unit (not shown), a voice unit (not shown), or a sum of the two.
  • the wireless power receiving terminal 12 converts the induced voltage receiving the coupled coil into an operating voltage, and further outputs the operating voltage to the internal circuit 30 via the power detecting unit 13.
  • the process of converting the induced voltage into the operating voltage by the wireless power receiving terminal 12 includes performing AC-DC voltage conversion, voltage regulation, voltage reduction, etc. on the induced voltage, but none of them limit.
  • the power detecting unit 13 includes a power detecting module 131, a processor 132, an alarm module 133, and a control adjusting module 134.
  • the power detection module 131, the processor 132, and the alarm module 133 are electrically coupled in sequence.
  • the processor 132 is electrically coupled to the control adjustment module 134 and the internal circuit 30.
  • the alarm module 133 may further include a display unit (not shown), a speech unit (not shown), or a sum of the two.
  • the display unit may be a display screen of the electronic device 100, and the voice unit may be a buzzer.
  • the power detection module 131 detects the operating voltage received from the wireless power receiving terminal 12, and the processor 132 compares the operating voltage with the built-in preset operating voltage range. When the operating voltage is within the predetermined operating voltage range, the processor 132 outputs the operating voltage to the internal circuit 30. On the other hand, when the operating voltage output by the wireless power receiving terminal 12 is less than or greater than the voltage value within the preset operating voltage range, the processor 132 generates a warning signal and outputs the warning signal to the alarm module 133.
  • the processor 132 generates a power switching signal, and outputs the power switching signal to the transmitting end control module 111 and the backup power source 40, so that the transmitting end control module 111 turns off the transmitting end power supply module 112, and simultaneously connects the standby power supply 40, that is, switches.
  • the backup power source 40 supplies power to the electronic device 200.
  • the backup power source 40 is, for example, an internal battery of the electronic device 200 or an AC input circuit for commercial power input. If the backup power source 40 is an internal battery, during this process, the display unit of the alarm module 133 may display a message "Wireless power abnormality, please adjust" to prompt the user to manually adjust the wireless power transmitting end of the wireless power supply system, of course, information The content is not limited to this. Alternatively, the voice unit of the alarm module 133 can issue a predetermined sound to prompt the user.
  • the display unit of the alarm module 133 may display a message "Wireless power is abnormal, please turn off” to prompt the user to turn off the electronic device 200.
  • the speech unit of the alarm module 133 can also emit a predetermined sound to prompt the user.
  • the alarm module can display the message "Wireless power abnormality, please switch power” to prompt the user to manually switch the electronic device 200 to the commercial power supply mode.
  • the above-mentioned power abnormality may be caused by a problem of coupling resonance, causing voltage instability or lower than a normal operating voltage, or a sudden change in voltage affected by the environment.
  • the above-mentioned alarm module 133 can also include an indicator light, and when the power is abnormal, the alarm is flashed.
  • the transmitting end power supply module 112 and the wireless power receiving end 12 of the wireless power feeding system in the embodiment of the present invention are not limited to use the magnetic coupling resonance mode to transmit power, and ⁇ Use other wireless coupling methods (such as electromagnetic induction) to achieve power transmission.
  • the invention also provides a wireless power supply method, comprising the steps of: providing a wireless power transmitting end
  • the device includes a wirelessly coupled transmitter control module 111 and a transmitter power supply module 111.
  • a wireless power receiving terminal 12 is provided to sense wireless power generated by the transmitting power supply module 111.
  • a power detecting unit 13 is provided.
  • the detecting unit 13 includes a power detecting module 131, a processor 132 and an alarm module 133, which are electrically coupled in sequence, and the power detecting module 13 detects the power parameter of the wireless power receiving end 12, and the processor 132 uses the power parameter and the built-in pre- The range is compared.
  • the processor 132 When the power parameter is located in the preset range, the processor 132 outputs the wireless power of the wireless power receiving end 12 as an operating voltage to the internal circuit 30 of the electronic device; when the power of the wireless power receiving end 12 is When the parameter exceeds the preset range, the processor 132 generates a warning signal and outputs the warning signal to the alarm module 133.
  • the wireless powering method further includes the steps of: the processor 132 generates an adjustment signal, and outputs the adjustment signal to the control adjustment module 134, and the control adjustment module 134 is configured according to The adjustment signal sends a control signal to the transmitting end control module 111, so that the transmitting end control module 111 controls the transmitting end power supply module 112 to automatically adjust the power supply.
  • the embodiment of the present invention detects the power outputted by the wireless power supply system, and automatically adjusts the wireless power output of the wireless power supply system according to the detection result, and simultaneously switches the power mode and issues an alarm message.
  • the electronic device can work in a normal state to the maximum extent, improve the connection stability of the wireless power supply and the electronic device, facilitate the normal operation of the electronic device, and achieve an efficient and stable power supply.
  • the invention detects the power outputted by the wireless power supply system, and automatically adjusts the wireless power output of the wireless power supply system according to the detection result, and simultaneously switches the power mode and issues an alarm message, so that the electronic device can maximize
  • the ground works in a normal state, improves the connection stability of the wireless power supply and the electronic device, is beneficial to the normal operation of the electronic device, and achieves an efficient and stable power supply.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Description

电子装置及其无线供电系统、 无线供电方法 技术领域
本发明涉及无线供电技术， 且特别是一种釆用无线供电的电子装置以及 该电子装置使用的无线供电系统及无线供电方法。
背景技术
电视机等家用电子装置从电源获取电力， 通常需要通过导体之间直接接 触来实现。 因此， 电子装置在使用电源时， 例如使用交流电源， 需要有一条 电源线与电源相连， 然而由于电源线的限制， 使得电视机等家用电子装置的 放置位置受限， 给使用者带来很大的不便。
目前， 一种利用磁耦合共振来进行电力传输的无线供电技术被提出， 其 利用非辐射性磁耦合， 也即两个相同频率的谐振物体产生很强的相互耦合， 釆用单层线圈共同组成谐振回路， 不会发射电磁波， 减少能量浪费。 当使用 缠绕了 5圈粗铜线作为天线的线圈， 在进行 2米传输时效率约为 40% , 距离 为 1米时效率可高达约 90% , 其将是一种应用非常广泛的无线供电技术。
因此， 如能将此种无线供电技术应用于各种电子装置， 例如电视机等家 用电子装置， 将会给使用者提供非常大的便利性， 而且能到高效电力供给以 及低电磁干扰等目的。 在保证安全的前提下， 无线供电方式将有效解决房间 布线繁乱、 家电位置固定、 居室墙面被插座破坏等问题， 为人们的生活提供 更多的便利。 与此同时， 无线供电还能大量节省布线所用的铜、 塑料、 橡胶 等材料， 节约资源， 减少污染， 低碳环保。
然而， 现如今， 上述无线供电电源设备在电视等电子装置中的应用还存 在一系列问题有待解决， 比如， 无线供电电源与电子设备的接驳稳定性等问 题。
发明内容
本发明提供一种适用于电子装置的无线供电系统，其具有电力检测功能。 本发明还提供一种电子装置， 其可工作在无线供电模式且具有电力检测 功能。
本发明再提供一种适用于电子装置的无线供电方法。
为达上述优点， 本发明提供一种电子装置， 其包括内部功能电路及无线 供电系统。 无线供电系统包括无线电力发射端、 无线电力接收端及电源检测 单元。 无线电力发射端包括电性耦接的发射端控制模块和发射端供电模块。 无线电力接收端从发射端供电模块无线接收电力。 电源检测单元包括依次电 性耦接的电力检测模块、 处理器及报警模块， 处理器还与内部功能电路电性 耦合。 电力检测模块检测无线电力接收端的电力参数， 处理器以此电力参数 与内建的预设范围作比较， 当此电力参数位于该预设范围时， 处理器则将无 线电力接收端的电压输出至内部功能电路； 当无线电力接收端的电力参数超 出该预设范围时， 处理器则产生警告信号， 并将警告信号输出至报警模块。
在本发明的一实施例中， 电源检测单元还包括与处理器电性耦接的控制 调节模块， 当无线电力接收端的电力参数超出预设范围时， 处理器还产生调 节信号， 并将调节信号输出至控制调节模块， 控制调节模块根据此调节信号 发出控制信号至发射端控制模块， 以使发射端控制模块控制发射端供电模块 自动调整供电电力。
在本发明的一实施例中， 发射端控制模块控制发射端供电模块自动调整 供电电力的方式是通过调整发射端控制模块的输入电流， 以调整发射端控制 模块的发射耦合线圈的谐振频率。
在本发明的一实施例中， 发射端控制模块控制发射端供电模块自动调整 供电电力的方式是调整发射端控制模块的输入电压， 以调整发射端控制模块 的谐振幅度， 但不以此为限。
在本发明的一实施例中， 报警模块在发射端供电模块自动调整供电电力 时， 显示提示信息或发出提示音。
在本发明的一实施例中，报警模块包括显示单元、语音单元或二者之和。 在本发明的一实施例中， 报警模块的语音单元为蜂鸣器。
在本发明的一实施例中， 电子装置还包括备用电源， 此备用电源与内部 功能电路及处理器电性耦合， 当无线电力接收端的电力参数超出该预设范围 时， 处理器还产生电力切换信号， 并将该电力切换信号输出至发射端控制模 块及备用电源， 以使发射端控制模块关闭发射端供电模块， 并连通备用电源。
在本发明的一实施例中， 备用电源是电子装置的内部蓄电池， 或是可供 市电输入的交流输入电路。
本发明还提出一种无线供电系统， 其包括无线电力发射端、 无线电力接 收端及电源检测单元。 无线电力发射端包括电性耦接的发射端控制模块和发 射端供电模块。 无线电力接收端从发射端供电模块无线接收电力。 电源检测 单元包括依次电性耦接的电力检测模块、 处理器及报警模块， 处理器还与内 部功能电路电性耦合。 电力检测模块检测从无线电力接收端接收到的工作电 压， 处理器以此工作电压与内建的预设工作电压范围作比较， 当此工作电压 位于该预设工作电压范围时， 处理器则将此工作电压输出至内部功能电路； 当无线电力接收端输出的工作电压超出该预设工作电压范围时， 处理器则产 生警告信号， 并将警告信号输出至报警模块。
在本发明的一实施例中， 电源检测单元还包括与处理器电性耦接的控制 调节模块， 当无线电力接收端输出的工作电压超出此预设工作电压范围时， 处理器还产生调节信号， 并将调节信号输出至控制调节模块， 控制调节模块 根据此调节信号发出控制信号至发射端控制模块， 以使发射端控制模块控制 发射端供电模块自动调整供电电力。
本发明再提出一种无线供电方法， 其包括步骤： 一无线电力接收端与一 无线电力发射端感应产生一无线电力； 一电源检测单元检测无线电力接收端 的电力参数； 及将此电力参数与内建的预设范围作比较， 当此电力参数位于 该预设范围时， 则将无线电力接收端的该无线电力作为工作电压输出至电子 装置的内部电路； 当无线电力接收端的电力参数超出该预设范围时， 则产生 警告信号， 并将警告信号输出至报警模块。
在本发明的一实施例中， 当无线电力接收端的电力参数超出该预设范围 时， 所述无线供电方法还包括步骤： 产生一调节信号， 并将调节信号输出至 控制调节模块， 控制调节模块根据该调节信号发出控制信号至发射端控制模 块， 以使发射端控制模块控制发射端供电模块自动调整供电电力。 本发明透过对无线供电系统输出的电力进行检测， 并根据检测结果对无 线供电系统的无线电力输出进行相应的自动调整， 同时， 还会切换电源模式 及发出报警信息， 使得电子装置能够最大限度地工作在正常状态， 提高无线 供电电源与电子装置的接驳稳定性， 有利于电子装置的正常运作， 达成高效 稳定的电力供给之目的。
上述说明仅是本发明技术方案的概述， 为了能够更清楚了解本发明的技 术手段， 而可依照说明书的内容予以实施， 并且为了让本发明的上述和其它 目的、 特征和优点能够更明显易懂， 以下特举实施例， 并配合附图， 详细说 明如下。 附图概述
图 1是本发明一较佳实施例的电子装置的结构框图。
图 2是本发明另一较佳实施例的电子装置的结构图。 本发明的较佳实施方式 以下结合附图及较佳实施例， 对依据本发明提出的立体显示装置的具体实施 方式、 结构、 特征及功效， 详细说明如后。
请参阅图 1 , 其示出相关于本发明第一实施例的电子装置的结构框图。 如图 1所示， 电子装置 100除无线供电系统 10之外，还包括内部电路 30, 此 内部电路 30为电子装置 100的内部功能电路， 例如音视频处理电路等。 电子 装置 100在无线供电模式下， 由无线供电系统 10提供电源电力并输入至电子 装置 100的内部电路 30, 以向电子装置 100提供工作电压。 电子装置 100例 如是电视机， 但不以此为限。
具体地， 无线供电系统 10包括无线电力发射端 11、 无线电力接收端 12 及电源检测单元 13。 其中， 无线电力发射端 11可通过插头及插座形式连接 至外部电源， 在本实施例中， 此外部电源为市电电源 20, 但本发明中此连接 方式不受限制。无线电力发射端 11包括电性耦接的发射端控制模块 111和发 射端供电模块 112。 无线电力发射端 11电性耦接至市电电源 20, 以接收市电 电压， 并将其经处理后透过发射端供电模块 112的发射耦合线圈 （未绘示） 与无线电力接收端 12的接收耦合线圈 (未绘示 )共振耦合， 从而将电力传输 至无线电力接收端 12。
无线电力接收端 12则将接收耦合线圈的感应电压转换成工作电压，并将 工作电压经电源检测单元 13进一步输出至内部电路 30。 在本发明的较佳实 施例中，无线电力接收端 12将感应电压转换成工作电压的过程包括对感应电 压作交流 -直流的电压转换、 稳压、 降压等过程， 但均不以此为限。
电源检测单元 13包括电力检测模块 131、 处理器 132、 报警模块 133及 控制调节模块 134。 其中， 电力检测模块 131、 处理器 132、 报警模块 133依 次电性耦合。同时，处理器 132与控制调节模块 134及内部电路 30电性耦合。 报警模块 133可进一步包括显示单元（未绘示） 、 语音单元（未绘示）或者 二者之和。 其中， 上述显示单元可为电子装置 100的显示屏， 语音单元可为 蜂鸣器。
电力检测模块 131检测无线电力接收端 12的电力参数（如工作电压、 电 流等）， 处理器 132以此电力参数与内建的预设范围作比较。 在本实施例中， 该电力参数以电压为例进行说明， 但本发明不以此为限。 在本实施例中， 电 力检测模块 131检测无线电力接收端 12的工作电压，处理器 132以此工作电 压与内建的预设工作电压范围作比较。 当此工作电压位于该预设工作电压范 围时， 处理器 132则将此工作电压输出至内部电路 30。 反之， 当无线电力接 收端 12输出的工作电压小于或大于该预设工作电压范围内的电压数值时，处 理器 132则产生警告信号， 并将警告信号输出至报警模块 133。 同时， 处理 器 132产生调节信号， 并将调节信号输出至控制调节模块 134。 控制调节模 块 134根据此调节信号发出控制信号至无线电力接收端 12及发射端控制模块 111。 发射端控制模块 111控制发射端供电模块 112调整供电电力。 本发明的 较佳实施例中， 发射端控制模块 111控制发射端供电模块 112调整供电电力 的方式可以是通过调整发射端控制模块 111的输入电流， 以调整发射端控制 模块 111的发射耦合线圈的谐振频率， 或是调整发射端控制模块 111的输入 电压， 以调整发射端控制模块 112的谐振幅度， 但不以此为限。 发射端供电模块 112的发射耦合线圈与无线电力接收端 12的接收耦合线 圈在调节后再共振耦合， 从而向电力检测模块 131输入调节后的工作电压， 从而实现无线电力的自动调整。 在此自动调整过程中， 报警模块 133的显示 单元可以显示 "无线电力自动调整中， 请稍候" 的信息， 当然， 信息内容不 以此为限。 亦或， 报警模块 133的语音单元可以发出一个预定的声音来提示 使用者。
进一步地， 如果自动调整失败， 电子装置 100则自动关机。
请参阅图 2 , 其绘示相关于本发明第二较佳实施例的电子装置的结构框 图。 如图 2所示， 本发明第二较佳实施例的电子装置 200除无线供电系统 10 之外，还包括内部电路 30和备用电源 40,备用电源 40与内部电路 30电性耦 合。 电子装置 200在无线供电模式下， 由无线供电系统 10提供电源电力并输 入至电子装置 200的内部电路 30, 以向电子装置 200提供工作电压。 电子装 置 100例如是电视机， 但不以此为限。 此内部电路 30为电子装置 100的内部 功能电路， 例如音视频处理电路等。
具体地， 无线供电系统 10包括无线电力发射端 11、 无线电力接收端 12 及电源检测单元 13。 其中， 无线电力发射端 11可通过插头及插座形式连接 至市电电源 20, 在本发明中此连接方式不受限制。 无线电力发射端 11 包括 电性耦接的发射端控制模块 111和发射端供电模块 112。 无线电力发射端 11 电性耦接至市电电源 20, 以接收市电电压， 并将其经处理后透过发射端供电 模块 112的发射耦合线圈（未绘示）与无线电力接收端 12的接收耦合线圈（未 绘示）共振耦合， 从而将电力传输至无线电力接收端 12。
无线电力接收端 12则将接收耦合线圈的感应电压转换成工作电压，并将 工作电压经电源检测单元 13进一步输出至内部电路 30。 在本发明的较佳实 施例中，无线电力接收端 12将感应电压转换成工作电压的过程包括对感应电 压作交流 -直流的电压转换、 稳压、 降压等过程， 但均不以此为限。
电源检测单元 13包括依次电性耦合的电力检测模块 131、 处理器 132及 报警模块 133。 同时， 处理器 132与内部电路 30及备用电源 40电性耦合。报 警模块 133可进一步包括显示单元（未绘示） 、 语音单元（未绘示）或者二 者之和。 其中， 上述显示单元可为电子装置 100的显示屏， 语音单元可为蜂 -=7哭口 o
无线电力接收端 12则将接收耦合线圈的感应电压转换成工作电压，并将 工作电压经电源检测单元 13进一步输出至内部电路 30。 在本发明的较佳实 施例中，无线电力接收端 12将感应电压转换成工作电压的过程包括对感应电 压作交流 -直流的电压转换、 稳压、 降压等过程， 但均不以此为限。
电源检测单元 13包括电力检测模块 131、 处理器 132、 报警模块 133及 控制调节模块 134。 其中， 电力检测模块 131、 处理器 132、 报警模块 133依 次电性耦合。同时，处理器 132与控制调节模块 134及内部电路 30电性耦合。 报警模块 133可进一步包括显示单元（未绘示） 、 语音单元（未绘示）或者 二者之和。 其中， 上述显示单元可为电子装置 100的显示屏， 语音单元可为 蜂鸣器。
电力检测模块 131检测从无线电力接收端 12接收到的工作电压，处理器 132 以此工作电压与内建的预设工作电压范围作比较。 当此工作电压位于该 预设工作电压范围时，处理器 132则将此工作电压输出至内部电路 30。反之， 当无线电力接收端 12 输出的工作电压小于或大于该预设工作电压范围内的 电压数值时，处理器 132则产生警告信号，并将警告信号输出至报警模块 133。 同时， 处理器 132产生电力切换信号， 并将电力切换信号输出至发射端控制 模块 111及备用电源 40,以使发射端控制模块 111关闭发射端供电模块 112, 同时， 连通备用电源 40, 即切换至备用电源 40为电子装置 200供电。
在本发明的较佳实施例中，备用电源 40例如是电子装置 200的内部蓄电 池， 或是可供市电输入的交流输入电路。 若备用电源 40是内部蓄电池， 在此 过程中， 报警模块 133的显示单元可以显示 "无线电力异常， 请调整" 的信 息， 以提示使用者手动调整无线供电系统的无线电力发射端， 当然， 信息内 容不以此为限。 亦或， 报警模块 133的语音单元可以发出一个预定的声音来 提示使用者。 若内部蓄电池持续一个预设时间， 无线电力供电系统仍未恢复 正常， 则报警模块 133的显示单元可以显示 "无线电力异常， 请关机" 的信 息， 以提示使用者关掉电子装置 200。 当然， 报警模块 133 的语音单元也可 发出一个预定的声音来提示使用者。
若备用电源 40是可供市电输入的交流输入电路， 在此过程中， 报警模块 133 的显示单元可以显示 "无线电力异常， 请切换电源" 的信息， 以提示使 用者手动将电子装置 200切换至市电交流供电模式。
上述的电力异常可以是耦合共振出现问题导致电压不稳定或低于正常工 作电压， 或者是电压受环境影响而产生突变。
可以理解， 上述 警模块 133也可以包括有指示灯， 在电力异常时， 通 过指示灯闪烁的方式进行 "^警。
另外， 本领域技术人员可以理解的是， 本发明实施例中的无线供电系统 的发射端供电模块 112与无线电力接收端 12之间并不限于釆用磁耦合共振方 式来传输电力， 其也可釆用其他无线耦合方式（例如电磁感应）来实现电力 传输。
本发明还提供一种无线供电方法， 其包括步骤： 提供一无线电力发射端
11 , 其包括电性耦接的发射端控制模块 111和发射端供电模块 111 ; 提供一 无线电力接收端 12, 与发射端供电模块 111感应产生无线电力； 及提供一电 源检测单元 13 , 该电源检测单元 13包括依次电性耦接的电力检测模块 131、 处理器 132及报警模块 133 ,该电力检测模块 13检测无线电力接收端 12的电 力参数， 处理器 132以此电力参数与内建的预设范围作比较， 当此电力参数 位于该预设范围时，处理器 132则将无线电力接收端 12的此无线电力作为工 作电压输出至电子装置的内部电路 30; 当无线电力接收端 12的电力参数超 出该预设范围时， 处理器 132则产生警告信号， 并将警告信号输出至报警模 块 133。 此外， 当无线电力接收端 12的电力参数超出该预设范围时， 所述无 线供电方法还包括步骤： 处理器 132产生调节信号， 并将调节信号输出至控 制调节模块 134, 控制调节模块 134根据该调节信号发出控制信号至发射端 控制模块 111 , 以使发射端控制模块 111控制发射端供电模块 112 自动调整 供电电力。
综上所述， 本发明实施例透过对无线供电系统输出的电力进行检测， 并 根据检测结果对无线供电系统的无线电力输出进行相应的自动调整， 同时， 还会切换电源模式及发出报警信息， 使得电子装置能够最大限度地工作在正 常状态， 提高无线供电电源与电子装置的接驳稳定性， 有利于电子装置的正 常运作， 达成高效稳定的电力供给之目的。 以上所述， 仅是本发明的实施例而已， 并非对本发明作任何形式上的限 制， 虽然本发明已以实施例揭露如上， 然而并非用以限定本发明， 任何熟悉 本专业的技术人员， 在不脱离本发明技术方案范围内， 当可利用上述揭示的 技术内容作出些许更动或修饰为等同变化的等效实施例， 但凡是未脱离本发 等同变化与修饰， 均仍属于本发明技术方案的范围内。
工业实用性
本发明透过对无线供电系统输出的电力进行检测， 并根据检测结果对无 线供电系统的无线电力输出进行相应的自动调整， 同时， 还会切换电源模式 及发出报警信息， 使得电子装置能够最大限度地工作在正常状态， 提高无线 供电电源与电子装置的接驳稳定性， 有利于电子装置的正常运作， 达成高效 稳定的电力供给之目的。

Claims

权 利 要 求 书
1、 一种电子装置， 其包括一内部功能电路， 其特征在于： 该电子装置进 一步包括一无线供电系统， 该无线供电系统包括：
无线电力发射端， 包括发射端控制模块和包含一发射耦合线圈的发射端 供电模块， 该发射端控制模块和发射端供电模块电性耦接；
无线电力接收端， 从发射端供电模块以无线形式接收电力； 及
电源检测单元， 该电源检测单元包括依次电性耦接的电力检测模块、 处 理器及报警模块， 电力检测模块检测无线电力接收端的电力参数， 若处理器 判断此电力参数超出预设范围， 则产生一警告信号， 并将该警告信号输出至 报警模块。
2、 根据权利要求 1所述的电子装置， 其特征在于： 该电源检测单元还包 括与处理器电性耦接的控制调节模块， 当无线电力接收端的电力参数超出该 预设范围时， 处理器还产生调节信号， 并将调节信号输出至控制调节模块， 控制调节模块根据该调节信号发出控制信号至发射端控制模块， 以使发射端 控制模块控制发射端供电模块自动调整供电电力。
3、 根据权利要求 2所述的电子装置， 其特征在于： 该发射端控制模块控 制发射端供电模块自动调整供电电力的方式是通过调整发射端控制模块的输 入电流， 以调整发射端供电模块的发射耦合线圈的谐振频率。
4、 根据权利要求 2所述的电子装置， 其特征在于： 该发射端控制模块控 制发射端供电模块自动调整供电电力的方式是通过调整发射端控制模块的输 入电压， 以调整发射端供电模块的谐振幅度。
5、 根据权利要求 2所述的电子装置， 其特征在于： 该报警模块在发射端 供电模块自动调整供电电力时， 显示提示信息或发出提示音。
6、 根据权利要求 1所述的电子装置， 其特征在于： 该报警模块包括显示 单元、 语音单元或二者之和。
7、 根据权利要求 6所述的电子装置， 其特征在于： 该报警模块的语音单 元包括蜂鸣器。
8、 根据权利要求 1所述的电子装置， 其特征在于： 该电子装置还包括一 备用电源， 该备用电源与内部功能电路及处理器电性耦合， 当无线电力接收 端的电力参数超出该预设范围时， 处理器还产生电力切换信号， 并将该电力 切换信号输出至发射端控制模块及备用电源 , 以使发射端控制模块关闭发射 端供电模块， 并连通备用电源。
9、 根据权利要求 6所述的电子装置， 其特征在于： 该备用电源是电子装 置的内部蓄电池， 或是可供市电输入的交流输入电路。
10、 一种无线供电系统， 包括：
无线电力发射端， 包括电性耦接的发射端控制模块和发射端供电模块； 无线电力接收端， 从发射端供电模块无线接收电力； 及
电源检测单元， 该电源检测单元包括依次电性耦接的电力检测模块、 处 理器及报警模块， 处理器还与内部功能电路电性耦合， 电力检测模块检测从 无线电力接收端接收到的工作电压， 处理器以此工作电压与内建的预设工作 电压范围作比较， 当此工作电压位于该预设工作电压范围时， 处理器则将此 工作电压输出至内部功能电路； 当无线电力接收端输出的工作电压超出该预 设工作电压范围时， 处理器则产生警告信号， 并将警告信号输出至报警模块。
11、 根据权利要求 10所述的无线供电系统， 其特征在于： 该电源检测单 元还包括与处理器电性耦接的控制调节模块， 当无线电力接收端输出的工作 电压超出该预设工作电压范围时， 处理器还产生调节信号， 并将调节信号输 出至控制调节模块， 控制调节模块根据该调节信号发出控制信号至发射端控 制模块， 以使发射端控制模块控制发射端供电模块自动调整供电电力。
12、 一种无线供电方法， 其包括步骤：
一无线电力接收端与一无线电力发射端感应产生一无线电力；
一电源检测单元检测无线电力接收端的电力参数； 及
将此电力参数与内建的预设范围作比较， 当此电力参数位于该预设范围 时， 则将无线电力接收端的该无线电力作为工作电压输出至电子装置的内部 电路； 当无线电力接收端的电力参数超出该预设范围时， 则产生警告信号， 并将警告信号输出至报警模块。
13、 根据权利要求 12所述的无线供电方法， 其特征在于： 当无线电力接 收端的电力参数超出该预设范围时， 所述无线供电方法还包括步骤： 产生调 节信号， 并将调节信号输出至控制调节模块， 控制调节模块根据该调节信号 发出控制信号至发射端控制模块， 以使发射端控制模块控制发射端供电模块 自动调整供电电力。
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