WO2011160403A1 - 无线传输系统 - Google Patents

无线传输系统 Download PDF

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Publication number
WO2011160403A1
WO2011160403A1 PCT/CN2010/080153 CN2010080153W WO2011160403A1 WO 2011160403 A1 WO2011160403 A1 WO 2011160403A1 CN 2010080153 W CN2010080153 W CN 2010080153W WO 2011160403 A1 WO2011160403 A1 WO 2011160403A1
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WO
WIPO (PCT)
Prior art keywords
circuit
voltage
power supply
electrically connected
supply unit
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Application number
PCT/CN2010/080153
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English (en)
French (fr)
Inventor
喻子达
李聃
白冰
陈莹
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.)
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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
Publication of WO2011160403A1 publication Critical patent/WO2011160403A1/zh

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Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/70Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields

Definitions

  • the present invention relates to a power supply device, and more particularly to a wireless transmission system that wirelessly transmits electrical energy and signals to electrical and electronic equipment.
  • Wireless technology has long remained in the field of information applications, such as the wireless transmission of signals, and its power transmission characteristics have not been developed as it should. Therefore, the electronic devices that people use every day must be equipped with a dedicated power adapter to electrically connect to AC mains or configure the battery to provide power to the electronic device.
  • the existing power adapter needs to be configured to electrically connect the power cord and the electronic device to each other, and the limitation of the power cord makes the electronic device extremely inconvenient to move.
  • Wireless power supply technology also known as resonant inductive coupling technology, uses two coils of similar or identical resonant frequency for deep electromagnetic coupling to generate strong resonances to extract electrical energy from the power supply unit of the wireless power supply system (or primary side). ) is transmitted to the power receiving unit (or called the secondary side).
  • Wireless power supply systems for household appliances such as televisions have high requirements for the performance of wireless power supply systems due to limitations in usage environment, energy consumption and environmental protection, for example, efficient and stable supply, and controllable high-capacity output. And low electromagnetic interference and so on.
  • For household appliances such as televisions it is not only necessary to configure the wireless power supply system to provide power, but it may need to be electrically connected to other auxiliary signal transmission devices, such as set-top boxes, game consoles or DVD players, to provide signal wireless. Signal to household appliances such as TV sets.
  • auxiliary signal transmission devices also require dedicated power supply devices to supply electrical energy thereto, and thus also limit the range of use of these household appliances.
  • a signal transmission device such as a set top box is usually connected to a home appliance such as a television set by a wired form, and a home appliance such as a television set is restricted by a connection line.
  • the present invention provides a wireless transmission system that can provide electrical energy to electrical and electronic equipment as well as electrical energy to a wireless signal processing device, thereby causing the wireless signal processing device to transmit wireless signals to the electrical and electronic equipment.
  • the present invention provides a wireless transmission system that wirelessly transmits electrical energy and signals to an electronic electrical device, including an electrical energy generating device and a wireless signal processing device.
  • the power generating device is configured to wirelessly provide power to the electronic and electrical device
  • the wireless signal processing device is configured to wirelessly transmit the signal to the electronic device.
  • the electric energy generating device and the wireless signal processing device are respectively connected to a power supply device connected to the AC mains to constitute a power supply circuit.
  • the power supply device includes a first power supply unit and a second power supply unit, and an output end of the first power supply unit is connected to the power generation device, and an output end of the second power supply unit and the wireless The signal processing device is connected.
  • the first power supply unit includes an AC input unit and a power supply unit.
  • the AC input unit is connected to the AC mains, and the input end of the power unit is electrically connected to the AC input unit, and the output end is connected to the power generating device.
  • the second power supply unit is coupled to the AC input unit to draw power from the AC input unit or to the power supply unit to draw power from the power supply unit.
  • the power output device includes a control unit electrically connected to the power unit, the control unit controls to generate a frequency signal, and a power output circuit electrically connected to the control unit The power output circuit generates a power signal according to the frequency signal, and transmits the power signal to the electronic device.
  • control unit includes a control circuit electrically connected to the oscillating circuit, and the oscillating circuit outputs a DC voltage to the control circuit and the oscillating circuit, and the control circuit sends a control signal to the oscillating circuit.
  • the oscillating circuit generates a frequency signal having a main oscillating frequency according to the control signal.
  • the power supply unit includes a high voltage circuit, the input end thereof is electrically connected to the AC input unit, and the output end is electrically connected to the oscillation circuit, and the high voltage circuit converts the output of the AC power source into a a high voltage DC voltage is output to the oscillating circuit; and a low voltage circuit, The input end is electrically connected to the AC input unit, and the output end is electrically connected to the control circuit, and the low voltage circuit converts the AC mains into a DC voltage and outputs the voltage to the control circuit.
  • the power supply unit includes a high voltage circuit, the input end thereof is electrically connected to the AC input unit, and the output end is electrically connected to the oscillation circuit, and the high voltage circuit converts the output of the AC power source into a After the high voltage DC voltage is output to the oscillating circuit; and a low voltage circuit, the input end thereof is electrically connected to the output end of the high voltage circuit, and the output end is electrically connected to the control circuit, and the low voltage circuit outputs the high voltage DC voltage of the high voltage circuit It is converted into a low voltage DC voltage and output to the control circuit.
  • the high voltage circuit includes a rectifying and filtering circuit for converting the AC mains power into the high voltage DC voltage, and a voltage regulator electrically connected to the rectifying and filtering circuit to stabilize and determine High voltage DC voltage.
  • the low voltage circuit includes a step-down circuit coupled to the AC input unit to perform a step-down process on the AC mains to generate a low voltage AC voltage; a rectification filter circuit, and the buck The circuit is coupled to convert the low voltage alternating current voltage into the low voltage direct current voltage; and a voltage regulator is electrically connected to the rectifying and filtering circuit to stabilize the low voltage direct current voltage.
  • the wireless signal processing device includes a control board electrically connected to the second power supply unit, configured to receive the low voltage DC voltage generated by the second power supply unit, and control wireless signal processing.
  • the operation of the device a signal processor electrically connected to the control board for receiving and processing a weak electric signal number such as audio and video, and transmitting the weak electric signal to the modulator; a modulator, the control board and the signal
  • the processor is electrically connected to modulate a signal received from the signal processor to generate the wireless signal; and a wireless signal output device electrically coupled to the modulator for outputting the wireless signal to the electronic electrical device.
  • the second power supply unit includes a step-down circuit, and the input voltage of the second power supply unit is subjected to a voltage transformation process to generate a low voltage AC voltage; a rectification and filtering circuit, and the step-down circuit Electrically connecting, converting the low-voltage alternating current voltage into the low-voltage direct-current voltage; an anti-electromagnetic interference unit electrically connected to the rectifying and filtering circuit for preventing signal transmission from being magnetically disturbed; and a voltage regulator for stabilizing the Low voltage DC voltage.
  • the step-down circuit of the second power supply unit is connected to the AC input unit or the power supply unit of the first power supply unit.
  • the anti-electromagnetic interference unit is an LC filter or a notch network circuit.
  • the second power supply unit further includes an AC input unit coupled to the input of the buck circuit.
  • the wireless transmission system disclosed by the invention can not only wirelessly supply power to a common household appliance by using the power output unit, but also can integrate the power output unit and the wireless signal output unit that wirelessly supply power for the household appliance, and output each by using the wireless signal output unit. Signals to these household appliances, and no need to make a wired connection between the household appliances and their signal transmission devices, so that the maximum range of wireless power supply and wireless signal connection of home appliances, greatly expanding the scope of use of these household appliances, enabling people It is more convenient to use.
  • FIG. 1 is a schematic diagram of a wireless transmission system in accordance with a preferred embodiment of the present invention.
  • FIG. 2 is a detailed schematic diagram of a first embodiment of the wireless transmission system shown in FIG. 1.
  • FIG. 3 is a detailed schematic diagram of a second embodiment of the wireless transmission system shown in FIG. 1.
  • FIG. 4 is a detailed schematic diagram of a third embodiment of the wireless transmission system shown in FIG. 1.
  • FIG. 1 is a schematic diagram of a wireless transmission system according to an embodiment of the present invention.
  • the wireless transmission system 100 includes a power output unit 110 and a wireless signal output unit 120 , wherein the power output unit 110 is configured to wirelessly transmit electrical energy to the electrical and electronic device.
  • the wireless signal output unit 120 is configured to wirelessly transmit wireless signals required by the electronic and electrical devices into the electronic electrical device.
  • the electrical and electronic equipment can be a commonly used household appliance, such as a television or a computer.
  • the wireless signals here may be radio frequency signals, infrared signals, AV new video signals, wireless network signals, and the like.
  • the power output unit 110 includes a power supply unit 1101 and an electric energy generating device 1102.
  • the power supply unit 1101 includes an AC input unit 111, a high voltage circuit 112, and a low voltage circuit 113.
  • the power generating device 1102 includes a control circuit 114, an oscillating circuit 115, and a power output circuit 116.
  • the AC input unit 111 is configured to receive AC mains.
  • the high voltage circuit 112 is electrically connected to the AC input unit 111 to convert the AC mains received by the AC input unit 111 into a high voltage DC voltage.
  • the low voltage circuit 113 is also electrically connected to the AC input unit 111 to convert the AC mains to a DC voltage and step down to generate a low voltage DC voltage.
  • the high voltage circuit 112 includes an electrically connected rectifying and filtering circuit 1121 and a voltage regulator 1122.
  • the rectifying and filtering circuit 1121 is electrically connected to the AC input unit 111 to convert the AC mains into a high voltage DC voltage, and the voltage regulator 1122 is electrically connected.
  • the rectifying and filtering circuit 1121 stabilizes the high voltage DC voltage.
  • the low voltage circuit 113 includes a step-down circuit 1131, a rectifying and filtering circuit 1132, and a voltage regulator 1133.
  • the step-down circuit 1131 is electrically connected to the AC input unit 111 to perform step-down processing on the AC mains to generate a low-voltage AC voltage
  • the rectification and filtering circuit 1132 is electrically connected to the step-down circuit 1131 to convert the low-voltage AC voltage into a low-voltage DC voltage, and the voltage is regulated.
  • the device 1133 is electrically coupled to the rectifying filter circuit 1132 to stabilize the low voltage DC voltage.
  • the low voltage circuit 113 can also be electrically connected to the high voltage circuit 112 to directly step down the high voltage DC voltage generated by the high voltage circuit 112 to generate a low voltage DC voltage.
  • the low voltage circuit 113 may include only the step-down circuit 1131, which is electrically connected to the voltage regulator 1122 of the high voltage circuit 112 or the rectifying and filtering circuit 1121 to directly step down the high voltage DC voltage to obtain a low voltage DC voltage.
  • control circuit 114 is electrically connected to the low voltage circuit 113 and the oscillation circuit 115.
  • the low voltage DC voltage drive control circuit 114 generated by the low voltage circuit 113 generates a control signal to the oscillation circuit 115 to control the oscillation circuit 115 to generate a frequency signal having a main oscillation frequency f0.
  • the oscillation circuit 115 is electrically connected to the high voltage circuit 112 to generate a frequency signal having a main oscillation frequency f0 using the high voltage direct current voltage and the control signal.
  • the control circuit 114 may include a main oscillator sequentially connected in series, and frequency multiplication.
  • the control circuit 114 may also include a central processing unit (CPU), a frequency synthesizer, and an output portion (not shown) that are electrically connected in sequence.
  • the frequency synthesizer generates a frequency signal under the control of the CPU, and then outputs the output to the output portion.
  • the oscillation circuit 115 includes a DC-AC converter electrically connected and an oscillator (not shown), wherein the output of the DC-AC converter and the high-voltage circuit 112 is the regulator 1122.
  • the oscillator is connected to the DC-AC converter, the control circuit 114, and the power output circuit 116.
  • the power output circuit 116 is electrically connected to the oscillating circuit 115, and generates a power signal to the electronic device according to the main oscillating frequency f0 of the oscillating source.
  • the wireless signal output unit 120 includes a power supply unit 121 and a wireless signal processing device 122.
  • the power supply unit 121 is for supplying power to the wireless signal processing device 122.
  • the wireless signal processing device 122 is a multi-function module that integrates most functions of the auxiliary household appliance. For example, it can receive audio and video signals of the high-definition television like a set-top box and wirelessly transmit audio and video signals of the high-definition television. Transfer to electrical and electronic equipment.
  • the wireless signal processing device 122 can also insert various disks as a game machine or a DVD player to decode it to generate various audio and video signals, and wirelessly transmit various audio and video signals to the electronic and electrical devices.
  • the power supply unit 121 includes an AC input unit 1211, a step-down circuit 1212, a rectification and filtering circuit 1213, an anti-electromagnetic interference unit 1214, and a voltage regulator 1215 that are electrically connected in sequence.
  • the AC input unit 1211 is configured to receive AC mains.
  • the step-down circuit 1212 is electrically connected to the AC input unit 1211 to perform a step-down process on the AC mains to generate a low-voltage AC voltage.
  • the rectification filter circuit 1213 is electrically coupled to the buck circuit 1212 to convert the low voltage AC voltage into a low voltage DC voltage.
  • the anti-electromagnetic interference unit 1214 is electrically connected to the rectifying and filtering circuit 1213 to prevent various electromagnetic signals in the electric energy output unit 110 from interfering with the low-voltage DC voltage generated by the rectifying and filtering circuit 1213 in the wireless signal output unit 120 and the wireless signal generated by the wireless signal processing device 122.
  • the anti-electromagnetic interference unit 1214 can be an LC filter or a notch network.
  • the regulator 1215 is electrically connected to the anti-electromagnetic interference unit 1214 to stabilize the low-voltage DC voltage, so that the power supply unit 121 can stably output the DC voltage.
  • the wireless signal processing device 122 includes a control board 1221, a signal processor 1222, a modulator 1223, and a wireless signal output 1224.
  • the control board 1221 is electrically connected to the output of the power supply unit 121.
  • the low voltage DC voltage is used to control the signal processor 1222 and the modulator 1223.
  • the signal processor 1222 receives and processes various signals, such as audio and video signals of high definition televisions or other audio and video signals, and the like.
  • the modulator 1223 modulates various audio and video signals and generates corresponding wireless signals, and the wireless signal output device 1224 outputs the corresponding wireless signals to the electronic and electrical devices.
  • FIG. 3 is a detailed illustration of a second embodiment of the wireless transmission system shown in FIG. 1.
  • the power supply unit 121 of the wireless signal output unit 120 may not include the AC input unit 1211, and the step-down circuit 1212 of the power supply unit 121 may be directly electrically connected to the power output unit 110.
  • the AC input unit 111 is configured to take power from the power output unit 110.
  • the wireless signal output unit 120 may be directly connected to the output end of the high voltage circuit 112 of the power output unit 120, that is, the power supply unit 121 of the wireless signal output unit 120 does not include
  • the AC input unit 1211 can then directly connect the step-down circuit 1212 of the power supply unit 121 to the voltage regulator 122 in the power output unit 110 to take power from the power output unit 110.
  • the wireless signal output unit 120 can also be directly connected to the low voltage circuit 112 of the power output unit 120.
  • the wireless signal output unit 120 is directly connected to the output of the rectification filter circuit 1121 or the rectification filter circuit 1132, or to the voltage regulator.
  • the output of the regulator 1133 is also connected to the output of the buck circuit 1131 of the low voltage circuit 113.
  • the power supply unit 121 of the wireless signal output unit 120 processes the voltage input from any of the above elements to generate an operating voltage required by the wireless signal processing device 122.
  • the present invention provides a wireless transmission system 100 for wirelessly transmitting electrical energy and signals to an electronic electrical device, comprising: an electrical energy generating device 1102 that wirelessly provides electrical energy to an electrical and electronic device; and a wireless signal Processing device 122 wirelessly transmits signals to the electronic electrical device.
  • the electric energy generating device 1102 and the wireless signal processing device 122 are connected to a power supply device (not shown) connected to the AC mains to constitute a power supply circuit.
  • the power supply device includes the power supply unit 1101 and the power supply unit 121 described above, and the specific configuration and connection relationship between the power supply unit 1101 and the power supply unit 121 are in accordance with the above embodiments.
  • the wireless transmission system disclosed by the present invention can not only utilize the power output unit 110 to the commonly used
  • the home appliance is wirelessly powered, and the power output unit 110 and the wireless signal output unit 120 that wirelessly power the home appliance can be integrated, and the wireless signal output unit 120 outputs various signals to the home appliances without the need for the home appliance and the Wired connection between signal transmission devices enables home appliances to achieve wireless power supply and wireless connection to the greatest extent, greatly expanding the range of use of these household appliances, making it more convenient for people to use.
  • the wireless signal output unit 120 has the electromagnetic interference prevention unit 1214, it can prevent the electromagnetic signal in the power output unit 110 from interfering with the normal operation of the wireless signal output unit 120.
  • the power output unit can be used to wirelessly supply power to a common household appliance, but also the power output unit and the wireless signal output unit that wirelessly supply power to the home appliance can be integrated, and the wireless signal output is utilized.
  • the unit outputs various signals to these household appliances, and no need to make a wired connection between the home appliance and its signal transmission device, so that the home appliances can realize wireless power supply and wireless signal connection to the greatest extent, which greatly expands the use range of these household appliances. .

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Near-Field Transmission Systems (AREA)
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Description

无线传输系统 技术领域
本发明涉及一种电源装置, 且特别是涉及一种以无线方式传输电能和信 号至电子电气设备的无线传输系统。
背景技术
无线技术长期以来仍停留在信息应用领域, 如信号的无线传输, 而其电 能传输特性并未获得应有的发展。 所以人们日常所使用的电子装置都必须配 置专用的电源适配器以电连接至交流市电或者配置电池以提供电能至电子装 置。 但是, 现有的电源适配器需要配置电源线与电子装置相互电连接, 而由 于电源线的限制, 使得电子装置在移动时极为不便。
随着科技的发展, 无线供电技术已经开发出来, 其利用无线方式来传输 电能至电子装置。 无线供电技术也称为谐振感应耦合技术, 其利用两个相近 或者相同谐振频率的线圈进行深度电磁耦合而产生很强的谐振, 以将电能从 无线供电系统的电能输出单元 (或者称为原边)传送至电能接收单元 (或者称为 副边)。
用于电视机等家用电器的无线供电系统, 由于使用环境、 能耗及环保等 要求的限制, 其对无线供电系统本身性能具有较高的要求, 例如, 高效稳定 的供给、 可控制高容量输出以及低电磁干扰等等。 而对于电视机等家用电器 来说, 其不但需要配置无线供电系统为其提供电能, 而且其可能需要电连接 其它辅助性的信号传输装置, 例如机顶盒、 游戏机或者影碟机等, 以提供信 号无线信号至电视机等家用电器。 但是, 这些辅助性的信号传输装置同样需 要专用的供电装置为其提供电能,因此其也限制了这些家用电器的使用范围。 此外, 传统技术中, 机顶盒等信号传输装置通常是通过有线形式连接至电视 机等家用电器, 会使电视机等家用电器受到连接线的限制。 发明内容
本发明提供一种无线传输系统, 其既可以提供电能至电子电气设备, 也 可以提供电能至无线信号处理装置, 进而使无线信号处理装置发送无线信号 至电子电气设备中。
为达上述优点, 本发明提供一种以无线方式传输电能和信号至电子电气 设备的无线传输系统, 其包括电能产生装置以及无线信号处理装置。 其中, 电能产生装置用于以无线方式提供电能至电子电气设备, 而无线信号处理装 置用于以无线方式将信号传输至电子电气设备中。 该电能产生装置和该无线 信号处理装置分别与连接交流市电的供电装置相连, 构成供电回路。
在本发明的一个实施例中, 该供电装置包括一第一供电单元及第二供电 单元, 该第一供电单元的输出端与该电能产生装置连接, 该第二供电单元的 输出端与该无线信号处理装置连接。
在本发明的一个实施例中, 该第一供电单元包括一交流输入单元及一电 源单元。 此交流输入单元连接至交流市电, 且该电源单元的输入端与该交流 输入单元电性连接, 输出端与该电能产生装置连接。 该第二供电单元与该交 流输入单元连接以从该交流输入单元取电, 或与电源单元连接以从该电源单 元取电。
在本发明的一个实施例中, 该电能输出装置包括一控制单元, 其与该电 源单元电性连接, 该控制单元控制产生一频率信号; 及一电能输出电路, 其 与该控制单元电性连接, 该电能输出电路依据该频率信号产生一电能信号, 并将该电能信号传输至该电子电气设备中。
在本发明的一个实施例中, 该控制单元包括电性连接的一控制电路及一 振荡电路, 该电源单元分别输出直流电压至控制电路和振荡电路, 控制电路 发送一控制信号至振荡电路, 该振荡电路依据该控制信号产生具有一主振荡 频率的频率信号。
在本发明的一个实施例中, 该电源单元包括一高压电路, 其输入端与该 交流输入单元电性连接, 输出端与该振荡电路电性连接, 该高压电路将该交 流电源的输出转换成一高压直流电压后输出至该振荡电路; 及一低压电路, 其输入端与该交流输入单元电性连接, 输出端与控制电路电性连接, 该低压 电路将该交流市电转换成一氏压直流电压后输出至该控制电路。
在本发明的一个实施例中, 该电源单元包括一高压电路, 其输入端与该 交流输入单元电性连接, 输出端与该振荡电路电性连接, 该高压电路将该交 流电源的输出转换成一高压直流电压后输出至该振荡电路; 及一低压电路, 其输入端与该高压电路的输出端电性连接, 输出端与控制电路电性连接, 该 低压电路将该高压电路输出的高压直流电压转换成一低压直流电压后输出至 该控制电路。
在本发明的一个实施例中, 该高压电路包括一整流滤波电路, 将该交流 市电转换成该高压直流电压; 以及一稳压器, 与该整流滤波电路电性连接, 以稳、定该高压直流电压。
在本发明的一个实施例中, 该低压电路包括一降压电路, 与该交流输入 单元连接, 对该交流市电进行降压处理以产生一低压交流电压; 一整流滤波 电路, 与该降压电路联接, 将该低压交流电压转换成该低压直流电压; 以及 一稳压器, 与该整流滤波电路电性连接, 以稳定该低压直流电压。
在本发明的一个实施例中, 该无线信号处理装置包括一控制板, 与该第 二供电单元电性连接, 用于接收该第二供电单元所产生的该低压直流电压, 并控制无线信号处理装置的工作; 一信号处理器, 与该控制板电性连接, 用 于接收并处理音视频等弱电信号号, 并将该弱电信号传送至调制器; 一调制 器, 与该控制板及该信号处理器电性连接, 用于调制从信号处理器接收到的 信号以产生该无线信号; 以及一无线信号输出器, 与该调制器电性连接, 用 于输出该无线信号至该电子电气设备。
在本发明的一个实施例中, 该第二供电单元包括一降压电路, 对该第二 供电单元的输入电压进行变压处理以产生一低压交流电压;一整流滤波电路, 与该降压电路电性连接, 将该低压交流电压转换成该低压直流电压; 一防电 磁干扰单元, 与该整流滤波电路电性连接, 用于防止信号传输被磁干扰; 以 及一稳压器, 用于稳定该低压直流电压。
在本发明的一个实施例中, 该第二供电单元的降压电路连接至第一供电 单元的交流输入单元或电源单元。 在本发明的一个实施例中, 该防电磁干扰单元为一 LC滤波器或者一陷 波网络电路。
在本发明的一个实施例中,该第二供电单元进一步包括一交流输入单元 , 该交流输入单元连接至降压电路的输入端。
本发明所揭示的无线传输系统不仅可以利用电能输出单元向常用的家用 电器无线供电, 而且可以将为家用电器无线供电的电能输出单元和无线信号 输出单元合为一体 , 利用无线信号输出单元输出各种信号至这些家用电器, 且无需再在家用电器与其信号传输装置之间进行有线连接, 使家电产品最大 范围地实现无线供电及无线信号连接, 极大地扩展了这些家用电器的使用范 围, 使人们使用起来更加方便。
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是本发明的较佳实施例的无线传输系统的示意图。
图 2是图 1所示的无线传输系统的第一实施例的具体示意图。
图 3是图 1所示的无线传输系统的第二实施例的具体示意图。
图 4是图 1所示的无线传输系统的第三实施例的具体示意图。
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 , 其绘示为本发明一实施例所揭示之无线传输系统的示意图。 如图 1所示, 无线传输系统 100包括电能输出单元 110以及无线信号输出单 元 120, 其中电能输出单元 110用以将电能以无线方式而传输至电子电气设 备, 而无线信号输出单元 120用以将电子电气设备所需要的无线信号以无线 方式而传输至电子电气设备中。 其中, 电子电气设备可为常用的家用电器, 例如电视机或者电脑等等。 此处的无线信号可以是射频信号、 红外信号、 AV 新视频信号、 无线网络信号等。
请参阅图 2, 其绘示为图 1 所示之无线传输系统的一实施例的具体示意 图。如图 2所示,电能输出单元 110包括供电单元 1101及电能产生装置 1102。 其中, 供电单元 1101包括交流输入单元 111、 高压电路 112、 低压电路 113。 电能产生装置 1102包括控制电路 114、 振荡电路 115及电能输出电路 116。 其中, 交流输入单元 111用于接收交流市电。 而高压电路 112电连接交流输 入单元 111以将交流输入单元 111接收的交流市电转换成高压直流电压。 低 压电路 113也电连接交流输入单元 111以将交流市电转换成直流电压并对其 进行降压以产生低压直流电压。 具体地, 高压电路 112包括电性连接的整流 滤波电路 1121及稳压器 1122, 其中整流滤波电路 1121电连接交流输入单元 111以将交流市电转换成高压直流电压, 而稳压器 1122电连接整流滤波电路 1121以稳定此高压直流电压。 低压电路 113包括降压电路 1131、 整流滤波电 路 1132及稳压器 1133。 其中降压电路 1131电连接交流输入单元 111以对交 流市电进行降压处理从而产生低压交流电压,整流滤波电路 1132电连接降压 电路 1131以将低压交流电压转换成低压直流电压, 而稳压器 1133电连接整 流滤波电路 1132以稳定此低压直流电压。
当然, 本领域技术人员可以理解的是, 低压电路 113也可以电连接高压 电路 112从而直接对高压电路 112所产生的高压直流电压进行降压以产生低 压直流电压。 此时, 低压电路 113可仅包括降压电路 1131 , 其电连接高压电 路 112的稳压器 1122或整流滤波电路 1121以直接对高压直流电压进行降压 处理以获得低压直流电压。
此外, 控制电路 114电连接低压电路 113及振荡电路 115, 低压电路 113 所产生的低压直流电压驱动控制电路 114产生控制信号至振荡电路 115, 以 控制振荡电路 115产生具有主振荡频率 f0的频率信号。 此外, 振荡电路 115 电连接高压电路 112以利用高压直流电压和控制信号而产生具有主振荡频率 f0的频率信号。 具体地, 控制电路 114可包括依次电性连接的主振器、 倍频 器及输出部分(图未示) , 该主振器产生一主频信号, 该主频信号经倍频器 放大产生一所需要的频率信号, 再经输出部分输出至振荡电路 115。 控制电 路 114也可包括依次电性连接的中央处理器(CPU ) 、 频率合成器和输出部 分(图未示), 该频率合成器在 CPU的控制下产生一频率信号, 再经输出部 分输出至振荡电路 115。 振荡电路 115包括电性连接的一个直流 -交流转换器 (DC-AC converter)及一个振荡器(图未示) , 其中直流-交流转换器与高压电 路 112的输出端即稳压器 1122电性连接, 振荡器与直流-交流转换器、 控制 电路 114及电能输出电路 116连接。 电能输出电路 116电连接振荡电路 115, 依据振荡源的主振荡频率 f0而产生电能信号至电子电气设备中。
无线信号输出单元 120包括供电单元 121 以及无线信号处理装置 122。 其中供电单元 121用于为无线信号处理装置 122提供电能。 而无线信号处理 装置 122为一个多功能模组, 其集成了辅助性家用电器的大多数功能, 例如, 其可以如机顶盒一样接收高清电视的音视频信号并将高清电视的音视频信号 以无线方式传输至电子电气设备中。 当然, 无线信号处理装置 122也可以如 游戏机或者影碟机一样插入各种碟片以对其进行解码生成各种音视频信号, 并以无线方式将各种音视频信号传输至电子电气设备中。
具体地, 供电单元 121包括依次电性连接的交流输入单元 1211、 降压电 路 1212、 整流滤波电路 1213、 防电磁干扰单元 1214以及稳压器 1215。 其中 交流输入单元 1211用于接收交流市电。 降压电路 1212电连接交流输入单元 1211 以对交流市电进行降压处理以产生低压交流电压。 整流滤波电路 1213 电连接降压电路 1212以将低压交流电压转换成低压直流电压。防电磁干扰单 元 1214电连接整流滤波电路 1213以防止电能输出单元 110中的各种电磁信 号干扰无线信号输出单元 120中整流滤波电路 1213所产生的低压直流电压及 无线信号处理装置 122产生的无线信号。 在本发明的较佳实施例中, 防电磁 干扰单元 1214可为 LC滤波器或者陷波网络。 而稳压器 1215电连接防电磁 干扰单元 1214以稳定此低压直流电压,从而使供电单元 121能够稳定地输出 此氐压直流电压。
无线信号处理装置 122包括控制板 1221、信号处理器 1222、调制器 1223 以及无线信号输出器 1224。 其中, 控制板 1221 电连接供电单元 121所输出 的低压直流电压, 用以控制信号处理器 1222 以及调制器 1223。 信号处理器 1222接收并处理各种信号, 例如高清电视的音视频信号或者其他音视频信号 等等。 而调制器 1223 对各种音视频信号进行调制处理并产生相应的无线信 号, 无线信号输出器 1224用以输出这些相应的无线信号至电子电气设备中。
请参阅图 3 , 其绘示为图 1 所示之无线传输系统的第二实施例的具体示 意图。 如图 3所示, 在本发明另一实施例中, 无线信号输出单元 120的供电 单元 121 可以不包括交流输入单元 1211 , 则供电单元 121 的降压电路 1212 可直接电连接至电能输出单元 110中的交流输入单元 111 以从电能输出单元 110取电。
请参阅图 4, 其绘示为图 1 所示之无线传输系统的第三实施例的具体示 意图。 如图 4所示, 在本发明的又一实施例中, 无线信号输出单元 120可以 直接连接至电能输出单元 120的高压电路 112的输出端, 即, 无线信号输出 单元 120的供电单元 121不包括交流输入单元 1211 , 则供电单元 121的降压 电路 1212可直接电连接至电能输出单元 110中的稳压器具 122以从电能输出 单元 110取电。 当然, 无线信号输出单元 120也可以直接连接至电能输出单 元 120的低压电路 112, 例如, 无线信号输出单元 120直接连接至整流滤波 电路 1121或整流滤波电路 1132的输出端, 或连接至稳压器 1122或稳压器 1133的输出端, 亦或连接至低压电路 113的降压电路 1131的输出端。 此时, 无线信号输出单元 120的供电单元 121对从上述任何元件输入的电压进行处 理, 以产生无线信号处理装置 122所需的工作电压。
从另一个角度讲, 本发明提供一种以无线方式传输电能和信号至电子电 气设备的无线传输系统 100, 其包括: 电能产生装置 1102, 其以无线方式提 供电能至电子电气设备; 以及无线信号处理装置 122, 其以无线方式传输信 号至该电子电气设备。电能产生装置 1102与无线信号处理装置 122与连接交 流市电的供电装置 (图未标)相联, 构成供电回路。
在一实施例中, 该供电装置包括上述的供电单元 1101和供电单元 121 , 该供电单元 1101和供电单元 121的具体构成及连接关系与上述的实施方式相 付。
本发明所揭示的无线传输系统不仅可以利用电能输出单元 110向常用的 家用电器无线供电, 而且可以将为家用电器无线供电的电能输出单元 110和 无线信号输出单元 120合为一体, 利用无线信号输出单元 120输出各种信号 至这些家用电器,且无需再在家用电器与其信号传输装置之间进行有线连接, 使家电产品最大范围地实现无线供电及无线连接, 极大地扩展了这些家用电 器的使用范围,使人们使用起来更加方便。此外, 由于无线信号输出单元 120 中具有防电磁干扰单元 1214, 因此其可防止电能输出单元 110中的电磁信号 干扰无线信号输出单元 120的正常工作。
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
在本发明所揭示的无线传输系统中, 不仅可以利用电能输出单元向常用 的家用电器无线供电, 而且可以将为家用电器无线供电的电能输出单元和无 线信号输出单元合为一体 , 利用无线信号输出单元输出各种信号至这些家用 电器, 且无需再在家用电器与其信号传输装置之间进行有线连接, 使家电产 品最大范围地实现无线供电及无线信号连接, 极大地扩展了这些家用电器的 使用范围。

Claims

权 利 要 求 书
1、一种以无线方式传输电能和信号至电子电气设备的无线传输系统, 其 包括:
一电能产生装置, 以无线方式提供电能至电子电气设备; 以及
一无线信号处理装置, 以无线方式传输信号至该电子电气设备, 该电能 产生装置和该无线信号处理装置分别与连接交流市电的供电装置相连, 构成 供电回路。
2、根据权利要求 1所述的无线传输系统,其特征在于:该供电装置包括: 一第一供电单元, 该第一供电单元的输出端与该电能产生装置连接; 及 一第二供电单元,该第二供电单元的输出端与该无线信号处理装置连接。
3、 根据权利要求 2所述的无线传输系统, 其特征在于: 该第一供电单元 包括:
一交流输入单元, 连接至交流市电; 及
一电源单元, 其输入端与该交流输入单元电性连接, 输出端与该电能产 生装置连接;
该第二供电单元与该交流输入单元连接以从该交流输入单元取电, 或与 电源单元连接以从该电源单元取电。
4、 根据权利要求 3 所述的无线传输系统, 其特征在于:该电能输出装置 包括:
一控制单元, 与该电源单元电性连接, 该控制单元控制产生一具有主振 荡频率的频率信号; 及
一电能输出电路, 与该控制单元电性连接, 该电能输出电路依据该频率 信号产生一电能信号 , 并将该电能信号传输至该电子电气设备中。
5、 根据权利要求 4 所述的无线传输系统, 其特征在于:该控制单元包括 电性连接的一控制电路及一振荡电路, 该电源单元分别输出直流电压至控制 电路和振荡电路, 控制电路发送一控制信号至振荡电路, 该振荡电路依据该 控制信号产生所述频率信号。
6、 根据权利要求 5所述的无线传输系统, 其特征在于:该电源单元包括: 一高压电路, 其输入端与该交流输入单元电性连接, 输出端与该振荡电 路电性连接, 该高压电路将该交流电源的输出转换成一高压直流电压后输出 至该振荡电路; 及
一低压电路, 其输入端与该交流输入单元电性连接, 输出端与控制电路 电性连接, 该低压电路将该交流市电转换成一低压直流电压后输出至该控制 电路。
7、 根据权利要求 5所述的无线传输系统, 其特征在于:该电源单元包括: 一高压电路, 其输入端与该交流输入单元电性连接, 输出端与该振荡电 路电性连接, 该高压电路将该交流电源的输出转换成一高压直流电压后输出 至该振荡电路; 及
一低压电路, 其输入端与该高压电路的输出端电性连接, 输出端与控制 电路电性连接, 该低压电路将该高压电路输出的高压直流电压转换成一低压 直流电压后输出至该控制电路。
8、 根据权利要求 6或 7所述的无线传输系统, 其特征在于: 该高压电路 包括:
一整流滤波电路, 将该交流市电转换成该高压直流电压; 以及
一稳压器, 与该整流滤波电路电性连接, 以稳定该高压直流电压。
9、 根据权利要求 8所述的无线传输系统, 其特征在于:该低压电路包括: 一降压电路, 与该交流输入单元连接, 对该交流市电进行降压处理以产 生一低压交流电压; 一整流滤波电路, 与该降压电路连接, 将该氏压交流电压转换成该氐压 直流电压; 以及
一稳压器, 与该整流滤波电路电性连接, 以稳定该低压直流电压。
10、 根据权利要求 3所述的无线传输系统, 其特征在于:该无线信号处理 装置包括:
一控制板, 与该第二供电单元电性连接, 用于接收该第二供电单元所产 生的该低压直流电压, 并控制无线信号处理装置的工作;
一信号处理器, 与该控制板电性连接, 用于接收并处理弱电信号, 并将 弱电信号传送至调制器;
一调制器, 与该控制板及该信号处理器电性连接, 用于调制从信号处理 器接收到的信号以产生该无线信号; 以及
一无线信号输出器, 与该调制器电性连接, 用于输出该无线信号至该电 子电气设备。
11、 根据权利要求 10 所述的无线传输系统, 其特征在于:该第二供电单 元包括:
一降压电路, 对该第二供电单元的输入电压进行降压处理以产生一低压 交流电压;
一整流滤波电路, 与该降压电路电性连接, 将该低压交流电压转换成该 氐压直流电压;
一防电磁干扰单元, 与该整流滤波电路电性连接, 用于防止信号传输被 磁干 4尤; 以及
一稳压器, 用于稳定该低压直流电压。
12、 根据权利要求 11 所述的无线传输系统, 其特征在于:该第二供电单 元的降压电路连接至第一供电单元的交流输入单元或电源单元。
13、 根据权利要求 11 所述的无线传输系统, 其特征在于:该防电磁干扰 单元为一 LC滤波器或者一陷波网络电路。
14、 根据权利要求 11 所述的无线传输系统, 其特征在于:该第二供电单 元进一步包括一交流输入单元, 该交流输入单元连接至降压电路的输入端。
PCT/CN2010/080153 2010-06-24 2010-12-23 无线传输系统 WO2011160403A1 (zh)

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