WO2004086588A1 - A wireless power supply apparatus - Google Patents

A wireless power supply apparatus Download PDF

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Publication number
WO2004086588A1
WO2004086588A1 PCT/CN2004/000125 CN2004000125W WO2004086588A1 WO 2004086588 A1 WO2004086588 A1 WO 2004086588A1 CN 2004000125 W CN2004000125 W CN 2004000125W WO 2004086588 A1 WO2004086588 A1 WO 2004086588A1
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WO
WIPO (PCT)
Prior art keywords
power
power supply
wireless power
resistor
magnet
Prior art date
Application number
PCT/CN2004/000125
Other languages
French (fr)
Chinese (zh)
Inventor
Yuanhong Chen
Yihao Chen
Meihua Chen
Original Assignee
Yuanhong Chen
Yihao Chen
Meihua Chen
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Filing date
Publication date
Application filed by Yuanhong Chen, Yihao Chen, Meihua Chen filed Critical Yuanhong Chen
Publication of WO2004086588A1 publication Critical patent/WO2004086588A1/en

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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
    • H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
    • H02J50/402—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
    • 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
    • H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or 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
    • 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
    • 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

Definitions

  • the invention belongs to the technical field of power supply and is a wireless power supply device.
  • Existing power supplies mainly include AC power output through a power transformer and DC power output through a battery or a storage battery.
  • power equipment needs to use power, such as AC power
  • a power cord needs to be connected to the power transformer.
  • Restrictions are extremely inconvenient when the electrical equipment is in a mobile state.
  • the battery because the battery has limited energy storage, after a period of use, the power source energy will be exhausted, causing the power-consuming equipment to fail to work.
  • An object of the present invention is to provide a wireless power supply device that can realize power transmission without requiring a power line connection.
  • the wireless power device includes a power transmitter and a power receiver, and the power transmitter has a transmission line ⁇ wound around a magnet guide, and a high-frequency oscillation connected to the transmission line ⁇ The circuit; the power receiver is a receiving coil wound on a magnetized magnet.
  • DC power or AC power lines can be converted into a DC voltage, which can be converted into a high-frequency power voltage by a high-frequency oscillation circuit, and added to the transmission line ⁇ in the power transmitter.
  • the magnet is emitted, and the high-frequency power signal is sensed by the conductive magnet in the power receiver, and the output is received through the wire, thereby achieving wireless transmission of power.
  • FIG. 1 is a schematic structural diagram of a wireless power supply device according to the present invention.
  • FIG. 2 is a circuit configuration diagram of FIG. 1.
  • FIG. 3 is a detailed schematic diagram of FIG. 1.
  • FIG. 4 is a structural diagram of a magnetizer.
  • Fig. 5 is a structural diagram of a magnetizer.
  • FIG. 6 is a structural diagram of a magnetizer. detailed description
  • the wireless power supply device includes a power transmitter and a power receiver, and the power transmitter
  • the device has a magnetized magnet 1, the magnetized magnet 1 is a T-shaped square cylinder, the inner layer is an inner insulating layer 2, the middle is a transmitting coil 3, the outer layer is an outer insulating layer 4, the transmitting line ⁇ 3 and the high-frequency oscillation circuit 5 Connected.
  • the power receiver has a magnetically permeable magnet 6, and the magnetically permeable magnet 6 is a T-shaped square cylinder.
  • the inner layer is an inner insulating layer 7, the middle is a receiving coil 8, and the outer layer is an outer insulating layer 9.
  • the high-frequency oscillation circuit includes transistors Q1 and Q2 whose emitter and collector are connected in series to a DC power source, and capacitors C2 and C4 connected in series to the DC power source, which are connected across the transistors Q1 and Q2 respectively.
  • resistors R3, R6 between the base and the collector are connected in series across the electrodes Q1, Q2, and the electrodes R1, D1, R4, D2 between the base and the emitter, and the capacitor connected in series with the base of transistor Q1 CI, resistor R2, resistor R2 and resistor R1 are connected to transmitting coil L1; capacitor C3, resistor R5, resistor R5, and resistor R4 are connected in series to transmitting line ⁇ L3, and transmitting coil L2 is connected to capacitor C2 The connection point between C4 and the connection point between the collector of transistor Q1 and the emitter of transistor Q2.
  • the transistors Ql and Q2 When a DC voltage is applied to the A and B terminals of the high-frequency oscillation circuit, the transistors Ql and Q2 generate self-excitation, forming a multi-resonance oscillation, and a high-frequency oscillation voltage is formed in the transmitting coil L1 and the transmitting coil L3.
  • the power receiver receives electromagnetic induction from the power transmitter and outputs a high-frequency alternating voltage at terminals (:, D. According to the different shields, the two ends of the receiving coil L4 of the power receiver are connected in parallel (or in series). Capacitor C5 can overcome the internal resistance of the power receiver. For pure loads, such as a light bulb, the power supply can obtain sufficient output.
  • the magnetizer is cylindrical, and the end surface has a disc structure.
  • the magnetizer has an I-shaped structure.
  • the magnetizer has a polygonal structure, such as a triangular or hexagonal structure.
  • the magnetizer is cylindrical, the end face has a disc structure, or the magnetizer is an I-shaped structure, when the magnetizers of the power transmitter and the power receiver are relatively close, the power receiver can have a power output.
  • the magnet is triangular or hexagonal. Only when the magnets of the power transmitter and the power receiver are opposite, the power receiver has the power output.
  • a power receiver is installed on an electrical device that needs to move, and several power transmitters are installed on the track it needs to pass through. The electrical device can move without a power source.
  • a power receiver can also be installed on the electric vehicle, and a power transmitter can be installed in the garage. As soon as the electric vehicle returns to the garage, it can be charged. If a power receiver is installed in the battery of a mobile phone or a laptop computer, it can be charged through the power transmitter, which avoids the direct contact of the high-voltage AC power source with the mobile phone or laptop computer, which causes the problem of unreliable electrical safety.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Near-Field Transmission Systems (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

This invention relates to the power supply technical field, and provides a wireless power supply apparatus. In the prior art, there needs a power line to a power transformer so that the apparatus is difficult to move, and when it uses a battery, the electric energy will be exhausted so that a consumer can not work. The said wireless power supply apparatus includes a power emitter and a power receiver, and the said power emitter has emitting coils winding a magnetizer and a HF oscillating circuit connected to the emitting coils. The said power receiver is a receiving coil winding the magnetizer. It can convert a DC power or an AC power into a DC voltage,through the HIT oscillating circuit converting a HF voltage which applies to the emitting coils in the power emitter and is emitted by the magnetizer, and then it induces he HF power signal by the magnetizer in the power reveiver, and the receiving coil outputs the signal, thereby it obtains the wireless transfer of the power.

Description

无线电源装置 技术领域  Wireless power supply device
本发明属于电源技术领域， 是一个无线电源装置。  The invention belongs to the technical field of power supply and is a wireless power supply device.
背景技术  Background technique
现有的电源主要有通过电源变压器输出的交流电源和通过电池或 蓄电池输出的直流电源， 用电设备在需要使用电源时， 如使用交流电， 需要有一条电源线与电源变压器相连， 由于电源线的限制， 在用电设 备处于移动状态时极为不便。 而在使用电池时， 由于电池的储能有限， 在使用一段时间后， 电源能量会被耗尽， 导致用电设备无法工作。  Existing power supplies mainly include AC power output through a power transformer and DC power output through a battery or a storage battery. When power equipment needs to use power, such as AC power, a power cord needs to be connected to the power transformer. Restrictions are extremely inconvenient when the electrical equipment is in a mobile state. When the battery is used, because the battery has limited energy storage, after a period of use, the power source energy will be exhausted, causing the power-consuming equipment to fail to work.
发明内容  Summary of the Invention
本发明的目的在于提供一个不需要电源线连接便可以实现电源传 输的无线电源装置。  An object of the present invention is to provide a wireless power supply device that can realize power transmission without requiring a power line connection.
为实现本发明的目的， 所述的无线电源装置， 包括电源发射器和 电源接收器， 所述的电源发射器有绕制在导磁体上的发射线圏， 与发 射线圏连接的高频振荡电路； 所述的电源接收器为绕制在导磁体上的 接收线圈。  To achieve the purpose of the present invention, the wireless power device includes a power transmitter and a power receiver, and the power transmitter has a transmission line 绕 wound around a magnet guide, and a high-frequency oscillation connected to the transmission line 圏The circuit; the power receiver is a receiving coil wound on a magnetized magnet.
由于采用了电源发射器和电源接收器， 可以将直流电能或交流电 能线转换成直流电压， 经过高频振荡电路变换成高频电源电压， 加在 电源发射器中的发射线圏上， 通过导磁体发射出去， 再通过电源接收 器中的导磁体感应到高频电源信号， 通过接收线圏输出， 从而实现电 源的无线传递。  Due to the use of a power transmitter and a power receiver, DC power or AC power lines can be converted into a DC voltage, which can be converted into a high-frequency power voltage by a high-frequency oscillation circuit, and added to the transmission line 中 in the power transmitter. The magnet is emitted, and the high-frequency power signal is sensed by the conductive magnet in the power receiver, and the output is received through the wire, thereby achieving wireless transmission of power.
附图说明  BRIEF DESCRIPTION OF THE DRAWINGS
图 1为本发明无线电源装置的结构示意图。  FIG. 1 is a schematic structural diagram of a wireless power supply device according to the present invention.
图 2为图 1的电路结构图。  FIG. 2 is a circuit configuration diagram of FIG. 1.
图 3为图 1的具体原理图。  FIG. 3 is a detailed schematic diagram of FIG. 1.
图 4为导磁体的结构图。  FIG. 4 is a structural diagram of a magnetizer.
图 5为导磁体的结构图。  Fig. 5 is a structural diagram of a magnetizer.
图 6为导磁体的结构图。 具体实施方式 FIG. 6 is a structural diagram of a magnetizer. detailed description
下面将结合附图， 对本发明无线电源装置的实施例作进一步详述： 如图 1、 2中所示， 本发明所述的无线电源装置包括电源发射器和 电源接收器， 所述的电源发射器有导磁体 1， 导磁体 1 为 T字状方柱 形， 其内层为内绝缘层 2， 中间为发射线圈 3, 外层为外绝缘层 4, 发 射线圏 3与高频振荡电路 5相连。 所述的电源接收器有导磁体 6, 导磁 体 6为 T字状方柱形， 同样， 其内层为内绝缘层 7, 中间为接收线圈 8, 外层为外绝缘层 9。  The embodiments of the wireless power supply device of the present invention will be further detailed below with reference to the accompanying drawings. As shown in FIGS. 1 and 2, the wireless power supply device according to the present invention includes a power transmitter and a power receiver, and the power transmitter The device has a magnetized magnet 1, the magnetized magnet 1 is a T-shaped square cylinder, the inner layer is an inner insulating layer 2, the middle is a transmitting coil 3, the outer layer is an outer insulating layer 4, the transmitting line 圏 3 and the high-frequency oscillation circuit 5 Connected. The power receiver has a magnetically permeable magnet 6, and the magnetically permeable magnet 6 is a T-shaped square cylinder. Similarly, the inner layer is an inner insulating layer 7, the middle is a receiving coil 8, and the outer layer is an outer insulating layer 9.
如图 2 中所示， 所述的高频振荡电路包括发射极与集电极串接在 直流电源端的三极管 Ql、 Q2, 串接在直流电源端的电容 C2、 C4， 分 别跨接在三极管 Ql、 Q2基极与集电极之间的电阻 R3、 R6, 串接后分 别跨接在三极管 Ql、 Q2基极与发射极之间的电极 Rl、 Dl、 R4、 D2, 串接于三极管 Q1基极的电容 CI、 电阻 R2， 电阻 R2与电阻 R1之间 接发射线圈 L1 ; 串接于三极管 Q2基极的电容 C3、 电阻 R5， 电阻 R5 与电阻 R4之间接发射线圏 L3, 发射线圈 L2接于电容 C2、 C4的连接 点与三极管 Q1集电极与三极管 Q2的发射极的连接点之间。  As shown in FIG. 2, the high-frequency oscillation circuit includes transistors Q1 and Q2 whose emitter and collector are connected in series to a DC power source, and capacitors C2 and C4 connected in series to the DC power source, which are connected across the transistors Q1 and Q2 respectively. The resistors R3, R6 between the base and the collector are connected in series across the electrodes Q1, Q2, and the electrodes R1, D1, R4, D2 between the base and the emitter, and the capacitor connected in series with the base of transistor Q1 CI, resistor R2, resistor R2 and resistor R1 are connected to transmitting coil L1; capacitor C3, resistor R5, resistor R5, and resistor R4 are connected in series to transmitting line 圏 L3, and transmitting coil L2 is connected to capacitor C2 The connection point between C4 and the connection point between the collector of transistor Q1 and the emitter of transistor Q2.
当高频振荡电路的 A、 B端加上直流电压时， 三极管 Ql、 Q2产 生自激， 形成多谐振荡， 在发射线圈 L1 与发射线圈 L3 中形成高频振 荡电压。 而电源接收器受到电源发射器的电磁感应在 （：、 D 端输出高 频交变电压。 根据负栽性盾的不同， 在电源接收器的接收线圈 L4两端 并接（或串接）有电容 C5, 可以克服电源接收器的内阻， 对于纯负载， 如灯泡使得电源得到充分的输出。  When a DC voltage is applied to the A and B terminals of the high-frequency oscillation circuit, the transistors Ql and Q2 generate self-excitation, forming a multi-resonance oscillation, and a high-frequency oscillation voltage is formed in the transmitting coil L1 and the transmitting coil L3. The power receiver receives electromagnetic induction from the power transmitter and outputs a high-frequency alternating voltage at terminals (:, D. According to the different shields, the two ends of the receiving coil L4 of the power receiver are connected in parallel (or in series). Capacitor C5 can overcome the internal resistance of the power receiver. For pure loads, such as a light bulb, the power supply can obtain sufficient output.
如图 4中所示， 所述的导磁体为圓柱形， 端面有圆片结构。  As shown in FIG. 4, the magnetizer is cylindrical, and the end surface has a disc structure.
如图 5中所示， 所述的导磁体为工字形结构。  As shown in FIG. 5, the magnetizer has an I-shaped structure.
如图 6中所示， 所述的导磁体为多角结构， 如三角或六角结构。 当导磁体为圆柱形， 端面有圆片结构， 或导磁体为工字形结构时， 电源发射器和电源接收器的导磁体在比较接近时， 电源接收器就可有 电源输出。 当导磁体为三角或六角结构时。 电源发射器和电源接收器 的导磁体在比较正对时， 电源接收器才有电源输出。 使用时， 在一个需要运动的电器设备上安装一个电源接收器， 而 在其需要经过的轨迹上安装若干个电源发射器， 该电器设备便可以在 不带电源的情况下运动。 将来在使用电动车时， 也可以在电动车上安 装电源接收器， 而在车库中安装电源发射器， 只要电动车一回到车库， 便可进行充电。 在手机或手提电脑的电池中安装电源接收器， 则可以 通过电源发射器对其进行充电， 避免了高压交流电源直接与手机或手 提电脑的接触， 而产生电器安全不可靠的问题。 As shown in FIG. 6, the magnetizer has a polygonal structure, such as a triangular or hexagonal structure. When the magnetizer is cylindrical, the end face has a disc structure, or the magnetizer is an I-shaped structure, when the magnetizers of the power transmitter and the power receiver are relatively close, the power receiver can have a power output. When the magnet is triangular or hexagonal. Only when the magnets of the power transmitter and the power receiver are opposite, the power receiver has the power output. When in use, a power receiver is installed on an electrical device that needs to move, and several power transmitters are installed on the track it needs to pass through. The electrical device can move without a power source. In the future, when an electric vehicle is used, a power receiver can also be installed on the electric vehicle, and a power transmitter can be installed in the garage. As soon as the electric vehicle returns to the garage, it can be charged. If a power receiver is installed in the battery of a mobile phone or a laptop computer, it can be charged through the power transmitter, which avoids the direct contact of the high-voltage AC power source with the mobile phone or laptop computer, which causes the problem of unreliable electrical safety.

Claims

权 利 要 求 书 Claim
1. 一种无线电源装置， 其特征是包括电源发射器和电源接收器， 所述的电源发射器包括发射导磁体及其绕制在其上的发射线圏， 所述 的发射线圈上连接有高频振荡电路； 所述的电源接收器为绕制在接收 导磁体上的接收线圈。 A wireless power source device, comprising a power source transmitter and a power source receiver, wherein the power source transmitter includes a transmitting magnet and a transmitting wire wound thereon, and the transmitting coil is connected with the transmitting coil. High-frequency oscillation circuit; the power receiver is a receiving coil wound on a receiving magnet.
2. 根据权利要求 1所术的无线电源装置， 其特征是所述的导磁体 为铁氧体磁芯。  2. The wireless power supply device according to claim 1, wherein the magnetically permeable magnet is a ferrite core.
3. 根据权利要求 2所述的无线电源装置， 其特征是所述的高频振 荡电路包括发射极与集电极串接在直流电源端的三极管 Ql、 Q2, 串接 在直流电源端的电容 C2、 C4， 分别跨接在三极管 Ql、 Q2基极与集电 极之间的电阻 R3、 R6, 串接后分别跨接在三极管 Ql、 Q2基极与发射 极之间的电阻 Rl、 Dl , R4、 D2, 串接于三极管 Q1基极的电容 Cl、 电阻 R2, 电阻 R2与电阻 R1之间接发射线圈 L1 ; 串接于三极管 Q2 基极的电容 C3、 电阻 R5， 电阻 R5与电阻 R4之间接发射线圈 L3， 发 射线圏 L2接于电容 C2、 C4的连接点与三极管 Q1集电极与三极管 Q2 的发射极的连接点之间。  3. The wireless power supply device according to claim 2, characterized in that the high-frequency oscillation circuit comprises triodes Ql, Q2 whose emitter and collector are connected in series at the DC power supply terminal, and capacitors C2, C4 connected in series at the DC power supply terminal , Resistors R3, R6 connected between the bases of the transistors Q1, Q2 and the collector, respectively, and resistors R1, Dl, R4, D2, connected between the bases of the transistors Q1, Q2 and the emitter, respectively, after being connected in series, The capacitor Cl, resistor R2, resistor R2, and resistor R1 connected in series to the base of transistor Q1 are connected to the transmitting coil L1; the capacitor C3, resistor R5, and resistor R5 to resistor R4 are connected to the transmitting coil L3 in series. The emission line 圏 L2 is connected between the connection point of the capacitors C2 and C4 and the connection point of the collector of the transistor Q1 and the emitter of the transistor Q2.
4. 根据权利要求 2、 3 所述的无线电源装置， 其特征是所述的导 磁体为圆柱形， 端面有圆片结构。  4. The wireless power supply device according to claim 2, 3, characterized in that the magnetically permeable magnet is cylindrical, and the end surface has a disc structure.
5. 根据权利要求 2、 3 所述的无线电源装置， 其特征是所述的导 磁体为工字形结构。  5. The wireless power supply device according to claim 2, 3, characterized in that the magnetically permeable magnet has an I-shaped structure.
6. 居权利要求 2、 3 所述的无线电源装置， 其特征是所述的导 磁体为多角结构。  6. The wireless power supply device according to claim 2, 3, characterized in that said magnetically permeable magnet has a polygonal structure.
PCT/CN2004/000125 2003-03-27 2004-02-17 A wireless power supply apparatus WO2004086588A1 (en)

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CN03113999.X 2003-03-27
CN03113999A CN1440106A (en) 2003-03-27 2003-03-27 Wireless power supply devices

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CN2325922Y (en) * 1997-04-23 1999-06-23 吴祖佑 AC-DC insulation module
WO2002059920A1 (en) * 2000-12-26 2002-08-01 General Electronic Company Coil and method for making same

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EP2618446A4 (en) * 2010-09-17 2016-05-11 Sony Corp Charging system

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