CN103236567B - Wireless charging method, apparatus and system for - Google Patents

Wireless charging method, apparatus and system for Download PDF

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CN103236567B
CN103236567B CN201310136835.5A CN201310136835A CN103236567B CN 103236567 B CN103236567 B CN 103236567B CN 201310136835 A CN201310136835 A CN 201310136835A CN 103236567 B CN103236567 B CN 103236567B
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frequency
end
transmitting
receiving
coupling
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CN103236567A (en
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王志刚
刘玉清
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东莞宇龙通信科技有限公司
宇龙计算机通信科技(深圳)有限公司
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Abstract

本发明公开了一种无线充电的方法、装置及系统,涉及电子设备应用领域,能够解决无线充电过程中耦合程度降低的问题。 The present invention discloses a wireless charging method, apparatus and system, the application relates to the field of electronic equipment, capable of solving a reduced degree of coupling wireless charging problem. 本发明的方法包括:获取对端的耦合特征信息,所述耦合特征信息用于表征本端与对端之间收发电磁波信号的耦合程度;根据所述耦合特征信息确定本端频率,以便本端频率与对端频率达到最佳匹配。 The method of the present invention comprises: acquiring end coupling feature information, the information for the degree of coupling features characterize the ends of the electromagnetic signals between the transceiver is coupled; this is determined according to the coupling characteristics of the frequency information, so that this end of the frequency and of the frequency of the best match. 本发明主要应用于对诸如手机、电脑等电子设备进行无线充电的过程中。 The present invention is mainly applied to such as mobile phones, computers and other electronic equipment for wireless charging process.

Description

无线充电的方法、装置及系统 Wireless charging method, apparatus and system for

技术领域 FIELD

[0001]本发明涉及电子设备应用领域,尤其涉及一种无线充电的方法、装置及系统。 [0001] The present invention relates to the field of application of electronic devices and more particularly relates to a wireless charging method, apparatus and system.

背景技术 Background technique

[0002] 无线充电技术主要通过电磁波的方式传送电能,典型的无线充电系统包括一个用于发送电磁波的发射端(例如充电底座)以及一个用于接收电磁波的接收端(例如待充电设备)。 [0002] The wireless power charging technology mainly transmitted by way of an electromagnetic wave, a typical wireless charging system includes a transmitting end (e.g. charging base) and a receiving end for receiving electromagnetic waves (e.g. device to be charged) for transmitting electromagnetic waves. 发射端与接收端之间通过电磁感应或者磁场共振的方式收发电磁波,从而实现电能的转移。 Between the transmitter and receiver or a transceiver of electromagnetic waves by electromagnetic induction of the magnetic field resonance mode, enabling the transfer of electrical energy. 随着无线充电技术的日益成熟以及其应用范围的不断扩大,无线充电技术越来越受到电子设备制造商的重视,在手机充电、电动汽车、医疗电子设备植入等领域得到了极大的关注。 With the development of wireless charging technology as well as expanding its scope of application, wireless charging technology more and more attention to electronic equipment manufacturers, charging cell phones, electric vehicles, medical electronic device is implanted in other fields has been of great concern .

[0003] 无线充电技术产生电磁波的原理在于,发射端内部安装有诸如LC回路等振荡电路,振荡电路内电感中的磁场能与电容中电场能之间相互转化,产生振荡电流,从而产生具有高频特性的电磁波。 [0003] The principle of wireless charging technology to produce electromagnetic waves that the transmitter is attached to an internal circuit such as a LC oscillation circuit, etc., the oscillation circuit inductance in magnetic energy between the capacitive electric field into each other and capable of generating an oscillating current, thereby producing a high frequency characteristics of electromagnetic waves. 接收端通过与电磁波频率(也称作发射端发射频率)达到最佳匹配的接收频率对电磁波所进行接收。 Frequency of electromagnetic waves by a receiving end (also referred to as a transmission side transmits frequency) to achieve the best match the reception frequency of the electromagnetic wave is received.

[0004] 在实现上述无线充电的过程中,发明人发现现有技术中至少存在如下问题:通常, 发射端的发射频率与接收端的接收频率均为固定值。 [0004] During the implementation of the wireless charging, the inventor finds at least the following problems in the prior art: In general, the receiving frequency transmitter transmitting frequency and the receiving end are fixed values. 随着电子设备使用时间的增加,电子设备中的部分器件老化,发射端与接收端的频率会发生改变,由此导致耦合程度降低,进而降低充电效率。 With increasing time of use of electronic devices, the electronic part of the device in the aging device, the frequency of the transmitter and the receiver will change, thereby resulting in reducing the degree of coupling, thereby reducing the charging efficiency. 此外耦合程度的降低还会导致电磁辐射和发热量增大,进一步加速电子设备器件的老化,影响产品寿命,严重时还会导致火灾事故的发生。 Further reduction of the degree of coupling of electromagnetic radiation and also lead to increased heat generation, the electronic apparatus further accelerate the aging device influence the life of the product, but also lead to serious fire accident.

发明内容 SUMMARY

[0005] 本发明实施例提供一种无线充电的方法、装置及系统,能够解决无线充电过程中耦合程度降低的问题。 Example embodiments provide a wireless charging method, apparatus and system for [0005] the present invention, it is possible to solve the decrease of the degree of coupling wireless charging problem.

[0006] 第一方面,本发明实施例提供了一种无线充电的方法,包括: [0006] In a first aspect, the present invention provides a method for wireless charging, comprising:

[0007] 获取对端的耦合特征信息,所述耦合特征信息用于表征本端与对端之间收发电磁波信号的耦合程度; [0007] Gets end coupling feature information, characterize the degree of coupling of the transceiver and the terminal end of the electromagnetic signals coupled between the characteristic information is used;

[0008] 根据所述耦合特征信息确定本端频率,以便本端频率与对端频率达到最佳匹配。 [0008] The coupling characteristics of the information for determining the local frequency in order to present the best match of the frequency of the frequency pair.

[0009] 第二方面,本发明实施例提供了一种无线充电的装置,包括: [0009] In a second aspect, embodiments of the present invention provides an apparatus for wireless charging, comprising:

[0010] 获取单元,用于获取对端的耦合特征信息,所述耦合特征信息用于表征本端与对端之间收发电磁波信号的耦合程度; [0010] acquiring unit, for acquiring information on the end coupling feature, the coupling characteristic information for characterizing the degree of the local electromagnetic signal transceiver coupled between the ends;

[0011] 确定单元,用于根据所述获取单元获取的所述耦合特征信息确定本端频率,以便本端频率与对端频率达到最佳匹配。 [0011] determination means for determining the frequency of the local end of the coupling according to the acquired feature information obtaining unit, so as to present the best match of the frequency of the frequency pair.

[0012] 第三方面,本发明实施例提供了一种无线充电的系统,包括发射端和接收端,所述发射端包含如第二方面所述的无线充电的装置,其中, [0012] In a third aspect, the present invention provides a wireless charging system comprising a transmitter and receiver, the radio apparatus comprising the charging end of the emission of the second aspect, wherein,

[0013] 所述接收端,用于向所述发射端发送耦合特征信息,所述耦合特征信息用于表征所述接收端与所述发射端之间收发电磁波信号的耦合程度; [0013] the receiving end to the transmitting end for transmitting the feature information is coupled, the coupling feature information characterizing the receiving end and for the degree of coupling electromagnetic signals between the transceiver end of the transmitter;

[0014] 所述发射端,用于获取所述接收端发送的所述耦合特征信息,并根据所述耦合特征信息确定所述发射端的发射频率,以便所述发射端的发射频率与所述接收端的接收频率达到最佳匹配。 [0014] The transmitting end, wherein the coupling is configured to obtain the information sent by the receiving terminal, and information for determining the transmission frequency of the transmitting end according to the coupling characteristics, so that the emitter of the frequency and the receiving end of the end the reception frequency to achieve the best match.

[0015] 第四方面,本发明实施例提供了一种无线充电的系统,包括发射端和接收端,所述接收端包含如第二方面所述的无线充电的装置,其中, [0015] In a fourth aspect, the present invention provides a wireless charging system, comprising a transmitting end and a receiving end, the receiving end comprises a wireless charging apparatus as recited in the second aspect, wherein,

[0016] 所述发射端,用于向所述接收端发送耦合特征信息,所述耦合特征信息用于表征所述发射端与所述接收端之间收发电磁波信号的耦合程度; [0016] The transmitting end, wherein the coupling for transmitting information to the receiving end, the coupling feature information characterizing said transmitting end and for the degree of coupling between the ends of transceiving electromagnetic signals in said receiver;

[0017] 所述接收端,用于获取所述发射端发送的所述耦合特征信息,并根据所述耦合特征信息确定所述接收端的接收频率,以便所述接收端的接收频率与所述发射端的发射频率达到最佳匹配。 [0017] The receiving end of the coupling for transmitting the feature information obtaining sends and receives information to determine the characteristic frequency of the coupling of the receiving end according to the receiving frequency of the receiving terminal transmitting end transmission frequency to achieve the best match.

[0018] 本发明实施例提供的无线充电的方法、装置及系统,能够获取对端的耦合特征信息,该耦合特征信息用于表征本端与对端之间收发电磁波信号的耦合程度,根据耦合特征信息确定本端频率,以便本端频率与对端频率达到最佳匹配。 [0018] The wireless charging method, apparatus and system provided in the embodiment of the present invention, it is possible to obtain information on the end coupling feature, the coupling characteristic information is used to characterize the degree of coupling of electromagnetic signals between the transceiver terminal end of this, according to the coupling characteristics information for determining the local frequency in order to present the best match of the frequency of the frequency pair. 与现有技术中接收端和发射端频率值固定不变相比,可以通过调节接收端接收频率和/或发射端发射频率的方式提高电磁波信号的耦合程度,由此提高充电效率。 The prior art receiving end and transmitting end fixed frequency values ​​compared, by adjusting the receiving end can receive a frequency and / or frequency of the transmit side transmits a manner to improve the degree of coupling of electromagnetic signals, thereby improving the charging efficiency.

附图说明 BRIEF DESCRIPTION

[0019] 为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。 [0019] In order to more clearly illustrate the technical solutions in the embodiments or the prior art embodiment of the present invention, briefly introduced hereinafter, embodiments are described below in the accompanying drawings or described in the prior art needed to be used in describing the embodiments the drawings are only some embodiments of the present invention, those of ordinary skill in the art is concerned, without creative efforts, can derive from these drawings other drawings.

[0020] 图1为本发明实施例所基于的无线充电的系统架构示意图; [0020] FIG. 1 is a schematic diagram of a system architecture based wireless charging embodiment of the invention;

[0021 ]图2为本发明实施例中无线充电的方法流程图; [0021] FIG 2 is a flowchart of a wireless charging method embodiment of the present embodiment of the invention;

[0022] 图3为本发明实施例中另一个无线充电的方法流程图; [0022] FIG 3 a flow diagram of another embodiment of a wireless charging method of the present invention;

[0023] 图4为本发明实施例中接收端接收的电磁波信号的曲线示意图; [0023] FIG. 4 schematic graph electromagnetic wave signal received by the receiving end in the embodiment of the present embodiment of the invention;

[0024] 图5为本发明实施例中又一个无线充电的方法流程图; [0024] FIG. 5 another embodiment of a flowchart of the wireless charging method of the present invention;

[0025] 图6为本发明实施例中无线充电的装置的结构示意图; [0025] FIG. 6 is a schematic structure of the wireless charging apparatus embodiment of the invention;

[0026] 图7为本发明实施例中另一个无线充电的装置的结构示意图; [0026] Figure 7 a schematic structural diagram of another embodiment of a charging apparatus for wireless embodiment of the invention;

[0027] 图8为本发明实施例中无线充电的系统示意图; [0027] Figure 8 a schematic diagram of a wireless charging system of the embodiment of the present invention;

[0028]图9为本发明实施例中另一个无线充电的系统示意图。 [0028] FIG. 9 is a schematic diagram of another system embodiment of the invention the wireless charging.

具体实施方式 Detailed ways

[0029] 下面将结合本实施例中的附图,对本实施例中的技术方案进行清楚、完整地描述, 显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。 [0029] below with reference to embodiments in the drawings of the present embodiment, the present embodiment aspect will be clearly and completely described, obviously, the described embodiments are merely part of embodiments of the present invention rather than all embodiments. 基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。 Based on the embodiments of the present invention, those of ordinary skill in the art to make all other embodiments without creative work obtained by, it falls within the scope of the present invention.

[0030] 本实施例首先对无线充电的系统架构进行简要介绍。 [0030] First, the present embodiment of the wireless charging system architecture briefly. 如图1所示,该系统架构包含一个用于发送电磁波信号的发射端,以及一个用于接收电磁波信号的接收端,实际应用中该发射端可以设置于充电底座内部,该接收端可以设置于电子设备内部。 1, the system architecture comprises a transmitter for transmitting electromagnetic signals, and a receiving terminal for receiving electromagnetic signals, the practical application of the transmitting end may be provided inside the charging base, which may be provided in the receiving end internal electronic equipment. 发射端与接收端均具有用于电磁耦合的线圈,两者通过电磁感应的方式进行电能的无物理介质传输。 Transmitter and receiver has a coil for electromagnetic coupling, two physical transmission media without electrical energy by electromagnetic induction.

[0031 ]下面基于图1所示的系统架构对本实施例进行说明。 [0031] Hereinafter, embodiments according to the present embodiment will be described based on the system architecture shown in FIG.

[0032]为提高电磁波信号的耦合程度,本实施例提供了一种无线充电的方法,如图2所示,所述方法包括: [0032] To enhance the coupling of electromagnetic signals, the present embodiment provides a wireless charging method, as shown in FIG. 2, the method comprising:

[0033] 201、获取对端的耦合特征信息。 [0033] 201, to obtain information on the end coupling feature.

[0034] 本实施例中的耦合特征信息用于表征本端与对端之间收发电磁波信号的耦合程度,例如耦合特征信息可以是接收端的充电效率或发射端的发射频率。 [0034] This information characterizing the degree of electromagnetic signals between the transceiver terminal end of the coupling for coupling features in the embodiments, such feature information may be coupled to the charging efficiency of the receiving end or transmitting end transmit frequency.

[0035] 无线充电的装置及可以位于图1中所示的接收端内也可以位于图1中所示的发射端内。 The [0035] apparatus for wireless charging and may be located at the receiving end as shown in FIG. 1 may be located within the transmitting end as shown in FIG. 当位于接收端内时,该接收端作为本实施例的执行主体,当位于发射端内时,该发射端作为本实施例的执行主体。 When positioned within the receiving end, the receiving end as the execution subject of the present embodiment, when the transmitting end is located inside when the transmitting end as the execution subject of the present embodiment.

[0036]需要说明的是,所谓"本端"或"对端"的表述仅为体现电磁波信号流向的相对意义,当本端为发射端时所述对端为接收端,同样当本端为接收端时所述对端为发射端。 [0036] Incidentally, the term "local" or "peer" expression only in a relative sense reflected electromagnetic wave signal flows, when the local end to the transmitting end to the receiving end terminal, also when the terminal is present receiving end at the opposite end to a transmission side. 所述耦合特征信息作为表征本端与对端之间耦合程度的信息,可以由发射端从接收端处获取也可以由接收端从发射端处获取,用于接收端或发射端后续确定本端频率的依据。 The coupling feature information, may be acquired as the information characterizing the terminal end of the degree of coupling between the transmitting end from the receiving end to be acquired by the receiving end from the transmitting end, the receiving end or transmitting end for subsequent determination of the local based on frequency.

[0037] 202、根据耦合特征信息确定本端频率,以便本端频率与对端频率达到最佳匹配。 [0037] 202, according to the coupling characteristics of the frequency information for determining the present, in order to present the best match of the frequency of the frequency pair.

[0038] 当本端为接收端时所述本端频率为接收频率,当本端为发射端时所述本端频率为发射频率。 [0038] When this terminal is the receiving end of the frequency of the present reception frequency, when the local end to the transmitting end of the transmission frequency of the local frequency. 在获取到对端的耦合特征信息之后,本端根据该耦合特征信息确定本端频率,以使得本端频率与对端频率达到最佳匹配,从而提高本端与对端之间收发电磁波信号的耦合程度。 After obtaining the information of the end coupling feature, the end of the coupling of the frequency characteristic information is determined according to the present, so that this end of the frequency and the best match of the frequency, thereby increasing the local transceiving electromagnetic signals coupled between the ends of the degree.

[0039] 所谓"最佳匹配"可以是本端频率值与对端频率值相等,实际应用中很难达到两频率值在绝对意义上相等,因此所谓"最佳匹配"还包括两频率值的差值在一定的允许范围内。 [0039] The so-called "best match" may be equal to the present value of the frequency values ​​of the frequency pair, a practical application is difficult to achieve two frequency values ​​equal in absolute terms, so-called "best match" further comprises two frequency values in certain difference allowable range. 例如当两频率值差值不超过100Hz时,近似认为两频率值匹配。 For example, when the frequency difference between two values ​​is not more than 100Hz, a frequency approximate that two values ​​match.

[0040] 此外,所谓"最佳匹配"还包括根据本端能力最大程度使本端频率接近对端频率。 [0040] In addition, the term "best match" capability further comprising a local maximum extent so that the local frequency is close to the end frequency. 例如,由于器件老化等因素影响,本端能够达到的最大频率值为1900Hz,而对端的频率值为2100Hz,则本端将当前频率值1400Hz调节为最大频率值1900Hz以尽量接近对端频率值2100Hz〇 For example, since the device aging and other factors, the highest value of the local frequency is 1900Hz, and 2100Hz end of the frequency value, the frequency value of the local current 1400Hz 1900Hz adjusted to a maximum frequency as close as possible to the value of the frequency of 2100Hz 〇

[00411 本实施例中,本端可以在预设时刻值上顺序执行步骤201和步骤202,将本端频率调整到与对端频率匹配的程度,也可以根据用户的触发指令顺序执行步骤201和步骤202。 [00411 embodiment, the end may be sequentially performed steps 201 and 202 at a preset time value, the present frequency to the end, can be performed with the degree of matching of the frequency according to a user command triggering the order of steps 201 and step 202. 此外,本端还可以按照预设时间间隔周期性的执行步骤201和步骤202,对本端频率进行多次调整。 Furthermore, the end may also be performed periodically according to a preset time steps 201 and spacer 202, the present multiple of the frequency adjustment. 本实施例不对调整本端频率的时机以及次数进行限制。 This embodiment does not adjust the timing and frequency of the local frequency to be limiting.

[0042]通常,现有技术中包含三种无线充电的方式:1)电磁感应、2)无线电波以及3)磁场共振,这三种方式均涉及到发射频率和接收频率,例如电磁波频率或磁场共振频率。 [0042] Generally, the prior art comprises three wireless charging way: 1) Electromagnetic induction, 2) a radio wave and 3) magnetic resonance, these three methods involve the transmit and receive frequencies, the frequency of electromagnetic waves or field for example, Resonance frequency. 以电磁感应为例,当接收端的接收频率与发射端的发射频率达到最佳匹配时(即产生谐振时),接收端与发射端之间的耦合程度最高,亦即充电效率最高。 In an example of electromagnetic induction, (i.e. resonance) when the receiving end of the transmission frequency and the reception frequency to best match the transmitting end, the degree of coupling between the receiving end and the transmitting end the highest, i.e., the charging efficiency is the highest. 当由于期间老化等因素导致接收频率与发射频率不匹配时,接收端与发射端之间的耦合程度降低,充电效率随之下降。 When due to aging and other factors during the transmission frequency and the reception frequency does not match the degree of coupling between the transmitting end and the receiving end is reduced, the charging efficiency is decreased. 目前的相关科学研究已经表明,无线电波的充电方式可以传输几瓦的功率,电磁感应的充电方式可以传输几十瓦至几百瓦的功率,而磁场共振的充电方式则可以将传输功率提升到千瓦级别。 Scientific studies have shown correlation of the current, charging radio wave can be transmitted a few watts of power, electromagnetic induction charging can transmit several tens of watts to several hundred watts of power, the charging magnetic resonance can enhance the transmission power to kilowatt level. 对于如此级别的传输功率,因接收频率与发射频率不匹配造成的功率浪费不容小觑。 For such a transmission power level, transmission frequency and the reception frequency due to mismatch waste of power can not be underestimated. 本实施例提供的无线充电的方法,能够获取对端的耦合特征信息,该耦合特征信息用于表征本端与对端之间收发电磁波信号的耦合程度,根据耦合特征信息确定本端频率,以便本端频率与对端频率达到最佳匹配。 The wireless charging method provided in the present embodiment, it is possible to obtain information on the end coupling feature, the coupling characteristic information is used to characterize the degree of coupling of electromagnetic signals between the transceiver terminal end of this, according to the coupling of the frequency determining feature of the present information, so that this and of the frequency of the frequency of the best match. 与现有技术中接收端和发射端频率值固定不变相比,可以通过调节接收端接收频率和/或发射端发射频率的方式提高电磁波信号的耦合程度,由此提高充电效率,同时还能够减少电磁辐射对人体的伤害以及对器件老化的加速影响。 Compared with the prior art receiving end and transmitting end fixed frequency value, may transmit frequency of the received frequency and / or by adjusting the transmitting terminal receiving end ways to enhance the degree of coupling of electromagnetic signals, thereby improving the charging efficiency, while also reducing electromagnetic radiation damage on the human body and accelerate the aging effects on the device.

[0043] 下面本实施例分别针对无线充电装置位于接收端以及无线充电装置位于发射端两种情况,对图1所示的方法进行详细说明以及进一步扩展。 The present embodiment [0043] The following examples are for the wireless charging device located in a receiving end and a transmitting end of wireless charging device positioned either case, the procedure shown in FIG. 1 and described in detail further expansion.

[0044] 如图3所示,当无线充电装置位于接收端时,所述无线充电的方法包括: [0044] 3, when the wireless device on the receiving side when the charging, the wireless charging method comprising:

[0045] 301、接收端接收发射端发送的电磁波信号。 [0045] 301, the receiving end receives a signal sent by an electromagnetic wave emission.

[0046] 接收端可以在充电前向发射端发送指示消息,指示发射端向接收端发送电磁波测试信号,也可以在充电过程中实时接收发射端发送的电磁波信号。 [0046] The receiving terminal may send an indication message to the transmitting end before charging, to instruct the transmitter transmits an electromagnetic wave test signal to the receiving end, may also receive electromagnetic signals transmitted by the transmitter in real time during the charging process. 本实施例对接收端接收电磁波信号的时机不做限制。 This embodiment does not limit the timing of receiving terminal for receiving electromagnetic signals of the present embodiment.

[0047] 302、接收端提取发射端发送电磁波信号的发射频率。 [0047] 302, the receiver extracts the transmission frequency of the transmitter sends electromagnetic signals.

[0048] 接收端获取的耦合特征信息具体为发射端发送电磁波信号时的发射频率。 [0048] receiving end coupled to the acquired characteristic information specific frequency transmitter for transmitting electromagnetic signals to the transmitting end. 在接收到电磁波信号时,接收端可以通过射频传感器提取发射端发送电磁波信号的发射频率从而获取到耦合特征信息。 Upon receiving the electromagnetic wave signal, the receiving end may be coupled so as to acquire the feature information extraction frequency transmitter transmitting electromagnetic signals transmitted by the RF sensor.

[0049] 可选的,接收端提取发射频率的具体实现方式如下: [0049] Alternatively, the receiving end extracts the transmission frequency of the specific implementation of the following:

[0050] 302a、接收端获取发射端发送电磁波信号的频率峰值和频率谷值。 [0050] 302a, the receiving end acquires frequency peak and valley frequency transmitter sends electromagnetic signals.

[0051] 接收端对在预设时长内(例如1毫秒内)接收到的电磁波信号进行离散取值,获得多个频率值。 [0051] The receiving side receives the electromagnetic wave signal within the length (e.g., 1 millisecond) for a preset time discrete values ​​to obtain a plurality of frequency values. 接收端将其中数值最大的频率值确定为频率峰值,将其中数值最小的频率值确定为频率谷值。 Wherein the value of the maximum frequency value is determined as the receiving end peak frequency, wherein the frequency value of the minimum value is determined as the frequency trough. 例如,接收端在1毫秒内接收到的电磁波信号如图4中曲线所示,接收端以0.1毫秒的粒度对该电磁波信号进行离散取值,获得如图4中数值所示的10个频率值。 For example, the receiving end within 1 millisecond of the received electromagnetic wave signal shown in the graph in FIG. 4, the receiving end is 0.1 msec granularity discrete values ​​of the electromagnetic wave signal, the frequency value is obtained 10 values ​​shown in FIG. 4 . 然后接收端2500Hz确定为频率峰值,将1900Hz确定为频率谷值。 2500Hz receiving end then determines the peak frequency, determines the frequency 1900Hz valley.

[0052] 302b、接收端将获取到的频率峰值和频率谷值进行几何平均值计算,获得发射频率的中心频率。 [0052] 302b, the receiving end the acquired peak frequency and frequency of Valley geometric mean value calculation, to obtain the center frequency of the transmitted frequency.

[0053] 中心频率的计算公式如下式(1)所示: [0053] The center frequency calculation formula by the following formula (1):

[0054] 4AxB ( 1 ) [0054] 4AxB (1)

[0055] 其中,A为频率峰值,B为频率谷值。 [0055] wherein, A is the peak frequency, B is the frequency valley. 以图4为例,发射频率的中心频率为/isWx'T涵^等于2180Hz 〇 4 as an example, the center frequency of the transmission frequency / isWx'T Han ^ equal to 2180Hz square

[0056] 303、接收端根据发射端的发射频率查表获取电容调节量。 [0056] 303, the receiver according to the transmission frequency of the transmitting end capacitance adjustment amount acquisition table lookup.

[0057] 接收端中预设有用于获取电容调节量的映射关系表,该映射关系表用于建立发射频率与电容调节量之间的映射关系,其中,电容调节量可以是LC回路中电容上下极板之间的间距d。 [0057] the receiving end for a predetermined amount of capacitance adjustment acquiring mapping table, the mapping table is used to establish a mapping relationship between the transmission frequency and the capacitance adjustment amount, wherein the capacitance adjustment amount may be an LC circuit capacitor vertical distance d between the plates.

[0058] 可选的,所述映射关系表用于建立中心频率与电容调节量之间的映射关系,其中所述中心频率为发射端发射频率的中心频率,即步骤302中接收端提取的中心频率。 [0058] Alternatively, the mapping table is used to establish a mapping relationship between the capacitance adjustment amount of the center frequency, wherein the transmitter center frequency is the center frequency of transmission frequency, i.e., the center side received in step 302 the extracted frequency. 所述映射关系表可以形如下表: The mapping table may be formed as follows:

[0059] [0059]

Figure CN103236567BD00071

Figure CN103236567BD00081

L WCIU」 ;3U4、按叹丽忮照电谷调T重调TL(j凹蹐的电谷但。 L WCIU "; 3U4, Li sigh press according invasive electrical modulation valley valley T retune electrically TL (j recess but Ji.

[0061 ]接收端按照电容调节量调节LC回路的电容值,由此改变自身的接收频率,从而使自身接收频率与发射端的发射频率之差在预设范围内。 [0061] The receiving terminal according to adjust the capacitance value of the capacitance adjustment amount LC circuit, thereby changing the reception frequency of its own, so that their reception frequency difference between the transmitting frequency of the transmitter within a predetermined range.

[0062] 具体的,计算电容值的公式具体如下式: [0062] Specifically, the formula for calculating the capacitance value of the formula as follows:

[0063] C=eS/43ikd (2) [0063] C = eS / 43ikd (2)

[0064] 其中,C为电容值,ε为一个常数,S为电容极板的正对面积,k为静电力常量,d为电容极板间距。 [0064] wherein, C is the capacitance, ε is a constant, S is the area of ​​the capacitor plates positive, k is the electrostatic constant, d is the spacing of the capacitor plates. 根据公式(2)可知,极板间距d与电容值C之间成反比关系,接收端可以通过增大电容上下极板间距d的方式降低LC回路的电容值C,或者通过减小电容上下极板间距d的方式提高LC回路的电容值C。 (2) seen from the equation, the distance d between the plates is inversely proportional relationship with the capacitance Found C, the receiver can increase the capacitance spacing d by the upper and lower plates way to reduce the capacitance value C LC circuit, or by decreasing the capacitance upper and lower pole plate spacing d of ways to enhance the capacitance value of the LC circuit C.

[0065]通常,LC回路内部发生线圈磁场能与电容电场能之间的相互转化,由此产生的大小和方向都作周期性变化的电流叫振荡电流。 [0065] Generally, the LC circuit of the internal magnetic field generating coil capable of mutual conversion between electric energy and the capacitor, the magnitude and direction of the resulting current will be called periodically varying dither current. 振荡电流是一种频率很高的交变电流,只能由诸如LC回路等振荡电路产生。 Oscillating current is a high frequency alternating current, only be generated by the oscillation circuit such as LC circuit and the like. 本实施例中,接收端通过改变LC回路电容值调节接收频率的原理为:通过改变电容存储电荷的能力改变电容充放电的时长,由此改变磁场能与电场能之间转化的频率,进而改变震荡电流的频率,从而使接收频率发生改变。 In this embodiment, the receiver circuit by changing the capacitance value of LC reception frequency adjustment principle: capacitive storage capacity by changing the length modification of the charge of the load capacitor, thereby changing the frequency of the magnetic energy conversion between electric energy and, thereby changing current frequency of the oscillation, so that the reception frequency is changed.

[0066] 需要说明的是,在图3所示的方法中,频率数值以及极板间距值d仅作为举例说明之用,不构成对实际应用中具体数值的限定。 [0066] Incidentally, in the method shown in FIG. 3, the frequency values ​​and the plate spacing d values ​​only illustrative only and not to limit the practical application of the specific numerical values.

[0067] 本实施例中主要通过调整电容极板间距d的方式对接收端的接收频率进行调整, 此外接收端还可以通过调整电容极板正对面积S的方式对接收端的接收频率进行调整,其调整原理与图3步骤304所示的原理相同,此处不再赘述。 [0067] The present embodiment mainly receiving frequency of the receiving end is adjusted by means of adjusting capacitor plate spacing d, in addition to the receiving terminal may also be positive for the way the area S of the frequency of a reception side is adjusted by adjusting the capacitor plates, which 3 and FIG adjustment principle the same principle shown in step 304, will not be repeated here.

[0068] 实际应用中接收端LC回路中的电容还可以是压电式可变电容,接收端通过对压电式可变电容的上下极板施加不同的电压对电容值进行调整。 [0068] The practical application of the receiving side circuit LC capacitor may also be a piezoelectric variable capacitor, the receiving end by applying different voltages to the upper and lower plates of the piezoelectric capacitance value of variable capacitance to adjust. 具体的,接收端增大电容上下极板电压以提高LC回路的电容值,或减小电容上下极板电压以降低LC回路的电容值。 Specifically, the receiving end of the vertical plate voltage of the capacitor is increased to increase the capacitance of the LC circuit, the vertical plates or decreasing the capacitance value of the voltage to reduce the capacitance of the LC circuit. 当电容调节量为电容上下极板电压时,上述映射关系表还可以形如下表: When the amount of capacitance adjustment capacitor voltage upper and lower plates, the above-described mapping table may also be formed as follows:

[0069] [0069]

Figure CN103236567BD00082

[0071] 本实施例提供的无线充电的方法,能够将接收端作为频率调节对象,由接收端获取发射端的发射频率,然后根据该发射频率调整自身LC回路中的电容值,由此将自身的接收频率调整为与发射端发射频率达到最佳匹配的频率值,由此提高收发两端的耦合程度。 [0071] In the radio charging method provided by the embodiment, can be a receiving end a frequency adjustment object, retrieving the transmission frequency transmitting end from the receiving end, and adjusting the capacitance value itself LC circuit in accordance with the transmission frequency, whereby its and the reception frequency is adjusted to the frequency value of the frequency transmission side transmits to best match, thereby increasing the coupling degree sending and receiving ends. 与现有技术中接收端和发射端频率值固定不变相比,可以通过调节接收端接收频率的方式提高接收端与发射端之间收发电磁波信号的耦合程度,进而提高充电效率。 The prior art receiving end and transmitting end fixed frequency value improved as compared to the degree of transceiving electromagnetic signals coupled between the receiving end and transmitting end by way of adjusting the reception frequency of the receiving terminal, thereby improving the charging efficiency.

[0072] 如图5所示,当无线充电装置位于发射端时,所述无线充电的方法包括: [0072] As shown in FIG. 5, when the radio transmitter is located in the charging device when the wireless charging method comprising:

[0073] 501、发射端在预设时长内以不同的发射频率向接收端多次发送电磁波信号。 [0073] 501, a long transmitting end to the receiving end transmits an electromagnetic wave signal at a predetermined plurality of times at different emission frequencies.

[0074] 发射端以不同的发射频率向接收端多次发送电磁波测试信号,在每次发送电磁波信号时,发射端按照预设电容调节量调节自身LC回路的电容值,以便根据预设的频率步长产生不同的发射频率。 [0074] In a different transmitting end to the receiving end of the transmission frequency of the test signal repeatedly transmitted electromagnetic wave, an electromagnetic wave signal at each transmission, the transmitter adjust its capacitance value of the LC circuit capacitor according to a preset amount of adjustment, according to a predetermined frequency step size to generate different emission frequencies. 预设电容调节量可以是电容极板间距,例如为〇.5mm,所述频率步长为对应0.5mm间距的频率变化量。 Predetermined amount of capacitance adjustment capacitor plate spacing may be, for example 〇.5mm, the frequency step corresponding to the change amount of the frequency 0.5mm pitch. 发射端以电容极板间距为0mm开始,每次增加0.5mm,然后获得一个发射频率,并根据该发射频率向接收端发送电磁波信号。 The transmitting end to the start capacitor plate spacing of 0mm increments 0.5mm, and then obtains a transmission frequency, and transmits the electromagnetic wave signal to a receiving end based on the transmission frequency. 发射端按照预设电容调节量调节自身LC回路中电容值的原理与图3步骤304中接收端按照电容调节量调节自身LC 回路中电容值的原理相同,此处不再赘述。 The transmitting end according to a preset amount adjusting capacitance adjustment principle FIG capacitance value itself LC circuit 304 receives the end of the third step the same principle regulator capacitance value itself LC circuit capacitor in accordance with the amount of adjustment is not repeated here.

[0075] 发射端在充电前向接收端多次发送电磁波测试信号,也可以在充电过程中实时向接收端发送电磁波信号。 [0075] The transmitter transmits an electromagnetic wave test signal a plurality of times to the receiving end before charging, the electromagnetic wave signal can be transmitted in real time to the receiving end during the charging process. 本实施例对发射端发送电磁波信号的时机不做限制。 This embodiment timing transmitting end transmits electromagnetic signals is not restricted.

[0076] 502、发射端获取接收端在每次接收到电磁波信号时所发送的充电效率。 [0076] 502, the transmitter acquires the charging efficiency of the receiving end each time it receives the electromagnetic wave signals transmitted.

[0077] 接收端在接收电磁波信号的过程中获取自身的充电效率,该充电效率为一个百分比,用于表征单位时间内接收端实际接收的电能与理想条件下接收的电能之比,例如充电效率可以为80 %或90 %。 [0077] The receiving side gets its charge efficiency during the reception of electromagnetic signals, the charging efficiency as a percentage, for the ratio of the power of the received power at the receiving end with the ideal conditions characterized actually received per unit time, for example, the charging efficiency It may be 80% or 90%.

[0078] 本实施例中所述预设时长可以为一分钟或者五分钟。 Example embodiments when the preset length [0078] This may be one minute or five minutes. 优选的,发射端可以在整个充电的过程中不断接收接收端发送的充电效率,例如每隔20秒接收一次。 Preferably, the transmitter may continue to receive the charging efficiency of the receiving end transmits throughout the charging process, for example, received once every 20 seconds. 在接收充电效率时,发射端可以向接收端发送用请求充电效率的请求信息,并接收接收端反馈的携带有充电效率的请求响应。 Upon receiving the charging efficiency, the transmitter may send a request with request information to the receiving end of the charging efficiency, and receives a reception request carries the charging efficiency of the feedback response. 此外,发射端还可以直接接收接收端按照预设时间间隔发送的充电效率,本实施例对此不做限制。 Further, the transmitting end may also directly receive the receiving end according to a preset time interval to send charging efficiency, the present embodiment is not limited in this embodiment.

[0079] 503、发射端将效率值最高的充电效率所对应的发射频率,确定为发射端的发射频率。 [0079] 503, the transmitter will transmit the highest frequency efficiency value corresponding to the charging efficiency, determined as the transmission frequency of the transmitter.

[0080] 例如发射端在一分钟内获取到80%、75 %、84%、92 %、78%、84%以及95 %七个充电效率。 [0080] transmitting end, for example, within one minute to obtain 80%, 75%, 84%, 92%, 78%, 84% and 95% charging efficiency seven. 发射端将这七个充电效率中效率值最高的95 %所对应发射频率确定为发射端后续发送电磁波信号的发射频率。 These seven transmitter efficiency in charging efficiency value of 95% of the highest transmission frequency is determined as corresponding to the transmitting end transmits the subsequent transmission frequency electromagnetic wave signal.

[0081] 对于发射端通过请求信息获取充电效率的方式,发射端可以在请求信息中携带一个不少于1比特的标志位,并且接收端将这个标志位携带在请求响应中反馈给发射端。 [0081] For transmitting terminal information acquisition request through the charging efficiency, the transmitter may carry less than a 1-bit flag in the request information, and the flag in the request carries the receiving end to the transmitting end in response to feedback. 发射端通过该标志位确定与该请求响应对应的请求信息,由此确定该请求信息的发送时刻,进而将该时刻上的发射频率确定为与该充电效率对应的发射频率。 The transmitting end determines that the requested flag information corresponding to the request response, thereby determining the transmission time point information request, and thus the transmission frequency on the transmitting timing determined as the frequency corresponding to the charging efficiency by. 在确定效率值最高的充电效率后,发射端根据该请求信息、请求响应以及标志位确定对应该充电效率的发射频率,从而将该发射频率确定为频率调整后的发射频率。 After determining the value of the most efficient charging efficiency, the transmitting end according to the request information, the request and the response flag for determining the efficiency of the transmission frequency to be charged, so that the transmission frequency is determined as the transmission frequency after frequency adjustment.

[0082] 对于发射端直接获取接收端发送的充电效率的方式,接收端可以在发送充电效率的信息中携带一个时间戳,该时间戳用于标记接收端发送充电效率的时刻值。 [0082] For the charging efficiency of the receiver sends the transmitter contact manner, the receiving side can carry a time stamp information transmitted in the charging efficiency, the time stamp value of the flag for the receiver sends the charging efficiency. 由于接收端与发射端之间数据交互的耗时极短,可以近似忽略不计,因此发射端在接到充电效率时,可以获取该充电效率对应的时间戳,将在该时间戳所标记的时刻值上发送电磁波信号的发射频率确定为发射端后续发送电磁波信号的发射频率。 Since the time-consuming data exchange between the transmitting end and the receiving end is very short, approximately be negligible, and therefore the transmitter, upon receiving the charging efficiency, charging efficiency can be acquired corresponding to the time stamp, the time stamp will be marked in the time transmitting an electromagnetic wave signal transmitted on the frequency determination value transmitter transmits the subsequent transmission frequency of the electromagnetic wave signal.

[0083] 优选的,在无线充电的过程中,发射端可以不断接收接收端发送的充电效率,在每次接收到一个充电效率时,将该效率值与此前已接收的效率值中最大的效率值进行比较, 如果当前接收的效率值大于此前已接收的效率值中最大的效率值,则发射端将对应当前效率值的发射频率确定为发射端后续发送电磁波信号的发射频率。 [0083] Preferably, in a wireless charging process, the transmitter may continue to receive the charging efficiency of the receiving end of the transmission, the efficiency value each time it receives a charging efficiency, and the efficiency values ​​previously received maximum efficiency value, if the currently received value is greater than the efficiency of the efficiency values ​​have previously received the maximum efficiency value, the transmitting end corresponding to the transmit frequency determined current efficiency value to a transmission side transmits the subsequent transmission frequency electromagnetic wave signal.

[0084] 本实施例提供的无线充电的方法,能够将发射端作为频率调节对象,由发射端在预设时长内以不同的发射频率向接收端多次发送电磁波信号,然后获取接收端在每次接收到电磁波信号时所发送的充电效率,将效率值最高的充电效率所对应的发射频率确定为发射端的发射频率。 [0084] The wireless charging method provided in the present embodiment, the transmitter can be adjusted as a target frequency, a long wave signal transmitted from the transmitter at a predetermined frequency at different transmit times to the receiving end, the receiving end then acquires each when receiving the charging efficiency times the transmitted electromagnetic signal, the maximum efficiency value of the charging efficiency is determined corresponding to the transmission frequency of the transmission frequency of the transmitter. 以充电效率作为发射频率的调整依据,通过效果验证的方式选择使收发两端耦合程度达到最佳状态的发射频率。 In the charging efficiency as a basis for adjusting the transmission frequency, selected so that the degree of the receiver and transmitter coupled to the transmit frequency to achieve the best effect by way of verification. 与现有技术中接收端和发射端频率值固定不变相比,可以通过调节接收端接收频率的方式提高接收端与发射端之间收发电磁波信号的耦合程度,进而提高充电效率。 The prior art receiving end and transmitting end fixed frequency value improved as compared to the degree of transceiving electromagnetic signals coupled between the receiving end and transmitting end by way of adjusting the reception frequency of the receiving terminal, thereby improving the charging efficiency.

[0085] 参考上述方法的实现,本实施例还提供了一种无线充电的装置,该装置可以位于接收端也可以位于发射端,用于对接收的接收频率或者发射端的发射频率进行调整,以使收发两端的频率匹配,从而提高收发两端的耦合程度。 [0085] Referring to achieve the above-described method, the present embodiment also provides a device for wireless charging, the device may be located in the receiving end may be located at the transmitting end, for transmitting or receiving frequency of the receiving frequency of the transmitter to be adjusted to to match the frequency of sending and receiving ends, thereby enhancing the degree of coupling both ends of a transceiver. 如图6所示,所述装置61包括:获取单元611、确定单元612,其中, 6, the apparatus 61 comprises: an acquisition unit 611, determination unit 612, wherein,

[0086] 所述获取单元611,用于获取对端的耦合特征信息,所述耦合特征信息用于表征本端与对端之间收发电磁波信号的耦合程度; [0086] The acquisition unit 611 for acquiring information on the end coupling feature, the coupling feature information for characterizing the degree of the local transceiver is coupled between the electromagnetic wave signal;

[0087] 所述确定单元612,用于根据所述获取单元611获取的所述親合特征信息确定本端频率,以便本端频率与对端频率达到最佳匹配。 [0087] The determination unit 612, according to the acquisition unit 611 acquires feature information for determining the affinity of the local frequency in order to present the best match of the frequency of the frequency pair.

[0088]进一步的,如图7所示,所述获取单元611具体包括: [0088] Further, as shown in FIG. 7, the acquisition unit 611 comprises:

[0089 ]接收子单元711,用于接收发射端发送的电磁波信号; [0089] The receiving subunit 711, configured to receive a signal sent by emitting an electromagnetic wave;

[0090] 提取子单元712,用于从所述接收子单元711接收的所述电磁波信号中提取所述发射端的发射频率; [0090] extraction sub-unit 712, for extracting transmit frequency from the transmitting end of the electromagnetic wave signal received by the receiving subunit 711;

[0091] 发送子单元713,用于在预设时长内以不同的发射频率向接收端多次发送电磁波信号; [0091] sending subunit 713, for transmitting a long wave signal to the receiving end at different times during a predetermined transmission frequency;

[0092] 获取子单元714,用于获取接收端在每次接收到电磁波信号时所发送的充电效率, 所述充电效率用于表征单位时间内所述接收端实际接收的电能与理想条件下接收的电能之比; [0092] receiving acquisition sub-unit 714, configured to obtain the charging efficiency at each receiving terminal receives the transmitted electromagnetic signal, the charging efficiency over power condition of the receiving end and the characterization unit time actually received for the next the ratio of electrical energy;

[0093]所述确定单元612具体包括: [0093] The determination unit 612 comprises:

[0094] 查找子单元715,用于根据所述发射端的发射频率查表获取电容调节量; [0094] searching subunit 715 configured to transmit to the transmitting end according to a frequency look-up table capacitance adjustment amount acquired;

[0095] 调节子单元716,用于按照所述查找子单元715查找的所述电容调节量调节所述接收端中LC回路的电容值,以便所述接收端的接收频率与所述发射端的发射频率达到最佳匹配; [0095] regulator unit 716, the transmission frequency according to the reception frequency to find the sub-unit 715 to find the capacitance value of capacitance adjustment amount adjustment LC circuit in the receiving end, the receiving end to the transmitting end best match;

[0096] 确定子单元717,用于将所述获取子单元714获取的效率值最高的充电效率所对应的发射频率,确定为所述发射端的发射频率。 [0096] determining subunit 717, configured to transmit the frequency acquisition sub-unit 714 acquires the maximum efficiency value corresponding to the charging efficiency, determined as the transmission frequency of the transmission side.

[0097] 进一步的,所述提取子单元712具体用于: [0097] Further, the extraction sub-unit 712 is specifically configured to:

[0098] 通过射频传感器提取所述发射端发送所述电磁波信号的发射频率; [0098] By extracting the RF sensor transmits the transmission frequency of the electromagnetic wave signal transmitter;

[0099] 所述调节子单元716具体用于在所述发送子单元713每次发送电磁波信号时,按照预设电容调节量调节所述发射端中LC回路的电容值,以便根据预设的频率步长产生不同的发射频率。 [0099] The regulator unit 716 specifically configured to, when the sub transmission unit 713 transmits each electromagnetic wave signal according to a preset amount adjustment adjusting the capacitance value of capacitors in the LC circuit of the transmitting end, according to a predetermined frequency step size to generate different emission frequencies.

[0100] 进一步的,所述调节子单元716具体用于增大电容上下极板间距以便降低LC回路的电容值; [0100] Further, the regulator unit 716 is specifically configured to increase the capacitance of the gap height to reduce the capacitance of the LC circuit;

[0101] 所述调节子单元716还具体用于减小电容上下极板间距以便提高LC回路的电容值; [0101] The unit 716 further particular regulator for reducing the gap height in order to increase the capacitance value of the capacitance of the LC circuit;

[0102] 所述调节子单元716还具体用于增大电容上下极板电压以便提高LC回路的电容值; [0102] The regulator unit 716 further vertical capacitor plates specifically for increasing the voltage in order to increase the capacitance of the LC circuit;

[0103] 所述调节子单元716还具体用于减小电容上下极板电压以便降低LC回路的电容值。 [0103] The unit 716 further particular regulator for reducing the capacitor voltage so as to reduce the vertical plate of the capacitor of the LC circuit.

[0104] 本实施例提供的无线充电的装置,能够获取对端的耦合特征信息,该耦合特征信息用于表征本端与对端之间收发电磁波信号的耦合程度,根据耦合特征信息确定本端频率,以便本端频率与对端频率达到最佳匹配。 [0104] wireless charging device provided in the present embodiment, characteristic information can be acquired is coupled to the end of the coupling with characteristic information for characterizing the degree of coupling of electromagnetic signals between the transceiver terminal end of this, the present determination of the frequency characteristic information according to the coupling , so that this end of the frequency and the frequency of the best match. 与现有技术中接收端和发射端频率值固定不变相比,可以通过调节接收端接收频率和/或发射端发射频率的方式提高电磁波信号的耦合程度,由此提高充电效率,同时还能够减少电磁辐射对人体的伤害以及对器件老化的加速影响。 Compared with the prior art receiving end and transmitting end fixed frequency value, may transmit frequency of the received frequency and / or by adjusting the transmitting terminal receiving end ways to enhance the degree of coupling of electromagnetic signals, thereby improving the charging efficiency, while also reducing electromagnetic radiation damage on the human body and accelerate the aging effects on the device.

[0105] 进一步的,参考图3所示的方法,本实施例还提供一种无线充电的系统,用于实现图3所示的方法。 [0105] A further method illustrated with reference to FIG. 3, the present embodiment further provides a wireless charging system, for the method shown in FIG. 3 achieved. 如图8所示,所述系统包括发射端81和接收端82,所述接收端82包含如图6 或图7所示的无线充电的装置61,其中, As shown, the system 8 comprises a transmitter 81 and receiver 82, the receiver 82 includes a wireless charging device 61 shown in Figure 6, or 7 terminal, wherein,

[0106] 所述发射端81,用于向所述接收端82发送耦合特征信息,所述耦合特征信息用于表征所述发射端81与所述接收端82之间收发电磁波信号的耦合程度; [0106] The transmitter 81, for transmitting information to the receiving terminal 82 is coupled wherein the coupling characteristic information is used to characterize the extent of the end 81 is coupled to the receiving end transceiving electromagnetic signals between the transmitter 82;

[0107] 所述接收端82,用于获取所述发射端81发送的所述耦合特征信息,并根据所述耦合特征信息确定所述接收端82的接收频率,以便所述接收端82的接收频率与所述发射端81 的发射频率达到最佳匹配。 [0107] The receiving terminal 82, the coupling for transmitting feature information 81 to acquire the transmitting terminal, and terminal 82 determines the reception frequency of said received information in accordance with the coupling characteristics, so that the receiving end receives the 82 transmitting frequency of the transmitting frequency terminal 81 best match.

[0108] 本实施例提供的无线充电的系统,能够将接收端作为频率调节对象,由接收端获取发射端的耦合特征信息,该耦合特征信息用于表征接收端与发射端之间收发电磁波信号的耦合程度,接收端根据耦合特征信息确定自身的接收频率,以便接收端的接收频率与发射端的发射频率达到最佳匹配。 [0108] This wireless charging system according to an embodiment, the receiving end can be used as a frequency adjustment object, the feature information acquiring coupling transmitting end by the receiving end, the coupling characteristic information for transceiving electromagnetic signals between the receiving end and the transmitting end Characterization of the degree of coupling, the receiving end determines its reception frequency according to the coupling characteristic information for transmission frequency of the reception side and the reception frequency transmitter best match. 与现有技术中接收端和发射端频率值固定不变相比,可以通过调节接收端接收频率的方式提高电磁波信号的耦合程度,由此提高充电效率,同时还能够减少电磁辐射对人体的伤害以及对器件老化的加速影响。 The prior art receiving end and transmitting end fixed frequency values ​​compared, can be improved by adjusting the way the receiving end of the degree of coupling reception frequency electromagnetic wave signal, thereby improving the charging efficiency, and also possible to reduce the harm of electromagnetic radiation on the human body and accelerated aging effect on the device.

[0109] 进一步的,参考图5所示的方法,本实施例还提供一种无线充电的系统,用于实现图5所示的方法。 [0109] A further method illustrated with reference to FIG. 5, the present embodiment further provides a wireless charging system, a method for the implementation shown in FIG. 5. 如图9所示,所述系统包括发射端91和接收端92,所述发射端91包含如图6 或图7所示的无线充电的装置61,其中, As shown, the system 9 includes a transmitter 91 and receiver 92, wireless device 61 comprises a charging terminal 91 shown in Figure 6 or 7 of the emission, wherein

[0110]所述接收端92,用于向所述发射端91发送耦合特征信息,所述耦合特征信息用于表征所述接收端92与所述发射端91之间收发电磁波信号的耦合程度; [0110] The receiving end 92, wherein the coupling terminal 91 for transmitting information to said transmitting, wherein said coupling receiving information for characterizing the degree of coupling between the send and receive electromagnetic wave signal terminal 91 and the emitter end 92;

[0111] 所述发射端91,用于获取所述接收端92发送的所述耦合特征信息,并根据所述耦合特征信息确定所述发射端91的发射频率,以便所述发射端91的发射频率与所述接收端92 的接收频率达到最佳匹配。 [0111] The transmitting end 91, a coupling feature for obtaining information transmitted to the receiving end 92 and the information terminal 91 determines the transmission frequency of the transmitter according to the coupling characteristics, transmitter 91 to transmit the frequency of the frequency received by the receiving end 92 to best match.

[0112] 本实施例提供的无线充电的系统,能够将发射端作为频率调节对象,由发射端获取接收端的耦合特征信息,该耦合特征信息用于表征接收端与发射端之间收发电磁波信号的耦合程度,发射端根据耦合特征信息确定自身的发射频率,以便发射端的发射频率与接收端的接收频率达到最佳匹配。 [0112] This wireless charging system according to an embodiment, the transmitter can be used as a frequency adjustment object, acquires characteristic information receiving end is coupled from the transmitter, the electromagnetic coupling characteristic information for transceiving signals between the receiving end and the transmitting end Characterization of the degree of coupling, the transmitter determines its transmission frequency according to the coupling characteristic information, so that the reception frequency transmitting end and the receiving end of the transmission frequency to achieve the best match. 与现有技术中接收端和发射端频率值固定不变相比,可以通过调节发射端发射频率的方式提高电磁波信号的耦合程度,由此提高充电效率,同时还能够减少电磁辐射对人体的伤害以及对器件老化的加速影响。 The prior art receiving end and transmitting end fixed frequency value can be increased compared way transmission frequency by adjusting the degree of coupling electromagnetic signals transmitting end, thereby improving the charging efficiency, and also possible to reduce the harm of electromagnetic radiation on the human body and accelerated aging effect on the device.

[0113] 通过以上的实施方式的描述,所属领域的技术人员可以清楚地了解到本发明可借助软件加必需的通用硬件的方式来实现,当然也可以通过硬件,但很多情况下前者是更佳的实施方式。 [0113] By the above described embodiments, those skilled in the art may clearly understand that the present invention may be implemented by software plus necessary universal hardware implemented, also be implemented by hardware, but the former is preferred in many cases embodiments. 基于这样的理解,本发明的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来,该计算机软件产品存储在可读取的存储介质中,如计算机的软盘,硬盘或光盘等,包括若干指令用以使得一台计算机设备(可以是个人计算机, 服务器,或者网络设备等)执行本发明各个实施例所述的方法。 Based on such understanding, the technical solutions of the present invention in essence or the part contributing to the prior art may be embodied in a software product out, in the storage medium may be readable, such as a floppy disk of the computer software product is stored and the like, a hard disk or optical disk, and include several instructions that enable a computer device (may be a personal computer, a server, or network device) to execute the methods according to embodiments of the present invention.

[0114]以上所述,仅为本发明的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本发明的保护范围之内。 [0114] The above are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, any skilled in the art in the art within the technical scope of the present invention is disclosed, variations may readily occur or Alternatively, it shall fall within the protection scope of the present invention. 因此,本发明的保护范围应所述以权利要求的保护范围为准。 Accordingly, the scope of the present invention should be in the scope of the claims and their equivalents.

Claims (8)

1. 一种无线充电的方法,其特征在于,包括: 获取对端的耦合特征信息,所述耦合特征信息用于表征本端与对端之间收发电磁波信号的耦合程度; 根据所述耦合特征信息确定本端频率,以便本端频率与对端频率达到最佳匹配; 所述获取对端的耦合特征信息,具体包括:接收发射端发送的电磁波信号,提取所述发射端发送所述电磁波信号的发射频率; 所述根据所述耦合特征信息确定本端频率,具体包括:根据所述发射端的发射频率查表获取电容调节量,按照所述电容调节量调节所述接收端中LC回路的电容值,以便所述接收端的接收频率与所述发射端的发射频率达到最佳匹配; 或者, 所述获取对端的耦合特征信息,具体包括:在预设时长内以不同的发射频率向接收端多次发送电磁波信号,并获取接收端在每次接收到电磁波信号时所发送的充电效率,所 A wireless charging method, comprising: acquiring information on the end coupling feature, the degree of coupling with characteristic information is used to characterize the local transceiver is coupled between the electromagnetic wave signal; information according to the coupling characteristics this determination of the frequency, so that this end of the frequency and the best match of the frequency of; the feature information acquiring coupling end comprises: receiving an electromagnetic wave transmitted from transmitting signal terminal, the transmitting terminal extracts the transmission of the electromagnetic wave signal transmission frequency; determining the coupling according to the present feature of the frequency information comprises: obtaining capacitance adjustment look-up table according to an amount of transmission frequency of the transmitting end, according to the capacitance value of the capacitance adjustment amount adjustment circuit LC in the receiving end, so that the reception frequency of the receiving end and transmitting end of the transmission frequency to achieve the best match; or the information acquiring end coupling feature, comprises: transmitting a long wave to the receiving end at different times at a preset transmission frequency signal, and acquires the charging efficiency at each receiving terminal receives the transmitted electromagnetic signal, the 充电效率用于表征单位时间内所述接收端实际接收的电能与理想条件下接收的电能之比; 所述根据所述耦合特征信息确定本端频率,具体包括:将效率值最高的充电效率所对应的发射频率,确定为所述发射端的发射频率。 A ratio of the charging efficiency of the electric energy received under ideal conditions and power actually received by the unit time of the characterizing receiving terminal; determining the coupling according to the present feature of the frequency information comprises: a maximum value of the charging efficiency efficiency corresponding to the transmission frequency, transmission frequency is determined as the transmitting end.
2. 根据权利要求1所述的无线充电的方法,其特征在于,所述提取所述发射端发送所述电磁波信号的发射频率,具体包括: 通过射频传感器提取所述发射端发送所述电磁波信号的发射频率; 所述在预设时长内以不同发射频率向接收端多次发送电磁波信号,具体包括: 在每次发送电磁波信号时,按照预设电容调节量调节所述发射端中LC回路的电容值, 以便根据预设的频率步长产生不同的发射频率。 Sends electromagnetic signals emitted by the extracting radio frequency sensor according to: 2. The wireless charging method according to claim 1, wherein said transmitting side extracts the transmission frequency of the transmitted electromagnetic signals, including the specific transmission frequency; within the predetermined length transmission at different transmission frequency electromagnetic wave signals a plurality of times to the receiving end comprises: transmitting an electromagnetic wave signal at each according to a preset amount of adjustment of the adjusting capacitor of the LC circuit of the transmitting end capacitance value in order to produce different long transmission frequency according to a preset frequency steps.
3. 根据权利要求1或2所述的无线充电的方法,其特征在于,当所述电容调节量为电容上下极板间距时,所述调节LC回路的电容值,具体包括: 增大电容上下极板间距以便降低LC回路的电容值,或减小电容上下极板间距以便提高LC回路的电容值; 或者,当所述电容调节量为电压时,所述调节LC回路的电容值,具体包括: 增大电容上下极板电压以便提高LC回路的电容值,或减小电容上下极板电压以便降低LC回路的电容值。 The wireless charging method according to claim 1, wherein, when the amount of capacitance adjustment capacitor gap height, the adjustment of the capacitance value of the LC circuit comprises: increasing the capacitance of the vertical plate separation so as to reduce the capacitance value of the LC circuit, or a capacitive gap height is reduced in order to increase the capacitance of the LC circuit; or, when the amount of capacitance adjustment voltage, the adjustment of the capacitance value of the LC circuit, comprises : the vertical plate voltage of the capacitor is increased in order to increase the capacitance value of the LC circuit, or reduce the capacitance of the vertical plate so as to reduce the capacitance value of the voltage of the LC circuit.
4. 一种无线充电的装置,其特征在于,包括: 获取单元,用于获取对端的耦合特征信息,所述耦合特征信息用于表征本端与对端之间收发电磁波信号的耦合程度; 确定单元,用于根据所述获取单元获取的所述耦合特征信息确定本端频率,以便本端频率与对端频率达到最佳匹配; 所述获取单元具体包括: 接收子单元,用于接收发射端发送的电磁波信号; 提取子单元,用于从所述接收子单元接收的所述电磁波信号中提取所述发射端的发射频率; 所述确定单元具体包括: 查找子单元,用于根据所述发射端的发射频率查表获取电容调节量; 调节子单元,用于按照所述查找子单元查找的所述电容调节量调节所述接收端中LC回路的电容值,以便所述接收端的接收频率与所述发射端的发射频率达到最佳匹配; 或者, 所述获取单元具体包括: 发送子单元,用 A wireless charging device, characterized by comprising: an acquisition unit for acquiring information on the end coupling feature, the coupling characteristic information for characterizing the degree of the local electromagnetic signal transceiver coupled between the ends; determining means for determining from the acquired feature of the coupling means of the frequency information acquired by the present, so that this end of the frequency of the frequency for best match; the obtaining unit comprises: a receiving sub-unit, for receiving the transmitting end transmitting electromagnetic signals; extracting sub-unit, for the transmission frequency electromagnetic wave signal received from the receiving unit extracts the sub-transmitting end; the determining unit comprises: a searching subunit, according to the transmitting end transmit frequency lookup capacitance adjustment amount acquired; regulator means for adjusting an amount of the capacitor according to the searching subunit lookup adjusting the capacitance value of the LC circuit receiving end, so that the receiving frequency of the receiving terminal transmission frequency to best match the transmitting end; Alternatively, the obtaining unit comprises: a sending subunit, with 于在预设时长内以不同的发射频率向接收端多次发送电磁波信号; 获取子单元,用于获取接收端在每次接收到电磁波信号时所发送的充电效率,所述充电效率用于表征单位时间内所述接收端实际接收的电能与理想条件下接收的电能之比; 所述确定单元具体包括: 确定子单元,用于将所述获取子单元获取的效率值最高的充电效率所对应的发射频率,确定为所述发射端的发射频率。 Within a preset time length of the transmission at different transmission frequency electromagnetic wave signal a plurality of times to the receiving end; acquisition sub-unit, configured to obtain the charging efficiency at each receiving terminal receives the transmitted electromagnetic signal, the charging efficiency for characterizing the ratio of the power of the received power over the conditions and actually received by the receiving end unit time; the determining unit comprises: a determining subunit, configured to obtain the maximum efficiency rate obtained by the charging efficiency corresponding to subunit the transmission frequency is determined as the transmission frequency of the transmitter.
5. 根据权利要求4所述的无线充电的装置,其特征在于,所述提取子单元具体用于: 通过射频传感器提取所述发射端发送所述电磁波信号的发射频率; 所述调节子单元具体用于: 在所述发送子单元每次发送电磁波信号时,按照预设电容调节量调节所述发射端中LC 回路的电容值,以便根据预设的频率步长产生不同的发射频率。 The wireless charging apparatus according to claim 4, wherein the extraction sub-unit is configured to: transmit frequency by the transmit RF sensor extracting the electromagnetic wave signal to the transmitting end; adjusting the specific subunit for: when the transmitting sub-unit transmits each electromagnetic wave signal according to a preset amount adjustment adjusting the capacitance value of capacitors in the LC circuit of the transmitting end, in order to produce different long transmission frequency according to a preset frequency steps.
6. 根据权利要求4或5所述的无线充电的装置,其特征在于: 所述调节子单元具体用于增大电容上下极板间距以便降低LC回路的电容值; 所述调节子单元还具体用于减小电容上下极板间距以便提高LC回路的电容值; 所述调节子单元还具体用于增大电容上下极板电压以便提高LC回路的电容值; 所述调节子单元还具体用于减小电容上下极板电压以便降低LC回路的电容值。 The wireless charging apparatus of claim 4 or claim 5, wherein: the regulator unit is configured to increase the capacitance of the gap height to reduce the capacitance of the LC circuit; said regulator means further specific for reducing the gap height in order to increase the capacitance value of the capacitance of the LC circuit; said adjustment unit is further configured to increase the capacitance of the vertical plates so as to increase the capacitance value of the voltage of the LC circuit; said adjustment unit is further configured to capacitor plate voltage reduced down to reduce the capacitance of the LC circuit.
7. -种无线充电的系统,其特征在于,所述系统包括发射端和接收端,所述发射端包含如权利要求4至权利要求6中任一项所述的无线充电的装置,其中, 所述接收端,用于向所述发射端发送耦合特征信息,所述耦合特征信息用于表征所述接收端与所述发射端之间收发电磁波信号的耦合程度; 所述发射端,用于获取所述接收端发送的所述耦合特征信息,并根据所述耦合特征信息确定所述发射端的发射频率,以便所述发射端的发射频率与所述接收端的接收频率达到最佳匹配。 7. - kind of the wireless charging system, wherein said system comprises a transmitting end and a receiving end, the transmitting end to Claim 4 comprising as claimed in claim wireless charging device as claimed in any one of claim 6, wherein, the receiving terminal, for transmitting to the transmitting end coupled to the feature information, the degree of coupling between the coupling transceiving electromagnetic signals characterizing feature information for the receiving end to the transmitting end; the transmitting end, for acquiring the transmission frequency coupling feature information transmitted to the receiving end, and coupling characteristics determined information according to the transmission frequency of the transmitting end, so that the transmitting end to the receiving end with the reception frequency to achieve the best match.
8. -种无线充电的系统,其特征在于,所述系统包括发射端和接收端,所述接收端包含如权利要求4至权利要求6中任一项所述的无线充电的装置,其中, 所述发射端,用于向所述接收端发送耦合特征信息,所述耦合特征信息用于表征所述发射端与所述接收端之间收发电磁波信号的耦合程度; 所述接收端,用于获取所述发射端发送的所述耦合特征信息,并根据所述耦合特征信息确定所述接收端的接收频率,以便所述接收端的接收频率与所述发射端的发射频率达到最佳匹配。 8. - kind of the wireless charging system, wherein said system comprises a transmitting end and a receiving end, the receiving end as claimed in claim 4 and comprising in claim wireless charging device as claimed in any one of claim 6, wherein, the transmitting end, wherein the coupling for transmitting information to the receiving end, the feature information for characterizing the degree of coupling end is coupled with the receiving transceiving electromagnetic signals between said transmitting terminal; the receiving end, for acquiring the reception frequency coupling feature information sent by the transmitting and receiving frequency of the receiving terminal is determined based on the characteristic information is coupled to the receiving end and the transmitting end of the transmission frequency to achieve the best match.
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