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公开(公告)号：KR101440591B1
公开(公告)日：2014-09-17
申请号：KR1020080113986
申请日：2008-11-17
Applicant: 삼성전자주식회사
Abstract: 무선으로 전력을 전송하는 장치가 개시된다. 본 발명의 일양상에 따른 무선 전력전송장치는 메타물질(metamaterial)의 특성을 갖는 높은 큐의 영차 근접 자기장 공진기(high Q near magnetic field resonator)를 포함한다. 이에 의해 이동통신 단말이나 멀티미디어 단말기 등에 무선으로 전력을 공급할 수 있는 소형 전력공급장치를 만들 수 있다. 그리고, 이때 사용되는 공진기는 DNG(Double negative) 또는 ENG(Epsilon negative) 구조를 이용한 영차(zeroth-order) 공진기이기 때문에, 작고 구조가 간단하게 구현할 수 있다.
공진기, 전력전송, 메타물질-
公开(公告)号：KR1020130107955A
公开(公告)日：2013-10-02
申请号：KR1020120030164
申请日：2012-03-23
Applicant: 삼성전자주식회사
IPC: H02J17/00
Abstract: PURPOSE: A wireless power transmitting system capable of improving coupling efficiency by controlling a resonant frequency and a wireless power transmitting method are provided to improve the coupling efficiency by controlling each resonant frequency of a source device, a relay device, and a target device. CONSTITUTION: A source device (210) transmits each controlled resonant frequency information to the corresponding devices. A relay device (220) relays wireless power with a resonant frequency which is controlled by the source device. A target device (230) receives electric energy information and transmits the received electric energy information to the source device. The source device includes a source resonator (216) which transmits the wireless power by a coupling process, a communication unit (218), and a control unit (217). The control unit controls the transmission of the wireless power with the resonant frequency which is controlled by the source device. [Reference numerals] (214) Power conversion unit; (217,223,237) Control unit; (218,224,238) Communication unit; (233) Rectification unit
Abstract translation: 目的：提供一种能够通过控制谐振频率和无线功率传输方法来提高耦合效率的无线电力传输系统，以通过控制源设备，中继设备和目标设备的每个谐振频率来提高耦合效率。 构成：源设备（210）将每个受控谐振频率信息发送到相应的设备。 中继设备（220）以由源设备控制的谐振频率来中继无线电力。 目标设备（230）接收电能信息并将接收的电能信息发送到源设备。 源装置包括通过耦合过程发送无线电力的源极谐振器（216），通信单元（218）和控制单元（217）。 控制单元以由源设备控制的谐振频率来控制无线电力的传输。 （附图标记）（214）电力转换单元; （217,223,237）控制单元; （218,224,238）通信单元; （233）整流单元
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公开(公告)号：KR1020120134030A
公开(公告)日：2012-12-11
申请号：KR1020120055766
申请日：2012-05-25
Applicant: 삼성전자주식회사
CPC classification number: H02J50/12 , H01Q7/005 , H02J7/025 , H02J50/80 , H04B10/6911 , H04L5/0055
Abstract: PURPOSE: A system for transmitting and charging wireless power and a power controlling method thereof are provided to improve power transmission efficiency by controlling power supplied to a target device. CONSTITUTION: A control ID including a source device(110) is allocated in a target device(120). A reference power quantity is determined in the target device in which the control ID is allocated. The reference power quantity is supplied to a power amplifying unit in consideration of the battery state of the target device. Charging power is generated using the power amplifying unit. The charging power is transmitted to the target device through magnetic coupling. [Reference numerals] (111) AC/DC converter; (113) Power detector; (114) Power converting unit; (115,126) Control and communication unit; (122) Rectifying unit; (123) DC/DC; (125) Charging unit
Abstract translation: 目的：提供一种用于无线电力发送和收费的系统及其功率控制方法，以通过控制提供给目标设备的电力来提高功率传输效率。 构成：在目标设备（120）中分配包括源设备（110）的控制ID。 在其中分配有控制ID的目标设备中确定参考功率量。 考虑到目标设备的电池状态，将参考功率量提供给功率放大单元。 使用功率放大单元产生充电功率。 充电功率通过磁耦合传输到目标设备。 （111）AC / DC转换器; （113）功率检测器; （114）电力转换单元; （115,126）控制和通信单元; （122）整流单元; （123）DC / DC; （125）充电单元
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公开(公告)号：KR1020120134028A
公开(公告)日：2012-12-11
申请号：KR1020120055762
申请日：2012-05-25
Applicant: 삼성전자주식회사
CPC classification number: H04B5/0037 , H02J50/12 , H04B5/0081
Abstract: PURPOSE: A communication device and a method thereof are provided to stably restore a modulated message of a target device by using a driving voltage of a power amplifier. CONSTITUTION: A driving voltage detecting unit(240) detects a supplied power of a power amplifier changed according to an impedance of a target device. A demodulating unit(260) demodulates a message of the target device based on the amount of the detected source power. A controlling unit(270) senses the variation of the impedance. The controlling unit controls the source power based on the sensing. The driving voltage detecting unit detects the voltage of a resistance, a resistance of a transistor, and a line impedance. [Reference numerals] (220) PA; (240) Driving voltage detecting unit; (250) AC/DC; (260) Demodulating unit; (261) Amplifying unit; (263) Ripple removing unit; (265) Comparing unit; (270) Controlling unit
Abstract translation: 目的：提供通信装置及其方法，通过使用功率放大器的驱动电压来稳定地恢复目标装置的调制消息。 构成：驱动电压检测单元（240）检测根据目标装置的阻抗而改变的功率放大器的供电功率。 解调单元（260）基于检测到的源功率的量来解调目标设备的消息。 控制单元（270）感测阻抗的变化。 控制单元基于感测来控制源功率。 驱动电压检测单元检测电阻的电压，晶体管的电阻和线路阻抗。 （220）PA; （240）驱动电压检测单元; （250）AC / DC; （260）解调单元; （261）放大单元; （263）波纹去除单元; （265）比较单位; （270）控制单元
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公开(公告)号：KR1020120131915A
公开(公告)日：2012-12-05
申请号：KR1020110050410
申请日：2011-05-27
Applicant: 삼성전자주식회사
CPC classification number: H04L25/0384
Abstract: PURPOSE: An apparatus and method for high efficiency variable power transmission is provided to transmit power with high transmit efficiency by controlling the transmitting time of power maintaining the maximum high frequency signal inputted to the power amplifier. CONSTITUTION: The pulse generating part(810) produces pulse signal having pulse length of the duration corresponding to the transmitted energy. The pulse stream generating part(820) transfers pulse stream composed of the pulse corresponding to the transmitted data formed by pulse signal duration. The high frequency modulation section(830) outputs the variable electric power by modulating the high frequency signal of fixed amplitude in the time axis according to the pulse stream through the repeated on and off. The pulse signal production part transforms pulse signal into the pulse stream by using table. [Reference numerals] (810) Pulse generating part; (820) Pulse stream generating part; (830) High frequency modulation part
Abstract translation: 目的：提供一种用于高效率可变功率传输的装置和方法，通过控制输入功率放大器的最大高频信号的功率传输时间来传输具有高发射效率的功率。 构成：脉冲发生部（810）产生脉冲信号，该脉冲信号的脉冲长度与发送的能量对应。 脉冲流产生部分（820）传送由与由脉冲信号持续时间形成的发送数据相对应的脉冲组成的脉冲流。 高频调制部（830）通过重复的接通和关断根据脉冲流调制在时间轴上固定幅度的高频信号的可变电力。 脉冲信号产生部分通过使用表将脉冲信号转换成脉冲流。 （标号）（810）脉冲发生部; （820）脉冲流生成部; （830）高频调制部分
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Patent Agency Ranking16.发明公开히스테리시스를 사용하여 과전압, 과전류 및 과온도로부터 무선-커플된 전력 장치들을 보호하는 장치 및 방법 审中-实审使用HYSTERESIS从过电压，过流和过温保护无线耦合功率器件的装置和方法
公开(公告)号：KR1020120128527A
公开(公告)日：2012-11-27
申请号：KR1020110049244
申请日：2011-05-24
Applicant: 삼성전자주식회사
CPC classification number: H02J50/12 , H02H3/08 , H02H3/20 , H02H5/042 , H02J5/005 , H02J7/025 , H02J17/00 , H02J50/70 , H02J50/80 , H02J50/90
Abstract: PURPOSE: An apparatus and method for protecting wireless-coupled power devices against an overvoltage, an overcurrent, and an excessive temperature are provided to protect a power device against an excessive temperature by using a thermistor whose resistance is changed according to a temperature. CONSTITUTION: A first resistive divider(1110) divides an input voltage and outputs a first divided voltage. A rectifier(1120) rectifies the first divided voltage and outputs the rectified voltage. A second resistive divider(1130) divides the rectified voltage and outputs the second divided voltage. A comparator(1150) receives the second divided voltage through a positive terminal and receives DC through a negative terminal. If a difference between the voltage from the positive terminal and the voltage from the negative terminal is an on-level or more, the comparator converts the control signal into a first control signal.. If the difference between the voltage from the positive terminal and the voltage from the negative terminal is an off-level or less, the comparator converts the control signal into a second control signal. [Reference numerals] (AA) Overvoltage protection unit; (BB) Hysteresis comparator; (CC) Input matching network; (DD) Overcurrent protection; (EE) RF input; (FF) Output
Abstract translation: 目的：提供一种用于保护无线耦合功率器件免受过电压，过电流和过温的装置和方法，以通过使用根据温度改变电阻的热敏电阻来保护功率器件免受过温度的影响。 构成：第一电阻分压器（1110）分压输入电压并输出第一分压。 整流器（1120）对第一分压进行整流，并输出整流电压。 第二电阻分压器（1130）分压整流电压并输出第二分压。 比较器（1150）通过正极端子接收第二分压，并通过负极端子接收DC。 如果来自正极端子的电压与来自负极端子的电压之间的差异为导通电平以上，则比较器将控制信号转换为第一控制信号。如果来自正极端子的电压与 来自负极端子的电压为电平以下，比较器将控制信号转换为第二控制信号。 （附图标记）（AA）过电压保护单元; （BB）迟滞比较器; （CC）输入匹配网络; （DD）过流保护; （EE）RF输入; （FF）输出
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公开(公告)号：KR1020120127231A
公开(公告)日：2012-11-21
申请号：KR1020120047202
申请日：2012-05-04
Applicant: 삼성전자주식회사
IPC: H02J17/00
CPC classification number: H02J50/12 , H02J5/005 , H02J7/025 , H02J50/40 , H02J50/70 , H02J50/80 , H02J50/90
Abstract: PURPOSE: An apparatus and method for transmitting wireless power are provided to control a magnetic field which is generated in a resonator by controlling the rate of a resonant frequency of a sub resonator over a resonant frequency of a source resonator through a magnetic field distribution control unit. CONSTITUTION: A source resonator(510) wirelessly transmits power to a target device through magnetic coupling with a target resonator. One or more sub resonators(520) are located inside the source resonator. A magnetic field distribution control unit(530) controls the distribution of a magnetic field which is generated in the source resonator based on the rate of the resonant frequency of one or more sub resonators over a resonant frequency of the source resonator. The source resonator comprises a first transmission line, a first conductor, a second conductor, and one or more first capacitors.
Abstract translation: 目的：提供一种用于发送无线电力的装置和方法，以通过通过磁场分配控制单元控制子谐振器在谐振频率的谐振频率上的谐振频率的速率来控制在谐振器中产生的磁场 。 构成：源谐振器（510）通过与目标谐振器的磁耦合无线地将功率发送到目标装置。 一个或多个子谐振器（520）位于源谐振器内部。 磁场分布控制单元（530）基于在源极谐振器的谐振频率上的一个或多个子谐振器的谐振频率的速率来控制在源极谐振器中产生的磁场的分布。 源谐振器包括第一传输线，第一导体，第二导体和一个或多个第一电容器。
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公开(公告)号：KR1020120093748A
公开(公告)日：2012-08-23
申请号：KR1020110091685
申请日：2011-09-09
Applicant: 삼성전자주식회사 , 성균관대학교산학협력단
IPC: H02J17/00
Abstract: PURPOSE: An apparatus and a method for high efficiency variable power transmission are provided to implement a power supply unit with a simple structure by omitting a DC-DC converter. CONSTITUTION: A variable power generating unit(110) generates variable power by modulating a high frequency signal. The variable power generating unit includes a high frequency signal generator(111), a modulated signal generating unit(113) and a switch controller(115). A power amplifier(120) amplifies the variable power corresponding to the required power level of a target device. A power supply unit(130) converts an AC current from a power source(21) into a DC current.
Abstract translation: 目的：提供一种用于高效率可变功率传输的装置和方法，通过省略DC-DC转换器来实现具有简单结构的电源单元。 构成：可变功率发生单元（110）通过调制高频信号来产生可变功率。 可变功率发生单元包括高频信号发生器（111），调制信号产生单元（113）和开关控制器（115）。 功率放大器（120）放大对应于目标装置的所需功率电平的可变功率。 电源单元（130）将来自电源（21）的AC电流转换成DC电流。
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19.发明公开
公开(公告)号：KR1020120069349A
公开(公告)日：2012-06-28
申请号：KR1020100130861
申请日：2010-12-20
Applicant: 삼성전자주식회사 , 한양대학교 산학협력단
CPC classification number: H02J50/12 , H02J5/005 , H02M3/1588 , Y02B70/1466
Abstract: PURPOSE: A DC-DC voltage converter which reduces switching loss and a wireless power receiving device including the same are provided to detect a current amount of the DC-DC voltage converter without sensing the current amount. CONSTITUTION: A current detector(250) comprises a charge pump(310), a capacitor(320), a comparator(330), and a frequency change controller(340). The charge pump outputs charges during a turn-on time period of a turn-on switch. The capacitor stores the outputted charges from the charge pump during the turn-on time period. The comparator transmits a comparison result to the frequency change controller by comparing current amount measurement voltage outputted from the capacitor and reference voltage for current amount measurement.
Abstract translation: 目的：提供降低开关损耗的DC-DC电压转换器和包括该DC-DC电压转换器的无线电力接收装置，用于在不感测电流量的情况下检测DC-DC电压转换器的电流量。 构成：电流检测器（250）包括电荷泵（310），电容器（320），比较器（330）和变频控制器（340）。 电荷泵在开启开关的导通时间段期间输出电荷。 电容器在开启时间期间存储来自电荷泵的输出电荷。 比较器通过比较从电容器输出的电流量测量电压和电流量测量的参考电压，将比较结果发送到频率变化控制器。
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公开(公告)号：KR1020120069326A
公开(公告)日：2012-06-28
申请号：KR1020100130832
申请日：2010-12-20
Applicant: 삼성전자주식회사
Abstract: PURPOSE: A high efficiency rectifier and a wireless power receiving device including the same are provided to distribute a current to two diodes by connecting the two diodes in parallel. CONSTITUTION: A full bridge diode rectifier comprised of dual diodes includes a first path and a second path. The first path is provided in order to store inputted voltage in a capacitor(550) through a first dual diode(510) and a fourth dual diode(540). The second path is provided in order to store the inputted voltage in the capacitor through a second dual diode(520) and a third dual diode(530). The first to fourth dual diodes are respectively comprised of two diodes connected in parallel.
Abstract translation: 目的：提供一种高效率整流器和包括该高效率整流器的无线电力接收装置，以通过并联连接两个二极管来将电流分配给两个二极管。 构成：由双二极管组成的全桥二极管整流器包括第一路径和第二路径。 提供第一路径以便通过第一双二极管（510）和第四双二极管（540）将输入的电压存储在电容器（550）中。 提供第二路径以便通过第二双二极管（520）和第三双二极管（530）将输入的电压存储在电容器中。 第一至第四双极二极管分别由并联连接的两个二极管组成。
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