KR20160082890A - Impedence compensation apparatus for wireless charging apparatus - Google Patents

Impedence compensation apparatus for wireless charging apparatus Download PDF

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Publication number
KR20160082890A
KR20160082890A KR1020140192690A KR20140192690A KR20160082890A KR 20160082890 A KR20160082890 A KR 20160082890A KR 1020140192690 A KR1020140192690 A KR 1020140192690A KR 20140192690 A KR20140192690 A KR 20140192690A KR 20160082890 A KR20160082890 A KR 20160082890A
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wireless charging
unit
capacitance value
charging power
capacitance
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KR1020140192690A
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Korean (ko)
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KR101653659B1 (en
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진대원
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주식회사 이랜텍
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    • 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
    • H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2605—Measuring capacitance
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices

Abstract

An impedance compensation apparatus for a wireless charging apparatus according to an embodiment of the present invention comprises: a wireless charging power transmission unit to transmit wireless charging power; a wireless charging power reception unit to receive the wireless power transmitted from the wireless power charging transmission unit; a capacitance value measurement unit to measure capacitance values of the wireless charging power transmission unit and the wireless charging power reception unit; a capacitance value storage unit to store a reference capacitance value; a control unit to receive the capacitance values measured from the capacitance measurement unit, to compare the measured capacitance values with the reference capacitance value stored in the capacitance value storage unit and to generate a control signal; and a capacitance value adjustment unit to receive an adjustment value from the control unit and control capacitance values of the wireless charging power transmission unit and the wireless charging power reception unit. According to the present invention, the charging efficiency of the wireless charging apparatus can be improved and the failure rate of the wireless charging apparatus can be reduced. Also, the lifetime of the wireless charging apparatus can be increased by preventing deviation of the capacitance values of the wireless charging apparatus from the reference value.

Description

무선충전장치의 임피던스 보정장치{IMPEDENCE COMPENSATION APPARATUS FOR WIRELESS CHARGING APPARATUS}[0001] IMPEDENCE COMPENSATION APPARATUS FOR WIRELESS CHARGING APPARATUS [0002]

본 발명은 무선충전장치의 임피던스 보정장치에 관한 것으로서, 보다 상세하게는 무선충전 장치 내부의 커패시턴스값을 측정하여, 기준이 되는 커패시턴스값과 비교하고 그 차이를 보정하도록 구성되는 무선충전 장치의 임피던스 보정장치에 관한 발명이다.The present invention relates to an impedance correcting apparatus for a wireless charging apparatus, and more particularly, to an impedance correcting apparatus for a wireless charging apparatus which is configured to measure a capacitance value inside a wireless charging apparatus and compare the capacitance value with a reference capacitance value, Device.

일반적으로, 휴대용 통신단말기의 전원으로 사용되는 이너형 배터리 팩은 배터리 셀(cell)과 보호회로모듈(PCM;Protection Circuit Module)을 포함하는 피시비 기판이 결합되는 구조로 구성된다.In general, an inner battery pack used as a power source of a portable communication terminal has a structure in which a PCB and a PCB including a battery cell and a protection circuit module (PCM) are coupled.

상기 배터리 팩은 배터리 셀과 보호회로모듈을 포함하는 피시비 기판이 상호 결합되어 하나의 유닛 형태로 포장된 구조이며, 이러한 배터리 팩은 최근 이를 사용하는 휴대용 통신단말기의 소형화 및 경량화 추세에 따라 소형화, 박형화, 경량화가 요구되고 있다.The battery pack has a structure in which the PCB and the PCB including the battery cell and the protection circuit module are coupled to each other and packaged in a unit form. Such a battery pack has recently been miniaturized and lightened, , And weight reduction.

한편, 최근 정보통신기술의 발달로 인해 음성통화뿐만이 아니라 인터넷, 화상통화 및 다양한 문서작업들이 가능한 휴대용 단말기의 사용이 증가하고 있으며, 기술의 발달에 따라 새로운 성능의 다양한 휴대용 단말기가 개발 보급되고 있다.Meanwhile, recent developments in information communication technology have led to an increase in the use of portable terminals capable of not only voice calls but also internet, video calls, and various document operations. Various portable terminals with new performance have been developed and developed according to the development of technology.

일반적으로, 가장 많이 이용되는 휴대용 단말기의 충전 방식은, 충전기에 휴대용 단말기를 거치하여 단자가 접촉되도록 하여 충전하거나, 충전기의 커넥터와 휴대용 단말기의 커넥터부를 직접 연결하여 충전하는 방식이 이용된다.2. Description of the Related Art [0002] Generally, a charging method of a portable terminal is most commonly used by charging the charger with the portable terminal being in contact with the terminal, or by charging the connector of the charger with the connector of the portable terminal.

근래에는, 충전기에 휴대용 단말기를 거치하거나 충전기의 커넥터와 휴대용 단말기의 커넥터를 직접 연결하지 않고, 휴대용 단말기를 충전기에 올려놓거나 충전기의 부근에 배치시키는 방식으로 충전이 이루어지는 무선충전기술이 개발되었다.Recently, a wireless charging technique has been developed in which charging is performed by placing a portable terminal on a charger or placing the portable terminal near a charger without directly connecting the connector of the charger and the connector of the portable terminal.

상기 무선충전기술은 크게 자기공명방식과 전자기유도방식이 있는데, 자기공명방식은 무선충전을 위한 전력의 송수신단 간에 주파수를 통해 전력을 보내는 방식이다.The wireless charging technique is largely classified into a magnetic resonance method and an electromagnetic induction method. In the magnetic resonance method, power is transmitted through a frequency between transmitting and receiving ends of power for wireless charging.

이에 비해, 전자기유도방식은 인접하게 배치된 두개의 코일 간에 유도전류를 발생시켜 충전하는 방식으로서, 두 코일의 권선 수와 코일간의 거리에 따라 유도전류가 발생되는 원리를 이용한다.On the other hand, in the electromagnetic induction method, induction current is generated between two coils disposed adjacent to each other and charged, and the principle of induction current is generated according to the number of windings of the two coils and the distance between the coils.

본 발명의 목적은, 무선충전 장치 내부의 커패시턴스값을 측정하여, 기준이 되는 커패시턴스값과 비교하여 이러한 차이를 보정하도록 구성되는 무선충전 장치의 임피던스 보정장치를 제공하는 것이다.It is an object of the present invention to provide an impedance correction device of a wireless charging device which is configured to measure a capacitance value inside a wireless charging device and to compare the capacitance value with a reference capacitance value to correct this difference.

상기 목적을 달성하기 위한 본 발명에 따른 무선충전장치의 임피던스 보정장치는 무선충전 전력의 송신을 위한 무선충전전력송신부와, 상기 무선충전전력송신부로부터 전송되는 무선 전력을 전송받기 위한 무선충전전력수신부와, 상기 무선충전전력송신부와 무선충전전력 수신부의 커패시턴스값을 측정하기 위한 커패시턴스값측정부와, 기준커패시턴스값을 저장하기 위한 커패시턴스값저장부와, 상기 커패시턴스값측정부로부터 측정된 커패시턴스값을 전달받아 상기 커패시턴스값저장부에 저장된 기준 커패시턴스값과 비교하여 제어신호를 생성하기 위한 제어부와, 상기 제어부로부터 조절값을 전달받아 상기 무선충전전력송신부와 무선충전전력수신부의 커패시턴스값을 조절하는 커패시턴스값조절부를 포함한다.According to an aspect of the present invention, there is provided an apparatus for correcting impedance of a wireless charging device, including: a wireless charging power transmitter for transmitting wireless charging power; a wireless charging power receiver for receiving wireless power transmitted from the wireless charging power transmitter; A capacitance value measurement unit for measuring a capacitance value of the wireless charging power transmission unit and a wireless charging power reception unit, a capacitance value storage unit for storing a reference capacitance value, and a capacitance value measurement unit receiving the capacitance value measured from the capacitance value measurement unit A capacitance value control unit for receiving a control value from the control unit and adjusting a capacitance value of the wireless charging power transmission unit and the wireless charging power reception unit, .

바람직하게는, 상기 무선충전전력송신부와 무선충전전력수신부는 공진부를 포함하며, 상기 공진부는 커패시터 또는 인덕터의 조합으로 구성되되, 상기 공진부에는 상기 공진부의 직렬 연결 커패시터들의 커패시턴스값을 조절하기 위한 직렬커패시터트리머부가 연결된다.Preferably, the wireless charging power transmission unit and the wireless charging power reception unit include a resonance unit, and the resonance unit is configured by a combination of a capacitor or an inductor, and the resonance unit includes a series connection capacitor for adjusting a capacitance value of the series connection capacitors of the resonance unit A capacitor trimmer is connected.

또는, 상기 공진부에는 상기 공진부의 병렬 연결 커패시터들의 커패시턴스값을 조절하기 위한 병렬커패시터트리머부가 연결될 수 있다.Alternatively, the resonance unit may be connected to a parallel capacitor trimming unit for adjusting a capacitance value of the parallel connection capacitors of the resonance unit.

여기서, 상기 커패시턴스값조절부는 상기 무선충전전력송신부와 무선충전전력수신부의 저항값을 조절하도록 구성될 수 있다.Here, the capacitance value controller may be configured to adjust a resistance value of the wireless charging power transmitter and the wireless charging power receiver.

본 발명에 의해, 무선충전장치의 충전 효율을 상승시킬 수 있으며, 제품의 불량율을 감소시킬 수 있다.According to the present invention, the charging efficiency of the wireless charging device can be increased, and the defective rate of the product can be reduced.

또한, 제품 내의 커패시턴스 값이 기준 값으로부터 벗어나는 것을 방지함으로써, 무선 충전 시 발생되는 열의 양을 감소시키며 제품의 사용 수명을 증가시킬 수 있다.Also, by preventing the capacitance value in the product from deviating from the reference value, it is possible to reduce the amount of heat generated in the wireless charging and increase the service life of the product.

첨부의 하기 도면들은, 발명의 상세한 설명과 함께 본 발명의 기술적 사상을 이해시키기 위한 것이므로, 본 발명은 하기 도면에 도시된 사항에 한정 해석되어서는 아니 된다.
도 1 은 무선충전전력송신부와 무선충전전력수신부의 구성 개념도이며,
도 2 는 커패시턴스값조절장치의 구성 블럭도이다.BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.
1 is a conceptual diagram of a configuration of a wireless charging power transmitter and a wireless charging power receiver,
2 is a block diagram of the configuration of the capacitance value adjusting device.

이하, 첨부된 도면을 참조하여 본 발명의 구성을 상세히 설명하기로 한다. Hereinafter, the configuration of the present invention will be described in detail with reference to the accompanying drawings.

이에 앞서, 본 명세서 및 청구범위에 사용된 용어는 사전적인 의미로 한정 해석되어서는 아니되며, 발명자는 자신의 발명을 최선의 방법으로 설명하기 위해 용어의 개념을 적절히 정의할 수 있다는 원칙에 입각하여, 본 발명의 기술적 사상에 부합되는 의미와 개념으로 해석되어야 한다.Prior to this, the terms used in the specification and claims should not be construed in a dictionary sense, and the inventor may, on the principle that the concept of a term can be properly defined in order to explain its invention in the best way And should be construed in light of the meanings and concepts consistent with the technical idea of the present invention.

따라서, 본 명세서에 기재된 실시예 및 도면에 도시된 구성은 본 발명의 바람직한 실시예에 불과할 뿐이고, 본 발명의 기술적 사상을 모두 표현하는 것은 아니므로, 본 출원 시점에 있어 이들을 대체할 수 있는 다양한 균등물과 변형예들이 존재할 수 있음을 이해하여야 한다.Therefore, the embodiments shown in the present specification and the drawings are only exemplary embodiments of the present invention, and not all of the technical ideas of the present invention are presented. Therefore, various equivalents It should be understood that water and variations may exist.

도 1 은 무선충전전력송신부와 무선충전전력수신부의 구성 개념도이며, 도 2 는 커패시턴스값조절장치의 구성 블럭도이다.FIG. 1 is a conceptual block diagram of a wireless charging power transmitter and a wireless charging power receiver, and FIG. 2 is a block diagram of a configuration of a capacitance value adjusting device.

도 1 및 2 를 참조하면, 본 발명에 따른 무선충전장치의 임피던스 보정장치는 무선충전 전력의 송신을 위한 무선충전전력송신부(10)와, 상기 무선충전전력송신부(10)로부터 전송되는 무선 전력을 전송받기 위한 무선충전전력수신부(20)와, 상기 무선충전전력송신부(10)와 무선충전전력수신부(20)의 커패시턴스값을 측정하기 위한 커패시턴스값측정부(110)와, 기준커패시턴스값을 저장하기 위한 커패시턴스값저장부(120)와, 상기 커패시턴스값측정부(110)로부터 측정된 커패시턴스값을 전달받아 상기 커패시턴스값저장부(120)에 저장된 기준 커패시턴스값과 비교하여 제어신호를 생성하기 위한 제어부(130)와, 상기 제어부(130)로부터 조절값을 전달받아 상기 무선충전전력송신부(10)와 무선충전전력수신부(20)의 커패시턴스값을 조절하는 커패시턴스값조절부(140)를 포함한다.1 and 2, an apparatus for correcting impedance of a wireless charging device according to the present invention includes a wireless charging power transmitter 10 for transmitting wireless charging power, a wireless charging power transmitter 10 for transmitting wireless power transmitted from the wireless charging power transmitter 10 A capacitance value measuring unit 110 for measuring a capacitance value of the wireless charging power transmitting unit 10 and the wireless charging power receiving unit 20 and a memory for storing a reference capacitance value, And a control unit for receiving the measured capacitance value from the capacitance value measuring unit 110 and comparing the measured capacitance value with the reference capacitance value stored in the capacitance value storage unit 120 to generate a control signal, A capacitance value controller 140 receiving the adjustment value from the controller 130 and adjusting a capacitance value of the wireless charging power transmitter 10 and the wireless charging power receiver 20, It includes.

상기 무선충전전력송신부(10)는 외부의 상용 전원으로부터 전력을 공급받아 충전 전력을 생성하여 상기 무선충전전력수신부(20)로 전송하기 위한 구성이다. The wireless charging power transmitter 10 is configured to receive power from an external commercial power supply to generate charging power and transmit the generated charging power to the wireless charging power receiving unit 20.

상기 무선충전전력송신부(10)는 전자기파로 변환된 무선충전전력을 송신하기 위한 송신안테나부(1)와 외부의 상용 전력을 무선충전에 요구되는 공진 주파수의 전자기파로 변환하기 위한 송신공진부(4)를 포함하여 구성된다.The wireless charging power transmission unit 10 includes a transmission antenna unit 1 for transmitting wireless charging power converted into an electromagnetic wave and a transmission resonance unit 4 for converting external commercial power into electromagnetic waves having a resonance frequency required for wireless charging ).

그리하여, 상기 공진부(4)에 의해 상용 전력이 소정의 공진 주파수 전자기파로 변환되어, 단자부(2)를 통해 송신안테나부(1)로 전달된다.Thus, the commercial power is converted into a predetermined resonance frequency electromagnetic wave by the resonance section 4, and is transmitted to the transmission antenna section 1 through the terminal section 2.

상기 송신안테나부(1)로 전달된 전자기파의 무선충전 전력은 무선충전전력수신부(20)의 수신안테나부(11)로 전달된다.The wireless charging power of the electromagnetic wave transmitted to the transmission antenna unit 1 is transmitted to the reception antenna unit 11 of the wireless charging power receiving unit 20.

상기 수신안테나부(11)로 전송된 전자기파는 단자부(12)를 통해 수신공진부(14)로 전달되며, 상기 수신공진부(14)에서 교류 상태의 소정 전력으로 변환된다.The electromagnetic wave transmitted to the receiving antenna unit 11 is transmitted to the receiving and transmitting unit 14 through the terminal unit 12 and converted into a predetermined AC power in the receiving and transmitting unit 14.

이후, 교류 상태의 전력은 정류부(30)를 통해 직류 전력으로 변환되고, 또한 DC/DC 변환부(40)에 의해 충전에 요구되는 소정 전압으로 변환된다.Thereafter, the power in the AC state is converted into DC power through the rectifying section 30, and further converted into a predetermined voltage required for charging by the DC / DC converting section 40.

여기서, 상기 송신공진부(4)와 수신공진부(14)에는 커패시터와 인덕터들이 직렬 또는 병렬의 형태로 연결되어 포함된다.Here, the transmission resonance unit 4 and the reception cavity unit 14 include a capacitor and an inductor connected in series or in parallel.

상기 송신공진부(4)와 수신공진부(14)에는 직렬커패시터트리머부(8, 18)와 병렬커패시터트리머부(6, 16)가 연결된다.The transmission capacitor 4 and the reception capacitor 14 are connected to the series capacitor trimmer units 8 and 18 and the parallel capacitor trimmer units 6 and 16.

여기서, 상기 직렬커패시터트리머부(8, 18)는 각각 송신공진부(4)와 수신공진부(14) 내의 직렬 연결된 커패시터들에 연결되며, 상기 직렬커패시터트리머부(8, 18)는 그 커패시턴스값을 조절할 수 있도록 구성된다.The series capacitor trimmer units 8 and 18 are connected to the series connected capacitors in the transmission resonance unit 4 and the receiving capacitor unit 14 respectively and the series capacitor trimmer units 8 and 18 have their capacitance values As shown in FIG.

따라서, 상기 직렬커패시터트리머부(8, 18)는 용량을 조절할 수 있는 조절 커패시터(Trimmer Capacitor)를 포함하여 구성되며, 상기 직렬커패시터트리머부(8, 18)를 조절함으로써, 송신공진부(4)와 수신공진부(14) 내의 직렬 연결 커패시터들의 전체 커패시턴스값을 조절할 수 있다.Accordingly, the series capacitor trimmer 8, 18 includes a trimmer capacitor capable of adjusting the capacitance. By adjusting the series capacitor trimmer 8, the transmission resonator 4 can be controlled by adjusting the series capacitor trimmer 8, And the total capacitance value of the series-connected capacitors in the receiving portion 14 can be adjusted.

또한, 상기 병렬커패시터트리머부(6, 16)는 각각 송신공진부(4)와 수신공진부(14) 내의 병렬 연결된 커패시터들에 연결되며, 상기 병렬커패시터트리머부(6, 16) 역시 그 커패시턴스값을 조절할 수 있도록 구성된다.The parallel capacitor trimmer units 6 and 16 are connected to the parallel connected capacitors in the transmission resonance unit 4 and the receiving capacitor 14 respectively and the parallel capacitor trimmer units 6 and 16 also have capacitance values As shown in FIG.

여기서, 상기 병렬커패시터트리머부(6, 16) 역시 용량을 조절할 수 있는 조절 커패시터(Trimmer Capacitor)를 포함하여 구성되며, 상기 병렬커패시터트리머부(6, 16)를 조절함으로써, 송신공진부(4)와 수신공진부(14) 내의 병렬 연결 커패시터들의 전체 커패시턴스값을 조절할 수 있다.The parallel capacitor trimmer units 6 and 16 may also include a trimmer capacitor capable of adjusting the capacitance of the parallel capacitor trimmer units 6 and 16. The parallel capacitor trimmer units 6 and 16 may adjust the capacitance of the transmission capacitor unit 4, And the total capacitance value of the parallel connection capacitors in the receiving portion 14 can be adjusted.

상기 무선충전전력송신부(10)와 무선충전전력수신부(20)는 각각 무선충전을 위한 송신장치(Tx)와 수신장치(Rx)에 포함된다.The wireless charging power transmission unit 10 and the wireless charging power reception unit 20 are included in a transmission device Tx and a reception device Rx for wireless charging, respectively.

한편, 도 2 에 도시되는 커패시턴스값조절장치는 무선충전전력송신부(10)와 무선충전전력수신부(20)의 커패시턴스값을 측정하기 위한 커패시턴스값측정부(110)와 기준이 되는 커패시턴스값을 저장하기 위한 커패시턴스값저장부(120) 및 상기 무선충전전력송신부(10)와 무선충전전력수신부(20)의 커패시턴스값을 조절하기 위한 커패시턴스값조절부(140)를 포함한다.2 includes a capacitance value measurement unit 110 for measuring a capacitance value of the wireless charging power transmission unit 10 and the wireless charging power reception unit 20 and a capacitance value measurement unit 110 for storing a reference capacitance value And a capacitance value adjuster 140 for adjusting the capacitance values of the wireless charging power transmitter 10 and the wireless charging power receiver 20. The capacitance value storage unit 120 includes a capacitance value storage unit 120,

상기 커패시턴스값측정부(110)는 무선충전전력송신부(10)와 수신부(20)의 전체 커패시턴스값을 측정하기 위한 구성으로서, 예를 들어 LCR 미터를 포함하여 구성될 수 있다.The capacitance value measuring unit 110 may be configured to measure the total capacitance value of the wireless charging power transmitting unit 10 and the receiving unit 20, and may include, for example, an LCR meter.

상기 커패시턴스값측정부(110)에 의해 측정된 무선충전전력송신부(10) 또는 무선충전전력수신부(20)의 커패시턴스값은 상기 제어부(130)로 전달된다.The capacitance value of the wireless charging power transmitter 10 or the wireless charging power receiver 20 measured by the capacitance value measuring unit 110 is transmitted to the controller 130.

상기 커패시턴스값저장부(120)는 메모리 소자를 포함하여 구성되며, 무선충전송수신장치의 기준 커패시턴스값이 저장된다.The capacitance value storage unit 120 includes a memory element, and a reference capacitance value of the wireless charging and receiving apparatus is stored.

상기와 같이 제어부(130)가 측정된 커패시턴스값을 전달받아 상기 커패시턴스값저장부(120)에 저장된 기준이 되는 커패시턴스값과 비교한다.The controller 130 receives the measured capacitance value and compares the measured capacitance value with the reference capacitance value stored in the capacitance value storage unit 120 as described above.

이때, 상기 기준이 되는 커패시턴스값에 대해 허용 오차 범위가 미리 설정되며, 상기 오차 범위를 벗어나는 커패시턴스값 차이에 대해서는 상기 커패시턴스값조절부(140)로 이를 전달한다.At this time, an allowable error range is set in advance with respect to the reference capacitance value, and a capacitance value difference that deviates from the error range is transmitted to the capacitance value adjuster 140.

이후, 상기와 같이 커패시턴스값조절부(140)가 커패시턴스값 차이를 전달받아 상기 직렬커패시터트리머부(8, 18) 또는 병렬커패시터트리머부(6, 16) 내의 커패시턴스값을 조절하도록 제어된다.Then, the capacitance value controller 140 receives the difference of the capacitance value and controls the capacitance value in the series capacitor trimmer 8, 18 or the parallel capacitor trimmer 6, 16 as described above.

여기서, 상기 직렬커패시터트리머부(8, 18)와 병렬커패시터트리머부(6, 16) 내에는 커패시턴스값을 조절하기 위한 가변저항이 포함될 수 있으며, 상기 커패시턴스값조절부(140)를 통해 상기 가변저항의 저항값을 조절함으로써, 상기 직렬커패시터트리머부(8, 18) 또는 병렬커패시터트리머부(6, 16) 내의 커패시턴스값을 조절할 수 있다.
A variable resistor for adjusting a capacitance value may be included in the series capacitor trimmer units 8 and 18 and the parallel capacitor trimmer units 6 and 16, The capacitance value in the series capacitor trimmer section 8, 18 or the parallel capacitor trimmer section 6, 16 can be adjusted by adjusting the resistance value of the series capacitor trimmer section 8, 18.

이상, 본 발명은 비록 한정된 실시예와 도면에 의해 설명되었으나, 본 발명의 기술적 사상은 이러한 것에 한정되지 않으며, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 의해, 본 발명의 기술적 사상과 하기 될 특허청구범위의 균등범위 내에서 다양한 수정 및 변형 실시가 가능할 것이다.While the present invention has been described with reference to the exemplary embodiments and the drawings, it is to be understood that the technical scope of the present invention is not limited to these embodiments and various changes and modifications may be made without departing from the spirit and scope of the present invention by those skilled in the art. Various modifications and variations may be made without departing from the scope of the appended claims.

1, 11: 안테나부
2, 12: 단자부
4, 14: 공진부
6, 16: 병렬커패시터트리머부
8, 18: 직렬커패시터트리머부
10: 무선충전전력송신부
20: 무선충전전력수신부
30: 정류부
40: DC/DC 변환부
110: 커패시턴스값측정부
120: 커패시턴스값저장부
130: 제어부
140: 커패시턴스값조절부1, 11: Antenna section
2, 12: terminal portion
4, 14: Resonance part
6, 16: Parallel capacitor trimmer section
8, 18: series capacitor trimmer unit
10: Wireless charging power transmitter
20: wireless charging power receiver
30: rectification part
40: DC / DC conversion section
110: Capacitance value measuring unit
120: Capacitance value storage unit
130:
140: Capacitance value control unit

Claims (4)

무선충전 전력의 송신을 위한 무선충전전력송신부와;
상기 무선충전전력송신부로부터 전송되는 무선 전력을 전송받기 위한 무선충전전력수신부와;
상기 무선충전전력송신부와 무선충전전력 수신부의 커패시터 값을 측정하기 위한 커패시턴스값측정부와;
기준커패시턴스값을 저장하기 위한 커패시턴스값저장부와;
상기 커패시턴스값측정부로부터 측정된 커패시턴스값을 전달받아 상기 커패시턴스값저장부에 저장된 기준 커패시턴스값과 비교하여 제어신호를 생성하기 위한 제어부와;
상기 제어부로부터 조절값을 전달받아 상기 무선충전전력송신부와 무선충전전력수신부의 커패시턴스값을 조절하는 커패시턴스값조절부를 포함하는 무선충전장치의 임피던스 보정장치.A wireless charging power transmitter for transmitting wireless charging power;
A wireless charging power receiver for receiving wireless power transmitted from the wireless charging power transmitter;
A capacitance value measuring unit for measuring a capacitance value of the wireless charging power transmitter and the wireless charging power receiver;
A capacitance value storage unit for storing a reference capacitance value;
A controller for receiving a measured capacitance value from the capacitance value measuring unit and comparing the measured capacitance value with a reference capacitance value stored in the capacitance value storage unit to generate a control signal;
And a capacitance value controller for receiving the adjustment value from the controller and adjusting a capacitance value of the wireless charging power transmitter and the wireless charging power receiver. 제 1 항에 있어서,
상기 무선충전전력송신부와 무선충전전력수신부는 공진부를 포함하며,
상기 공진부는 커패시터 또는 인덕터의 조합으로 구성되되,
상기 공진부에는 상기 공진부의 직렬 연결 커패시터들의 커패시턴스값을 조절하기 위한 직렬커패시터트리머부가 연결되는 것을 특징으로 하는 무선충전장치의 임피던스 보정장치.The method according to claim 1,
Wherein the wireless charging power transmitting unit and the wireless charging power receiving unit include a resonating unit,
The resonator may comprise a combination of a capacitor or an inductor,
And a series capacitor trimming unit for adjusting a capacitance value of the series-connected capacitors of the resonance unit is connected to the resonance unit. 제 2 항에 있어서,
상기 공진부에는 상기 공진부의 병렬 연결 커패시터들의 커패시턴스값을 조절하기 위한 병렬커패시터트리머부가 연결되는 것을 특징으로 하는 무선충전장치의 임피던스 보정장치.3. The method of claim 2,
And a parallel capacitor trimming unit for adjusting a capacitance value of the parallel connection capacitors of the resonance unit is connected to the resonance unit. 제 3 항에 있어서,
상기 커패시턴스값조절부는 상기 무선충전전력송신부와 무선충전전력수신부의 저항값을 조절하는 것을 특징으로 하는 무선충전장치의 임피던스 보정장치.The method of claim 3,
Wherein the capacitance value adjusting unit adjusts a resistance value of the wireless charging power transmitting unit and the wireless charging power receiving unit.
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WO2024005328A1 (en) * 2022-06-28 2024-01-04 삼성전자 주식회사 Electronic device for wireless power transmission and operating method thereof

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Publication number Priority date Publication date Assignee Title
JP2012231665A (en) * 2008-03-05 2012-11-22 Qualcomm Inc Packaging and details of wireless power device
KR20130041870A (en) * 2013-03-27 2013-04-25 엘지이노텍 주식회사 Wireless power transmission apparatus and method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012231665A (en) * 2008-03-05 2012-11-22 Qualcomm Inc Packaging and details of wireless power device
KR20130041870A (en) * 2013-03-27 2013-04-25 엘지이노텍 주식회사 Wireless power transmission apparatus and method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024005328A1 (en) * 2022-06-28 2024-01-04 삼성전자 주식회사 Electronic device for wireless power transmission and operating method thereof

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