WIRELESS POWER TRANSMISSION DEVICE AND OPERATING METHOD THEREFOR

• Main Authors: KIM, Daehyun, PARK, Jaehyun, BYUN, Kangho, GU, Beomwoo, YEO, Sungku, RYU, Youngho
• Format: Patent
• Language: English; French; Korean
• Published: 20.07.2023
• Subjects: BASIC ELECTRIC ELEMENTS; BASIC ELECTRONIC CIRCUITRY; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; INDUCTANCES; MAGNETS; MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; RESONATORS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES; SYSTEMS FOR STORING ELECTRIC ENERGY; TESTING; TRANSFORMERS

A wireless power transmission device is disclosed. A wireless power transmission device according to various embodiments may comprise: a transmission coil including a first member, which has one end and the other end forming a first angle with a plane, and a second member, which is arranged on the plane and is connected to each of the one end and the other end of the first member; an impedance sensor for outputting a voltage value corresponding to an impedance change amount of a resonance circuit, which includes the transmission coil; a magnetic body having a side surface that is dented, the dented side surface facing a portion of the transmission coil; a motor for moving the magnetic body; and a processor, which receives the output voltage value from the impedance sensor, calculates the difference value between a reference voltage value and the received voltage value, determines control information about the motor on the basis of the calculated difference value, and drives the motor through the determined control information so as to control the distance between the magnetic body and the portion of the transmission coil. Est divulgué un dispositif de transmission d'énergie sans fil. Un dispositif de transmission d'énergie sans fil selon divers modes de réalisation peut comprendre : une bobine de transmission comprenant un premier élément, dont une extrémité et l'autre extrémité forment un premier angle avec un plan, et un second élément, disposé sur le plan et connecté à la première extrémité et à l'autre extrémité du premier élément ; un capteur d'impédance permettant d'émettre en sortie une valeur de tension correspondant à une quantité de changement d'impédance d'un circuit de résonance, comprenant la bobine de transmission ; un corps magnétique comportant une surface latérale dentée, la surface latérale dentée faisant face à une partie de la bobine de transmission ; un moteur permettant de déplacer le corps magnétique ; et un processeur, qui reçoit la valeur de tension de sortie en provenance du capteur d'impédance, calcule la valeur de différence entre une valeur de tension de référence et la valeur de tension reçue, détermine des informations de commande concernant le moteur en fonction de la valeur de différence calculée, et entraîne le moteur par l'intermédiaire des informations de commande déterminées de façon à commander la distance entre le corps magnétique et la partie de la bobine de transmission. 무선 전력 송신 장치가 개시된다. 다양한 실시 예들에 따르면, 무선 전력 송신 장치는 일 단과 타 단 각각이 평면과 제1 각도를 형성하는 제1 멤버 및 상기 평면 상에 배치되고 상기 제1 멤버의 일 단 및 타 단 각각과 연결되는 제2 멤버를 포함하는 송신 코일, 상기 송신 코일을 포함하는 공진 회로의 임피던스 변화량에 대응되는 전압값을 출력하는 임피던스 센서, 측면이 파여지고 상기 파여진 측면이 상기 송신 코일의 일부분과 마주하는 자성체, 상기 자성체를 이동시키기 위한 모터, 및 상기 임피던스 센서로부터 상기 출력된 전압값을 수신하고, 레퍼런스 전압값과 상기 수신된 전압값 사이의 차이값을 계산하며, 상기 계산된 차이값을 기초로 상기 모터의 제어 정보를 결정하고, 상기 결정된 제어 정보를 통해 상기 모터를 구동시켜 상기 자성체와 상기 송신 코일의 상기 일부분 사이의 거리를 제어하는 프로세서를 포함할 수 있다.