WO2022114270A1 - Système de transmission/réception de transfert d'énergie sans fil à micro-ondes comprenant un capteur radar - Google Patents

Système de transmission/réception de transfert d'énergie sans fil à micro-ondes comprenant un capteur radar Download PDF

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Publication number
WO2022114270A1
WO2022114270A1 PCT/KR2020/016969 KR2020016969W WO2022114270A1 WO 2022114270 A1 WO2022114270 A1 WO 2022114270A1 KR 2020016969 W KR2020016969 W KR 2020016969W WO 2022114270 A1 WO2022114270 A1 WO 2022114270A1
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WO
WIPO (PCT)
Prior art keywords
radar sensor
reception system
wireless power
transmission
power transfer
Prior art date
Application number
PCT/KR2020/016969
Other languages
English (en)
Korean (ko)
Inventor
김당오
양대근
이주용
조동호
Original Assignee
한국과학기술원
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 한국과학기술원 filed Critical 한국과학기술원
Priority to PCT/KR2020/016969 priority Critical patent/WO2022114270A1/fr
Publication of WO2022114270A1 publication Critical patent/WO2022114270A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40—Means for monitoring or calibrating
    • 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
    • H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
    • 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

Definitions

  • the present technology relates to a microwave wireless power transmission transmission/reception system including a radar sensor.
  • a conventional wireless power transmission/reception system has a configuration for wirelessly transmitting a power signal and detecting it using an antenna.
  • the present embodiment implements an automatic calibration function of a transmission/reception system using a radar sensor, implements focusing beamforming, and implements adaptive beam alignment.
  • the power transmission system includes a power supply unit, a radar module, a control unit, a high voltage source generator, a phase control unit, an RF power circuit unit, and a plurality of sub-array transmission antennas.
  • automatic calibration, focusing beamforming, and adaptive beam alignment of a transmission/reception system can be performed using a radar sensor.
  • 1 is a schematic diagram of the present embodiment.
  • FIG. 2 is a conceptual diagram of a focused distance detecting operation according to the present embodiment.
  • 3 is a conceptual diagram of an operation of beam alignment.
  • FIG. 4 is a diagram of a transmission/reception system according to the present embodiment.
  • FIG. 5 is a conceptual diagram of a transmitter according to the present embodiment.
  • This embodiment implements the initial installation and automatic calibration function of the transmission/reception system using a radar sensor.
  • This embodiment implements focusing beamforming, which forms a beam in the Fresnel region and focuses multiple beams of a transmit antenna on a focal point. Phase control for beam focusing is performed through the radar sensor's distance detection function.
  • This embodiment implements adaptive beam alignment due to a very narrow beamwidth of a high-gain transmit/receive antenna.
  • Phase control for beam alignment is performed by spatially scanning the receiving antenna image with high RCS through the Synthetic Aperture Radar function in the transmitter at the initial stage of operation.
  • distance detection, reception antenna position, and beam center detection are performed using a radar sensor, and the antenna and beamforming circuit of the radar sensor are combined with a wireless power transmission function.
  • the focal length for beam focusing of the transmitting antenna can be actively controlled
  • the sub-array antenna for wireless power transmission and the RF power transmission circuit module have a high gain, it is possible to use the antenna and RF circuit part for individual radar sensors.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

Le système de transfert d'énergie sans fil selon le présent mode de réalisation comprend une unité d'alimentation électrique, un module radar, une unité de commande, un générateur de source de haute tension, une unité de commande de phase, une unité de circuit de puissance RF et une pluralité d'antennes de transmission de sous-réseau et réalise un étalonnage automatique d'un système de transmission/réception, une formation de faisceau de focalisation et un alignement de faisceau adaptatif en utilisant un capteur radar.
PCT/KR2020/016969 2020-11-26 2020-11-26 Système de transmission/réception de transfert d'énergie sans fil à micro-ondes comprenant un capteur radar WO2022114270A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2020/016969 WO2022114270A1 (fr) 2020-11-26 2020-11-26 Système de transmission/réception de transfert d'énergie sans fil à micro-ondes comprenant un capteur radar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2020/016969 WO2022114270A1 (fr) 2020-11-26 2020-11-26 Système de transmission/réception de transfert d'énergie sans fil à micro-ondes comprenant un capteur radar

Publications (1)

Publication Number Publication Date
WO2022114270A1 true WO2022114270A1 (fr) 2022-06-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2020/016969 WO2022114270A1 (fr) 2020-11-26 2020-11-26 Système de transmission/réception de transfert d'énergie sans fil à micro-ondes comprenant un capteur radar

Country Status (1)

Country Link
WO (1) WO2022114270A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150260835A1 (en) * 2014-03-17 2015-09-17 Qualcomm Incorporated Systems, methods, and apparatus for radar-based detection of objects in a predetermined space
US20160033254A1 (en) * 2014-07-31 2016-02-04 Ossia, Inc. Techniques for determining distance between radiating objects in multipath wireless power delivery environments
US20170085126A1 (en) * 2015-09-22 2017-03-23 Energous Corporation Systems and methods for generating and transmitting wireless power transmission waves
KR20170112899A (ko) * 2016-03-31 2017-10-12 삼성전자주식회사 무선 전력 송신기 및 그 제어 방법
KR20190130844A (ko) * 2018-05-15 2019-11-25 영남대학교 산학협력단 무선전력 송신기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150260835A1 (en) * 2014-03-17 2015-09-17 Qualcomm Incorporated Systems, methods, and apparatus for radar-based detection of objects in a predetermined space
US20160033254A1 (en) * 2014-07-31 2016-02-04 Ossia, Inc. Techniques for determining distance between radiating objects in multipath wireless power delivery environments
US20170085126A1 (en) * 2015-09-22 2017-03-23 Energous Corporation Systems and methods for generating and transmitting wireless power transmission waves
KR20170112899A (ko) * 2016-03-31 2017-10-12 삼성전자주식회사 무선 전력 송신기 및 그 제어 방법
KR20190130844A (ko) * 2018-05-15 2019-11-25 영남대학교 산학협력단 무선전력 송신기

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