To suppress a transmission efficiency of a power in a radio charging with an electric field coupling system.SOLUTION: A mobile body 20 can receive an AC power from a power transmission device 10 having a first power transmission electrode 11 and a second power transmission electrode 12 in a radio, and comprises: a mobile main body 21; a first power reception electrode 31 that is coupled with the first power transmission electrode 11 in an electric field when it is opposite to a vertical direction to the first power transmission electrode 11; a second power transmission electrode 32 that is coupled with the second power transmission electrode 12 in the electrode field when it is opposite to a vertical direction to the second power transmission electrode 12 as well as being arranged with an interval to a direction along a road surface R to the first power reception electrode 31; a power reception side ground 35 that is arranged with the interval to the first power reception electrode 31 and the second power transmission electrode 32, and is formed by a conductive material; a matching circuit that matches an AC power output from the first power reception electrode 31 and the second power transmission electrode 32; a rectification circuit that converts the AC power through the matching circuit into a DC power; and a load 60 to which the converted DC power is supplied.SELECTED DRAWING: Figure 2
【課題】電界結合方式の無線充電において、電力の伝送効率の低下を抑える。【解決手段】移動体20は、第1送電電極11及び第2送電電極12を有する送電装置10から交流電力を無線で受電可能であって、移動体本体21と、第1送電電極11に上下方向で対向したときに、第1送電電極11と電界結合する第1受電電極31と、第1受電電極31に対して路面Rに沿った方向に間隔を開けて配置され、第2送電電極12に上下方向で対向したときに、第2送電電極12と電界結合する第2受電電極32と、第1受電電極31及び第2受電電極32に対して上方に間隔を開けて配置され、導電性材料から形成された受電側グランド35と、第1受電電極31及び第2受電電極32から出力される交流電力を整合する整合回路と、整合回路を経た交流電力を直流電力に変換する整流回路と、変換された直流電力が供給される負荷60と、を備える。【選択図】図2
MOBILE BODY AND MOBILE BODY POWER SUPPLY SYSTEM
移動体、移動体給電システム
2024-01-17
Patent
Electronic Resource
Japanese
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES |
MOBILE BODY, MOBILE BODY GROUP, POWER SUPPLY DEVICE, AND MOBILE BODY SYSTEM
European Patent Office | 2023
|POWER SUPPLY SYSTEM FOR FLOATING MOBILE BODY OR UNDERWATER MOBILE BODY
European Patent Office | 2022
|POWER SUPPLY SYSTEM FOR FLOATING MOBILE BODY OR UNDERWATER MOBILE BODY
European Patent Office | 2021
|