A power receiving device includes: a power receiving unit that receives electric power from an externally provided power transmitting unit contactlessly; and a casing having the power receiving unit accommodated therein, the casing including: a lid member located on the power transmitting unit's side and allowing a magnetic field to pass therethrough, and a plurality of temperature sensors provided at the lid member and sensing in temperature a foreign matter present between the power transmitting unit and the power receiving unit, the temperature sensors being spaced closer together at the location of a strong portion of an electromagnetic field strength generated from the power receiving unit than the location of a weak portion of the electromagnetic field strength generated from the power receiving unit.
Power receiving device and power transmitting device
2017-09-05
Patent
Elektronische Ressource
Englisch
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 / H01F MAGNETS , Magnete |
Power transmitting and receiving system, power receiving device, and power transmitting device
Europäisches Patentamt | 2022
|Europäisches Patentamt | 2016