To provide a power transmission coil unit capable of reducing the weight and size.SOLUTION: A power transmission coil unit 100 includes: a substrate 1 in which a coil consisting of a conductor pattern is formed, and on the back side, a capacitor 6 is attached to the back side; a core 2 that is arranged on the back side of the substrate 1, and in which a hole 211 is formed in a position facing the capacitor 6; a bottom plate 4 that is arranged on the back side of the core 2; a space 7 that is formed and partitioned by the back side of the substrate 1, a surface of the bottom plate 4, and an inner peripheral surface of the hole 211 to accommodate the capacitor 6; and a support member 5 that is arranged in the space 7 to support the substrate 1.SELECTED DRAWING: Figure 2
【課題】送電コイルユニットの軽量化及び小型化を図る。【解決手段】送電コイルユニット100は、導体パターンからなるコイルが形成されると共に裏面側にコンデンサ6が取り付けられた基板1と、基板1の裏面側に配置されると共に、コンデンサ6と対向する位置に孔211が形成されたコア2と、コア2の裏面側に配置される底板4と、基板1の裏面、底板4の表面、及び孔211の内周面によって区画形成されてコンデンサ6が収容される空間7と、空間7に配置されて基板1を支持する支持部材5と、を備える。【選択図】図2
POWER TRANSMISSION COIL UNIT
送電コイルユニット
2024-03-25
Patent
Electronic Resource
Japanese
IPC: | H01F MAGNETS , Magnete / B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
POWER TRANSMISSION COIL UNIT, POWER RECEIVING COIL UNIT, AND WIRELESS POWER TRANSMISSION SYSTEM
European Patent Office | 2021
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