The invention provides an electric automobile wireless charging apparatus. The apparatus comprises an electromagnetic wave receiving coil, the electromagnetic wave receiving coil is connected with a storage battery through a rectification filtering circuit, the electromagnetic wave receiving coil is used for generating an alternating magnetic field so as to generate an induction electromotive force, an electric automobile is also provided with a wireless signal emission device, and the wireless signal emission device is connected with the storage battery through a voltage detection device; and only when the voltage detection device detects that the voltage of the output end of the storage battery is within a normal set scope, can the wireless emission device be activated, association signals are emitted, a wireless signal receiving end activates a control circuit after receiving the association signals, and the charging apparatus starts charging, such that open circuits, short circuits and over charge of the end of the storage battery are effectively avoided, and the system safety performance is improved.
Electric automobile wireless charging apparatus and wireless charging system
2015-11-18
Patent
Elektronische Ressource
Englisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |