Three-level and adjustable LCC resonant wireless charging system

• Main Authors: KOU QIULIN, YANG GUOXUN, LUO SIJIN
• Format: Patent
• Language: Chinese; English
• Published: 17.11.2020
• Subjects: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRICITY; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; GENERATION; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; PERFORMING OPERATIONS; SYSTEMS FOR STORING ELECTRIC ENERGY; TRANSPORTING; VEHICLES IN GENERAL

The utility model discloses a three-level and adjustable LCC resonance wireless charging system, comprising a ground unit and a vehicle-mounted unit, the ground unit comprises a three-level circuit, aground adjustable LCC resonance network, a ground emission unit and a ground control unit, the three-level circuit, the ground adjustable LCC resonance network and the ground emission unit are successively coupled, and the ground control unit is coupled with the three-level circuit and the ground adjustable LCC resonance network; the vehicle-mounted unit comprises a vehicle-mounted receiving unit, a vehicle-mounted adjustable LCC resonant network, a synchronous rectification circuit and a vehicle-mounted control unit which is coupled with the vehicle-mounted adjustable LCC resonant network and the synchronous rectification circuit in sequence. The ground/vehicle-mounted adjustable LCC resonant network comprises a variable capacitor of which the capacitance value is adjusted based on a power tube, and the ground/v