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Smart Wireless Charger for Mobile Devices, Robots, and Vehicles

Technology Overview

Electric Vehicles (EV) and Autonomous Electric Vehicle (AEVs) with ten times cheaper running costs and minimal maintenance costs compared to vehicles powered by internal combustion enginesis poised to disrupt the automotive industry. These factors and the environmental impact of the petrol based transport infrastructure has led to renewed interest in an electric transport infrastructure. To power EVs and AEVs, charging currently relies mainly on two contact based methods, battery swapping and contact based charging. The first method is not practical for big batteries and requires human intervention. The second method requires accurate docking, larger maneuvering space, slow docking, exposure of live connector and mechanical wear out is common. The technology described herein is related to the development of a wireless charger technology to transfer both power (kW level) and data. The charger consists of transmitter power unit and coil module, and receiver power unit and coil module. The proposed wireless charging solutions are based on state-of-the-art power devices that allow high efficiency and high density design. This makes the solutioncompact, lightweight, and has high tolerance to EVsand AEVspositioning. In addition, the innovative design approach based on modularity allows mass production of converters while still maintaining cost efficient customization of coil design.

Technology Features & Specifications

Technical specifcations of the technology are as follows: Wireless Power Transfer (Output): 3kW Power Supply (Input): 220V AC, 50/60 Hz, Single Phase Operating Frequency Range: 85 kHz - 350 kHz Z Gap (Optimal): 30 cm Communication and bi-directional data transfer features Key advantages of this technology include: Operational efficiency and cost saving Convenience & Intuitive (no more forget to charge) Maintenance free, no contact or moving parts Avoids the issues of tripping over the cables, exposed connector Weather proofing is easier

Potential Applications

Automatic Guided Vehicle (AGV), Robots Electric Vehicle (EV) & Autonomous Electric Vehicle (AEV) Battery Powered Mobility (golf car, indoor car, fork lift, personal mobility devices, etc.)

Customer Benefits

Operational efficiency and cost saving Convenience & Intuitive Maintenance free, no contact or moving parts Communication and bi-directional data transfer features Avoids the issues of tripping over the cables, exposed connector Weather proofing is easier

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