In April 2020, Huawei filed a patent for charging and discharging switching device, method, as well as a two-way charging system for electric vehicles. Now, as per the China Intellectual Property database, this patent was approved on November 30, 2021.
However, the Huawei two-way charging system patent for electric vehicles was published with announcement number CN112638700B in China. At present, two-way charging technology has been more and more widely used in the field of new electric vehicles.
The electric vehicles launching with the support of two-way charging can bring many conveniences to users. In the new upcoming electric vehicles, the power tools and provide users with home appliances, power supplies, etc.
Accoriding to the patent summary, the patent mainly relates to a charging and discharging switching device, a method, and a two-way charging system. The charging and discharging switching device mainly includes:
- A first switch, a second switch, a switching power supply, and a control unit.
- The two ends of the first switch are used to connect the power supply device, the load device.
- The first end of the second switch and the switching power supply, and the second end of the second switch is used to connect the new energy vehicle.