On July 15, 2025, information from the National Intellectual Property Administration shows that Beijing Yuan Shan Intelligent Technology Co., Ltd. has obtained a patent titled “External Supercapacitor Device Based on PLC,” with authorization announcement number CN223108299U, and the application date is September 2024.The patent abstract indicates that this utility model provides an external supercapacitor device based on PLC, which belongs to the field of electronic digital data processing devices. It includes a PLC controller, supercapacitor, connector, and power management chip. The supercapacitor is positioned on the side of the PLC controller, and the power management chip is connected to the PLC controller. The supercapacitor is connected to the power management chip via the connector. The purpose is to address the issues in the existing technology regarding the low efficiency and high cost of replacing supercapacitors based on PLC controllers, as well as the challenges in upgrading and expanding capacitors. The technical effect achieved is: enabling self-replacement of capacitors without the need for factory repair, improving replacement and maintenance efficiency, saving time and effort while reducing costs.
Source: Financialē




