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MOSO has obtained invention patent authorization:

Article Source：Kinri Energy | Author：Kinri Energy | Issuing Time：2024.05.20
Securities Star News: According to data from Qichacha, MOSO (002660) has obtained a new invention patent authorization, titled "Wide Voltage Hybrid PFC Converter and Switching Power Supply". The patent application number is CN202110043057. X, and the authorization date is May 14, 2024.

Patent Abstract: The present invention discloses a wide voltage hybrid PFC converter and a switching power supply. The converter includes an AC input unit, a rectification unit, a first input filtering capacitor, a first output filtering capacitor, a second input filtering capacitor, a second output filtering capacitor, a selection switch, a PFC conversion unit, and a PFC control unit. The AC output end of the AC input unit is electrically connected to the AC input end of the rectification unit, the output end of the rectification unit is connected to the first input filtering capacitor and the first input end of the PFC conversion unit, the output end of the rectification unit is connected to the second input filtering capacitor and the second input end of the PFC conversion unit. This scheme achieves power conversion through a PFC conversion unit. The selection switch is closed and opened according to the size of the AC voltage to adapt to a wider range of AC input voltage. The input current remains basically unchanged. When the selection switch is closed, the PFC conversion unit operates in a bridge less rectification mode, thereby improving the overall conversion efficiency; Low power device requirements reduce production costs.



Attached drawings of patent abstract

Since the beginning of this year, MOSO has obtained 5 new patent authorizations. Based on the financial data of the company's 2023 annual report, the company invested 93.5456 million yuan in research and development, a year-on-year increase of 17.79%.
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