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XJ GROUP has been granted an invention patent authorization:

Article Source：Qichacha | Author：Securities Star | Issuing Time：2024.04.18
Securities Star News: According to data from Qichacha, XJ GROUP (000400) has obtained a new invention patent authorization, titled "A Monitoring Method and Device for Switching Power Supply". The patent application number is CN202111051484.9, and the authorization date is April 16, 2024.

Patent abstract

The present invention relates to a monitoring method and device for a switching power supply, which monitors the state of the electrolytic capacitor by obtaining the temperature rise of the electrolytic capacitor, and adaptively switches the standby electrolytic capacitor based on the monitoring results; And monitor the power output in real time to determine whether the sampling data of the power output exceeds the predetermined threshold. By judging whether the electrolytic capacitor is normal based on its temperature rise, it is possible to quickly identify electrolytic capacitors that have aged and reduced capacity, and quickly switch to backup electrolytic capacitors, thereby extending the service life of switching power supplies; Real time monitoring of power output, determining whether the sampled data exceeds the predetermined threshold, and adopting different fault handling strategies based on the number of sampled data exceeding the predetermined threshold. The degree of fault in the switching power supply can be determined based on the sampling data of the switching power supply, and different fault handling strategies can be adopted according to the degree of fault, so as to carry out targeted fault handling.


Attached drawings of patent abstract


Since the beginning of this year, XJ GROUP has obtained 93 new patent authorizations, an increase of 102.17% compared to the same period last year. Based on the financial data of the company's 2023 annual report, the company invested 813 million yuan in research and development, a year-on-year increase of 9.01%.
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