Group 1 - The core viewpoint of the news is that Alt Automotive Technology Co., Ltd. has applied for a patent related to a relay fault detection method, which aims to enhance the reliability of electric vehicle charging technology and reduce manufacturing costs [1][2]. Group 2 - The patent application, titled "Relay Fault Detection Method, Device, Vehicle, Medium, and Product," was published under CN121522434A and was filed on November 2025 [1]. - The method involves monitoring multiple detection cycles during various stages of the charging process, including preparation, pre-charging, boosting, and discharging, to detect faults in relays [1]. - Alt Automotive Technology Co., Ltd. was established in 2007 and is based in Beijing, with a registered capital of 4,980.40481 million RMB [2]. - The company has invested in 36 enterprises and participated in 250 bidding projects, holding 2,463 patents and 156 trademark registrations [2].
阿尔特申请继电器故障检测方法专利,降低了检测逻辑的复杂度