Jin Rong Jie·2025-04-25 01:21Group 1 - BYD Company Limited and Shenzhen BYD Lithium Battery Co., Ltd. have applied for a patent titled "Battery Risk Diagnosis Method, Device, Electronic Equipment, Storage Medium, and Carrier" with publication number CN119807796A, filed on August 2024 [1] - The patent describes a method for diagnosing battery risks by analyzing vibration signal data, which includes obtaining first frequency domain data of the target battery's vibration signals over a specific time period and comparing it with second frequency domain data from the previous time period to identify potential risks [1] - The proposed method aims to effectively filter out noise and environmental signals, enhancing the validity of vibration signal analysis and enabling timely detection of battery risks [1] Group 2 - BYD Company Limited was established in 1995 and is based in Shenzhen, primarily engaged in the manufacturing of electrical machinery and equipment, with a registered capital of approximately 2.91 billion RMB [2] - The company has invested in 99 enterprises, participated in 963 bidding projects, and holds 1,760 trademark records and 5,000 patent records, along with 134 administrative licenses [2] - Shenzhen BYD Lithium Battery Co., Ltd. was founded in 1998, also located in Shenzhen, with a registered capital of approximately 616 million RMB, and has invested in 9 enterprises, participated in 289 bidding projects, and holds 337 patent records, along with 154 administrative licenses [2]