Group 1 - The core point of the article is that China Tower Corporation has applied for a patent related to a charging control method and device that utilizes both AC and DC inputs, which aims to enhance charging efficiency and reduce hardware costs [1]. Group 2 - The patent application, titled "A Charging Control Method and Device with Mixed AC and DC Input," was published under CN121440836A and was filed on October 2025 [1]. - The charging control method involves selecting control strategies based on external voltage signals and charging load information, optimizing the charging process for both AC and DC sources [1]. - The proposed solution allows the charging station to connect directly to both AC and DC energy storage without needing a PCS inverter, significantly reducing switching losses and hardware costs [1]. Group 3 - China Tower Corporation, established in 2014 and located in Beijing, primarily engages in civil engineering and construction [2]. - The company has a registered capital of approximately 1.76 billion RMB and has made investments in four enterprises, participated in 5,000 bidding projects, and holds 1,087 patents [2].

天眼查资料显示，北京新能源汽车股份有限公司，成立于2009年，位于北京市，是一家以从事汽车制造 业为主的企业。企业注册资本1506029.573万人民币。通过天眼查大数据分析，北京新能源汽车股份有 限公司共对外投资了28家企业，参与招投标项目1263次，财产线索方面有商标信息676条，专利信息 5000条，此外企业还拥有行政许可95个。 声明：市场有风险，投资需谨慎。本文为AI基于第三方数据生成，仅供参考，不构成个人投资建议。 财经频道更多独家策划、专家专栏，免费查阅>> 国家知识产权局信息显示，北京新能源汽车股份有限公司申请一项名为"直流充电系统及其充电方法"的 专利，公开号CN 120773609 A，申请日期为2024年04月。 专利摘要显示，本申请涉及充电桩技术领域，特别涉及一种直流充电系统及其充电方法，系统包括：单 向AC/DC转换器，用于将交流电转换为直流电输出至直流母线，或双向AC/DC转换器，用于将交流电 转换为直流电输出至直流母线和传输车辆的馈电至交流电网；多个直流充电终端，用于获取直流母线输 出的直流电，并按照车辆的补能需求将直流电转换为满足预设电压范围的直流电为车辆充电；计算组 件，用于 ...