金融界2025年7月14日消息,国家知识产权局信息显示,青岛海信日立空调系统有限公司申请一项名为“一种空调器”的专利,公开号CN120292688A,申请日期为2024年01月。专利摘要显示,本发明公开一种空调器,其包括无传感器估算器、控制器、压缩机或风机及与其连接的逆变器;压缩机或风机由永磁同步电机驱动,配置有转速观测器,用于观测转子转速;无传感器估算器用于估算转子的观测角度;控制器分别与逆变器...
Source Link金融界2025年7月14日消息,国家知识产权局信息显示,青岛海信日立空调系统有限公司申请一项名为“一种空调器”的专利,公开号CN120292688A,申请日期为2024年01月。专利摘要显示,本发明公开一种空调器,其包括无传感器估算器、控制器、压缩机或风机及与其连接的逆变器;压缩机或风机由永磁同步电机驱动,配置有转速观测器,用于观测转子转速;无传感器估算器用于估算转子的观测角度;控制器分别与逆变器...
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