On April 10, it was learned from the official website of the State Intellectual Property Office that a few days ago, Huawei disclosed a window cleaning method, a window cleaning device and a vehicle patent, which can be applied in the field of intelligent driving. The authorization announcement number is CN112739583B. The patent abstract shows that this is an intelligent vehicle and a window cleaning device and a window cleaning method applied in the intelligent vehicle, which can be applied to the field of intelligent driving. Including car windows, detection devices and multiple ultrasonic transducers. It is understood that the vehicle window cleaning method includes: detecting the vehicle window through a detection device to obtain detection information; when it is determined that there are sundries on the glass according to the detection information, controlling the plurality of ultrasonic transducers to work to The glass is cleaned. By using a plurality of ultrasonic transducers to replace the wiper in the prior art to clean the glass, power consumption can be reduced and cleanliness can be improved. Baidu Encyclopedia data shows that the function of the ultrasonic transducer is to convert the input electrical power into mechanical power (ie, ultrasonic waves) and then transmit it, while consuming a small part of the power itself. It is reported that at the 2021 annual report conference in March this year, Guo Ping, then the rotating chairman of Huawei, said when talking about the smart car business that Huawei insisted on not .
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