text: Original by Dongchedi Li Shuaifei
[Original by Dongchedi Industry] Recently, according to the announcement released by the official website of National Intellectual Property Office, a patent application called " electric vehicle high-voltage device and electric vehicle" submitted by Xiaomi Automobile Technology Co., Ltd. (hereinafter referred to as "Xiaomi Auto") was officially authorized.
Picture source: State Intellectual Property Office
It is understood that the patent was submitted for application on July 22, 2022 and is a utility model patent. Patent summary shows that the patent relates to the field of vehicle technology, and in particular to an electric vehicle high-voltage device.
Specifically, the electric vehicle high voltage device includes: an electric drive axle module, an filter , a first capacitor , a first inductance , a first switch, a second switch, a third switch and a fourth switch. According to the heating command, the on-off states of the first switch, the second switch, the third switch, and the fourth switch are controlled to heat the battery; according to the charging command, the on-off states of the first switch, the second switch, the third switch, the fourth switch and the working state of the electric drive axle module are controlled to charge the battery.
Xiaomi Auto said that through this solution, the cost of electric vehicles can be reduced and the convenience of electric vehicles can be improved.
Image source: Xiaomi Auto
Dongchedi noticed that on October 14, the patent for "a power supply component and charging pile" submitted by Xiaomi Auto was officially authorized. This patent can provide a wide range of applications, stronger versatility and more convenient use by setting up a socket connected in parallel with the charging gun.
In fact, since Lei Jun announced the construction of car, Xiaomi Auto has been applying for relevant patents in the process of technology development. The latest information from the Qichacha website shows that Xiaomi Auto has submitted more than 300 patent applications, of which more than 90 have been officially authorized.
Image source: Xiaomi official website
It is worth mentioning that Xiaomi Automobile also obtained the copyright of a number of software not long ago, which mainly involves autonomous driving related fields, including "traffic sign detection system with air-to-ground combination", "multi-model fusion street scene segmentation system", "lane line detection system", "cross-frame deep learning product-based tool chain system", "high-precision map browser software", "high-precision map editor software", "3D car frame labeling software", etc.