Guangdong Oppo Mobile Telecommunications Corp., Ltd.

Electric Power Research Institute, China Southern Power Grid

Shanghai Huaming Power Equipment Co., Ltd

Xi Zhang

Bo Yan

Yi Xiao

Qiang Zhu

Linjie Zhao

Jiahui Yang

Zongming He

Ruihai Li

Lianwei Bao

Wenhao Li

Shuaibing Wang

Yichang Li

Yao Yuan

A background image generation method, a non-transitory computer-readable storage medium and an electronic device. The background image generation method includes: acquiring a first image, searching a second image matching the first image in a preset image library; and performing a color-modulation process on the second image according to the first image, and generating a background image. The user's personalized demands regarding a background image are satisfied, and time and hardware costs for obtaining a background image are reduced.

Background image generation method and apparatus, storage medium, and electronic device

Disclosed are a passive triggered-power electronic tap-changer device and a contact device. The power electronic tap-changer device comprises: two taps, a main contact, two auxiliary contacts, two trigger contacts, an output terminal, two thyristors, and four voltage divider resistors, which can achieve the passive triggering of a power electronic switch by means of controlling the auxiliary contacts and the trigger contacts. Provided in the present invention is a contact device for the passive triggered-power electronic tap-changer, comprising: at least two stationary contacts, a main contact, two thyristor trigger contacts, two thyristor auxiliary contacts, and a drive shaft, wherein the main contact, the thyristor trigger contacts, and the thyristor auxiliary contacts are fixed to the drive shaft, the contact device can switch the power electronic switch to different stationary contacts by means of controlling the rotation of the drive shaft, and maintains the switching time sequence of passive triggering.

Passive triggered-power electronic tap-changer device and contact device

Growing community of inventors

Guangdong, China

Xi Zhang