South China Normal University

Electric Power Research Institute of Guangdong Power Grid Co., Ltd.

Zhuoye Chuangyi Co., Ltd.

Huawei Technologies Co., Limited

Yong Huang

Yang Liu

Jing Huang

Jie Sun

Hongyong Huang

Xian Yang

Zhuding Zhang

Zhiyou Guo

Lei Wang

Min Guo

Weiyang Wang

Qi Liu

Bing Zhao

Ling Zhu

Keliang Zhang

Bo Gong

Enze Zhou

Huiqing Sun

Huiqing Shun

Zhangquan Rao

Xiaoguang Zheng

Xiang Tian

Shunyu Yao

Ruizeng Wei

Shuqin Liu

Xinyan Yi

Guoxiong Cheng

Xiaomin Sun

Xuancong Fang

Lingmeng Fan

Disclosed are a three-dimensional wildfire monitoring and control system and method for a power transmission corridor. The system includes: a wildfire-induced trip risk assessment module, for assessing, when a wildfire is detected in a power transmission corridor, a wildfire-induced trip risk in real time so as to determine whether to issue a wildfire warning; an online wildfire monitoring device layout planning module, for generating an online wildfire monitoring device layout plan for transmission lines based on the wildfire-induced trip risk, a blind spot of satellite monitoring and importance levels of the transmission lines; and a three-dimensional power transmission corridor wildfire monitoring and warning module, adopting multi-source satellites and drones, and realizing three-dimensional wildfire monitoring of the power transmission corridor by monitoring through online wildfire monitoring devices provided according to the layout plan, the multi-source satellites and the drones.

Three-dimensional wildfire monitoring and control method and system for power transmission corridor

Charging box for wireless earphones

A visible light communication LED having a spiral inductance coil and a circular core is provided, comprising a sapphire substrate provided with a positive electrode welding spot and a negative electrode welding spot, and a plurality of LED cores deposited on the sapphire substrate. The negative electrode of a former core is connected with the positive electrode of a latter core, and the positive electrode of the first core and the negative electrode of the last core are respectively connected to the positive electrode welding spot and the negative electrode welding spot on the substrate. According to the present invention, each of the LED cores is surrounded by a spiral inductance coil, and a pin of one end of the spiral inductance coil is connected via a connecting wire with the negative electrode of an adjacent LED core, while the other end is directly connected with the positive electrode of the LED core that is surrounded by the spiral inductance coil.

Visible light communication LED having a spiral inductance coil and a circle core and preparation method thereof

A visible light communication emission device with improved response frequency is provided, comprising a substrate, wherein an inductance coil module is provided on the substrate, a LED chip matrix formed by series connection of a plurality of LED chips is provided on the inductance coil module, and the inductance coil module and the LED chip matrix are connected in series, wherein inductance value L of the inductance coil module is configured to be: L=1/(&#x3c9;C), with C representing capacity in the device provided by LED chips and &#x3c9; representing frequency, wherein the inductance coil module comprises more than one inductance coil whose composition materials from inside to outside are successively Cr, Al, Cr, Ti, and Ag.

Visible light communication emission device with improved response frequency

Growing community of inventors

Guangdong, China

Yong Huang