Safety warning sign capable of detecting moving objects and automatically alarming for warning

The present invention relates to a safety warning sign capable of detecting moving objects and automatically alarming for warning, is particularly suitable for use in protection and control work of power transmission line passage ways, and belongs to the technical field of on-line protection of power transmission lines. The safety warning sign comprises a warning sign body and legs which are arranged below the warning sign body. The warning sign body is provided with a rotatable and angle-adjustable solar power generation module and a detection control circuit. The detection control circuit comprises a storage battery connected with the solar power generation module, Doppler radar and a sound and light alarm module; the present invention can proactively detect the construction work occurring in the protection zone and give warning reminder, at the same time publicize the power safety knowledge. 本发明涉及种可侦测移动物体并自动报警予以提醒的安全警示牌，特别适用于输电线路通道的防护治理工作中使用，属于输电线路现场防护技术领域。包括警示牌本体及安装于警示牌本体下方的支腿，警示牌本体上安装有可旋转并且可调节角度的太阳能发电模块以