Portable visual early warning device

The utility model discloses a portable visual early warning device. The device includes: central processing unit, receiving module, data transmission module and alarm module, receiving module is used for receiving train information to with train message routing to central processing unit, central processing unit is used for judging whether there is the early warning train, if then send alarm instruction to alarm module according to the advancing direction of each train of train information acquisition and the 2nd positional information and according to the positional information on advancing direction, the 2nd positional information and the construction operation ground that prestores, alarm module is used for according to received alarm instruction broadcasting alarm information, the data transmission module is used for establishhing with the early warning train and is connected to data transmission carries out. The utility model discloses based on construction operation ground positional information and tra