Floating ball type emergency flood depth measuring device

The invention relates to a floating ball type emergency flood depth measuring device which comprises an upper hemispherical shell, a lower hemispherical shell, a hemispherical solar panel, an anti-collision spherical shell and a sealing plate, the upper hemispherical shell and the lower hemispherical shell are movably fixed together, the hemispherical solar panel is fixed to the upper hemispherical shell, and the anti-collision spherical shell is fixed to the lower hemispherical shell. The anti-collision spherical shell is fixed on the lower semispherical shell, the sealing plate is fixed in the lower semispherical shell, a solar power generation device, a GPS module, a central processing unit, an ultrasonic probe and a wireless transmitting module are arranged in the lower semispherical shell, and the solar power generation device is connected with the semispherical solar panel. The device is small in size, light in weight and low in cost, submerging depth data can be accurately, automatically and efficientl