| abstract |
The invention discloses a timed and quantitative automatic surface rainwater runoff sampling device, which relates to a sampling device and comprises a plurality of sampling bottles and a box body, wherein a rainwater collection groove is arranged at the top of the box body, the bottom of the rainwater collection groove is communicated with a vertical self-flow pipe, the side wall of the top end of the vertical self-flow pipe is communicated with a flow guide pipe, a flow guide device is arranged in the vertical self-flow pipe, a turntable arranged in the box body is rotatably arranged on the outer wall of the vertical self-flow pipe, the outer edge of the turntable is meshed with a driving wheel, the driving wheel is arranged in the box body through a driving device, a plurality of limiting devices are uniformly arranged on the turntable, a monitoring device is also respectively arranged in each limiting device, and a positioning device for locking the position of the turntable is also arranged at the bottom of the turntable; the flow guide device, the driving device, the monitoring device and the positioning device are respectively connected with the controller; the surface runoff sampler can effectively sample surface runoff and achieves the purpose of automatic sampling in a timed and quantitative mode. |