Patent ID: 11904865
Assignee: CHANG'AN UNIVERSITY
Field: Control (Instruments)
Classification: CPC B  G | IPC B

Claim 6:
7. The intelligent safe vehicle speed measurement system capable of considering the state of the road surface according to claim 1, wherein the skid resistance prediction unit comprises an infrared temperature gun, a road surface water film thickness measuring instrument, an aerovane, a road surface snow thickness measuring instrument, a road surface ice thickness measuring instrument, a near-road-surface humidity sensor, and a visibility meter, wherein the infrared temperature gun, the road surface water film thickness measuring instrument, the road surface snow thickness measuring instrument, the road surface ice thickness measuring instrument, and the near-road-surface humidity sensor are located at an inner side of the windproof and anti-collision bracket; and the aerovane and the visibility meter are located at two ends of a crossbeam in the laser scanning unit, respectively; and
wherein the infrared temperature gun, the road surface water film thickness measuring instrument, the aerovane, the road surface snow thickness measuring instrument, the road surface ice thickness measuring instrument, and the near-road-surface humidity sensor are configured to obtain the environmental parameters of the road surface, and transmit the environmental parameters to a computer in the laser scanning unit for processing.