A traffic detection sensor

Abstract

The invention discloses a traffic detection sensor which comprises a sensor component and a hard metal plate. The sensor component comprises a composite sheet, an upper copper electrode, a lower copper electrode, a lead and the hard metal plate, the upper copper electrode and the lower copper electrode are pasted on the upper surface and the lower surface of the composite sheet through super glue respectively, then a protective sealing material is sprayed, and the composite sheet is made of quantum-tunnel effect composite materials. The traffic detection sensor is small in size, can be directly mounted on a road surface without cutting the road surface to monitor traffic and has the advantages that the traffic detection sensor is convenient to mount without damaging the road surface, the traffic detection sensor is rapid in response and high in accuracy owing to ultrahigh compression sensitivity, and the like. In addition, compared with other detection technologies such as a microwave radar (vehicle speed measurement), a video image processer (vehicle regulation violation) and the like, the traffic detection sensor can simultaneously and integrally monitor traffic data such as vehicle speed, vehicle flow, lane occupancy rate and vehicle types, cost can be greatly saved, and the use ratio of the road surface is increased.

Description

technical field

[0001] The invention relates to a traffic detection system of an intelligent traffic management system, in particular to a traffic detection sensor. Background technique

[0002] The intelligent transportation system (ITS) is a comprehensive transportation and management system that functions in a wide range in real time, accurately, efficiently and in an all-round way. The traffic detection system is an important part of the intelligent transportation system, responsible for collecting traffic flow, vehicle speed, vehicle head Traffic data such as spacing, traffic density, and lane occupancy. At present, there are many types of sensors used to collect these traffic data in the traffic detection system, such as electrical sensors, magnetic sensors, photosensitive sensors, and acoustic sensors. Among these sensors, the induction loop detector is the most commonly used traffic detection sensor due to its mature technology, low price and good robustness to the ...

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