Early warning method when automobile closes at high speed and early warning device

Abstract

The invention discloses an early warning method when an automobile closes at high speed and an early warning device. The method comprises the following steps: when the automobile drives at high speed, a navigation signal of a global navigation satellite system defines drive parameter information of the automobile, wireless net receives the drive parameter information of circumambient automobiles, the two drive parameter information are sent into a danger assessment unit, and the danger assessment unit judges whether the danger is existed to send an early warning signal. The device comprises a receiving module of the global navigation satellite system, a warless communication module, the danger assessment unit and a warning display device. The invention is the early warning method when the automobile closes at high speed and the early warning device, having simple and compact structure, low cost, convenient installation, wide application range and high safety.

Description

technical field [0001] The invention mainly relates to the field of intelligent transportation, in particular to an early warning method and early warning device when a vehicle approaches at high speed. Background technique [0002] Along with popularizing of vehicles such as automobiles, serious problems caused by traffic accidents follow. Traffic accidents not only cause direct property losses, but also pose a huge threat to human life safety. Therefore, people pay more and more attention to the safety performance of automobiles, and it is also the focus that automobile manufacturers have been emphasizing in recent years. Many manufacturers have carried out a large number of continuous efforts on active safety and passive safety in recent years. research to maximize safety. In terms of active safety, the improvement of visual conditions, the reduction of interior noise, the legibility of interior instruments and alarm signals, the smoothness of driving, good handling, AB...

AI Technical Summary

Problems solved by technology

This obviously cannot meet the safety warning needs of high-speed vehicles

[0009] 2. The installation method is complicated

The installation is relatively complicated, and even the shape of the car body needs to be changed, and the sensing device is easily polluted, which affects the detection accuracy and the effect is not good

[0010] 3. The detection object is unknown

For the vehicle distance detection method by transmitting beams and receiving echoes, the type and nature of the measured object cannot be detected, which often leads to false alarms

[0011] 4. Poor environmental adaptability

Most sensors cannot work in harsh environments such as heavy rain, heavy fog, and strong electromagnetic interference, and cannot provide all-weather safety warnings

[0012] 5. The detection range is limited

It can only detect vehicles traveling in the same direction, but it is difficult to detect vehicles traveling sideways

[0013] 6. The price is expensive

The detection system often requires one or several sets of expensive sensors, which can only be used in high-end vehicles and is difficult to popularize

[0014] 7. Slow response time

Existing detection methods generally involve complex data fusion algorithms or image processing algorithms, and the response time is slow, which cannot meet the needs of real-time early warning

Images