Reverse alarming radar and audible alarm method thereof

Abstract

The invention discloses a backing alarm radar and an audible alarm method thereof, consisting of a main controller module, ultrasonic distance monitoring modules, an LED light indicating module and a buzzer alarm module; wherein, the main controller module consists of a single chip microprocessor, a crystal oscillating circuit module and a download input interface module; the method is characterized in that the single chip microprocessor adopts AT89S51; the number of the ultrasonic distance monitoring modules are five, which are respectively arranged at the middle part, the left part, the right part, the left upper part and the right upper part of the tail part of the vehicle; the LED light indicating module is used for indicating the specific orientation of the obstacle. The invention not only can determine the distance between the tail of the vehicle and the obstacle, but also eliminates the blind area or dead angle for observation, thus greatly improving the safety when the vehicle is moved backward and providing great convenience for the backing operation of a driver; as a buzzer alarm is provided with three types of alarm sounds with distance prompt, the driver can grasp the distance between the tail of the vehicle and the obstacle, thus greatly avoiding the phenomenon of side swipe or collision.

Description

technical field [0001] The invention relates to a vehicle radar, in particular to a vehicle reversing alarm radar with an ultrasonic distance measuring function for a large truck so that the driver can monitor the situation behind the vehicle when the vehicle is reversing and a sound alarm method thereof. Background technique [0002] Every driver must face the problem of "parking" every day. For a parking space with a small space, the driver must have rich experience and skillful skills to smoothly put the car into a fixed position. Then unavoidably there will be the phenomenon of rubbing or colliding when reversing the car for the driver who lacks experience and adept skills. In order to avoid the occurrence of the aforementioned phenomenon, a reversing radar is installed at the rear of the vehicle. The reversing radar used in traditional vehicles only approaches obstacles at the rear of the vehicle and emits a buzzer to remind the driver to avoid hitting obstacles or othe...

AI Technical Summary

Problems solved by technology

In order to avoid the occurrence of the aforementioned phenomenon, a reversing radar is installed at the rear of the vehicle. The reversing radar used in traditional vehicles only approaches obstacles at the rear of the vehicle and emits a buzzer to remind the driver to avoid hitting obstacles or other obstacles. Vehicles, but because the distance and orientation of obstacles cannot be determined, its use effect is not ideal in practical applications

In order to solve the above-mentioned defects, some vehicles are equipped with a camera at the rear of the car. When reversing, the real-time image of the rear of the vehicle is captured by the camera and sent to the monitor in the cab, so that the driver can grasp the situation behind the car through the image in the monitor. In use, it is not ideal. The main defect is that there is a dead angle in the shooting range of the camera. Generally, the shooting angle of the camera is about 110 degrees, and the field of view outside the shooting range of the camera will not be known.

For the existing reversing radar, there are blind spots on the rear upper part and both sides of the vehicle, and obstacles in this position cannot be measured, which causes great inconvenience to the driver's driving

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