Multi-modal detection radar device

Abstract

The invention provides a multi-mode detection radar device which comprises a central processing module and an antenna module arranged in the central area of the tail end of a vehicle, the central processing module comprises a moving direction judging and switching unit, and the moving direction judging and switching unit has a low-distance analysis mode and a high-distance analysis mode; the antenna module is electrically connected with the central processing module, the moving direction judgment switching unit detects the advancing direction state of the vehicle, and when the vehicle is in an advancing state, the antenna module is made to be suitable for a low-distance analysis mode; when the vehicle is in a reverse state, the antenna module is adapted to a high-distance resolution mode. According to the invention, the antenna module is suitable for different distance analysis modes during driving blind spot detection (BSD) and reversing radar detection so as to meet the purposes and requirements under different driving states.

Description

technical field [0001] The invention relates to a multi-modal detection radar device, and more specifically, to a radar device that can detect the traveling direction state of a vehicle to automatically switch between high and low distance analysis modes. Background technique [0002] Reversing radar and Blind Spot Detection (BSD, Blind Spot Detection) are one of the common vehicle driving safety aids on the market. They are mainly composed of at least one antenna module 1 emitting at least one transmit signal. When the transmit signal encounters an object, A reflected signal will be reflected back to the antenna module 1 to detect the distance between the vehicle and the object or the speed of approaching / removing, and prompt the driver with information such as sound or light to avoid collision accidents. like figure 1 As shown, the general antenna module 1 is usually installed at the bumper at the rear of the vehicle to serve as a rear warning. However, the detection ran...

AI Technical Summary

Problems solved by technology

[0003] However, even if two antenna modules 1 have been used to form the detection area in the prior art, there will still be a detection blind area B not covered by it between the two sectoral areas A (especially in the middle of the two antenna modules 1)

Therefore, the reversing radar products on the market still often have collision accidents due to failure to detect the slender pole or railing directly behind the vehicle when reversing.

Although an antenna module with a larger detection range angle can be used to reduce the detection blind zone, this will increase the cost of the product, which is not a fundamental solution

Images