Automobile anti-dazzling rearview mirror control system and method

Abstract

The invention relates to the field of automobile light control, and particularly discloses an automobile anti-dazzling rearview mirror control system and method, and the method comprises the steps that a collection module collects an illumination data set and stores the illumination data set into a data queue; a sorting module sorts the illumination data in the data queue from small to large according to the light intensity to obtain a light intensity sorting list; a screening module screens out two groups of illumination data groups in the middle of the data queue; a calculation module calculates an illumination average value of the screened illumination data set; and a processing module performs corresponding preset processing according to the illumination average value. Through the steps, the influence of transient strong and weak light on the judgment of the light intensity of the automatic anti-dazzling rearview mirror can be effectively avoided, so that the meaningless change ofthe reflectivity of the rearview mirror is avoided.

Description

technical field [0001] The invention relates to the field of light control for vehicles, in particular to a control system and method for an anti-glare rearview mirror of a vehicle. Background technique [0002] The anti-glare rearview mirror is composed of a special mirror, two photosensitive diodes and an electronic controller. The electronic controller receives the front light and rear light signals collected by the sensor and is installed under the front windshield of the car. The glare light intensity refers to the light intensity observed by the human eye after the rear car lights are reflected on the mirror surface of the anti-glare rearview mirror, which is collected by the glare sensor on the anti-glare rearview mirror control panel facing the rear . [0003] It can be divided into manual anti-glare rearview mirror and automatic anti-glare rearview mirror. This patent is aimed at automatic anti-glare rearview mirror. The mirror has a constantly changing anti-glare...

AI Technical Summary

Problems solved by technology

[0004] However, there is a major problem in the traditional control scheme, that is, invalid lighting data cannot be filtered, and the reflectivity of the anti-glare rearview mirror lens will change meaninglessly in complex lighting environments, such as the situation of transient strong and weak light outside. In this case, the control program will require the reflectivity of the anti-glare rearview mirror to be the lowest (completely black) or the highest (not discolored at all) according to the collected light intensity, resulting in meaningless changes

[0005] In the prior art, for example, the Chinese patent with the publication number CN108382308A discloses an anti-glare vehicle rearview mirror, which uses a magnetic field to control the rotation of a micron-level magnetic block to switch between high-reflection mirrors and low-reflection mirrors to achieve anti-glare function, but it does not solve the impact of transient strong light or weak light on the control program; another example is the Chinese patent with the publication number CN109466455A, which discloses an automatic anti-glare rearview mirror for new energy vehicles. The detection device corresponding to the liquid storage channel one by one, when the intensity of the reflected light entering the eye is greater than the detection light intensity on the front side of the vehicle, the corresponding liquid storage channel is energized to reduce the reflected light, so as to prevent the dazzling effect caused by local bright spots and will not affect The brightness of the rear view in other positions, but this invention also solves the impact of transient strong or weak light on the control program

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