The invention discloses an automatic adjusting system and method for an automobile rearview mirror, and belongs to the field of automobile safe driving. The method comprises the steps that the current position of the rearview mirror is recorded through an angle encoder; the steering switch is shifted to close the auxiliary contact of the steering switch; after receiving a turning switch auxiliary contact closing signal, the CPU drives the stepping motor to act to drive the rearview mirror to rotate to 1/3 of a preset maximum angle position; after receiving a steering signal of the steering wheel steering switch, the CPU drives the stepping motor to act to drive the rearview mirror to rotate to a preset maximum angle position; after the automobile finishes steering, the steering wheel steering switch is automatically or manually returned, the automobile steering lamp deflector rod is automatically reset, and after receiving a steering switch auxiliary contact recovery signal, the CPU delays for 1 second and then drives the stepping motor to act to drive the rearview mirror to recover to the current angle position recorded by the rearview mirror angle encoder. The limit of the rearview mirror can be automatically adjusted, and the original variable function of the rearview mirror is fully played.
一种汽车后视镜自动调整系统及自动调整方法,属于汽车安全驾驶领域,该方法为:利用角度编码器记录后视镜的当前位置;拔动转向开关使转向开关辅助触点闭合;CPU接收到转向开关辅助触点闭合信号后驱动步进电机动作带动后视镜转动到预设的最大角度位置的1/3;CPU接收到方向盘转向开关的转向信号后,驱动步进电机动作带动后视镜转动到预设的最大角度位置;汽车完成转向后,方向盘转向开关自动或手动回正,汽车转向灯拨杆自动复位,CPU接收到转向开关辅助触点恢复信号后,延时1秒后驱动步进电机动作带动后视镜恢复到后视镜角度编码器记录的当前角度位置。本发明可对后视镜进行自动极限调整,充分发挥后视镜的原有可变功能。
Automatic adjusting system and automatic adjusting method for automobile rearview mirror
一种汽车后视镜自动调整系统及自动调整方法
2024-12-10
Patent
Electronic Resource
Chinese
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
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