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A ripple-based rearview mirror control system and method

A rearview mirror and ripple technology, which is applied in the field of ripple-based rearview mirror control system, can solve the problems of poor versatility and large control deviation of rearview mirror control technology, reduce the possibility of misjudgment, and shorten development Period, the effect of reducing control deviation

Active Publication Date: 2017-06-30
CHONGQING CHANGAN AUTOMOBILE CO LTD
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to provide a ripple-based rearview mirror control system and method, which can solve the problems of large control deviation and poor versatility of the existing rearview mirror control technology

Method used

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  • A ripple-based rearview mirror control system and method
  • A ripple-based rearview mirror control system and method

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0019] A ripple-based rearview mirror control system includes a rearview mirror control switch 1 , a single-chip microcomputer 2 , a motor drive module 33 , a rearview mirror 4 and a ripple detection and counting module 34 . The rearview mirror control switch 1 is a button or a touch button that triggers which mode the system enters. It can be such as the rearview mirror angle adjustment switch disclosed in CN 103640525 A. This patent document does not have an additional switch, but only by often pressing the switch to enter learning mode, etc. The rearview mirror control switch 1 is connected to the single-chip microcomputer 2, and when the rearview mirror control switch 1 is touched, a trigger signal is sent to the single-chip microcomputer 2, and the single-chip microcomputer 2 enters the realization of the corresponding function. This system integr...

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Abstract

The invention discloses a system for rearview mirror control based on ripples. The system comprises a rearview mirror control switch, a single-chip microcomputer, a motor driving module, a rearview mirror and a ripple detection counting module. The rearview mirror control switch is connected with the single-chip microcomputer, and the motor driving module is connected with a motor arranged in the rearview mirror. The motor driving module and the ripple detection counting module are integrated to a ripple detection counting and motor driving integrated circuit. A voltage modulation circuit and a control register are arranged in the ripple detection counting and motor driving integrated circuit, the voltage modulation circuit outputs supply voltage, the ripple detection counting module is in bi-directional connection with the control register, the control register is in output connection with the motor driving module, and the single-chip microcomputer is in communication connection with the control register through an SPI bus. The invention further discloses a method for rearview mirror control based on the ripples. According to the technical scheme, the problems of large control deviation and poor universality of an existing rearview mirror control technology are solved.

Description

technical field [0001] The invention relates to an automobile rearview mirror, in particular to a ripple-based rearview mirror control system and method. Background technique [0002] The purpose of the car rearview mirror is to achieve the rear view range expected by the driver. At present, the rearview mirror system is mainly divided into three categories: the first type of manual rearview mirror, which needs to manually adjust the angle of the rearview mirror; the second type of conventional electric rearview mirror, with a built-in motor, the switch is turned on, and the motor is energized to rotate to drive the rearview mirror. The mirror rotates to adjust the angle of the rearview mirror. This type of rearview mirror has the largest number of reserves; the third type of built-in sensor rearview mirror, the sensor can output angle or position signals, which is convenient for the controller to monitor and automatically adjust the angle of the rearview mirror. [0003] T...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60R1/07
CPCB60R1/07
Inventor 张鹏陈兴富徐瑛易纲王晓伟
Owner CHONGQING CHANGAN AUTOMOBILE CO LTD
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