Vehicle Side Mirror Assembly Sensor Integration

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Solution Overview

Problem

Conventional vehicle side mirror assemblies either lack internal sensors for environmental detection or have non-adjustable mirror glass due to the presence of a sensor in the mirror housing.

Innovation Solution

A vehicle side mirror assembly design where a sensor is non-rotatably attached to a base member, with an actuator within the mirror housing controlling the position of the mirror assembly, allowing for adjustable mirror glass without moving the sensor.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a sensor is integrated into the mirror housing, then environmental detection capability is improved, but mirror glass adjustability deteriorates

Engineering Contradiction:
Improveenvironmental detection capabilityVSAvoidmirror glass adjustability
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The system is divided into independent functional modules: the sensor is fixed to the base member while the mirror assembly is separately mounted on the mirror housing. This segmentation allows the sensor to remain stationary for stable environmental detection while the mirror assembly can be independently adjusted without interfering with sensor positioning.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If the mirror glass is made adjustable, then viewing flexibility is improved, but sensor visibility and stability deteriorate

Engineering Contradiction:
Improveviewing flexibilityVSAvoidsensor visibility and stability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The sensor is extracted from the movable mirror housing structure and mounted directly on the stationary base member. This extraction ensures the sensor maintains a fixed, stable position with unobstructed visibility, while the mirror assembly remains free to adjust for flexible viewing angles.

Inventive Principle:
Principle #2Taking out (Extraction)

3Device complexity

If the sensor is mounted on the mirror housing, then integration is improved, but adjustment range is limited

Engineering Contradiction:
Improveintegration levelVSAvoidadjustment range
Core Design Contradiction:
Device complexityVSArea of moving object

Solution Approach 1:

The system separates the sensor mounting (on base member) from the mirror assembly mounting (on mirror housing). This segmentation enables the mirror assembly to achieve a broader adjustment range without being constrained by sensor positioning requirements, while the sensor remains independently integrated into the base structure.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS11465562B2Vehicle side mirror assembly
Publication Date: 2022.10.11 NISSAN MOTOR CO LTD
  • US11465562B2 patent drawing
  • US11465562B2 patent drawing
  • US11465562B2 patent drawing

AI summary

A vehicle side mirror assembly includes a base member configured to be attached to a vehicle. A sensor is non-rotatably attached to the base member. A mirror housing is connected to the base member. An actuator is disposed within the mirror housing. A mirror assembly is connected to the actuator such that movement of the actuator controls a position of the mirror assembly.