Imaging System Gravity Center Optimization for Lens Protection
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Solution Overview
Problem
Imaging systems with wide-angle lenses, such as fisheye lenses, face challenges in maintaining lens surface integrity when dropped due to the lens projecting from the housing, and suffer from camera shake issues due to improper weight distribution, leading to instability during photography.
Innovation Solution
The design optimizes the weight distribution by ensuring the gravity center of the imaging system is biased towards the power supplier, reducing the likelihood of lens damage upon dropping and stabilizing the camera by aligning key components to minimize shake, without adding new components. This is achieved by strategically arranging the optical system and power supplier within the housing to satisfy specific gravity center and weight conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a wide-angle lens is used to increase the angle of view, then the imaging capability is improved, but the lens surface becomes more vulnerable to damage when dropped
Solution Approach 1:
The patent positions the power supplier (battery) as a counterweight component to balance the weight distribution caused by the protruding lens. By placing the power supplier at a specific location satisfying AP > BP (where AP is the distance from the optical system's gravity center to the overall gravity center, and BP is the distance from the power supplier's gravity center to the overall gravity center), the system creates a counterbalancing effect that reduces the risk of lens damage during dropping.
2Device complexity
If the optical system and power supplier are arranged linearly to simplify the structure, then the device complexity is reduced, but camera shake occurs during photography
Solution Approach 1:
The patent uses the power supplier as a counterweight to balance the optical system, creating a stable gravity center configuration. This counterbalancing arrangement reduces camera shake during photography while maintaining a relatively simple linear component layout, thus resolving the contradiction between structural simplicity and photography stability.
Data Source
AI summary
An imaging system includes an imaging body having an optical system and an imaging element, a power supplier configured to supply power to the imaging element, and a housing configured to hold the imaging body and the power supplier, wherein the optical system includes at least one optical element projecting from the housing, and a distance AP between a gravity center A of a portion including the optical system and a gravity center P of the entire imaging system and a distance BP between a gravity center B of the power supplier and the gravity center P of the entire imaging system satisfy the following condition.AP>BP