Rotatable Work Light Layout for Battery Protection and Wider Beam Range
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Solution Overview
Problem
Existing lighting devices expose the battery to the outside, compromising its protection and limiting the rotatable range of the lighting part, which in turn restricts the light irradiation range.
Innovation Solution
The lighting device is designed with a battery mounting part on the upper side of the first base, protected by the first and second bases, and the connecting part between the lighting part and the second base is positioned above the battery, allowing the lighting part to rotate without interference, thus expanding the rotatable and light irradiation range.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the battery is mounted to the lower end of the body, then the lighting part can be rotatably mounted to widen light irradiation range, but the battery is exposed to the outside and not sufficiently protected
Solution Approach 1:
The patent changes the spatial arrangement from the conventional lower-end battery mounting to an upper-side battery mounting arrangement. By positioning the battery on the upper side of the first base rather than the lower end, the battery becomes protected by the first and second bases while the lighting part can still rotate around a horizontal axis to provide wide light irradiation range.
2Device complexity
If the battery is mounted to the lower end of the body, then the structure is simple, but the battery is exposed to the outside and not sufficiently protected
Solution Approach 1:
The patent merges the battery mounting function with the protective enclosure structure. The first base and second base are configured to extend and position the battery mounting part such that the battery is housed within the protective space formed by these bases, combining structural support and protection functions.
3Volume of moving object
If the connecting part is positioned below the battery, then the structure is compact, but the lighting part interferes with the battery when rotated, limiting rotatable range
Solution Approach 1:
The patent positions the connecting part above the battery in the vertical dimension, creating spatial separation between the rotating lighting part and the stationary battery. This vertical arrangement allows the lighting part to rotate through a wide range around a horizontal axis without the connecting part interfering with the battery positioned below it.
Data Source
AI summary
A lighting device includes a first base having a fixing part, a second base extending from the first base, a battery mounting part, and a lighting part that is connected to the second base so as to be rotated around a first rotational axis crossing an extending direction of the second base. When an up-down direction is defined where a side of the first base on which the fixing part is located is defined as a lower side and a side of the first base on which the second base is located is defined as an upper side, the extending direction of the second base is a direction upward from the first base. The battery mounting part is configured such that the battery is arranged on the upper side of the first base. A connecting part between the lighting part and the second base is arranged above the battery.