Vehicle Light Bar with Straight and Curved Frame
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Traditional light bars fail to fit well on modern pickup truck cabs, either being too far forward for straight designs or not matching the roof line for curved designs, and custom designs are impractical for manufacturing.
Innovation Solution
A lighting apparatus with a frame featuring a straight central portion and curved end portions, incorporating a mix of spot and diffuse light sources to provide improved illumination patterns, and mounting brackets for secure attachment to the truck's A-pillars, allowing for a universal fit on most modern full-size pickup trucks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a straight light bar design is used, then manufacturing is simple, but it does not fit well on modern pickup truck cabs as it sits too far forward
Solution Approach 1:
The light bar frame is divided into three distinct segments: a straight central portion and two curved end portions. This segmentation allows each portion to serve its specific function - the straight portion maintains manufacturing simplicity while the curved portions provide the necessary aesthetic fit to the cab roof line, resolving the contradiction between ease of manufacture and shape conformity.
Solution Approach 2:
Different portions of the light bar frame have different geometric qualities - the central portion is straight while the end portions are curved. This local differentiation allows the light bar to maintain simplicity where needed (central portion) while achieving proper fitment where required (end portions matching the cab roof line), thus resolving the contradiction between manufacturing ease and shape conformity.
2Shape
If a curved light bar design is used, then it matches the roof line better, but it sits too far forward and does not fit properly
Solution Approach 1:
The frame is segmented into straight and curved portions, allowing the curved end portions to match the aesthetic roof line while the straight central portion enables proper positioning and mounting on the cab, thus resolving the contradiction between aesthetic fit and proper positioning.
Solution Approach 2:
The light bar employs local quality by applying curvature only where aesthetic fit is needed (end portions) while maintaining straight geometry where proper positioning is critical (central portion), thereby achieving both aesthetic conformity and correct mounting position.
3Shape
If custom light bar designs are created for each truck model, then fitment is perfect, but manufacturing becomes impractical
Solution Approach 1:
The light bar frame design achieves universality by combining straight and curved portions in a configuration that can fit multiple modern full-size pickup truck models (Ford F-150, Chevrolet Silverado, GMC Sierra, Nissan Titan) without requiring custom designs for each model, thus resolving the contradiction between precise fitment and manufacturing practicality.
Solution Approach 2:
By applying curvature only at the end portions and maintaining a straight central portion, the design achieves adequate fitment across multiple truck models without requiring fully custom designs for each model, balancing fitment quality with manufacturing simplicity and universality.
4Area of stationary object
If only diffuse light sources are used, then illumination covers wide area, but light beams lack directionality and concentration
Solution Approach 1:
Different types of light sources are placed at different locations - diffuse light sources at the curved end portions for wide area coverage and spot light sources at the straight central portion for concentrated directional beams. This local differentiation resolves the contradiction between wide coverage and beam concentration by assigning each light source type to the location where its特性 is most beneficial.
Solution Approach 2:
The lighting system is segmented into different functional zones with different light source types - diffuse sources for peripheral wide-area illumination and spot sources for central concentrated beams, thereby achieving both wide coverage and high concentration in different spatial zones.
5Illumination intensity
If only spot light sources are used, then light beams are concentrated and directional, but illumination coverage area is limited
Solution Approach 1:
Spot light sources are positioned at the central portion where concentrated beams are needed for long-range illumination, while diffuse light sources are positioned at the end portions to expand coverage area, thereby achieving both beam concentration and wide coverage through strategic local placement of different light source types.
Solution Approach 2:
The lighting system segments spot and diffuse sources into different spatial zones - spot sources in the central region for concentrated coverage and diffuse sources at the periphery for area expansion, resolving the contradiction between beam concentration and coverage area through spatial segmentation.
Data Source
AI summary
A lighting apparatus includes a frame having a straight central portion and first and second curved end portions, a plurality of spot light sources mounted on the straight central portion and aligned parallel to each other, and a plurality of diffuse light sources may be mounted on each of the curved end portions.