Vehicle Lighting Device with Detachable Light Modules
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Solution Overview
Problem
Existing lighting devices for vehicles require the replacement of both light sources and optic elements when switching between different light generating types, leading to increased complexity and cost in refitting.
Innovation Solution
The development of a lighting device with detachable light modules, each comprising a light source and a matched optic element, allowing for the use of a single lens across different light generating types, enabling simple and fast refitting by replacing only the light modules without needing to replace the lens.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a bulb light source is replaced by a light diode light source in the known lighting device, then the light generating type is changed, but all optic elements including the lens must be replaced as well
Solution Approach 1:
The lighting device is divided into separate functional modules: a replaceable light source module and a fixed optic element module. The light source can be changed independently from the lens and housing, allowing bulb-to-LED conversion without replacing the entire optical assembly.
Solution Approach 2:
The housing and lens are designed as universal components that can accommodate multiple light source types (bulb and light diode). The same housing structure supports different light generating types through standardized mounting interfaces, eliminating the need for separate housings for each light type.
2Adaptability or versatility
If all optic elements are replaced when changing light sources, then the lighting device can be adapted to different light generating types, but the refitting process becomes time-consuming and costly
Solution Approach 1:
The lighting device is divided into separate functional modules: a replaceable light source module and a fixed optic element module. The light source can be changed independently from the lens and housing, allowing bulb-to-LED conversion without replacing the entire optical assembly.
Solution Approach 2:
The housing is pre-designed with standardized mounting features and universal optical interfaces that anticipate future light source replacements. This preliminary design enables quick swapping of light sources without requiring complex adaptation work during the refitting process.
3Adaptability or versatility
If all optic elements are replaced when changing light sources, then the lighting device can accommodate different light generating types, but the costs increase
Solution Approach 1:
The housing and lens are designed as universal components that can accommodate multiple light source types (bulb and light diode). The same housing structure supports different light generating types through standardized mounting interfaces, eliminating the need for separate housings for each light type.
Solution Approach 2:
When replacing a light source, the expensive optic elements (lens, housing) are retained and reused, while only the relatively inexpensive light source is discarded. This recovery of valuable components significantly reduces refitting costs compared to replacing the entire assembly.
Data Source
AI summary
The invention relates to a lighting device for vehicles, particularly for tractors and trailers, with a housing to which light sources of differing light generating types can be exchangeably fastened in an installed state, wherein the light sources of differing light generating types are assigned at least one optic element for the formation of a light module, which is detachably connectable to a carrier frame of the housing, and which generated a defined light function, and wherein a single lens is placed in front of the light modules of differing light generating types in the installed state and the carrier frame.