Vehicle Headlight Cooling via External Extraction
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Solution Overview
Problem
Current headlight systems face challenges in achieving efficient cooling, leading to increased size and production costs, while also being sensitive to temperature fluctuations that affect the service life of micromirror components.
Innovation Solution
A vehicle headlight design that generates a cold cooling medium externally, using a detachable connection coupling and a micro-mirror arrangement within the headlamp housing, allowing for shared cooling systems among multiple headlights and efficient temperature control, including a condenser for dehumidification and a throttle valve for regulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If complex and precise cooling is implemented within the headlight, then cooling efficiency is improved, but installation space and production costs increase
Solution Approach 1:
The cooling generator is extracted from the headlight housing and placed in an external location (such as the vehicle engine compartment). Only the necessary cooling duct and detachable connection coupling remain within the headlight, significantly reducing installation space while maintaining cooling efficiency through the external cooling medium generation unit.
2Reliability
If complex and precise cooling is implemented within the headlight, then cooling efficiency is improved, but production costs increase
Solution Approach 1:
The complex cooling generator is extracted from the headlight assembly and positioned externally. This eliminates the need for expensive integration of cooling generation components within the headlight housing, reducing production costs while maintaining effective cooling through the duct system and detachable connections.
Solution Approach 2:
The external cooling generator can serve multiple headlights simultaneously, as well as other vehicle components requiring cooling. This multi-functionality reduces the overall cost per headlight unit and improves manufacturing economics through shared infrastructure.
3Reliability
If temperature control is not optimized, then service life of micromirror components decreases, but headlight size increases
Solution Approach 1:
The cooling generator is extracted from the headlight housing, reducing internal volume while maintaining effective temperature control of micromirror components through the external cooling system and thermal conductive connections via the detachable coupling.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design results in a smaller, cost-effective headlight system with improved cooling efficiency, extended service life of micromirror components, and reduced fogging issues, enabling multiple headlights to share a common cooling medium and reducing installation space and costs.
Implementation Method 1
The cooling channel (107) is thermally conductively connected to at least one heat source (102, 110), which is located inside the headlight housing (101)
Implementation Method 2
a condenser (115) for condensing water vapor, which is located inside the headlight housing and is thermally conductively connected to the cooling duct
Data Source
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AI summary
Vehicle headlight (100) comprising a headlight housing (101), at least one light source (102), at least one projection optic (104), at least one cooling channel (107), and a cooling medium. The at least one light source (102) is configured to emit light in the form of a light beam (105) towards the at least one projection optic (104) and to project a light image onto the road in front of the vehicle. The at least one light source (102) and the at least one projection optic (104) are located within the headlight housing (101). The at least one cooling channel (107) is thermally connected to at least one heat source and is configured to cool the heat source when the cooling medium flows through it. The at least one cooling channel (107) comprises at least one detachable coupling (108, 109) inserted into the cooling channel (107).