Layered Thermal Insulation Assembly for Stage Luminaire Lens
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Solution Overview
Problem
Stage luminaires used outdoors or in humid environments face issues with oil stain and water mist condensation on optical lenses, leading to reduced light output and requiring frequent maintenance.
Innovation Solution
A lens oil and mist prevention device featuring a layered thermal insulation assembly with thermal insulation glass and a disk, which creates thermally insulating temperature division zones to reduce temperature differences and prevent condensation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a full-sealed structure is used to prevent oil stain and water mist accumulation, then waterproof performance is improved, but condensation of oil vapor and water vapor occurs inside the lamp due to temperature differences
Solution Approach 1:
The lamp head is divided into multiple temperature zones using thermal insulation glass plates. The first thermal insulation glass plate is positioned between the light source and the optical lens, creating distinct thermal regions that control heat distribution and prevent condensation while maintaining the sealed structure.
Solution Approach 2:
Thermal insulation glass plates are introduced as intermediary elements between the light source and the optical lens. These plates act as thermal mediators that control heat transfer, creating temperature division zones that prevent condensation of oil vapor and water vapor on the optical lens surface.
2Object-affected harmful factors
If airflow circulation is used to discharge oil vapor and water vapor, then light emerging effect is improved, but the structure becomes complicated with additional air blowing devices and air guiding devices
Solution Approach 1:
The airflow circulation system including air blowing devices and air guiding devices is completely removed from the lamp structure. Instead, thermal insulation glass plates are used to create temperature division zones that passively prevent condensation, eliminating the need for complex active airflow control systems.
Solution Approach 2:
The thermal insulation glass plates automatically create temperature division zones that prevent condensation without requiring external power sources or control systems. The structure serves itself by using the natural thermal properties of the glass plates to maintain optimal temperature distribution and prevent harmful condensation.
3Object-affected harmful factors
If thermal insulation glass plates are positioned close to the optical lens, then temperature difference is reduced and condensation is prevented, but the lamp head size increases
Solution Approach 1:
The thermal insulation glass plates are positioned in the optical path between the light source and the optical lens, utilizing the existing spatial dimension of the light transmission path. This approach prevents condensation by controlling temperature distribution along the optical axis without requiring additional lateral space that would increase the overall lamp head volume.
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
The solution effectively prevents oil mist and water vapor condensation by achieving heat balance inside and outside the lens, improving light output and reducing maintenance needs, while also simplifying the luminaire's structure and reducing costs.
Implementation Method 1
a layered thermal insulation assembly disposed under the optical lens, including: a layered thermal insulation disk and one or more pieces of thermal insulation glass
Implementation Method 2
a plurality of stages of thermally insulating temperature division zones are formed in the layered thermal insulation disk
Data Source
AI summary
The present invention discloses a lens oil and mist prevention device, including an optical lens and a layered thermal insulation assembly, wherein the layered thermal insulation assembly includes a layered thermal insulation disk and thermal insulation glass; and the thermal insulation glass is fixed in the layered thermal insulation disk in a layered interval arrangement in a light emerging direction, and the optical lens is disposed in a direction of a front end of the thermal insulation glass. In the present invention, natural generation and accumulation of oil stain and water mist in a lamp are eliminated from the source by means of a way that heat balance is achieved inside and outside the lens and the temperature difference is reduced, while designing a multi-layer thermal insulation zone as needed to gradually lower the temperature, and the oil and mist prevention effect is significantly better.