Recessed Floor Light Galvanic Decoupling and Sealing
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Solution Overview
Problem
Recessed floor lights require cost-effective production while maintaining a high-quality appearance and ensuring effective sealing to prevent water penetration, especially in applications where they are part of roadways or floor coverings, and must withstand mechanical stress and varying weather conditions.
Innovation Solution
A recessed floor light design featuring a housing made of aluminum with a glass pane, a stainless steel closing ring, and a plastic receiving ring that separates and connects the housing and glass pane, allowing for the use of different materials and providing galvanic decoupling, along with a conical sealing ring for easy assembly and secure sealing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If different materials (stainless steel and aluminum) are used in the recessed floor light, then cost-effectiveness is improved, but galvanic corrosion between the materials occurs
Solution Approach 1:
A plastic receiving ring is introduced as an intermediary component between the aluminum housing and the stainless steel end ring. This plastic ring serves as a galvanic isolator, preventing direct contact between the dissimilar metals and thus eliminating galvanic corrosion, while still allowing the cost benefits of using multiple materials to be realized.
2Reliability
If a sealing ring is placed between the glass pane and housing, then sealing performance is improved, but assembly complexity increases
Solution Approach 1:
The sealing ring is integrated into the receiving ring structure, combining the sealing function with the mounting structure. This merging of functions maintains effective sealing between the glass pane and housing while reducing the number of separate components, thereby simplifying the assembly process.
3Stability of the object's composition
If the end ring encloses both housing and glass pane, then structural stability is improved, but manufacturing precision requirements increase
Solution Approach 1:
The plastic receiving ring acts as a flexible mounting structure that can accommodate minor variations in manufacturing tolerances. Its material properties allow it to deform slightly during assembly, making the system more tolerant of dimensional variations and reducing the stringency of manufacturing precision requirements while still providing structural stability.
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 design achieves a cost-effective and corrosion-resistant recessed floor light with enhanced sealing and mechanical durability, ensuring a secure seal and attractive appearance by using stainless steel and aluminum with a plastic receiving ring for galvanic decoupling and a conical sealing ring for easy assembly and effective sealing.
Implementation Method 1
A preferred embodiment provides galvanic decoupling of the housing and the end ring by the receiving ring made of plastic
Implementation Method 2
a conical sealing ring for easy assembly and secure sealing
Implementation Method 3
a stainless steel end ring which connects the housing and the glass pane and presses the sealing ring between the glass pane and the housing
Data Source
Figure 1~2
AI summary
Recessed floor light (1) with a housing (2) made of aluminium, which has a light emission opening (6), with a glass pane (7) for covering the light emission opening (6), a sealing ring (17) arranged between the housing (6) and the glass pane (7) and with a stainless steel end ring (15) which connects the housing (2) and the glass pane (7) and presses the sealing ring (17) between the glass pane (7) and the housing (2), wherein the end ring (15) surrounds the housing (2) and partially the glass pane (7), wherein a plastic receiving ring (24) is arranged between the housing (2) and the end ring (15), which connects and separates the two elements.