Waterproof Light Bulb Soft Glue Base and Stein Structure
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Solution Overview
Problem
Existing LED light bulbs, particularly those with LED strips, face issues with water ingress due to environmental factors, leading to damage and reduced functionality.
Innovation Solution
A waterproof light bulb design featuring a soft glue lamp base and stein structure with integrally formed metal leads, an encapsulating epoxy resin coating for the LED strip, and strategically placed resistors, which enhances sealing and electrical connectivity while simplifying production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional LED bulbs are used without enhanced sealing, then the structure is simple and production is easy, but water ingress occurs causing damage to the LED strip
Solution Approach 1:
The patent combines the sealing function with the electrical connection function by integrating the soft glue lamp base with the metal leads. The lamp base is injection-molded directly with the metal leads, merging the sealing structure and electrical connection structure into a single integrated component, thereby improving waterproof performance without proportionally increasing complexity
Solution Approach 2:
The patent uses composite materials including soft glue (silicone or rubber) for sealing, epoxy resin for encapsulation, and metal leads for electrical connection. These materials work together to provide both waterproofing and electrical functionality, resolving the contradiction between reliability and complexity
2Ease of manufacture
If separate components are used for sealing and electrical connection, then each component can be optimized independently, but the production process becomes complex and costly
Solution Approach 1:
The patent merges the sealing component (lamp base) and electrical connection components (metal leads) into a single injection-molded part. This integration simplifies the production process by reducing the number of assembly steps while maintaining reliable sealing through the continuous soft glue material and proper molding techniques
3Reliability
If the LED strip is left exposed, then the structure is simple, but water vapor causes misting and damage inside the bulb
Solution Approach 1:
The patent uses a soft glue lamp base made of silicone or rubber material that forms a flexible sealing barrier. This flexible shell prevents water vapor ingress while allowing for thermal expansion and contraction, providing reliable protection without requiring complex rigid sealing structures
Solution Approach 2:
The patent employs epoxy resin encapsulation coating on the LED strip, creating a protective composite structure. The epoxy resin forms a water-vapor barrier while maintaining the electrical and optical functionality of the LED strip, providing protection without significant structural complexity
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 water ingress, improves sealing, reduces production costs, and ensures reliable electrical connections, enhancing the durability and efficiency of the light bulb.
Implementation Method 1
soft glue lamp base and stein structure having a resilient waterproof action
Implementation Method 2
the LED strip is externally coated with an encapsulating layer, the encapsulating layer being an epoxy resin, a polyurethane modified epoxy resin, or a polyurethane resin
Data Source
AI summary
The invention involves the technical field of light bulbs, disclosing a waterproof light bulb comprising a lamp head and a bulb connected, a soft glue lamp base and a resilient waterproof stein structure, which connects to the lamp head and extends into the bulb. The stein structure comprises a first metal lead, a LED strip and a second metal lead in sequential electrical connection. The first and second metal lead are integrated with a soft glue light base, and are electrically connected with the lamp head. The soft glue light base is sealed tightly fitted with inside of the bulb mouth; the invention's benefits include: 1. The bulb features a soft glue lamp base with waterproof sealing and enhanced waterproof properties; 2. The improved stein structure sets detents on the first and second metal lead that are encapsulated with the LED strip, with simplified process and lower production costs.