Waterproof Socket Plug Adaptor with Nested Transformer
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Solution Overview
Problem
Conventional electrical plugs lack a comprehensive waterproof solution for outdoor applications, particularly when used as chargers for devices like outdoor LED Christmas light strings and mobile phones, and existing multifunctional plugs do not adequately address the need for a waterproof transformer.
Innovation Solution
A waterproof socket, plug, and adaptor combination with a transformer that includes a housing, circuit assembly, electrical connection assemblies, fuses, and a waterproof transformer capable of converting AC voltage to DC voltage, featuring a sliding door and elastic conductors for secure and water-resistant electrical connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional electrical plugs are used for outdoor applications, then basic electrical connection is achieved, but waterproof protection is insufficient
Solution Approach 1:
The patent implements a nested waterproof structure where the inner plug is housed within an outer plug housing. The inner plug containing electrical components is nested inside the outer plug housing that provides waterproof protection. This nested arrangement achieves comprehensive waterproof protection while maintaining a compact and integrated design.
Solution Approach 2:
The plug is divided into distinct functional segments: the outer plug housing providing waterproof enclosure, the inner plug containing electrical components, sealing elements creating waterproof barriers, and connection assemblies. This segmentation allows each component to be optimized for its specific function while collectively achieving reliable waterproof protection.
2Adaptability or versatility
If multifunctional plugs with sockets are used, then versatility is improved, but waterproof capability for transformer and charging functions is inadequate
Solution Approach 1:
The outer plug housing serves multiple functions: it acts as a waterproof enclosure for the inner plug, provides structural support, enables waterproof connection when inserted into another outer plug housing, and creates a sealed environment for charging operations. This multi-functionality achieves versatile charging capability while maintaining robust waterproof protection.
Solution Approach 2:
The patent merges the waterproof enclosure function, electrical connection function, and charging function into a single integrated outer plug housing structure. By combining these functions, the design achieves versatile charging capability without compromising waterproof protection, as all functions operate within the sealed environment.
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 provides a reliable, waterproof charging solution for outdoor devices by ensuring secure and water-resistant connections, enabling the use of the combination as a charger for various outdoor applications, including LED lights and mobile phones, while maintaining electrical functionality.
Implementation Method 1
a waterproof transformer (50) in which the plug and adaptor combination can be used as a charger
Data Source
AI summary
A socket, plug, and adaptor combination includes a housing having a forward sliding door; an inverted L-shaped circuit assembly in the housing having a conductor mounting section in the vertical part; a transformer being concealed in the horizontal part of the circuit assembly in a waterproof way and adapted to electrically connect to a power cord; two electrical connection assemblies each disposed in the conductor mounting section and having a prong; a conductive assembly comprising two separate fuses disposed in the conductor mounting section, each fuse being electrically interconnected between the prong and the transformer; a cover releasably secured onto the circuit assembly and having two sockets distal the prongs; and a covering plate disposed between the transformer and the cover. The combination is applicable to be used as a charger for outdoor LED type Christmas light strings.