Multi-wire quick assemble tree
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Solution Overview
Problem
Existing artificial Christmas trees require rotational alignment of trunk sections for electrical connection, which is frustrating and time-consuming, and do not offer versatile lighting options beyond traditional white or multicolored string lights.
Innovation Solution
A power transfer system with four electrical contacts and clutch elements that allow near 360° alignment and secure connection of male and female ends, enabling easy assembly and use with LED light strings, including RGB LEDs, without the need for precise rotational alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional two-prong electrical connectors are used in trunk sections, then electrical connection is achieved, but rotational alignment is difficult and time-consuming
Solution Approach 1:
The electrical connector is segmented into multiple independent contacts (at least four electrical contacts) arranged radially around a central axis. This segmentation allows each contact to independently engage with its corresponding prong regardless of rotational position, eliminating the alignment problem of traditional two-prong connectors.
Solution Approach 2:
The electrical connection system transitions from a two-dimensional planar connector to a three-dimensional radial arrangement. By distributing multiple electrical contacts radially around the central axis, the system accepts prongs from any rotational orientation, adding a dimensional aspect that enables universal compatibility.
2Adaptability or versatility
If multiple electrical contacts are used to support LED lighting, then lighting versatility is improved, but connector complexity increases
Solution Approach 1:
The multi-contact electrical connector serves multiple functions simultaneously: it provides power delivery, supports various LED lighting configurations (including RGB LEDs), and maintains mechanical connection. This universal design allows a single connector type to handle diverse lighting requirements without needing specialized connectors for each lighting scenario.
Solution Approach 2:
The electrical connector merges multiple functions into a single integrated component: electrical contact, mechanical coupling, and alignment guidance. By combining these functions in one structure, the system achieves versatility for multiple lighting types without proportionally increasing overall system complexity.
3Ease of operation
If radial electrical contacts are used, then rotational alignment is no longer needed, but manufacturing precision requirements increase
Solution Approach 1:
The electrical contacts are arranged asymmetrically in radial positions around the central axis rather than in a symmetric linear arrangement. This radial asymmetry naturally distributes contacts across different angular positions, allowing the connector to accept prongs from any rotational orientation while maintaining consistent electrical contact.
Solution Approach 2:
The connector design incorporates built-in tolerance compensation through the radial arrangement of multiple contacts. Even if individual contacts have slight manufacturing variations, the radial geometry provides multiple engagement points that ensure reliable electrical connection across a range of rotational positions and manufacturing tolerances.
Data Source
AI summary
A power transfer system to facilitate the transfer of electrical power between tree trunk sections of an artificial tree is disclosed. The power transfer system can advantageously enable neighboring tree trunk sections to be electrically connected without the need to rotationally align the tree trunk sections. Power distribution systems can be disposed within the trunk sections. The power distribution systems can comprise a male end, a female end, or both. The male ends can have prongs and the female ends can have voids. The prongs can be inserted into the voids to electrically connect the power distribution systems of neighboring tree trunk sections. In some embodiments, the prongs and voids are designed so that the prongs of one power distribution system can engage the voids of another power distribution system without the need to rotationally align the tree trunk sections.