Solder-Free Linear Light With Conductive Spring Connector

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Solution Overview

Problem

Existing strip lights for cabinets require soldering and are not easily customizable in length, making them inconvenient for users and prone to damage during replacement.

Innovation Solution

A solder-free linear light design featuring a conductive connector with a control main board and conductive spring pieces, allowing for detachable connection to a linear light main body with a conductive guide rail, enabling easy assembly, disassembly, and customization of length.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If leads are soldered in an integrated structure, then electrical connection reliability is improved, but ease of replacement and customization is worsened

Engineering Contradiction:

Improveelectrical connection reliabilityVSAvoidease of replacement

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The linear light is divided into modular segments with standardized connectors. Each segment can be independently replaced by disconnecting the connector, eliminating the need to remove the entire light strip. This segmentation maintains electrical connection reliability through standardized connector designs while dramatically improving ease of replacement and customization.

Inventive Principle:

Principle #1Segmentation

2Reliability

If the entire light must be removed for replacement, then connection integrity is maintained, but time consumption and labor are increased

Engineering Contradiction:

Improveconnection integrityVSAvoidreplacement time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

Inventive Principle:

Principle #1Segmentation

3Ease of manufacture

If manufacturer customization is required, then production control is improved, but user convenience and adaptability are worsened

Engineering Contradiction:

Improveproduction controlVSAvoidlength customization

Core Design Contradiction:

Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The linear light is divided into modular segments with standardized connectors. Users can freely combine different numbers of segments to achieve desired lengths without requiring manufacturer customization. This segmentation maintains production control through standardized manufacturing processes while dramatically improving user convenience and adaptability.

Inventive Principle:

Principle #1Segmentation

4Reliability

If soldered connections are used, then electrical connectivity is ensured, but ease of assembly and disassembly is worsened

Engineering Contradiction:

Improveelectrical connectivityVSAvoidease of assembly

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The patent replaces traditional soldered electrical connections with a mechanical connector system. The connector includes contact pieces that electrically connect between the conductive guide rail and control main board through mechanical insertion rather than soldering. This substitution maintains reliable electrical connectivity while dramatically improving ease of assembly and disassembly.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

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 solder-free design simplifies installation and replacement, reduces the risk of damage, and allows users to customize the length of the linear light, enhancing user experience and convenience.

Implementation Method 1

a conductive spring piece group connected to a main control board... when the conductive connector is connected to the linear light main body, the conductive spring piece group is connected to the conductive guide rail

Methodology Applied

Scientific EffectElasticity: Elasticity

Data Source

PatentUS12313251B2Solder-free linear light

Publication Date: 2025.05.27 ZHUO DAFENG

AI summary

A solder-free linear light includes a conductive connector. The conductive connector includes a control main board configured to electrically connect with an input wire; a conductive spring piece group connected to a main control board; and a linear light main body. The conductive connector is detachably connected to the linear light main body, the linear light main body comprising a conductive guide rail and a light-emitting element electrically connected to the linear light main body. when the conductive connector is connected to the linear light main body, the conductive spring piece group is connected to the conductive guide rail.