Waterproof Warning Whip Base Connector Design

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Solution Overview

Problem

Warning whips often experience wiring shorts due to limited space in the connector base and water ingress, which can cause electrical failures.

Innovation Solution

A warning whip assembly with a base featuring a stepped cavity to accommodate the whip and excess wiring, and a waterproof electrical connector assembly with a female and male RCA connector system, where the female connector is bonded to the base using a bonding agent and the male connector provides a waterproof connection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Use of energy by moving object

If wiring is extended through the base to power lights on the whip, then the whip can be illuminated, but water ingress into the base causes electrical shorts

Engineering Contradiction:
Improvelight illuminationVSAvoidelectrical system reliability
Core Design Contradiction:
Use of energy by moving objectVSReliability

Solution Approach 1:

The electrical connector assembly is extracted from the base cavity, allowing the wiring to connect to the whip without passing through the base structure. This eliminates the water ingress pathway while maintaining electrical connectivity for the light.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The electrical connector assembly serves as an intermediary component that provides waterproof electrical connection between the base and the whip. The connector's cavity receives the wiring and provides sealed connection points, preventing water from reaching the electrical components.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Use of energy by moving object

If excess wiring is allowed to extend through the base, then wiring can be connected to the light, but limited space in the base causes wiring to short

Engineering Contradiction:
Improvelight illuminationVSAvoidelectrical system reliability
Core Design Contradiction:
Use of energy by moving objectVSReliability

Solution Approach 1:

The electrical connector assembly is extracted from the base, providing a separate dedicated space for wiring connections. This removes the conflict between wiring space requirements and base structural constraints, preventing wiring shorts.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The electrical connector assembly extends outward from the base in a separate dimensional space. This allows excess wiring to be managed in the connector's cavity rather than competing for space within the base cavity, eliminating the shorting hazard.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Strength

If a threaded connector base is used to secure the whip, then the whip can be firmly mounted, but water can enter through the threaded aperture and cause shorts

Engineering Contradiction:
Improvemounting strengthVSAvoidelectrical system reliability
Core Design Contradiction:
StrengthVSReliability

Solution Approach 1:

The electrical connector assembly is extracted from the base mounting structure. This separates the electrical connection function from the mechanical mounting function, allowing the threaded base to provide secure mounting without creating water ingress pathways to electrical components.

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentUS8939635B2Waterproof warning whip base and connector
Publication Date: 2015.01.27 CHECKERS INDUSTRIAL PRODUCTS LLC
  • US8939635B2 patent drawing
  • US8939635B2 patent drawing
  • US8939635B2 patent drawing

AI summary

A warning whip assembly includes an elongate whip, a light, wiring, a base, and an electrical connector assembly. The elongate whip has first and second ends. The light is mounted to the first end of the warning whip. The wiring extends from the light to the second end of the warning whip. The base is connected to the second end of the warning whip. The electrical connector assembly includes a first connector portion connected to the base with a waterproof connection. The wiring is connected to the first connector portion. The electrical connector assembly also includes a second connector portion that is releasably connected to the first connector portion.