Receptacle Assemblies for Multi-Standard Trailer Compatibility
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Solution Overview
Problem
The incompatibility between tow vehicles and trailers with varying numbers of electrical connectors in vehicle-trailer wiring connector assemblies leads to difficulties in communicating electrical signals, requiring multiple receptacle assemblies for different trailers when using a newer tow vehicle with older trailers or vice versa.
Innovation Solution
A receptacle assembly and plug assembly configuration that accommodates different numbers of electrical connectors by including additional connectors outside of the SAE J2863 standard, allowing for flexible compatibility with both 7-way and 13-way systems, where the receptacle assembly has split connectors that can be electrically insulated and grouped to interface with various plug assemblies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a receptacle assembly is designed according to a fixed connector standard (e.g., SAE J2863), then it ensures proper electrical connection with trailers of the same standard, but it becomes incompatible with trailers using different numbers or configurations of electrical connectors
Solution Approach 1:
The receptacle assembly is divided into multiple independent receptacle connectors (first receptacle connector and second receptacle connector) that can be separately positioned and configured. Each connector can be independently insulated or exposed, allowing selective engagement with different plug connector configurations to accommodate various trailer types while maintaining reliable electrical connections.
Solution Approach 2:
The receptacle assembly incorporates movable or reconfigurable connector positioning mechanisms that allow the receptacle connectors to be adjusted between different positions. This dynamic configuration enables the same receptacle assembly to adapt to different plug assembly types (7-way or 13-way connectors) while ensuring proper electrical contact and connection reliability.
2Adaptability or versatility
If multiple receptacle assemblies are used to support different trailer configurations, then compatibility with various trailers is improved, but device complexity and the number of components required increases
Solution Approach 1:
The receptacle assembly is designed as a universal multi-functional unit that can interface with multiple types of plug assemblies (both 7-way and 13-way connectors) through its reconfigurable connector positions and insulation mechanisms. This single universal receptacle assembly replaces the need for multiple specialized receptacle assemblies, reducing component inventory while maintaining broad compatibility across different trailer configurations.
3Adaptability or versatility
If additional receptacle connectors are added to accommodate more connectors, then compatibility with 13-way systems is improved, but the risk of electrical interference and short circuits between connectors increases
Solution Approach 1:
The receptacle assembly incorporates insulation mechanisms (such as insulation barriers or insulating materials) that act as intermediaries between adjacent receptacle connectors. These insulation structures prevent unwanted electrical contact between connectors that may be positioned close together, thereby eliminating electrical interference and short circuit risks while allowing the assembly to accommodate multiple connectors for 13-way system compatibility.
Data Source
AI summary
A receptacle assembly includes a receptacle housing, a housing opening, a first receptacle connector, and a second receptacle connector. The receptacle housing includes a first cavity that extends from a first end to a central structure. The housing opening is defined at the first end. The first cavity and the housing opening are sized and shaped to enable insertion of a plug assembly constructed to comply with the Society of Automotive Engineers J2863 standard. The first receptacle connector includes a first portion that extends from the central structure into the first cavity. The second receptacle connector includes a second portion that extends from the central structure into the first cavity. The first and the second receptacle connectors are sized and are disposed such that they are configured to both be inserted into a single connector cavity of the plug assembly and such that they are electrically insulated from one another.