Connector Structure With Segmented Conductive Rubber Housing
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Solution Overview
Problem
Conventional connector structures for devices like motors and inverters in electric vehicles face challenges such as increased costs, complex bolt-fastening processes, and difficulties in ensuring insulation and electromagnetic shielding due to positional deviations and vibration, especially when using conductive rubbers for connection.
Innovation Solution
A connector structure that utilizes insulating housings with accommodation recessed sections for conductive rubbers, eliminating the need for bolts and aligning mechanisms, and incorporating surrounding walls for enhanced insulation, waterproofing, and electromagnetic shielding by compressing conductive rubbers between contact plate sections for reliable connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conductive rubbers are disposed on respective terminals for connection, then electrical connection is achieved, but insulation among the conductive rubbers becomes difficult to ensure
Solution Approach 1:
The connector housing is divided into separate accommodation recessed sections for each conductive rubber, with partition walls between them. This segmentation physically isolates adjacent conductive rubbers, ensuring insulation while maintaining electrical connection reliability.
Solution Approach 2:
The partition walls are strategically positioned only between adjacent conductive rubbers where insulation is needed, while maintaining overall connectivity. This local differentiation ensures insulation precisely where required without affecting other functional areas.
2Strength
If conventional bolt fastening is used to connect terminals, then connection strength is ensured, but cost increases and troublesome work is necessary
Solution Approach 1:
The invention replaces the mechanical bolt-nut fastening system with an elastic compression system. The elastic conductive rubbers provide continuous contact force, eliminating the need for bolts, nuts, and complex fastening operations while maintaining reliable electrical connection.
Solution Approach 2:
The elastic conductive rubbers self-generate the necessary contact force through their elasticity. When compressed between contact plate sections, they automatically maintain electrical connection without external fastening mechanisms, reducing manufacturing complexity.
3Device complexity
If male and female terminals are made to connect directly without conductive rubber, then connection is simpler, but terminals slide and abrade against one another by vibration
Solution Approach 1:
The elastic conductive rubbers serve as intermediary elements between the contact plate sections. They absorb vibration and prevent direct metal-to-metal contact, eliminating sliding and abrasion while maintaining electrical connection. This mediator approach preserves connection durability without significantly increasing structural complexity.
4Area of stationary object
If conductive rubbers are juxtaposed in close proximity for connection, then space is saved, but insulation among them becomes difficult to maintain
Solution Approach 1:
The connector housing is segmented into separate accommodation recessed sections with partition walls between adjacent conductive rubbers. This segmentation allows compact juxtaposition of conductive rubbers while maintaining insulation through the partition structures.
Solution Approach 2:
The conductive rubbers are nested within individual accommodation recessed sections of the housing. This nesting arrangement allows efficient space utilization while the housing structure provides inherent insulation between adjacent elements.
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
This solution reduces costs and labor, ensures reliable electrical contact, and maintains insulation and shielding properties even with positional deviations, preventing abrasion and ensuring effective connections without the need for precise flatness or bolt-fastening.
Implementation Method 1
conductive rubbers which are in contact with the respective contact plate sections and are accommodated in the respective accommodation recessed sections
Data Source
AI summary
A connector structure for device connection includes one connector provided on one device case and the other connector provided on the other device case The one connector includes an insulating housing having a plurality of accommodation recessed sections arrange in parallel, terminals having respective contact plate sections accommodated in the respective accommodation recessed sections, and the conductive rubbers which are in contact with the respective contact plate sections and are accommodated in the respective accommodation recessed sections. The other connector includes terminals respectively having contact plate sections which are pressed to be in contact with the respective conductive rubbers when the two cases are fixed to each other, and an insulating housing which accommodates the terminals.