Terminal Block Cover Connector Layout for Compact Case Assembly
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Solution Overview
Problem
Existing terminal block units face an increase in case size due to the accommodation of both power and signal connectors, necessitating a redesign to prevent structural complexity and size expansion.
Innovation Solution
A terminal block unit design featuring a connector disposed inside a cover that closes an access hole, allowing for space-saving and simplified structure without the need for additional space within the case, and enabling easy assembly by connecting conductive members through the access hole.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the case is structured to cover the hood and accommodate the counterpart connector inside the case, then the signal connector and counterpart connector are fully protected and integrated, but the size of the case increases
Solution Approach 1:
The device is divided into two functional units: the signal connector assembly (with hood and counterpart connector) and the power connector assembly (with case). By segmenting the housing structure, the signal connector can be mounted on the power connector housing without requiring the case to expand, thus maintaining compact case size while ensuring connector protection through the hood structure.
Solution Approach 2:
The counterpart connector is positioned within the hood structure of the signal connector, creating a nested arrangement where the counterpart connector fits into the protruding hood without requiring additional case volume. This nesting approach allows full integration and protection while suppressing case size increase.
2Reliability
If the case is enlarged to accommodate both power and signal connectors with full protection, then all connectors are fully integrated and protected, but the structural complexity and assembly difficulty increase
Solution Approach 1:
The signal connector and power connector are merged into a single integrated assembly where the signal connector is mounted directly on the power connector housing. The hood structure serves dual purposes: protecting the signal connector and providing a mounting platform for the counterpart connector, thereby reducing overall structural complexity while ensuring full integration.
Solution Approach 2:
The hood structure performs multiple functions: it protects the signal connector from environmental factors, provides structural support for the counterpart connector, and enables compact integration without requiring separate protective housings. This multi-functionality reduces the number of separate components and simplifies the overall structure.
Data Source
AI summary
A terminal block unit including: a terminal block; a case having the terminal block disposed thereinside, wherein: the terminal block includes a bus bar, a connection terminal that is separate from the bus bar, and a main body that holds the bus bar and the connection terminal, and the case has an access hole that enables access to the bus bar; and a cover that closes the access hole, wherein: the cover includes a connector disposed inside the cover, and the connector includes a conductive terminal configured to be electrically connected to the connection terminal.