Four-Post Terminal Block for Railroad Wiring
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Solution Overview
Problem
Current terminal board configurations for railroad equipment are time-consuming and costly to install, require complex grounding mechanisms, and necessitate inconvenient field maintenance due to the need for terminating cables and installing surge protectors and test links.
Innovation Solution
A terminal block design with front and back posts that allows for factory installation of hardware and simplified field installation, eliminating the need for internal wiring and additional grounding components by using back posts to mount directly to a conductive terminal board plane, reducing the number of components and installation complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If current terminal board configuration is used with multiple terminal blocks on aluminum sheet, then connections can be made inside bungalow, but installation is time-consuming and difficult requiring plywood support and complex wiring
Solution Approach 1:
The terminal block is designed with posts extending from both front and back sides, allowing cables to be routed through the terminal block body itself rather than requiring separate support structures. This preliminary structural arrangement eliminates the need for plywood support and complex internal wiring during installation.
Solution Approach 2:
The invention merges the functions of cable support, electrical connection, and grounding into a single integrated terminal block structure. The back posts extend through the terminal block body to provide both mechanical support and electrical connection points, eliminating the need for separate support components.
2Stability of the object's composition
If current terminal block design is used requiring plywood or support material on rear side, then structural support is provided, but device complexity and installation difficulty increase
Solution Approach 1:
The terminal block integrates structural support and electrical connection functions into a single component. The back posts serve dual purposes: providing mechanical stability to the terminal block structure and serving as connection points for electrical cables, thereby eliminating the need for separate plywood or support materials.
Solution Approach 2:
The back posts of the terminal block perform multiple functions simultaneously: they provide structural support for the terminal block, serve as mounting points for securing the terminal block to the terminal board, and act as connection points for cable routing and electrical connections.
3Ease of manufacture
If current configuration requires terminating cables and installing surge protectors at site, then field installation is completed, but field maintenance becomes inconvenient and costs increase
Solution Approach 1:
The terminal block design allows cables to be routed through the terminal block body and connected to front posts during factory assembly. Surge protectors and test links can be pre-installed and connected to the terminal block in the factory, eliminating the need for complex field termination and installation procedures.
Solution Approach 2:
The terminal block separates connection functions into distinct front and back posts, with front posts designed for cable connections and back posts for mounting and grounding. This segmentation allows for modular assembly where different components can be pre-installed and tested in the factory before final installation.
Data Source
AI summary
A terminal block, terminal board and terminal board assembly for terminating and testing railroad wires. The terminal block comprises a plurality of through-posts, allowing wiring and other components to be attached on posts on first and/or second sides of the terminal block. A surge protection component, control test link, and first wiring may be pre-installed on one side of the terminal block and terminal board, providing for quick installation prior to installing the terminal board assembly in the field. The through-posts also simplify the mounting of the terminal block to the terminal board, and the grounding for the terminal board.