Terminal Block Marker Holder Insertion and Pivoting Mechanism
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Solution Overview
Problem
Current solutions for identifying electrical junction blocks are complex, expensive, and impractical, often requiring dedicated fixing zones or collective marker carriers that complicate handling and introduce errors.
Innovation Solution
An individual marker carrier for electrical junction blocks featuring a first fixing part that inserts into a shunt well and a second identification part that pivots for easy access, allowing for clear identification markings without obstructing connection terminals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a common label holder is provided for various terminal blocks aligned side by side, then the identification system is established, but the procedure becomes tedious and introduces risks of handling and identification errors
Solution Approach 1:
The invention divides the identification system into individual marker holders, each dedicated to a specific terminal block. This segmentation eliminates the need to operate a common label holder across multiple blocks, thereby reducing handling errors and simplifying the identification process for each individual block.
2Reliability
If an individual marker holder is equipped with dedicated fixing zone and mounting hardware, then the marker holder can be securely attached, but the overall size and cost increase
Solution Approach 1:
The invention merges the marker holder with the existing shunt well structure. The marker holder utilizes the shunt well's inherent features (opening in the insulating housing) as its fixing zone, eliminating the need for separate dedicated fixing zones and additional mounting hardware. This integration maintains secure attachment while simplifying the overall structure.
Solution Approach 2:
The shunt well serves multiple functions: it accommodates shunt jumpers for electrical connection and provides the fixing structure for the marker holder. This multi-functionality eliminates the need for separate dedicated attachment mechanisms, reducing device complexity while maintaining reliable attachment.
3Loss of information
If the marker holder obstructs the connection terminals, then the identification is visible, but the access to terminals is blocked
Solution Approach 1:
The marker holder is designed with a movable second part that can be pivoted or rotated. This dynamic feature allows the marker holder to be positioned out of the way when terminal access is needed, while still providing visible identification when in its normal position. The shunt well opening provides the necessary space for this movement.
4Loss of information
If a separator is fitted with marking label on the front face, then the identification is provided, but the connection terminals become inaccessible and information hard to read
Solution Approach 1:
The invention extracts the marking function from the separator/shunt component and places it on a dedicated marker holder that utilizes the shunt well opening. This separation allows the marker to be positioned for optimal visibility without blocking terminal access, as the marker holder can be oriented independently from the separator structure.
Data Source
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AI summary
An individual marker holder (10) for an electrical terminal block (11) is described. The terminal block (11) comprises an insulating housing (12) having a rear face (15) equipped with fastening elements (16) for fixing the terminal block (11) to a support rail in an arrangement in which a plurality of terminal blocks (11) are arranged side by side in the same row oriented along the support rail. The marker holder (10) includes a first fastening portion (19) configured so that it can be fixed by insertion into a shunt well (18) provided in a front face (17) of the insulating housing (12) of the terminal block (11).