Watthour Meter Socket Adapter Segmented Flash Cover
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing watthour meter socket adapters pose safety risks during installation and removal due to potential electrical shocks and arcs, as well as issues with flash covers separating from the housing, and lack effective surge protection mechanisms.
Innovation Solution
A watthour meter socket adapter design featuring a two-part housing with a rear and front housing that securely connects to prevent separation, includes a surge conductor for grounding, and incorporates a ring lock clip and terminal cover with enhanced sealing and anti-tampering features to address safety and protection concerns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a snap-on flash cover is used to cover jaw contacts, then installation is simplified, but the flash cover separates when the meter is pulled upward during removal
Solution Approach 1:
The flash cover is divided into an upper portion and a lower portion separated by a transverse groove. The lower portion remains attached to the socket adapter base while the upper portion can be removed independently, allowing the flash cover to stay secured during meter removal while still providing coverage during installation
Solution Approach 2:
The upper portion of the flash cover is extracted as a separate removable component from the lower portion that remains fixed to the socket adapter base, enabling selective removal of only the necessary portion during meter removal operations
2Ease of manufacture
If the socket adapter housing is made as a single piece, then manufacturing is simpler, but surge protection and terminal access are compromised
Solution Approach 1:
The socket adapter housing is segmented into a base portion and a front housing that can be separately manufactured and then assembled together, enabling integration of surge protection components in the base while maintaining terminal access through the front housing
Solution Approach 2:
The base portion and front housing are merged through assembly to form the complete socket adapter housing, combining the surge protection functionality of the base with the terminal access capabilities of the front housing
3Ease of repair
If the front housing is made removable for terminal access, then maintenance is easier, but the housing may separate during meter installation and removal
Solution Approach 1:
Locking features are pre-configured on the front housing and base portion that automatically engage when the front housing is positioned on the base, preventing separation before maintenance operations begin
Solution Approach 2:
Locking features act as intermediary mechanical elements between the front housing and base portion, providing a secure connection that prevents separation while allowing controlled removal for maintenance
4Reliability
If a ring lock clip is used to secure the meter, then anti-tampering is improved, but the meter removal process becomes more complex
Solution Approach 1:
The ring lock clip mechanism is segmented with the locking function integrated into the socket adapter base while the meter flange provides the engagement surface, allowing secure locking during normal operation and simplified removal when authorization is provided
Solution Approach 2:
The ring lock clip system is designed to be self-securing during installation and self-releasing during authorized removal, with the meter flange and socket adapter base working together to automatically engage and disengage the locking mechanism
Data Source
AI summary
A watthour meter socket adapter has housing formed of snap together rear and front housings. The front housing surrounds but allows access to jaw contacts and terminals mounted in the rear housing by a watthour meter and electric power conductors. An aperture in the front housing engages a socket adapter mounting fastener extendible through the aperture to attach the socket adapter to a mounting surface. The fastener and aperture resist separation of the front housing from the rear housing when a watthour meter is removed from the socket adapter. A clip extends from the front housing through an aperture in a terminal cover attachable to the front housing and receives a seal lock member. Another clip on the front housing extends through the terminal cover and is engaged by an expandable ring lock clip. A meter surge guard is removably mountable to the rear housing and exteriorly of the front housing.