Utility Meter Enclosure Dual Locks for Assembly and Final Security
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Solution Overview
Problem
Current utility meter enclosure lock designs risk inadvertently locking the front cover to the base during production, leading to increased costs and environmental concerns associated with welding as an alternative securing method.
Innovation Solution
A utility meter enclosure with dual position locks that temporarily secure the front cover to the base during manufacturing and assembly, allowing for adjustments, and permanently fix it at the end of the process, preventing unauthorized access without breaking the cover or base.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a locking mechanism is used to secure the front cover to the base, then unauthorized access is prevented, but the risk of inadvertent and premature locking during production increases
Solution Approach 1:
The lock is designed with two distinct positions: a first position during manufacturing that allows easy opening, and a second position for final security that prevents opening. This dynamic design allows the same lock mechanism to serve different functions at different stages of the product lifecycle, resolving the contradiction between security and ease of manufacture.
Solution Approach 2:
The locking mechanism is segmented into two functional states or modes. The lock can be positioned in a first location during manufacturing that permits access, and then moved to a second location for final security. This segmentation allows the system to address both manufacturing ease and security requirements through a single component.
2Stability of the object's composition
If welding is used to secure the front cover to the base, then the cover cannot be inadvertently separated, but costs and overhead increase and environmental concerns arise
Solution Approach 1:
The patent replaces the welding process (thermal/chemical joining) with a mechanical locking system. The lock mechanism provides secure attachment through physical engagement in the second position, eliminating the need for welding while achieving the same stability outcome. This substitution reduces costs, overhead, and environmental impact associated with welding operations.
Solution Approach 2:
The lock mechanism changes its engagement parameters between two positions. In the first position, the lock engages partially allowing separation; in the second position, it engages fully to prevent separation. This parameter change allows the same mechanical component to provide both manufacturing flexibility and final stability, replacing welding without its drawbacks.
3Reliability
If the front cover is permanently fixed to the base, then the enclosure cannot be opened without breaking components, but necessary adjustments during manufacturing are prevented
Solution Approach 1:
The lock mechanism is designed to be dynamic during manufacturing (first position allowing adjustment and opening) and static/secured in operation (second position preventing opening). This temporal dynamic design resolves the contradiction by allowing ease of repair during manufacturing while ensuring security during use.
Solution Approach 2:
The system allows preliminary actions (adjustments, inspections, repairs) to be performed during manufacturing when the lock is in the first position. After manufacturing is complete, the lock is moved to the second position to prevent any future opening without breaking components. This preliminary action approach resolves the contradiction between security and manufacturability.
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
The dual position lock system ensures secure and cost-effective assembly while preventing premature locking and environmental issues, allowing for secure and efficient production and assembly processes.
Implementation Method 1
using elastically deformable materials and specific lock configurations to ensure secure engagement with receptacles
Data Source
AI summary
A utility meter assembly having a base that is secured to a front cover. The assembly includes a dual locking system having a first locking position and a second locking position. In the first locking position, the front cover is removably secured with the base. In the second locking position, the front cover is permanently secured with the base to prevent separation of the two components unless one or both components are destroyed.