Outdoor Electrical Box Sliding Hinge Waterproofing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing outdoor electrical boxes fail to provide convenient and safe access to electrical power while protecting against moisture, as they either sacrifice accessibility or are not adequately waterproof, posing a risk of electrocution and damage from the elements.
Innovation Solution
An electrical box design featuring a sliding hinge connection that allows the cover to rotate and translate, creating an air pocket that prevents water from reaching the electrical connections, combined with a water-impenetrable enclosure to ensure safety and accessibility for intermittent connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If electrical boxes are installed in the ground with fixed covers, then waterproofing is improved, but accessibility for intermittent connections deteriorates
Solution Approach 1:
The cover is designed to be movable rather than fixed, allowing it to be opened for access and then closed to maintain waterproofing. The sliding hinge connection enables the cover to transition between open and closed positions, dynamically adapting to different operational states while maintaining the waterproof seal when closed.
Solution Approach 2:
A movable cover acts as an intermediary element between the electrical connection points and the external environment. When closed, it provides the waterproof barrier; when opened, it allows access. This intermediary component resolves the contradiction by being present in both states - providing protection when needed and allowing access when needed.
2Ease of operation
If post-mounted receptacles are used for distant power distribution, then accessibility is improved, but vulnerability to displacement and damage worsens
Solution Approach 1:
The electrical connection points are nested within the protected enclosure rather than being exposed on a post. The receptacles are housed inside the box, which is then installed in the ground, providing both accessibility (through the movable cover) and stability (through the grounded installation). This nesting resolves the contradiction by protecting the connection points while maintaining access.
Solution Approach 2:
Instead of mounting receptacles vertically on posts above ground level, the solution moves the connection points to a different dimension - horizontally accessible through the movable cover while vertically protected by being installed in the ground. This dimensional change provides both accessibility and stability simultaneously.
3Ease of operation
If limited water protection is provided in outdoor boxes, then accessibility is improved, but protection from electrocution hazard worsens
Solution Approach 1:
The electrical connection points are extracted from the external environment and placed inside the protected enclosure. By removing them from direct exposure to water and placing them within the sealed box (accessible only through the movable cover), the electrocution hazard is eliminated while maintaining controlled accessibility.
Solution Approach 2:
The movable cover provides preliminary protection by preventing water from reaching the electrical connection points before contact can occur. The seal created when the cover is closed acts in advance to prevent water ingress, thereby preventing the electrocution hazard before it can manifest, while still allowing access when needed.
Data Source
AI summary
An electrical box includes a body, a cover that is movable relative to the body, and an electrical connection point that is mounted to the cover. The electrical connection point may be one or more of an electrical receptacle, a data jack, and/or the like. The cover may be attached to the body by a sliding hinge connection that allows the cover to rotate relative to the body as well as translate relative to the body. An air pocket substantially filling a compartment in the cover is maintained during an opening or closing of the electrical box.