Outdoor Controller Mounting With Rotational Gasket Compression
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Solution Overview
Problem
The installation of external controllers onto outdoor electrical devices is cumbersome and prone to failure due to the need for precise alignment and compression of sealing rings within tight tolerances, leading to difficulties in achieving a weatherproof seal and high failure rates in mass production.
Innovation Solution
A controller design featuring an inner body with electrical connection pins and an outer body that rotates relative to the inner body, allowing the compressible gasket to be compressed after pin insertion, reducing the required compression range and enabling the use of more materials like silicone or EPDM, and incorporating a snap fitting for additional friction to simplify installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an outdoor electrical device is mounted on a wall using conventional methods, then the device can be installed, but water may infiltrate through gaps between the device and wall, causing malfunction
Solution Approach 1:
A waterproofing member is introduced as an intermediary component between the outdoor electrical device and the wall. This member fills the gap space and prevents water infiltration, while the sealing member creates a waterproof seal around the device mounting area, effectively blocking water paths without requiring direct contact between the device and wall.
Solution Approach 2:
The mounting structure is divided into separate functional components: a mounting member for securing the device, a waterproofing member for filling gaps, and a sealing member for creating waterproof seals. This segmentation allows each component to perform its specific function optimally, with the waterproofing member addressing gap filling and the sealing member addressing seal creation.
2Shape
If the device is mounted directly against the wall, then installation is simple, but aesthetic appearance is compromised due to visible gaps
Solution Approach 1:
The mounting member, waterproofing member, and sealing member are combined into an integrated mounting structure that can be installed as a single unit. This integration maintains aesthetic appearance by filling gaps and creating smooth seals, while simplifying installation to one operation rather than multiple separate steps.
Solution Approach 2:
The mounting structure performs multiple functions simultaneously: it secures the device to the wall, fills aesthetic gaps to improve appearance, provides waterproofing to prevent water infiltration, and creates sealing surfaces. This multi-functionality eliminates the need for separate components for each purpose.
3Ease of manufacture
If conventional mounting methods are used, then installation is straightforward, but electrical short circuits may occur due to water infiltration
Solution Approach 1:
The waterproofing member and sealing member act as intermediary protective barriers between the electrical device and the external environment. These components prevent water from reaching electrical components while maintaining the simplicity of the mounting installation, effectively isolating the electrical system from water-related hazards.
4Ease of operation
If gaps are left between the device and wall, then installation is easier, but water infiltration paths are created
Solution Approach 1:
The harmful function of the gap (water infiltration path) is extracted and neutralized by introducing the waterproofing member. Instead of eliminating the gap through direct contact, the gap is retained for installation ease but its harmful function is removed by filling it with the waterproofing member, which blocks water while maintaining the gap's presence.
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
This design simplifies the installation process, reduces the failure rate of the weatherproof seal, and allows for the use of a wider range of gasket materials, making the installation of outdoor electrical device controllers more reliable and straightforward, especially at heights.
Implementation Method 1
rotational displacement of the outer body relative to the inner body towards the socket to establish a weatherproof seal between the outer body and the socket by compression of the annular compressible gasket against said socket
Implementation Method 2
incorporating a snap fitting for additional friction to simplify installation
Data Source
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AI summary
A controller (100) for mounting onto a socket (20) of an outdoor device (10) is disclosed. The controller comprises an inner body (110) comprising a first bottom surface from which an annular arrangement of electrical connection pins (102) for engaging with said socket extends, said inner body further housing control circuitry (132) for said outdoor device, said control circuitry being electrically connected to at least some of said electrical connection pins; and an outer body (120) rotationally mounted around the inner body, the outer body comprising a further bottom surface (122) around the first bottom surface and an outer cover (105) extending from said further bottom plate covering the control circuitry, the further bottom surface carrying an annular compressible gasket (104) for providing a weatherproof seal between the further bottom surface and the socket by rotational displacement of the outer body relative to the inner body. Also disclosed is an outdoor electrical device (10) comprising such a controller (100) and method of mounting such a controller (100) onto an outdoor electrical device (100).