Switch Insert Recess Layout for Shallow Box Installation
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Solution Overview
Problem
Existing building installation systems waste valuable installation space due to mismatched dimensions between electrical devices and switch or push-button inserts, making installation in shallow boxes difficult without extensive chiseling.
Innovation Solution
The system features a switch or push-button insert with an uneven housing base and a recess, paired with an electrical device having a first section that immerses into the recess to at least 80% of its volume, optimizing geometric compatibility and reducing installation space requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of stationary object
If the electrical device has standard dimensions not adapted to the switch insert geometry, then the device can be manufactured with standard dimensions, but valuable installation space is wasted and installation in shallow boxes becomes difficult
Solution Approach 1:
The electrical device is divided into two distinct sections: a first section with reduced dimensions designed to fit within the switch insert recess, and a second section with standard dimensions for mounting on the insert. This segmentation allows the device to optimize space utilization while maintaining manufacturability through standardized components.
Solution Approach 2:
Different parts of the electrical device have different dimensional characteristics tailored to their specific functions. The first section has compact dimensions (e.g., 35mm x 35mm x 12mm) to fit the recess, while the second section has extended dimensions for mounting purposes. This local differentiation of quality resolves the contradiction between space optimization and manufacturing standardization.
2Ease of operation
If the electrical device extends beyond the switch insert, then mounting is simplified, but the device occupies excessive space in shallow boxes
Solution Approach 1:
The first section of the electrical device is nested within the recess of the switch insert, similar to a nested doll structure. This allows the majority of the device volume to be contained within the existing insert geometry, reducing space occupation in shallow boxes while maintaining ease of installation through the external mounting section.
3Volume of stationary object
If the recess volume is increased to accommodate the electrical device, then installation space is improved, but the switch insert geometry becomes more complex
Solution Approach 1:
Instead of designing the recess to perfectly match the entire electrical device volume, the recess is designed to accommodate only the essential first section (partial action). The second section extends beyond the recess for mounting purposes, accepting some excess space occupation in exchange for simpler recess geometry and easier manufacturing.
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 configuration effectively utilizes installation space, allowing for a more efficient arrangement of electrical components and easier installation, while preventing jamming and improving heat dissipation.
Implementation Method 1
the metallic screw domes of the second section of the electrical device are connected in a heat-conducting manner to electrical components of the electrical device and contact the metallic screw domes of the switch or button insert for heat dissipation
Data Source
Figure 1~2
Figure 3
AI summary
A building installation device system is presented, comprising an attachment A which can be placed on a switch or push-button insert E fixed in a box D, and an electrical device E2 which has a power supply, a transmitter and detection means for detecting the switching or button actuation of the switch or push-button insert E. What is special about this is that the switch or push-button insert E has an uneven housing base with a recess V with a recess volume of at least 2 cm3 and the electrical device E2 has a first section A1 with a section volume of at least 2 cm3, which first section A1 is immersed in the recess V to at least 80% of its section volume.