Removable Actuator Frame for Dimmer Switches
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Solution Overview
Problem
Existing dimmer switches often experience unacceptable leakage current issues during lamp replacement, and current designs do not allow for easy color changes or actuator replacements without removing the entire switch from the installed position.
Innovation Solution
A system featuring a removable frame and rocker assembly that can be attached and detached from the electrical device without removing it from the wall box, using snap-in pivots and compressible cantilever snaps to facilitate easy installation, removal, and replacement, allowing for color changes and actuator swaps.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the entire dimmer switch is removed from the wall box to replace the actuator or change color, then the actuator can be replaced or color can be changed, but the installation is disturbed and requires electrical disconnection
Solution Approach 1:
The dimmer switch is divided into separable components: the housing with circuit board assembly and the frame with actuator. The frame is detachably mounted to the housing, allowing the actuator to be replaced by removing only the frame rather than the entire device from the wall box.
Solution Approach 2:
The frame is designed with dynamic attachment and detachment capability through snap-fit connections. This allows the frame to be easily removed and reattached multiple times, enabling actuator replacement and color changes without permanent installation disturbance.
2Stability of the object's composition
If the frame is made permanently fixed to the housing, then structural stability is improved, but actuator replacement and color changes become difficult
Solution Approach 1:
The connection between frame and housing is segmented into discrete snap-fit joints rather than a permanent bond. This allows the frame to be securely attached during normal use but easily detached when actuator replacement or color change is needed.
Solution Approach 2:
The snap-fit connection provides dynamic attachment characteristics - stable during operation but easily removable when needed. The flexible portion of the snap allows for controlled detachment without damaging either the frame or housing.
3Strength
If the actuator is integrated into the housing, then structural integrity is improved, but leakage current issues cannot be addressed by simple actuator replacement
Solution Approach 1:
The actuator is separated from the housing and integrated into the removable frame. This segmentation allows the actuator to be replaced independently when leakage current issues occur, maintaining structural integrity of the housing while improving reliability through easy actuator replacement.
4Reliability
If the frame uses complex fastening mechanisms to ensure secure attachment, then attachment reliability is improved, but ease of installation and removal deteriorates
Solution Approach 1:
The snap-fit connection is designed to be self-aligning and self-latching. The flexible portion automatically engages with the housing when the frame is pressed into place, providing reliable attachment without requiring tools, alignment fixtures, or complex fastening procedures.
Data Source
AI summary
In one embodiment, a system may include an electrical device, an actuator for the electrical device, and an interchangeable frame configured to be removeably attached to the electrical device and to hold the actuator. The frame may be adapted to pivotally engage the electrical device. In another embodiment, an electrical device may have an interface adapted to enable a frame to be attached to and removed from the electrical device, an opening in the electrical device, a subactuator arranged to actuate a switch in the electrical device through the opening, and to engage an actuator on the frame when the frame is attached to the electrical device, and a first rim disposed about the opening. The subactuator may include a second rim arranged to overlap the first rim.