Knob Dimming Lamp Slider Structure for Sealed Low-Cost Control
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Solution Overview
Problem
Existing dial color-matching lamps suffer from poor sealing performance due to sliding or rotating components, leading to water vapor ingress and increased production costs from expensive dial switches.
Innovation Solution
A knob dimming lamp design featuring a dimming knob that rotates to drive a slider on a substrate, adjusting illumination parameters through a conductive sheet contacting different contacts, with a simplified control structure and enhanced sealing via a fixed position knob and clamping grooves.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a slidable rotating sleeve or dial sheet is provided on the housing to drive the dial switch, then the dial gear-shifting function is achieved, but the sealing performance of the lamp deteriorates and water vapor can easily enter the lamp
Solution Approach 1:
The patent extracts the dial switch from the housing structure and replaces it with a rotary drive mechanism consisting of a rotary drive component with gear teeth that engages with a driven component. This eliminates the need for slidable rotating sleeves or dial sheets on the housing surface, maintaining sealing integrity while achieving dial gear-shifting through internal rotary engagement.
Solution Approach 2:
The patent replaces the mechanical sliding or rotating sleeve system with a gear-based rotary drive system. The rotary drive component with gear teeth engages with a driven component having corresponding gear teeth, creating a pure rotary motion transmission that maintains the housing seal while achieving the desired dial gear-shifting function.
2Ease of operation
If a PCB with a dial switch is added below the light source bead board, then the dial gear-shifting function is achieved, but the production cost increases due to expensive dial switches
Solution Approach 1:
The patent replaces expensive dial switches with a cost-effective rotary drive mechanism made from simple components: a rotary drive component with gear teeth and a driven component with corresponding gear teeth. These can be manufactured using standard molding or machining processes, significantly reducing production costs while maintaining the dial gear-shifting function.
Solution Approach 2:
The patent removes the expensive dial switch from the PCB assembly and replaces it with a mechanical rotary drive system. The rotary drive component engages directly with the driven component to achieve gear-shifting, eliminating the need for costly electronic dial switches and their associated PCB circuitry.
3Ease of manufacture
If a rotary drive component with gear teeth is provided to drive the slider, then the dial gear-shifting is achieved without expensive dial switches, but the structure becomes more complex
Solution Approach 1:
The patent merges the rotary drive component and driven component into a compact integrated assembly. The gear teeth engagement between these two components creates a self-contained mechanical transmission system that achieves dial gear-shifting in a single motion, simplifying the overall control structure despite the added mechanical elements.
Solution Approach 2:
The rotary drive component serves multiple functions: it provides the dial gear-shifting mechanism, drives the slider through the driven component, and maintains a compact structure that fits within the existing lamp housing. This multi-functionality reduces the need for separate control mechanisms, offsetting the added structural complexity.
Data Source
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AI summary
The present disclosure relates to the field of illumination devices, and in particular, to a knob dimming lamp, including a housing, a light-emitting assembly, and a knob dimming assembly. The light-emitting assembly is disposed in the housing. The knob dimming assembly includes a dimming knob, a substrate, a slider, and a conductive sheet. The slider is disposed on the substrate and capable of sliding at a predetermined trajectory relative to the substrate;a plurality of contacts are provided on the substrate, and the conductive sheet is disposed on the slider; and the dimming knob in rotation drives the slider to move such that the conductive sheet is communicated with different contacts. According to the present disclosure, illumination parameters are adjusted through the dimming knob, thereby making control more sensitive and convenient, simplifying the existing dimming control structure, and reducing the production cost.