Touch-Sensitive Dimmer With Integrated Display Panel
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Solution Overview
Problem
Conventional mechanical dimmers for light control are cumbersome to use, have limited lifespan due to mechanical failures, and provide a less-than-ideal user experience.
Innovation Solution
A touch-sensitive dimmer with a display function that uses a touch-sensitive display panel and control printed circuit board assembly to adjust illuminance, incorporating a microcontroller unit, display module, touch-sensing control circuit, and illuminance control circuit, along with a wireless communication module for remote control and zero crossing detection, eliminating mechanical components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If mechanical control components (rotating knob, push-pull mechanism, press keys) are used in dimmers, then manual control of luminous flux is achieved, but the device has limited lifespan due to mechanical failure and provides cumbersome operation
Solution Approach 1:
The patent replaces all mechanical control components (rotating knobs, push-pull mechanisms, press keys) with a touch-sensitive control system. The touch-sensitive panel detects user input through electrical capacitance or resistance changes when touched, eliminating mechanical moving parts that wear out. This substitution directly resolves the contradiction by providing both ease of operation (touch control is intuitive and requires minimal force) and reliability (no mechanical components to fail).
Solution Approach 2:
The patent extracts and removes all mechanical control components from the dimmer system. By taking out the rotating knob, push-pull mechanism, and press keys, the design eliminates the source of mechanical failure while maintaining control functionality through the touch-sensitive interface. This extraction approach directly addresses the reliability issue while preserving operational convenience.
2Ease of operation
If mechanical control components are used in dimmers, then manual control is achieved, but the user experience is less than ideal
Solution Approach 1:
The touch-sensitive control system replaces complex mechanical mechanisms with an electronic sensing interface. The touch panel uses electrical fields to detect user input, eliminating the need for mechanical linkages, springs, and moving parts. This substitution improves user experience through intuitive touch interaction while reducing the visible and functional complexity of the control mechanism.
Solution Approach 2:
The patent incorporates visual feedback through display elements that change color or illuminate to indicate different operational states (e.g., current dimming level, mode changes, error conditions). This visual feedback enhances user experience by providing immediate, intuitive information about device status without requiring complex mechanical indicators or displays.
3Loss of information
If a touch-sensitive display panel with display function is added to the dimmer, then visual feedback and user experience are enhanced, but device complexity increases
Solution Approach 1:
The patent merges the display function with the control interface by integrating the display elements directly into the touch-sensitive panel assembly. The display and touch sensing share the same physical substrate and control circuitry, eliminating the need for separate display modules and reducing overall system complexity. This merging provides visual feedback while maintaining a compact, unified control system.
Solution Approach 2:
The touch-sensitive display panel serves multiple functions simultaneously: it detects user input through touch sensing, provides visual feedback through display elements, and indicates operational status. This multi-functionality reduces the need for separate components and simplifies the overall control system architecture while delivering comprehensive visual feedback to the user.
Data Source
AI summary
A touch-sensitive dimmer, configured to be electrically coupled to an illumination load to adjust an illuminance of the illumination load. It includes a hollow body, a power source printed circuit board assembly (PCBA) disposed inside the body, a control PCBA, and a touch-sensitive display panel, touch-sensing components and a display element disposed on the control PCBA. The display element displays changes of illumination load adjustment modes based on trigger signals generated by the touch-sensing components. The touch-sensitive display panel includes touch keys which correspond to the touch-sensing components and a display window which corresponds to the display element, and is assembled with the control printed circuit board assembly. The touch-sensitive dimmer combines touch-sensing functions and display screen functions to achieve intelligent control. By incorporating a wireless communication module, the dimmer can further achieve remote by a remote control device.