Motor-Driven Light Fixture Shaping for Precise Spot Positioning
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Solution Overview
Problem
Existing light fixtures with manually adjustable shading blades suffer from safety hazards, inaccuracies, and inefficiencies in shaping output light, leading to suboptimal illumination effects.
Innovation Solution
A light fixture with motor-driven shaping of output light, utilizing a light-shaping module with shading blades, driving motors, and a control board to precisely adjust the position and shape of the light spot, enabling remote control and enhanced precision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual adjustment of shading blades is used, then the structure is simple, but the adjustment precision and safety are poor
Solution Approach 1:
The patent replaces the manual mechanical adjustment system with an automated motor-driven system. Each shading blade is equipped with an independent motor (stepper motor or servo motor) that receives electronic control signals to precisely position the blade. This substitution of mechanical manual operation with electromechanical automation resolves the contradiction by achieving high positioning precision through motor control while maintaining reasonable structural complexity through modular design.
Solution Approach 2:
The system enables self-service adjustment through automated motor control and electronic positioning systems. The shading blades automatically position themselves according to control signals without requiring manual intervention. This self-service capability achieves precise light spot positioning while eliminating the safety hazards and imprecision associated with manual high-altitude adjustment operations.
2Manufacturing precision
If manual adjustment of shading blades is used, then the device is simple to operate, but the adjustment accuracy is insufficient
Solution Approach 1:
The patent replaces manual mechanical adjustment with automated motor-driven positioning systems. Each shading blade is controlled by independent motors that receive electronic control signals, enabling precise positioning without manual intervention. This substitution resolves the contradiction by achieving high positioning accuracy through motor control while improving operational convenience through remote electronic control.
Solution Approach 2:
The system incorporates feedback mechanisms through motor control systems that receive control signals and adjust shading blade positions accordingly. The motors (stepper or servo) provide precise positioning feedback, ensuring accurate light spot placement. This feedback mechanism resolves the contradiction by enabling high positioning accuracy while maintaining ease of operation through electronic control interfaces.
3Reliability
If manual high-altitude adjustment is used, then the structure is simple, but safety hazards exist
Solution Approach 1:
The patent replaces manual high-altitude mechanical adjustment with automated motor-driven systems positioned at accessible locations. The motors and control systems are located where they can be safely operated or controlled remotely, eliminating the need for personnel to work at high altitudes. This substitution resolves the contradiction by ensuring operational safety while accepting increased device complexity through the motor-driven architecture.
Solution Approach 2:
The system performs self-adjustment through automated motor control without requiring manual high-altitude intervention. The motors automatically position the shading blades according to control signals, eliminating safety hazards associated with manual high-altitude work. This self-service capability resolves the contradiction by ensuring operational safety while implementing a more complex motor-driven system.
4Productivity
If manual adjustment is used, then the device is simple, but the adjustment is time-consuming
Solution Approach 1:
The patent replaces manual mechanical adjustment with automated motor-driven positioning systems. The motors receive electronic control signals and rapidly position the shading blades to the desired locations, significantly reducing adjustment time compared to manual operation. This substitution resolves the contradiction by achieving high adjustment speed through motor control while accepting increased device complexity through the motor-driven architecture.
Solution Approach 2:
The system enables preliminary positioning through motor control, where the shading blades can be pre-positioned to optimal locations based on control signals before illumination is needed. This preliminary action capability resolves the contradiction by enabling rapid adjustment and positioning, improving productivity while implementing a more complex motor-driven control system.
Data Source
AI summary
A light fixture has a lamp housing with a light outlet, and a light source assembly arranged in the lamp housing, and a light-shaping module arranged in the light source assembly along the output direction of the light for shaping the pattern or shape projected by the light fixture. The light fixture with motor-driven shaping of output light of the present invention controls the movement of each shading blade by driving motors to precisely adjust their positions thereby precisely defining the shape of the shading opening. Precision of the shape, size and position of the light spot can be improved and the illuminating effect can be enhanced.