Smart Power Application

Solar Lighting Captures Sunlight Channels it Through Fiber Optic Cables Solar Lighting System based on Fiber

Working Principle of Intelligent Sunlight Import System

1. Solar Capture & Tracking Module

• Sunlight Collection: A high-efficiency solar concentrator (usually a parabolic or Fresnel lens) is mounted outdoors (e.g., on roofs or walls) to gather sunlight. The collector surface is designed to maximize light absorption, even on cloudy days.
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• Intelligent Tracking: An embedded sun-tracking sensor (photocell or GPS-based) continuously adjusts the collector’s angle to follow the sun’s trajectory, ensuring optimal light capture throughout the day. This mechanism increases light efficiency by 30–50% compared to fixed systems.
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2. Fiber Optic Conduction System

• Light Transmission: Captured sunlight is directed into optical fiber cables (made of high-purity silica or PMMA), which act as “light pipes.” The fibers use total internal reflection to transmit light with minimal loss (typically <10% over 50 meters).
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• Multi-branch Distribution: The main fiber can split into smaller sub-fibers, allowing sunlight to be distributed to multiple rooms simultaneously. For example, a 4-room setup might use a 10-mm main fiber splitting into four 5-mm fibers, each serving a 10–20 m² space.
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3. Indoor Lighting & Control Unit

• Light Emission: At the end of each fiber, a diffuser fixture (ceiling-mounted or recessed) disperses the sunlight evenly, creating a natural lighting effect. The fixture can mimic daylight spectrum (5000–6500K) with a CRI (Color Rendering Index) >90, identical to direct sunlight.
• Intelligent Regulation: A built-in control panel adjusts light intensity based on indoor needs. Features may include:
  • Auto-dimming (responds to ambient light levels)
  • Timer scheduling (e.g., turns on at dawn, off at dusk)
  • Remote control via smartphone app (for adjusting brightness or tracking status)
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4. Energy-Efficient Design Features

• No Electricity Requirement: The system operates purely on solar energy, eliminating reliance on grid power for lighting (saving ~800–1200 kWh/year for 4 rooms).
• Heat Isolation: Specialized jackets around fibers prevent heat transfer, ensuring indoor spaces remain cool even in direct sunlight.
• Backup Power Option: Some models include a small battery (charged by the solar collector) to maintain lighting during brief cloud cover or at dusk.
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5. Installation & Adaptability

• For semi-flat roofs or side walls, the solar collector is mounted using adjustable brackets (stainless steel or aluminum) that can be tilted 0–60° to optimize sun exposure.
• Fiber cables are routed through walls or ceilings (with a diameter of 10–20 mm, similar to electrical wiring), making it suitable for new constructions or renovations.
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Key Technical Diagram (Simplified)

 Outdoor:          Solar Collector → Sun-Tracking Mechanism  
Transmission:     ↓                  ↓                     Optical
Fiber Cables (Split into branches)   Indoor:           ↓           
         Diffuser Fixtures → Intelligent Control Panel