Adaptive Plant Growth Lighting With Environmental Feedback Dimming
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Solution Overview
Problem
Current plant growth lighting systems lack versatility, as they cannot adjust light composition or brightness based on ambient light intensity, environmental temperature, or carbon dioxide concentration, leading to increased energy consumption.
Innovation Solution
An automatic dimming plant growth lighting system with an environmental information collecting module, processing module, and dimming module that adjusts lighting modules to match target illumination and chroma ranges, turns off or reduces brightness based on detected conditions, and includes a dip switch for group control and an alarm module for alerts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the plant growth lighting system operates at maximal brightness continuously, then the plant growth requirement is met, but the energy consumption increases
Solution Approach 1:
The lighting system dynamically adjusts brightness based on real-time environmental conditions (ambient light intensity, temperature, CO2 concentration). The processing module receives sensor data and controls the dimming module to vary lighting output, transitioning from static maximal brightness to dynamic adaptive brightness that matches actual plant growth needs.
Solution Approach 2:
The system implements feedback control by using sensors to detect environmental conditions and feeding this information back to the processing module, which then adjusts the lighting output accordingly. This closed-loop control ensures the lighting system responds to actual conditions rather than operating at fixed maximal brightness.
2Adaptability or versatility
If the lighting system cannot detect environmental conditions, then the system structure is simple, but the lighting cannot be properly adjusted to meet plant growth needs
Solution Approach 1:
The processing module serves multiple functions: it receives plant growth information, generates target illumination and chroma ranges, controls the dimming module, and coordinates with the alarm module. This multi-functional design consolidates control logic into a single module, managing system complexity while achieving versatile lighting adjustment capabilities.
Solution Approach 2:
The environmental information collecting module acts as an intermediary between the physical environment and the control system. It converts environmental conditions (light intensity, temperature, CO2 concentration) into electrical signals that the processing module can process, enabling adaptive lighting control without requiring direct complex sensing in the control logic.
3Ease of operation
If the lighting system operates without ambient light detection, then the system structure is simple, but the lighting brightness cannot be optimized based on ambient conditions
Solution Approach 1:
The lighting system performs self-service by automatically detecting ambient light conditions and adjusting its own brightness without manual intervention. The dimming module receives control signals from the processing module based on sensor data and autonomously adjusts lighting output, eliminating the need for manual brightness control while optimizing energy usage.
4Reliability
If the lighting system cannot detect temperature and CO2 concentration, then the system structure is simple, but the system cannot determine when plants cannot efficiently photosynthesize
Solution Approach 1:
The system performs preliminary action by detecting environmental conditions (temperature, CO2 concentration) before making lighting adjustments. The processing module uses this advance information to proactively adjust lighting parameters that will optimize photosynthesis efficiency, rather than reacting after efficiency has already declined.
Data Source
AI summary
An automatic dimming plant growth lighting system having environment detecting function includes a processing module, a plurality of lighting modules, a dimming module and an environmental information collecting module. The processing module receives a plant growth information, and generates a target illumination range and a target chroma range according to the plant growth information. The dimming module is connected to the processing module and the lighting modules. The environmental information collecting module detects an environmental information including a current chroma and a current illumination. The processing module controls the dimming module to adjust the lighting modules in order to change the current illumination and the current chroma, such that the current illumination is within the target illumination range and the current chroma is within the target chroma range.