Plant LED Lighting Control System for Spectral and Time Adjustment

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Solution Overview

Problem

Manual adjustment of multiple LED lamps in multi-layer greenhouse settings for plant growth is time-consuming and labor-intensive, requiring a system to conveniently control LED lamp output for various plant growth stages and areas.

Innovation Solution

A lighting control system for plant LED lamps that includes modules for setting growth stages, adjusting spectral characteristics (red, green, and far-infrared light) and illumination time, allowing for easy management of light parameters across different growth stages and areas, with a plant area selection module for tailored adjustments.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual adjustment of multiple LED lamps is performed in multi-layer greenhouse settings, then individual lamp control is possible, but time consumption and labor intensity increase significantly

Engineering Contradiction:
ImproveLED lamp control convenienceVSAvoidTime for adjusting LED lamps
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The patent merges control of multiple LED lamps into a unified control system that manages all lamps across different layers and plant types simultaneously. The controller integrates spectral adjustment, illumination time control, and intensity regulation for numerous lamps, transforming individual manual adjustments into centralized automated control that reduces time consumption and labor intensity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The system enables self-service automation where the controller automatically adjusts LED lamp parameters based on pre-set plant growth requirements. The system autonomously manages spectral characteristics, illumination duration, and intensity levels without requiring manual intervention for each lamp, allowing the greenhouse lighting system to self-regulate according to plant needs.

Inventive Principle:
Principle #25Self-service

2Adaptability or versatility

If multiple LED lamps are adjusted individually to meet different plant growth stage requirements, then customized lighting can be provided, but labor cost and adjustment complexity increase

Engineering Contradiction:
ImproveLighting adaptation to different growth stagesVSAvoidControl system complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent segments the control system into modular functional units that can independently manage different plant types, growth stages, and spectral parameters. Each plant type and growth stage has its own control profile, allowing customized lighting requirements to be met through segmented control modules rather than complex individual lamp adjustments. This modular approach maintains adaptability while reducing overall system complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The controller is designed as a universal multi-functional device that can simultaneously manage multiple LED lamps across various layers, plant types, and growth stages. A single controller performs spectral adjustment, intensity control, timing management, and region-specific regulation, replacing the need for separate control mechanisms for each lamp and reducing overall system complexity while maintaining high adaptability.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Productivity

If spectral characteristics of LED lamps are adjusted for different growth stages, then plant growth optimization is achieved, but control operation becomes more complex

Engineering Contradiction:
ImprovePlant growth efficiencyVSAvoidSpectral adjustment operation
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The system implements preliminary action by pre-configuring spectral characteristics, illumination times, and intensity levels for different plant growth stages before actual plant cultivation begins. Growth stage-specific lighting programs are established in advance, allowing the controller to automatically apply appropriate spectral settings without requiring complex real-time adjustments during plant growth, thereby simplifying operation while maintaining growth optimization.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent utilizes parameter changes by systematically varying spectral composition, illumination duration, and light intensity according to predefined growth stage parameters. The controller automatically modifies these lighting parameters based on plant development phase, transforming complex spectral adjustments into simplified parameter-based control that optimizes plant productivity while ease of operation.

Inventive Principle:
Principle #35Parameter changes

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables efficient and cost-effective control of LED lamp output, simplifying light adjustments and reducing human effort by allowing users to easily manage spectral characteristics and illumination time for different plant growth stages and areas, thereby optimizing plant growth.

Implementation Method 1

light-emitting diode (LED) has been used as a light source

Methodology Applied
Scientific EffectLight-emitting diode (LED): Light Emitting Diode

Implementation Method 2

the spectrum adjusting module for LED lamps in each growth stage configured to adjust the spectrum of the LED lamp provided by different growth stages of the same type of plants

Methodology Applied
Scientific EffectSpectrum adjustment:

Data Source

PatentUS10405398B2Lighting control system for plant LED lamps
Publication Date: 2019.09.03 SELF ELECTRONICS CO LTD
  • US10405398B2 patent drawing
  • US10405398B2 patent drawing

AI summary

A lighting control system for plant LED lamps controls at least one LED lamp, and then at least one of the LED lamps provides lighting for at least one plant. The lighting control system comprises a plant growth stage setting module, a step setting module for respective growth stage, a spectrum adjusting module for LED lamps in each growth stage and an illumination time adjusting module in each growth stage. The spectrum adjusting module in each growth stage is configured to adjust and set the spectrum of the LED lamp provided by different growth stages of the same type of plants. The illumination time adjusting module is configured to adjust the time for growing the different growth stages of the same type of plants. The application allows users to easily control the spectral characteristics of LED lamps, as well as lighting time. At the same time, it is also convenient to control the spectral characteristics and the illumination time of the LED lamps in different regions and different plants so as to make the adjustment of the light emitted by the LED lamps simple and save human cost and time.