Plant Lamp Light Bar with Interlaced LED Bead Groups
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Solution Overview
Problem
Conventional plant lamps with fixed red-to-blue-light ratios fail to uniformly irradiate all planting points with the desired spectrum, leading to inadequate growth and harvest issues in industrial hemp cultivation.
Innovation Solution
A plant lamp device with a light bar containing interlaced first and second bead groups emitting different red-to-blue-light ratios, controlled by a controller to switch between growth spectra for seedling, adult, and flowering stages, ensuring balanced light spectrum distribution across all points.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If fixed number of red-light beads and blue-light beads are disposed in specific arrangement, then overall red-to-blue-light ratio can be obtained, but scattering angle limitation causes failure to cover each planting point with expected spectrum ratio
Solution Approach 1:
The light bar is divided into multiple light emitting units, each unit containing both red-light beads and blue-light beads arranged in a specific pattern. This segmentation allows each unit to independently provide the desired red-to-blue-light ratio, ensuring uniform spectrum distribution across all planting points below the light bar.
Solution Approach 2:
Each light emitting unit is designed with a specific local arrangement of red and blue beads to achieve the target red-to-blue-light ratio at the local level. This local quality approach ensures that every planting point receives light with the correct spectrum ratio, rather than relying on overall average distribution.
2Device complexity
If conventional plant lamps use fixed spectrum arrangement, then device structure is simple, but it cannot meet different light requirements for different plant growth stages
Solution Approach 1:
The light bar incorporates multiple light emitting units that can be independently controlled to emit light or remain dark. This dynamic control allows the system to adjust the overall light output spectrum by selectively activating different units, enabling adaptation to various plant growth stages without complicating the physical structure.
Solution Approach 2:
The light bar design with multiple independently controllable light emitting units provides multi-functionality, allowing the same device to serve different plant growth stages (seedling, vegetative, flowering) by adjusting which units are active, rather than requiring different devices for each stage.
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
The device achieves uniform light spectrum distribution, meeting the specific light requirements for different growth stages of industrial hemp, enhancing growth and extract production by adjusting the red-to-blue-light irradiance ratios as needed.
Implementation Method 1
The light bar includes light beads emitting red light, blue light, far-red light, violet light, green light and orange light, respectively
Data Source
AI summary
A plant lamp device with adjustable spectrum includes a light bar, a power supply and a controller. The controller and the power supply are electrically connected to the light bar. The light bar includes light beads emitting red light, blue light, far-red light, violet light, green light, and orange light. The light beads include a first bead group and a second bead group having different of red-to-blue-light irradiance ratios. The controller is used to turn on or off the light bar, so that the plant lamp device operates the first bead group to generate first growth spectrum, or operates the first bead group and the second bead group together to generate second growth spectrum, thereby meeting the needs of the plant growth stage, and switching between the first growth spectrum and the second growth spectrum.