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靠近天花板的照明,一个有效的节能策略,用于室内农业上空单一来源的LED照明

Fatemeh Sheibani¹, Mike Bourget², Robert C Morrow²

¹Department of Horticulture and Landscape Architecture, Purdue University, West Lafayette, IN, United States.

Frontiers in plant science

|August 14, 2023

概括

使用发光二极管 (LED) 的近顶照明 (CCL) 在室内农业中将能源使用效率提高一倍. 减少LED和作物之间的距离可以捕获更多的光,节省能源并增加生物质产量.

科学领域:

农业工程农业工程
园艺科学园艺科学
植物生理学植物生理学

背景情况:

发光二极管 (LED) 的进步提高了它们在室内农业的效率.
由于光束传播,光子损失发生,降低了作物树冠光子捕获效率 (CCPCE).
优化光捕获对于提高室内农业的能源效率和产量至关重要.

研究的目的:

通过近顶照明 (CCL) 策略,研究降低垂直隔离距离对CCPCE的影响.
评估CCL在室内农业中的节能和提高产量的潜力.
为了确定CCL的最佳配置,考虑调光和反射罩.

主要方法:

测试了CCL策略,在LED和生菜作物之间设置了不同的隔离距离 (15-45厘米).
实施了两个策略:能源效率 (调色LED到恒定光合作用光子流量密度) 和产量增强 (恒定能量输入).
测量生物质生产,能源支出和能源利用效率 (g/kWh).

主要成果:

能源效率战略显示,跨越距离的生物质生产均等,但在更近的距离上,能源消耗显著降低.
提高产量策略为相同的能量输入在更近的距离产生了显著更高的生物质.
能源利用效率在15厘米相比于45厘米翻了一番,在封闭的隔间进一步提高.

结论:

靠近吊顶照明 (CCL) 是一种高效的策略,可以提高室内LED照明的节能和产量.
减少LED到作物的距离可以提高光子捕获和能源利用效率.
对于CCL实施,建议在可调节的LED支架和空气循环系统方面进行未来的创新.

关键词:

照明灯LED是指LED的灯光.接近天花板的照明.农作物-树冠光子捕获效率的效率能源利用效率,使用效率.室内农业室内农业绿叶蔬菜绿叶蔬菜是一种绿色的蔬菜.光子分布的光子分布垂直农业是一种垂直农业.

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