溫室內溫度量測與環控系統效能評估

本研究主要在發展一種簡易、快速及準確性佳的驗證方式，量測溫室內部環境作物生長層溫度分佈狀態，以評估溫室環境控制設備之效能是否符合使用者的預期。研究利用無線感測器網路感測器模組，量測溫室內部作物生長層溫度資料，並傳送至後端處理器做資料分析處理，資料處理方式以統計模式中反應曲面設計法，標示植物生長層之位置與溫度變化之間的關係，結果再藉由連續立體圖形顯示溫度分佈狀態，讓系統管理人藉此視覺化顯示介面，立即瞭解其溫室內部溫度動態分佈，以評估和改善溫室環控設備運作之效能。以本次所使用之溫室為例，在環控設備全數啟動降溫狀態下，植物生長層溫度分佈呈凹向上趨勢，其中央溫度較西側低約1.2℃，較東側低約3℃。顯示此溫室縱軸之中間位置，氣流交換量較兩側縱軸交換量高，且有向西側偏移現象，故須調整風扇位置以提升兩側之通風量。

關鍵字

無線感測器網路；反應曲面法；溫室系統效能評估

並列摘要

In order to assess whether the efficiency of greenhouse environment control equipments meets user's expectation or not, the study focused on developing a simple, fast, and accurate verification method to measure temperature distribution of crops growth layers inside a greenhouse. Through wireless sensor network sensor module, the method measures temperature data of crops growth layers inside a greenhouse and sends the data to back-end processor for further analysis. To analyze the data, we applied Response Surface Methodology (RSM) of statistic mode to mark the relation between crops growth layers and temperature changes, and then show the temperature distribution status by using continuous 3-D images which allow system manager learn immediately how temperature distributes dynamically inside a greenhouse so he could assess and improve the efficiency of greenhouse environment control.Take the greenhouse used in this research for example, when the environment control equipment was activated to cool down the greenhouse, the distribution of crops growth layers is an increasing convex curve. The temperature of central axle area is 1.2℃ lower than the west side and 3℃ lower than the east side. This distribution shows that in the central area of the greenhouse's north-to-south axle, wind is stronger than west and east sides, and the west side is stranger than the east side; therefore, the fans need to be relocated to enhance both sides' wind.

並列關鍵字

WSN ； RSM ； greenhouse environment control

國際替代計量

溫室內溫度量測與環控系統效能評估

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