臺灣博碩士論文加值系統

對於沖泡咖啡或茶葉等飲品品質有要求的使用者來說，水溫和沖泡水量的調控往往是不可或缺的一環。當水溫不到需求時，過低的水溫無法醞釀出氣味，反之過高的水溫容易使氣味變質、破壞當中的營養成分。如果上述問題能夠整合在一起，使沖泡不再是憑藉著直覺，而是更有系統化的調控，將會大大降低沖泡失誤的機率，也能確保品質的穩定。
本論文之研究採用盛群微控制器 HT66F70A，與溫度感測器 DSl8B20、流量感測器YF-S402 作為主要核心。溫度感測元件透過微控制器的類比與數位轉換功能輸出數位訊號，判斷加熱與否，確保容器恆溫，再利用流量感測器，透過水流經過渦輪產生的方波訊號偵測輸出水量。恆溫水配合流量控制依照熱平衡比例調配，藉此達到水量與溫度準確輸出。
觀察市售加熱式電熱水瓶以及飲水機，使用者大多無法自行調整輸出水溫以及水量，故本研究依照日常常見沖泡物作設定，所提供之溫度範圍為攝氏 30～80 度，水量輸出範圍為100～300 毫升，以利於使用者選擇，達到方便、快速、準確的效果。

For users who demand quality in brewing beverages such as coffee or tea, controlling the temperature and amount of water is often an essential part of the process. When the water temperature is not as high enough, the fragrance cannot be generated. On the other hand, when the water is too hot, it may spoil the taste and destroy the nutrients therein. If the above issues can be solved, and we no longer rely on our instinct during the brewing process but instead making it systematically controlled, it will greatly reduce the chance of brewing errors and ensure stable quality.
In this thesis, we use Holtek microcontroller HT66F70A, temperature sensor DSl8B20, and water flow sensor YF-S402 as the core of the device. After the microcontroller converts the analog signals into digital ones, the temperature sensing element would receive the signals and judge whether to heat up the container, thereby ensuring a constant temperature. The water flow sensor will then detect the amount of water output through the square wave signal generated by the water flowing through the turbine. The constant temperature water and flow control are adjusted according to the thermal balance ratio to achieve an accurate output of water volume and temperature.
It has been observed that most of the electric boilers and water dispensers available in the market do not allow the users to adjust the output temperature and amount of water. Therefore, this study uses the common daily beverages as the basis and has the device provide water with a temperature range of 30°C to 80°C and water volume range of 100ml to 300ml, making it convenient, fast and accurate for users.

摘要.....i
Abstract.....ii
誌謝.....iv
目錄.....v
表目錄.....vii
圖目錄.....viii
第一章 緒論.....1
1.1 前言.....1
1.2 研究目的與動機.....1
1.3 系統簡介.....2
1.4 論文架構.....3
第二章 文獻探討.....4
2.1 熱的原理概要.....4
2.1.1 熱的傳遞方式.....4
2.1.2 熱對流.....4
2.1.3 熱平衡.....5
2.1.4 比熱.....5
2.1.5 比熱與熱的變化.....5
2.2 流量計算的原理概要.....6
2.2.1 流量.....6
2.2.2 水的流量.....7
2.3 流量感測器常見的種類.....8
2.3.1 渦輪式流量計.....8
2.3.2 電磁式流量計.....8
2.3.3 浮子式流量計.....9
第三章 研究內容與方法.....10
3.1 元件介紹.....10
3.1.1 盛群微控制器 HT66F70A 介紹.....10
3.1.2 盛群微控制器 HT66F70A 功能介紹.....12
3.1.3 溫度感測器.....14
3.1.4 流量感測器.....16
3.1.5 繼電器.....17
3.1.6 馬達控制模組.....18
3.1.7 16×2 LCD 顯示器(Liquid crystal display).....19
3.2 系統架構.....20
3.2.1 硬體架構.....20
3.2.2 軟體架構.....21
3.2.3 電路架構.....23
3.2.4 功能操作流程.....25
3.2.5 實體安裝圖.....26
第四章 實驗系統與測試.....28
4.1 溫度感測器的量測.....29
4.1.1 常溫水下溫度感測器的量測.....30
4.1.2 使用者設定之溫度量測.....31
4.2 流量感測器的量測.....32
4.3 整合性測試結果分析.....34
4.4 恆溫加熱與調配時間.....35
第五章 結論.....36
5.1 結論.....36
5.2 未來展望.....36
參考文獻.....38
Extended Abstract.....40

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