One kind stewing formula constant temperature coffee extracted device,Equipped with its appearance of outer pot cladding thermal insulation material again to beautify shell support,And what assembled inside soaking type electric heater,Temperature sensor and the power switch and electronic temperature controller of external assembling electricly connect,User can set different coffee extracted temperature in response to variety classes coffee bean or coffee taste,Other than it can automatically control the coolant-temperature gage in outer pot and it can show the coolant-temperature gage in instant outer pot； One group of removably netted bracket and interior pot fixing clamp are set inside outer pot again,For placing and fixing at least one interior pot that may only be dismantled,The accurate water temperature for controlling stable outer pot of thermal insulation material and electronic temperature controller is coated through outer pot appearance,The user's set temperature for allowing the ground coffee mixeding liquid temperature in interior pot to keep constant,To carry out constant temperature extracting coffee. This creation can extract the demand of coffee according to user, and design increases inside and outside pot capacity or is Pot devices in more, carries out mass production and stew formula constant temperature coffee juice beverage.一種燉煮式恆溫咖啡萃取器，設有一外鍋其外表包覆保溫材料再以美化外殼支撐，並於內部組裝浸水式電熱器、溫度感知器與外部組裝之電源開關及電子溫度控制器電控連接，使用者可以因應不同種類咖啡豆或咖啡品味設定不同的咖啡萃取溫度，除了能夠自動控制外鍋內的水溫度之外並能夠顯示即時的外鍋內的水溫度；又外鍋內部設置一組可拆卸的網狀托架與內鍋固定夾，以供放置並固定至少一只可以拆卸的內鍋，透過外鍋外表包覆保溫材料與電子溫度控制器的精密控制穩定外鍋的水溫，讓內鍋內的咖啡粉混合液溫度保持恆定的使用者設定溫度，以進行恆溫萃取咖啡。本創作可以依照使用者萃取咖啡的需求量，設計加大內、外鍋容量或為多內鍋裝置，進行大量生產燉煮式恆溫咖啡液飲料。
