制御装置

Controller

Abstract

<P>PROBLEM TO BE SOLVED: To provide a controller for controlling cooling processing and defrosting processing while properly maintaining the quality of a commodity displayed in a showcase until the passage of a use-by date. <P>SOLUTION: The controller 20 is a controller for controlling the cooling processing for cooling the commodity 11 and the defrosting processing for removing generated frost, and is characterized in that it is provided with a temperature detecting part 22 detecting a temperature of the commodity 11, a calculation part 23 calculating a K value of the commodity 11 by the temperature detecting part 22 when the use-by date is passed on the basis of a K value of the commodity 11 at the start of displaying, the temperature detected by the temperature detecting part 22, and a relationship between predetermined detection temperatures by the temperature detecting part 22 and temporal variations of the K value of the commodity 11, and a cooler control part 26 controlling the cooling processing and the defrosting processing such that the K value calculated by the calculation part 23 is within a predetermined tolerance. <P>COPYRIGHT: (C)2007,JPO&INPIT
【課題】ショーケース内に陳列した商品の品質を消費期限経過時まで適正に維持する冷却処理および除霜処理を制御する制御装置を提供すること。 【解決手段】本発明にかかる制御装置20は、商品11を冷却する冷却処理および発生した霜を取り除く除霜処理を制御する制御装置において、商品11の温度を検出する温度検出部22と、陳列開始時における商品11のK値、温度検出部22によって検出された温度、および、予め求められた温度検出部22による検出温度と商品11のK値の時間変化量との関係をもとに、温度検出部22による消費期限経過時における商品11のK値を計算する計算部23と、計算部23によって計算されたK値が所定の許容範囲内となるように冷却処理および除霜処理を制御する冷却装置制御部26と、を備えたことを特徴とする。 【選択図】 図2

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Patent Citations (2)

    Publication numberPublication dateAssigneeTitle
    JP-H0622684-AFebruary 01, 1994Mitsubishi Electric Corp, 三菱電機株式会社Low-temperature storage device
    JP-S63263377-AOctober 31, 1988Nakano Reitoki SeisakushoDefrostation method in cooling showcase and device thereof

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