JP2882253B2 - Refrigerator control device - Google Patents

Refrigerator control device

Info

Publication number
JP2882253B2
JP2882253B2 JP5230247A JP23024793A JP2882253B2 JP 2882253 B2 JP2882253 B2 JP 2882253B2 JP 5230247 A JP5230247 A JP 5230247A JP 23024793 A JP23024793 A JP 23024793A JP 2882253 B2 JP2882253 B2 JP 2882253B2
Authority
JP
Japan
Prior art keywords
defrosting
compressor
input
refrigerator
cooler
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP5230247A
Other languages
Japanese (ja)
Other versions
JPH0783557A (en
Inventor
浪平 鈴木
英生 山本
泰彦 杉本
正史 長田
洋俊 大塚
和彦 萬谷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP5230247A priority Critical patent/JP2882253B2/en
Publication of JPH0783557A publication Critical patent/JPH0783557A/en
Application granted granted Critical
Publication of JP2882253B2 publication Critical patent/JP2882253B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00Means for sensing or measuring; Sensors therefor
    • F25D2700/02Sensors detecting door opening

Landscapes

  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Defrosting Systems (AREA)

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】この発明は、冷蔵庫の制御装置に
関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control device for a refrigerator.

【0002】[0002]

【従来の技術】従来の冷蔵庫では、圧縮機が動作すると
き、同時にタイマーにも通電され、タイマーは圧縮機の
運転時間を積算していき一定の時間に達したとき霜取り
動作を行うようになっている(実開昭58−19237
7号公報)。
2. Description of the Related Art In a conventional refrigerator, a timer is simultaneously energized when the compressor operates, and the timer accumulates the operation time of the compressor and performs a defrosting operation when a certain time is reached. (Actual opening 58-19237
No. 7).

【0003】また他の従来の冷蔵庫として、図5に示す
ものが提案されている(実開平1−106875号公
報)。図において、101は圧縮機、102はファン、
105は冷凍室、103は冷凍室105の庫内温度を検
知するための温度センサー(以下、冷凍室サーミス
タ)、129は電源回路、109は制御基板、131は
駆動回路である。冷凍室サーミスタ103を制御基板1
09により検知し、この制御基板109により駆動回路
131を制御し、圧縮機101を運転、停止させてい
る。また、同時にファン102も圧縮機101に同期さ
せていた。
FIG. 5 shows another conventional refrigerator (Japanese Utility Model Laid-Open No. 1-106875). In the figure, 101 is a compressor, 102 is a fan,
Reference numeral 105 denotes a freezing room, 103 denotes a temperature sensor (hereinafter, a freezing room thermistor) for detecting the temperature inside the refrigerator 105, 129 denotes a power supply circuit, 109 denotes a control board, and 131 denotes a drive circuit. Control the freezing room thermistor 103 on the control board 1
09, the control circuit 109 controls the drive circuit 131 to operate and stop the compressor 101. At the same time, the fan 102 is also synchronized with the compressor 101.

【0004】[0004]

【発明が解決しようとする課題】従来の冷蔵庫の制御
は、以上のように行われるので、冷蔵庫の使用状態に関
係なく、圧縮機が一定時間の運転を行った時点で霜取り
動作が始まるのっで冷蔵庫を頻繁に使用している時にも
霜取りが入るときが有り、保存している食品の温度に影
響を与えるという問題点があった。また、霜取りのタイ
ミングが常に最適なタイミングとならないため、必要以
上の入力を印加し効率の劣化につながっていた。
Since the conventional control of the refrigerator is performed as described above, the defrosting operation starts when the compressor operates for a certain period of time, regardless of the state of use of the refrigerator. However, there is a problem that defrosting may occur even when the refrigerator is frequently used, which affects the temperature of the stored food. In addition, since the defrosting timing is not always the optimal timing, an unnecessary input is applied, leading to a deterioration in efficiency.

【0005】この発明は、上記のような問題点を解消す
るためになされたもので、冷蔵庫の使用状態の応じてそ
の変化に対応しながら、庫内に保存している食品の食品
温度に影響を与えることなく、最適なタイミングで霜取
りを行う冷蔵庫の制御装置を得ることを目的とする。
SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and has an effect on the temperature of food stored in a refrigerator while responding to the change according to the use condition of the refrigerator. It is an object of the present invention to obtain a control device for a refrigerator that performs defrosting at an optimal timing without giving a defrost.

【0006】[0006]

【課題を解決するための手段】この発明に係る冷蔵庫の
制御装置は、圧縮機1を用いた冷凍サイクルの冷却器2
により生成された冷気を冷凍室8等へ送風機3で強制的
に循環させる冷蔵庫において、圧縮機1の運転状況、及
び冷凍室8の扉の開閉状況のデータが入力される入力手
段41と、冷却器2に付着した霜を除霜する除霜手段7
と、冷凍室8の温度を検知する冷凍室温度検知手段9
と、除霜手段7による冷却器2の除霜時、冷凍室温度検
知手段9が検出した冷凍室8の温度と除霜時間とから除
霜が最適に行われたか評価する評価手段44と、入力手
段41に入力された圧縮機1の運転状況及び冷凍室8の
扉の開閉状況のデータから評価手段44により入出力の
調整可能なルール(実行ニューラルネット)から最適な
霜取り間隔を設定する霜取り間隔決定手段42とを備え
たものである。
A control device for a refrigerator according to the present invention includes a cooler 2 for a refrigeration cycle using a compressor 1.
Means for inputting data on the operating status of the compressor 1 and the opening / closing status of the door of the freezing compartment 8 in a refrigerator in which the cool air generated by the above is forcibly circulated by the blower 3 to the freezing compartment 8 or the like; Defrosting means 7 for defrosting frost adhering to the vessel 2
And a freezing room temperature detecting means 9 for detecting the temperature of the freezing room 8
And an evaluator 44 that evaluates whether the defrost is optimally performed based on the temperature of the freezer compartment 8 detected by the freezer compartment temperature detector 9 and the defrost time when the cooler 2 is defrosted by the defroster 7, Defrosting for setting an optimal defrost interval from an input / output adjustable rule (execution neural network) by the evaluation means 44 based on the data of the operation status of the compressor 1 and the opening / closing status of the door of the freezer 8 input to the input means 41. And an interval determining means 42.

【0007】[0007]

【作用】この発明における冷蔵庫の制御装置は、圧縮機
の運転状況、及び冷凍室の扉の開閉状況から最適な霜取
り間隔が設定できると共に、最適な霜取り間隔を選択す
る実行ネットも、霜取りの評価値により補正されるの
で、常に最適な消費電力で食品に影響を与えない霜取り
ができる。
According to the refrigerator control apparatus of the present invention, the optimum defrost interval can be set based on the operation status of the compressor and the open / close status of the freezer door, and the execution net for selecting the optimum defrost interval also has an evaluation of defrost. Since the correction is made according to the value, defrosting that does not affect the food can always be performed with optimal power consumption.

【0008】[0008]

【実施例】実施例1. 以下この発明の一実施例について、図1〜4を用いて説
明する。図1は、この発明による冷蔵庫の一実施例の全
体構成図である。1は冷媒ガスを圧縮し冷凍サイクル内
を循環させる圧縮機、2はこの液化冷媒を蒸発させる蒸
発器として動作する冷却器、3はこの冷却器2により冷
却させた冷気を循環させるファン、5はこの冷気の一部
を冷蔵室4へ導く冷蔵室風路、6はこの風路5を開閉し
て冷蔵室4への冷気をコントロールするダンパー、7は
冷却器2に付いた霜を解かす除霜手段である霜取りヒー
タ、9は冷凍室8の温度を検知する冷凍室温度検知手段
であるFサーミスタ、10は冷蔵室4の温度を検知する
Rサーミスタ、11は扉の開閉を検知するドア検知器、
12は冷蔵庫の周囲温度を検知する外気サーミスタ、1
3は霜取りを終了させるために冷却器2の温度を検知す
るDEFサーミスタ、14は冷蔵庫全体を制御する制御
基板であり、ここで制御基板14は、制御手段15と制
御方法決定手段16からなる。
[Embodiment 1] An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is an overall configuration diagram of an embodiment of a refrigerator according to the present invention. 1 is a compressor that compresses refrigerant gas and circulates through the refrigeration cycle, 2 is a cooler that operates as an evaporator that evaporates the liquefied refrigerant, 3 is a fan that circulates cool air cooled by the cooler 2, and 5 is A refrigerating compartment air passage for guiding a part of the cold air to the refrigerating compartment 4, a damper 6 for opening and closing the recirculating passage 5 to control the cool air to the refrigerating compartment 4, and a defroster 7 for melting frost on the cooler 2. Defrosting heater as frost means, 9 is an F thermistor as freezing room temperature detecting means for detecting the temperature of the freezing room 8, 10 is an R thermistor for detecting the temperature of the refrigeration room 4, and 11 is a door detection for detecting opening and closing of the door. vessel,
12 is an outside air thermistor for detecting the ambient temperature of the refrigerator, 1
Reference numeral 3 denotes a DEF thermistor for detecting the temperature of the cooler 2 for terminating defrosting, and reference numeral 14 denotes a control board for controlling the entire refrigerator. Here, the control board 14 includes control means 15 and control method determination means 16.

【0009】次に図2を用いて、制御手段15の内容に
ついて説明する。図2で電気部品の電源17を入り切り
する手段としてスイッチ18,19,20があり、これ
はそれぞれ圧縮機1とファン3、ダンパー6、霜取りヒ
ータ7をオン/オフする接点である。この接点は、それ
ぞれコイル21,22,23により駆動され、これらコ
イルへの通電は、駆動回路24,25,26で通電さ
れ、このどれへ通電するかは、マイコン27により決定
される。マイコン27の入力としては、各サーミスタ
9,10,12,13とドア検知器11である。ここで
28〜31はサーミスタと電圧を分圧している分圧抵抗
である。
Next, the contents of the control means 15 will be described with reference to FIG. In FIG. 2, there are switches 18, 19, and 20 as means for turning on and off the power supply 17 of the electric components, which are contacts for turning on / off the compressor 1, the fan 3, the damper 6, and the defrost heater 7, respectively. These contacts are driven by coils 21, 22, and 23, respectively, and energization of these coils is performed by drive circuits 24, 25, and 26, and the microcomputer 27 determines which of these is energized. The inputs of the microcomputer 27 are the thermistors 9, 10, 12, 13 and the door detector 11. Here, 28 to 31 are voltage dividing resistors which divide the voltage between the thermistor and the voltage.

【0010】次に図3について説明する。扉開閉回数や
圧縮機の運転率等の圧縮機1の運転状況、及び冷凍室8
の扉の開閉状況のデータは、入力手段41に入力され
る。この後数値化されて霜取り間隔決定手段42にデー
タ入力として与えられる。霜取り間隔決定手段42では
最適な霜取り間隔が得られるように、調整されたニュー
ラルネットワーク(実行ネット)で構成されておりこの
出力が制御手段43に伝えられる。霜取り時には、冷凍
室の温度検知手段と霜取り時間から霜取りの評価手段4
4により評価値が算出され、霜取り間隔決定手段42の
実行ネットの結合度が調整されて、常に最適な霜取り間
隔が出力されるようになっている。
Next, FIG. 3 will be described. The operation status of the compressor 1 such as the number of times of opening and closing the door and the operation rate of the compressor, and the freezing room 8
The data on the opening / closing status of the door is input to the input means 41. Thereafter, it is digitized and given to the defrost interval determination means 42 as data input. The defrost interval determination means 42 is constituted by an adjusted neural network (execution net) so that an optimum defrost interval can be obtained, and the output is transmitted to the control means 43. At the time of defrosting, the temperature detecting means of the freezer and the defrosting evaluation means 4 based on the defrosting time.
4, the evaluation value is calculated, the degree of connection of the execution nets of the defrost interval determination means 42 is adjusted, and the optimal defrost interval is always output.

【0011】図4に動作過程を示すフローチャートを示
す。ステップ51とステップ52でメインルーチン内の
冷凍室サーミスタ9と扉開閉11入力を行い、ステップ
53で圧縮機の運転制御を行う。ステップ54で霜取り
間隔を決定するサブルーチンを呼び出している。霜取り
間隔を決定するルーチンでは、ステップ55で各定数を
計算しその結果を入力とする霜取り間隔を計算決定する
ニューラルネットで計算し最適な霜取り間隔を決定する
(ステップ56)。メインルーチン内ステップ57で霜
取りタイミングがきたら霜取りをスタートさせ各カウン
ターのセット、リセットを行う(ステップ58)。ステ
ップ59で霜取りの終了を判定し終了であれば、霜取り
を終了し(ステップ60)、ステップ61で霜取りの評
価値を計算しその数値で霜取り間隔を決定するニューラ
ルネットのつながりを修正し(ステップ62)、次回以
降はそれにより計算を行う。
FIG. 4 is a flowchart showing the operation process. At steps 51 and 52, the freezer compartment thermistor 9 and the door opening / closing 11 in the main routine are inputted, and at step 53, the operation of the compressor is controlled. In step 54, a subroutine for determining the defrost interval is called. In the routine for determining the defrosting interval, the optimum defrosting interval is determined by calculating each constant in step 55 and calculating the defrosting interval using the result as an input by a neural network (step 56). When the defrost timing comes in step 57 in the main routine, defrost is started and each counter is set and reset (step 58). The end of the defrosting is determined in step 59, and if it is, the defrosting is ended (step 60). In step 61, the evaluation value of the defrosting is calculated, and the connection of the neural network for determining the defrosting interval based on the calculated value is corrected (step 60). 62) Then, the calculation is performed by the next and subsequent times.

【0012】この実施例によれば、圧縮機の運転積算時
間、運転率、及び扉の開閉回数、開閉率等から最適な霜
取り間隔が設定できると共に、最適な霜取り間隔を選択
する実行ネットも、霜取りの評価値により補正されるの
で、常に最適な消費電力で食品に影響を与えない霜取り
ができる。
According to this embodiment, the optimum defrosting interval can be set from the accumulated operation time of the compressor, the operation rate, the number of times of opening and closing of the door, the opening and closing rate, and the like, and the execution net for selecting the optimum defrosting interval is also provided. Since the correction is made based on the evaluation value of the defrosting, it is possible to always perform the defrosting without affecting the food with the optimal power consumption.

【0013】[0013]

【発明の効果】この発明に係る冷蔵庫の制御装置は、圧
縮機1を用いた冷凍サイクルの冷却器2により生成され
た冷気を冷凍室8等へ送風機3で強制的に循環させる冷
蔵庫において、圧縮機1の運転状況、及び冷凍室8の扉
の開閉状況のデータが入力される入力手段41と、冷却
器2に付着した霜を除霜する除霜手段7と、冷凍室8の
温度を検知する冷凍室温度検知手段9と、除霜手段7に
よる冷却器2の除霜時、冷凍室温度検知手段9が検出し
た冷凍室8の温度と除霜時間とから除霜が最適に行われ
たか評価する評価手段44と、入力手段41に入力され
た圧縮機1の運転状況及び冷凍室8の扉の開閉状況のデ
ータから評価手段44により入出力の調整可能なルール
(実行ニューラルネット)から最適な霜取り間隔を設定
する霜取り間隔決定手段42とを備えた構成にしたの
で、圧縮機の運転積算時間、運転率、及び扉の開閉回
数、開閉率等から最適な霜取り間隔が設定できると共
に、最適な霜取り間隔を選択する実行ネットも、霜取り
の評価値により補正されるので、常に最適な消費電力で
食品に影響を与えない霜取りができる。
According to the present invention, there is provided a refrigerator control apparatus for a refrigerator in which a cooler generated by a cooler 2 of a refrigeration cycle using a compressor 1 is forcibly circulated by a blower 3 to a freezing room 8 or the like. Input means 41 for inputting data on the operation status of the machine 1 and the opening / closing status of the door of the freezing compartment 8, the defrosting means 7 for defrosting frost adhering to the cooler 2, and detecting the temperature of the freezing compartment 8 When the defrosting of the cooler 2 by the freezing room temperature detecting means 9 and the defrosting means 7 is performed, whether the defrosting is optimally performed based on the temperature of the freezing room 8 detected by the freezing room temperature detecting means 9 and the defrosting time. Optimal from the evaluation means 44 to be evaluated and the rules (executable neural network) whose input and output can be adjusted by the evaluation means 44 based on the data of the operating status of the compressor 1 and the opening / closing status of the door of the freezer 8 input to the input means 41. The defrost interval to set the appropriate defrost interval With the configuration including the means 42, the optimal defrost interval can be set from the accumulated operation time of the compressor, the operation rate, the number of times of opening and closing of the door, the opening and closing rate, and the like, and the execution net for selecting the optimal defrost interval is also provided. Since it is corrected by the defrosting evaluation value, it is possible to always perform defrosting with optimal power consumption and without affecting the food.

【図面の簡単な説明】[Brief description of the drawings]

【図1】この発明の一実施例による冷蔵庫の制御装置の
全体構成図である。
FIG. 1 is an overall configuration diagram of a refrigerator control device according to an embodiment of the present invention.

【図2】この発明の一実施例による冷蔵庫の制御装置の
回路図である。
FIG. 2 is a circuit diagram of a control device of the refrigerator according to one embodiment of the present invention.

【図3】この発明の一実施例による冷蔵庫の制御装置の
ブロック図である。
FIG. 3 is a block diagram of a control device of the refrigerator according to one embodiment of the present invention;

【図4】この発明の一実施例による冷蔵庫の動作を示す
フローチャート図である。
FIG. 4 is a flowchart showing the operation of the refrigerator according to one embodiment of the present invention.

【図5】従来の冷蔵庫の全体構成図である。FIG. 5 is an overall configuration diagram of a conventional refrigerator.

【符号の説明】[Explanation of symbols]

1 圧縮機 2 冷却器 3 ファン 7 霜取りヒータ 8 冷凍室 9 Fサーミスタ 11 ドア検知器 13 DEFサーミスタ 14 制御基板 15 制御手段 41 入力手段 42 霜取り間隔決定手段 43 制御手段 44 評価手段 REFERENCE SIGNS LIST 1 compressor 2 cooler 3 fan 7 defrost heater 8 freezer 9 F thermistor 11 door detector 13 DEF thermistor 14 control board 15 control means 41 input means 42 defrost interval determination means 43 control means 44 evaluation means

───────────────────────────────────────────────────── フロントページの続き (72)発明者 長田 正史 鎌倉市大船二丁目14番40号 三菱電機株 式会社 生活システム開発研究所内 (72)発明者 大塚 洋俊 鎌倉市大船二丁目14番40号 三菱電機株 式会社 生活システム開発研究所内 (72)発明者 萬谷 和彦 鎌倉市大船二丁目14番40号 三菱電機株 式会社 生活システム開発研究所内 (58)調査した分野(Int.Cl.6,DB名) F25D 21/06 F25D 11/00 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Masafumi Nagata 2--14-40 Ofuna, Kamakura City Mitsubishi Electric Corporation Living System Development Laboratory (72) Inventor Hirotoshi Otsuka 2-14-40 Ofuna, Kamakura City Mitsubishi Within the Life Systems Development Laboratory of Electric Co., Ltd. (72) Kazuhiko Manya 2-14-40 Ofuna, Kamakura City Mitsubishi Life Co., Ltd. Life Systems Development Laboratory (58) Investigated field (Int.Cl. 6 , DB name ) F25D 21/06 F25D 11/00

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 圧縮機1を用いた冷凍サイクルの冷却器
2により生成された冷気を冷凍室8等へ送風機3で強制
的に循環させる冷蔵庫において、 前記圧縮機1の運転状況、及び前記冷凍室8の扉の開閉
状況のデータが入力される入力手段41と、 前記冷却器2に付着した霜を除霜する除霜手段7と、 前記冷凍室8の温度を検知する冷凍室温度検知手段9
と、 前記除霜手段7による前記冷却器2の除霜時、前記冷凍
室温度検知手段9が検出した前記冷凍室8の温度と除霜
時間とから除霜が最適に行われたか評価する評価手段4
4と、 前記入力手段41に入力された前記圧縮機1の運転状況
及び前記冷凍室8の扉の開閉状況のデータから前記評価
手段44により入出力の調整可能なルール(実行ニュー
ラルネット)から最適な霜取り間隔を設定する霜取り間
隔決定手段42と、 を備えたことを特徴とする冷蔵庫の制御装置。
1. A refrigerator in which cool air generated by a cooler 2 of a refrigeration cycle using a compressor 1 is forcibly circulated by a blower 3 to a freezing room 8 or the like. Input means 41 for inputting data on the opening / closing status of the door of the chamber 8; defrosting means 7 for defrosting frost adhering to the cooler 2; and freezing room temperature detecting means for detecting the temperature of the freezing room 8. 9
When defrosting the cooler 2 by the defrosting means 7, an evaluation is performed to evaluate whether the defrosting is optimally performed based on the temperature of the freezing compartment 8 detected by the freezing compartment temperature detecting means 9 and the defrosting time. Means 4
4 based on the operation status of the compressor 1 and the data of the opening / closing status of the door of the freezing room 8 input to the input means 41, the input / output adjustment rule by the evaluation means 44 (optimized neural network). A defrosting interval determining means 42 for setting a defrosting interval.
JP5230247A 1993-09-16 1993-09-16 Refrigerator control device Expired - Lifetime JP2882253B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5230247A JP2882253B2 (en) 1993-09-16 1993-09-16 Refrigerator control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5230247A JP2882253B2 (en) 1993-09-16 1993-09-16 Refrigerator control device

Publications (2)

Publication Number Publication Date
JPH0783557A JPH0783557A (en) 1995-03-28
JP2882253B2 true JP2882253B2 (en) 1999-04-12

Family

ID=16904830

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5230247A Expired - Lifetime JP2882253B2 (en) 1993-09-16 1993-09-16 Refrigerator control device

Country Status (1)

Country Link
JP (1) JP2882253B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102607831B1 (en) * 2021-08-18 2023-11-29 주식회사 프리즈 Refrigerator that can perform a defrost operation by judging the occurrence of frost based on the image, and operating method thereof

Also Published As

Publication number Publication date
JPH0783557A (en) 1995-03-28

Similar Documents

Publication Publication Date Title
US5918474A (en) Fan motor on/off control system for a refrigeration appliance
JP3320082B2 (en) Refrigerator control device
US5787718A (en) Method for controlling quick cooling function of refrigerator
JP2001215077A (en) Defrost controller, method for controlling and refrigerator
JPH07239168A (en) Defrosting device for refrigerator
JPH0894234A (en) Defrosting device for refrigerator
JP3716593B2 (en) refrigerator
JPH10170131A (en) Defrosting operation control method for refrigerator
JP2882253B2 (en) Refrigerator control device
JPH10111064A (en) Control method for cooling fan of refrigerator
JP2827673B2 (en) Refrigerator control device
JP3497255B2 (en) Refrigeration equipment
KR100190126B1 (en) Defrosting cycling decision method and its apparatus for evaporator of a refrigerator
JP2005172300A (en) Refrigerator
JPH10205977A (en) Refrigerator
JP3436767B2 (en) refrigerator
JPH10227555A (en) Controlling for refrigerator
JPH0689979B2 (en) Speed control refrigerator / freezer
JPH06281315A (en) Freezer/refrigerator
JP2001272156A (en) Method for controlling electric refrigerator
JPS6014080A (en) Defroster
KR100208355B1 (en) Refrigerator and its defrost control method
JPH0235226B2 (en) KYUSOKUREITOSOCHIOSONAETAREIZOKO
JPH05256551A (en) Thawing device
JPH0618884U (en) Refrigerator defroster

Legal Events

Date Code Title Description
FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080205

Year of fee payment: 9

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090205

Year of fee payment: 10

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100205

Year of fee payment: 11

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100205

Year of fee payment: 11

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110205

Year of fee payment: 12

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120205

Year of fee payment: 13

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130205

Year of fee payment: 14

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130205

Year of fee payment: 14

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140205

Year of fee payment: 15