JP2869221B2 - Refrigerator defrost control device - Google Patents
Refrigerator defrost control deviceInfo
- Publication number
- JP2869221B2 JP2869221B2 JP3236401A JP23640191A JP2869221B2 JP 2869221 B2 JP2869221 B2 JP 2869221B2 JP 3236401 A JP3236401 A JP 3236401A JP 23640191 A JP23640191 A JP 23640191A JP 2869221 B2 JP2869221 B2 JP 2869221B2
- Authority
- JP
- Japan
- Prior art keywords
- defrosting
- door
- closing
- opening
- time
- 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 - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/02—Sensors detecting door opening
Landscapes
- Defrosting Systems (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、貯蔵室の扉の開閉頻度
の小さい時間帯に除霜を行う冷蔵庫の除霜制御装置に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a defrosting control device for a refrigerator which performs defrosting in a time period when a door of a storage room is frequently opened and closed.
【０００２】[0002]
【従来の技術】本発明に先行する実公昭５５−７７９５
号公報に記載された従来の冷蔵庫の除霜制御装置では、
冷凍サイクルの動作時間をタイマーにて積算し、冷凍サ
イクルが所定時間運転された時点で除霜を開始してい
る。2. Description of the Related Art Prior to the present invention, Japanese Utility Model Publication No. 55-7795
In the conventional refrigerator defrost control device described in
The operation time of the refrigeration cycle is integrated by a timer, and defrosting is started when the refrigeration cycle has been operated for a predetermined time.
【０００３】しかしながら、この種従来の冷蔵庫の除霜
制御装置では、除霜がタイマーにより貯蔵室扉の開閉頻
度の高い時間帯に開始されてしまった場合、貯蔵室は冷
却不能状態において外気が頻繁に侵入して室温の上昇を
招来する欠点がある。However, in this type of conventional defrosting control device for a refrigerator, if defrosting is started by a timer in a time period when the frequency of opening and closing the storage room door is high, the storage room is in a state where cooling cannot be performed and the outside air frequently flows. Has the drawback of invading the air and raising the room temperature.
【０００４】[0004]
【発明が解決しようとする課題】本発明は前述の欠点を
解消し、除霜時の貯蔵室の温度上昇を抑制できる冷蔵庫
の除霜制御装置を提供するものである。SUMMARY OF THE INVENTION It is an object of the present invention to provide a defrosting control device for a refrigerator which solves the above-mentioned disadvantages and suppresses a rise in the temperature of a storage room during defrosting.
【０００５】[0005]
【課題を解決するための手段】本発明は、除霜装置を有
する冷蔵庫の除霜制御装置であって、１日を構成する複
数個の時間帯毎の冷蔵庫の扉の開閉回数を計数する計数
手段と、前記各時間帯毎の扉の開閉回数をそれぞれ格納
する開閉頻度メモリと、前記各時間帯毎の扉の開閉回数
に応じて各時間帯毎の扉開閉指数を設定する扉開閉指数
設定手段と、コンプレッサの運転時間を積算する運転時
間積算手段と、該運転時間および前記扉開閉指数に基づ
いて前記除霜装置を制御する除霜開始信号を生成するニ
ューラルネットワークで構成される除霜信号発生手段
と、を備えていることを特徴とする。SUMMARY OF THE INVENTION The present invention relates to a defrosting control device for a refrigerator having a defrosting device, which counts the number of times the refrigerator door is opened and closed for each of a plurality of time periods constituting one day. Means, an opening / closing frequency memory for storing the number of times the door is opened / closed for each time zone, and a door opening / closing index setting for setting a door opening / closing index for each time zone according to the number of times the door is opened / closed for each time zone. Means, an operating time integrating means for integrating the operating time of the compressor, and a neural network for generating a defrost start signal for controlling the defrosting device based on the operating time and the door opening / closing index. And generating means.
【０００６】[0006]
【作用】本発明によれば、扉の開閉頻度の小さい時間帯
に除霜を行なえるようになり、よって貯蔵室が冷却不能
状態で扉が頻繁に開閉されてしまうこと、それによる貯
蔵室の異常な温度上昇を防止できるようになる。According to the present invention, defrosting can be performed in a time period when the door is not frequently opened and closed, so that the door is frequently opened and closed in a state where the storage room cannot be cooled. An abnormal temperature rise can be prevented.
【０００７】[0007]
【実施例】次に本発明の一実施例について説明する。Next, an embodiment of the present invention will be described.
【０００８】図１において、１は扉開閉スイッチで、冷
蔵庫本体の内部に形成された貯蔵室の扉（図示しない）
の開閉回数を検出する。２は扉開閉スイッチ１にて検出
された開閉回数を積算する計数手段としての開閉回数積
算回路、３は開閉回数積算回路２の積算値を記憶する開
閉頻度メモリである。４はコンプレッサ運転時間積算手
段としてのコンプレッサ運転時間積算部で、コンプレッ
サの運転時間を積算することで、このコンプレッサとと
もに冷凍サイクルを構成する前記貯蔵室の冷却器（図示
しない）の冷却動作時間を間接的に積算する。５は前記
冷却器の除霜動作を開始を判断し、除霜制御する除霜開
始信号を生成する除霜信号発生手段としての除霜動作起
動ユニットで、後述するニューロコンピュータの多層ニ
ューラルネットワークで構成され、前記コンプレッサ運
転時間積算部４と前記開閉頻度メモリ３との出力等に基
づいて動作して除霜開始信号を出力する。この除霜開始
信号は、この信号に基づいて、冷凍サイクルの冷媒流切
替弁を切り替えて冷却器に高温冷媒を供給したり、電気
ヒーターを発熱させたりすることで、斯かる除霜装置に
より冷却器を除霜するように機能する。In FIG. 1, reference numeral 1 denotes a door opening / closing switch, which is a door (not shown) of a storage room formed inside the refrigerator body.
The number of times of opening and closing is detected. Reference numeral 2 denotes an opening / closing frequency accumulation circuit as a counting means for accumulating the number of opening / closing times detected by the door opening / closing switch 1, and reference numeral 3 denotes an opening / closing frequency memory for storing an integrated value of the opening / closing frequency accumulation circuit 2. Reference numeral 4 denotes a compressor operating time integrating section as a compressor operating time integrating means, which integrates the operating time of the compressor to indirectly control the cooling operation time of a cooler (not shown) of the storage room which forms a refrigeration cycle together with the compressor. Is integrated. Reference numeral 5 denotes a defrosting operation start unit as a defrosting signal generation unit that determines the start of the defrosting operation of the cooler and generates a defrosting start signal for controlling defrosting, and is configured by a multilayer neural network of a neurocomputer described later. Then, it operates based on the output of the compressor operating time integrating section 4 and the opening / closing frequency memory 3 and outputs a defrosting start signal. The defrosting start signal is cooled by the defrosting device by switching the refrigerant flow switching valve of the refrigeration cycle to supply a high-temperature refrigerant to the cooler or causing the electric heater to generate heat based on this signal. Serves to defrost the vessel.
【０００９】６はタイマで、１日を周期としてその時間
を複数個の時間帯に区分し、この区分された所定時間Ｔ
Ｃ毎に前記開閉頻度メモリ３等に起動をかける。Reference numeral 6 denotes a timer which divides the time into a plurality of time zones with a cycle of one day, and the divided predetermined time T
The opening / closing frequency memory 3 and the like are activated for each C.
【００１０】而して、前記開閉回数積算回路２は、前記
開閉頻度メモリ３に所定時間ＴＣ毎に起動がかかる度
に、各所定時間ＴＣ内の積算開閉回数Ｃijを開閉頻度メ
モリに伝えて記憶させるように構成してある。[0010] In Thus, the opening and closing frequency integrating circuit 2, the open and close it takes time started every predetermined time TC the frequency memory 3, conveys the accumulated number of times of opening and closing C ij in each predetermined time TC in switching frequency memory It is configured to be stored.
【００１１】前記開閉頻度メモリ３は、図２に示すよう
に、ｍ×ｎのマトリクスで構成してある。ここで、ｍ＝
２４／ＴＣ、ｎは必要とするデータ保存日数である。前
記所定時間ＴＣは、具体的には１時間に設定してある。As shown in FIG. 2, the opening / closing frequency memory 3 is constituted by an m × n matrix. Where m =
24 / TC, n is the required data storage days. The predetermined time TC is specifically set to one hour.
【００１２】前記除霜動作起動ユニット５は、その主要
部を、図３に示すようにニューロコンピュータの多層ニ
ューラルネットワーク６で構成してある。このニューラ
ルネットワーク６の入力層７のセル数はｍ＋１、出力層
８のセル数は１，中間層９のセル数は必要十分な数に設
定してある。入力層７に入力する扉の開閉頻度データＨ
iは、扉開閉指数設定手段（図示せず）によって設定さ
れる各時間帯毎の扉開閉指数としての１日の各時間帯開
閉評価指標で、時間帯ｉにおける、過去ｎ日間の扉の平
均開閉積算回数を示し、The main part of the defrosting operation starting unit 5 is constituted by a multilayer neural network 6 of a neurocomputer as shown in FIG. The number of cells in the input layer 7 of the neural network 6 is set to m + 1, the number of cells in the output layer 8 is set to 1, and the number of cells in the intermediate layer 9 is set to a necessary and sufficient number. Door opening / closing frequency data H input to the input layer 7
i is a time slot opening / closing evaluation index of one day as a door opening / closing index for each time slot set by a door opening / closing index setting means (not shown). Indicates the total number of open / close operations,
【００１３】[0013]
【数１】 (Equation 1)
【００１４】で表される。また、入力データＳＴは、冷
却器の前回の除霜終了時からのコンプレッサの運転積算
時間を示す。## EQU1 ## Further, the input data ST indicates the cumulative operation time of the compressor from the end of the previous defrosting of the cooler.
【００１５】前記ニューラルネットワーク６の学習方法
は、あらかじめ望ましいデータＳＴ、Ｈiの組み合わせ
について、除霜動作を開始すべきか否かのデータを教師
信号としてあらかじめ入力し、バックプロパゲーション
等の学習方法でニューラルネットワーク６を構成するセ
ルの結合係数や閾値を決めておき、教師信号と出力結果
との誤差が一定値以下になるようにする。[0015] learning method of the neural network 6, previously desired data ST, the combination of H i, the data whether or not to start the defrosting operation in advance input as a teacher signal, the learning method such as backpropagation The coupling coefficient and the threshold value of the cells constituting the neural network 6 are determined in advance so that the error between the teacher signal and the output result is equal to or less than a certain value.
【００１６】このように学習させておくことで、ニュー
ラルネットワーク６は、教師信号以外の入力信号具体的
には冷蔵庫の実際の運転時の信号を入力した時にこのニ
ューラルネットワーク６が自動的に内挿を行い扉の開閉
頻度の小さい時間帯に除霜信号を発生できるようにな
る。By learning in this way, the neural network 6 automatically interpolates when input signals other than the teacher signal, specifically, signals during the actual operation of the refrigerator are input. Then, a defrost signal can be generated in a time period when the door opening / closing frequency is small.
【００１７】前記除霜制御装置では、扉の開閉頻度の小
さい時間帯に除霜が行われ、従って、貯蔵室の冷却不能
状態で扉が頻繁に開閉されてしまうこと、それによる貯
蔵室の異常な温度上昇が防止されるようになる。In the defrosting control device, defrosting is performed in a time period when the door is not frequently opened and closed. Therefore, the door is frequently opened and closed in a state where the storage room cannot be cooled. Temperature rise can be prevented.
【００１８】[0018]
【発明の効果】本発明は以上のように構成したから、扉
の開閉頻度の小さい時間帯に除霜を行うことができ、貯
蔵室の冷却不能状態で扉が頻繁に開閉されたり、それに
よって貯蔵室の温度が異常に上昇するのを簡単な構成で
防止することができる。As described above, according to the present invention, defrosting can be performed during a time when the door is not frequently opened and closed, and the door is frequently opened and closed when the storage room cannot be cooled. An abnormal rise in the temperature of the storage room can be prevented with a simple configuration.
【図１】本発明の一実施例の構成図である。FIG. 1 is a configuration diagram of an embodiment of the present invention.
【図２】同実施例に備えた開閉頻度メモリの構成図であ
る。FIG. 2 is a configuration diagram of an opening / closing frequency memory provided in the embodiment.
【図３】同実施例に備えたニューラルネットワークの構
成図である。FIG. 3 is a configuration diagram of a neural network provided in the embodiment.
【符号の説明】 ２ 開閉回数積算回路 ３ 開閉頻度メモリ ５ 除霜動作起動ユニット Ｈi 開閉頻度データ[Description of Signs] 2 Open / close frequency integration circuit 3 Open / close frequency memory 5 Defrosting operation start unit Hi Open / close frequency data
───────────────────────────────────────────────────── フロントページの続き (72)発明者 福島 清司 守口市京阪本通２丁目18番地 三洋電機 株式会社内 (72)発明者 平田 俊通 守口市京阪本通２丁目18番地 三洋電機 株式会社内 (56)参考文献 特開 昭54−28055（ＪＰ，Ａ) 特開 昭63−254379（ＪＰ，Ａ) 特開 平４−273981（ＪＰ，Ａ) 特開 平５−26564（ＪＰ，Ａ) (58)調査した分野(Int.Cl.6，ＤＢ名) F25D 21/06 - 21/12 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Seiji Fukushima 2-18-18 Keihanhondori, Moriguchi City Sanyo Electric Co., Ltd. (72) Inventor Toshimichi Hirata 2-18-18 Keihanhondori, Moriguchi City Sanyo Electric Co., Ltd. (56) References JP-A-54-28055 (JP, A) JP-A-63-254379 (JP, A) JP-A-4-273981 (JP, A) JP-A-5-26564 (JP, A) ( 58) Field surveyed (Int. Cl. 6 , DB name) F25D 21/06-21/12
Claims (1)
であって、 １日を構成する複数個の時間帯毎の冷蔵庫の扉の開閉回
数を計数する計数手段と、 前記各時間帯毎の扉の開閉回数をそれぞれ格納する開閉
頻度メモリと、 前記各時間帯毎の扉の開閉回数に応じて各時間帯毎の扉
開閉指数を設定する扉開閉指数設定手段と、 コンプレッサの運転時間を積算する運転時間積算手段
と、 該運転時間および前記扉開閉指数に基づいて前記除霜装
置を制御する除霜開始信号を生成するニューラルネット
ワークで構成される除霜信号発生手段と、を備えている
ことを特徴とする冷蔵庫の除霜制御装置。1. A defrosting control device for a refrigerator having a defrosting device, comprising: counting means for counting the number of times the refrigerator door is opened and closed for each of a plurality of time zones constituting one day; An opening / closing frequency memory for storing the number of times the door is opened / closed, a door opening / closing index setting means for setting a door opening / closing index for each time zone according to the number of times the door is opened / closed for each time zone, and a compressor operating time. Operating time integrating means for integrating, and defrost signal generating means configured by a neural network for generating a defrost start signal for controlling the defrosting device based on the operating time and the door opening / closing index. A defrosting control device for a refrigerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3236401A JP2869221B2 (en) | 1991-09-17 | 1991-09-17 | Refrigerator defrost control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3236401A JP2869221B2 (en) | 1991-09-17 | 1991-09-17 | Refrigerator defrost control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0579749A JPH0579749A (en) | 1993-03-30 |
| JP2869221B2 true JP2869221B2 (en) | 1999-03-10 |
Family
ID=17000215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3236401A Expired - Fee Related JP2869221B2 (en) | 1991-09-17 | 1991-09-17 | Refrigerator defrost control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2869221B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4548278B2 (en) * | 2004-09-03 | 2010-09-22 | ダイキン工業株式会社 | Refrigeration equipment |
-
1991
- 1991-09-17 JP JP3236401A patent/JP2869221B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0579749A (en) | 1993-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1729223A2 (en) | Demand control apparatus, electric power consumption prediction method, and program therefor | |
| JPH05248756A (en) | Method of learning use pattern for controlling defrosting operation of refrigerator | |
| JPH06213548A (en) | Refrigerator | |
| JP2869221B2 (en) | Refrigerator defrost control device | |
| JP2869222B2 (en) | Refrigerator defrost control device | |
| JP2869224B2 (en) | Refrigerator defrost control device | |
| JP2902827B2 (en) | Refrigerator defrost control device | |
| JP2869223B2 (en) | Refrigerator defrost control device | |
| KR100609849B1 (en) | Refrigerator And Control Method Thereof | |
| JP2902831B2 (en) | Refrigerator defrost control device | |
| JP3193924B2 (en) | refrigerator | |
| JP2018009709A (en) | refrigerator | |
| JPH0526555A (en) | Method and controller for cooling operation of refrigerator | |
| JP3184334B2 (en) | refrigerator | |
| KR20190106292A (en) | Refrigerator system and Control method of the same | |
| JPS63254379A (en) | Defrostation control system of refrigerator | |
| JPH0415473A (en) | Defrosting device of refrigerator | |
| JP2885559B2 (en) | Refrigerator defrost control device | |
| JPS6321472A (en) | Defroster for refrigerator | |
| JPH07180940A (en) | Refrigerator | |
| JP3579169B2 (en) | Refrigerator control device | |
| JP2721801B2 (en) | vending machine | |
| JP3098892B2 (en) | refrigerator | |
| JPH06307693A (en) | Method of controlling air conditioner | |
| JPH02103372A (en) | Defrost controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |