JPH11325688A - Controller for refrigerator - Google Patents

Controller for refrigerator

Info

Publication number
JPH11325688A
JPH11325688A JP13815698A JP13815698A JPH11325688A JP H11325688 A JPH11325688 A JP H11325688A JP 13815698 A JP13815698 A JP 13815698A JP 13815698 A JP13815698 A JP 13815698A JP H11325688 A JPH11325688 A JP H11325688A
Authority
JP
Japan
Prior art keywords
heat
absorbing element
compressor
refrigerator
control device
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.)
Pending
Application number
JP13815698A
Other languages
Japanese (ja)
Inventor
Yasuyuki Iino
安行 飯野
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.)
Fujitsu General Ltd
Original Assignee
Fujitsu General Ltd
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 Fujitsu General Ltd filed Critical Fujitsu General Ltd
Priority to JP13815698A priority Critical patent/JPH11325688A/en
Publication of JPH11325688A publication Critical patent/JPH11325688A/en
Pending legal-status Critical Current

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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
    • F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
    • F25B2321/021—Control thereof
    • F25B2321/0212—Control thereof of electric power, current or voltage

Landscapes

  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a controller for refrigerator in which power consumption is averaged while suppressing inner temperature rise by operating a compressor for precooling during off-peak interval, e.g. a noon recess, and operating the compressor intermittently during on-peak interval immediately after noon recess. SOLUTION: A heat generating/absorbing element 8 is disposed closely to a temperature sensor 7 in a freezing chamber 1a and a timer 9 for setting the conducting moment and time of the element (Peltier effect element) 8 is provided. During an off-peak interval, e.g. a noon recess, the element 8 is conducted as a heat generating element to operate a compressor 2 for the purpose of precooling. During an on-peak interval immediately after noon recess, the element 8 is conducted intermittently as a heat absorbing element to operate the compressor 2 intermittently under control of a control section 6.

Description

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

【０００１】[0001]

【発明の属する技術分野】本発明は、冷蔵庫の制御装置
に係わり、とくに、昼休み等のオフピーク期間に圧縮機
を動作させてプレクールし、昼休み直後のオンピーク期
間に圧縮機が動作しないように制御することにより、電
力消費の平準化を図るものに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control device for a refrigerator, and particularly to a compressor which is operated during an off-peak period such as a lunch break to perform pre-cooling, and is controlled so that the compressor does not operate during an on-peak period immediately after a lunch break. In this regard, the present invention relates to an apparatus for leveling power consumption.

【０００２】[0002]

【従来の技術】図４は、従来の冷蔵庫の制御装置を示す
概略構成図、図５は、一日の電力消費量と従来の冷蔵庫
の動作、温度変化を示す説明図である。従来の冷蔵庫の
制御装置は、図４に示すように、圧縮機２の吐出口から
凝縮機３、減圧器４、蒸発器５、圧縮機２の吸込口に順
次配管接続して冷媒流路を形成し、通常、冷凍室１ａ内
に備える温度センサー７の検出温度に基づき制御部６が
圧縮機２をオン、オフ制御するようにしている。2. Description of the Related Art FIG. 4 is a schematic configuration diagram showing a control device of a conventional refrigerator, and FIG. 5 is an explanatory diagram showing daily power consumption, operation of the conventional refrigerator, and temperature change. As shown in FIG. 4, a conventional refrigerator control device sequentially connects pipes from a discharge port of a compressor 2 to a condenser 3, a decompressor 4, an evaporator 5, and a suction port of a compressor 2 to connect a refrigerant flow path. The control unit 6 normally turns on and off the compressor 2 based on the temperature detected by the temperature sensor 7 provided in the freezing room 1a.

【０００３】しかし、近年の電力消費は、図５に示すよ
うに、昼間の電力消費が夜間より多く、特に、午後１時
から３時頃までオンピークとなり、昼休み時間の午後１
２時から１時頃までオフピークとなっている。電力会社
は、この午後１時から３時頃までのオンピーク期間の最
大電力に合わせて、設備投資をしなければならず、電力
消費の平準化が地球温暖化を防止するために必要不可欠
なものとなっている。[0005] However, in recent years, as shown in FIG. 5, the power consumption in the daytime is higher than that in the nighttime.
It is off peak from 2:00 to 1:00. Electricity companies must make capital investments in line with the maximum power during the on-peak period from 1 pm to 3 pm, and leveling power consumption is essential to prevent global warming. It has become.

【０００４】[0004]

【発明が解決しようとする課題】本発明は以上述べた問
題点を解決し、昼休み等のオフピーク期間に圧縮機を動
作させてプレクールし、昼休み直後のオンピーク期間に
圧縮機を間欠的に断続運転するように制御することによ
り、電力消費の平準化と、庫内温度の上昇を抑えること
のできる冷蔵庫の制御装置を提供することを目的として
いる。SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems and operates the compressor during off-peak periods such as during lunch breaks to perform precooling, and intermittently operates the compressors during the on-peak period immediately after lunch break. An object of the present invention is to provide a control device for a refrigerator capable of leveling power consumption and suppressing a rise in the internal temperature by controlling so as to perform the control.

【０００５】[0005]

【課題を解決するための手段】本発明は上述の課題を解
決するため、冷凍室内に温度センサーを備え、同温度セ
ンサーにより圧縮機をオン、オフ制御する冷蔵庫の制御
装置において、前記温度センサーの近傍に発熱吸熱素子
を設けると共に、同発熱吸熱素子に通電する時刻および
時間を設定するタイマーを設け、オフピーク期間に該発
熱吸熱素子を発熱素子となるように通電することにより
前記圧縮機を動作させてプレクールし、オンピーク期間
に該発熱吸熱素子を吸熱素子となるように通電すること
により前記圧縮機を断続運転動作させるよう制御してな
るようにする。In order to solve the above-mentioned problems, the present invention provides a refrigerator control device which includes a temperature sensor in a freezer compartment and controls on / off of a compressor by the temperature sensor. A heat generating / absorbing element is provided in the vicinity, and a timer is provided for setting the time and time for energizing the heat generating / absorbing element, and the compressor is operated by energizing the heat generating / absorbing element during the off-peak period to become a heating element. Then, the compressor is controlled so as to perform the intermittent operation by energizing the exothermic heat absorbing element to be the heat absorbing element during the on-peak period.

【０００６】また、前記発熱吸熱素子に、低電圧駆動用
のものを使用するようにする。そして、前記発熱吸熱素
子を発熱素子となるようにする通電期間を、オフピーク
開始時刻から終了時刻の一定時間前までとするようにす
る。In addition, a low-voltage drive element is used as the heat-absorbing element. Then, an energization period in which the heat-absorbing element becomes a heat-generating element is set to be a certain time before the off-peak start time to the end time.

【０００７】また、前記発熱吸熱素子を吸熱素子となる
ようにする通電期間を、オンピーク開始時刻から終了時
刻の一定時間前までの間欠期間とするようにする。[0007] Further, an energizing period in which the heat-absorbing element becomes a heat-absorbing element is an intermittent period from the on-peak start time to a predetermined time before the end time.

【０００８】さらに、前記発熱吸熱素子と前記温度セン
サーとを熱的に結合する高熱伝導部材を設けてなるよう
にする。また、前記高熱伝導部材の材質が、銅であるよ
うにする。そして、前記発熱吸熱素子およびタイマー
を、ユニット化して冷蔵庫本体と別体に設けてなるよう
にする。また、前記発熱吸熱素子が、ペルチェ効果素子
であるようにする。Further, a high heat conductive member for thermally connecting the heat-absorbing element and the temperature sensor is provided. Further, the material of the high heat conductive member is copper. The heat-absorbing element and the timer are unitized and provided separately from the refrigerator body. Further, the heat-absorbing element is a Peltier effect element.

【０００９】[0009]

【発明の実施の形態】発明の実施の形態を実施例に基づ
き添付図面を参照して詳細に説明する。なお、構成品の
番号は同じものについては同一の番号を使用する。図１
は、本発明による冷蔵庫の制御装置の一実施例を示す概
略構成図、図２は、一日の電力消費量と本発明による冷
蔵庫の制御装置の動作、温度変化を示す説明図、図３
（ａ）、（ｂ）は、本発明による冷蔵庫の制御装置の一
実施例を示す要部説明図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described in detail based on embodiments with reference to the accompanying drawings. The same numbers are used for the same components. FIG.
FIG. 2 is a schematic configuration diagram showing one embodiment of a refrigerator control device according to the present invention. FIG. 2 is an explanatory diagram showing daily power consumption, operation of the refrigerator control device according to the present invention, and temperature change.
(A), (b) is principal part explanatory drawing which shows one Example of the control apparatus of the refrigerator by this invention.

【００１０】図において、１は冷蔵庫の制御装置本体、
１ａは冷凍室、２は圧縮機、３は凝縮機、４は減圧器、
５は蒸発器、６は制御部、７は冷凍室１ａ内温度を検出
する温度センサー、８は前記温度センサー７近傍に配置
される低電圧駆動の発熱吸熱素子、９は前記発熱吸熱素
子８に通電する時刻および通電時間を設定するタイマー
である。１１は、前記温度センサー７と前記発熱吸熱素
子８を熱的に結合する高熱伝導部材である。In the figure, reference numeral 1 denotes a refrigerator control device main body,
1a is a freezing room, 2 is a compressor, 3 is a condenser, 4 is a decompressor,
Reference numeral 5 denotes an evaporator, 6 denotes a control unit, 7 denotes a temperature sensor for detecting the temperature in the freezer compartment 1a, 8 denotes a low-voltage driven heat-absorbing element arranged near the temperature sensor 7, and 9 denotes a heat-absorbing element 8 This is a timer for setting the time of energization and the energization time. Reference numeral 11 denotes a high heat conductive member that thermally couples the temperature sensor 7 and the heat generating / absorbing element 8.

【００１１】図に示すように、圧縮機２の吐出口から凝
縮機３、減圧器４、蒸発器５、圧縮機２の吸込口に順次
配管接続して冷媒流路を形成し、通常、冷凍室１ａ内に
備える温度センサー７の検出温度により制御部６が圧縮
機２をオン、オフ制御している。また、前記温度センサ
ー７の近傍に低電圧駆動用の発熱吸熱素子８を設けてい
る。同発熱吸熱素子８として、この実施例では電流の方
向により発熱と吸熱を切換える効果を有するペルチェ効
果素子を用いている。さらに、前記温度センサー７と前
記発熱吸熱素子８を熱的に結合する材質が銅である高熱
伝導部材１１を設けている。As shown in the figure, a refrigerant flow path is formed by connecting pipes from a discharge port of a compressor 2 to a condenser 3, a decompressor 4, an evaporator 5, and a suction port of the compressor 2 in order to form a refrigerant flow path. The control unit 6 controls the compressor 2 on and off based on the temperature detected by the temperature sensor 7 provided in the chamber 1a. Further, a heat generating / absorbing element 8 for low voltage driving is provided near the temperature sensor 7. In this embodiment, a Peltier effect element having an effect of switching between heat generation and heat absorption according to the direction of current is used as the heat generating / absorbing element 8. Further, there is provided a high heat conductive member 11 made of copper as a material for thermally connecting the temperature sensor 7 and the heat generating / absorbing element 8.

【００１２】前記タイマー９は、前記発熱吸熱素子８に
通電する時刻および通電時間を設定できるようになって
いる。例えば、図２に示すような電力消費に対応して、
オフピーク期間の開始時刻（１２時）を通電開始時刻と
し、終了する５分前に通電を解除するようにタイマー９
を設定しておくことができる。The timer 9 can set a time and an energizing time to energize the heat-generating / absorbing element 8. For example, corresponding to the power consumption shown in FIG.
The start time (12:00) of the off-peak period is set as the energization start time, and the timer 9 is set to release the energization 5 minutes before the end.
Can be set.

【００１３】以上の構成において、つぎにその動作を説
明する。いま、１２時になると、タイマー９がオンして
発熱吸熱素子８が発熱素子となるように通電すると、温
度センサー７が発熱吸熱素子８の温度を検出するので検
出温度が上昇し、制御部６が制御して圧縮機２を動作さ
せ、プレクールすることができる。このように、前記発
熱吸熱素子８への通電期間を、オフピーク開始時刻から
終了時刻の一定時間前までとしたので、動作が確実であ
る。The operation of the above configuration will now be described. Now, at 12 o'clock, when the timer 9 is turned on and energized so that the heat-generating and heat-absorbing element 8 becomes a heat-generating element, the temperature sensor 7 detects the temperature of the heat-generating heat-absorbing element 8, so the detected temperature rises. The compressor 2 can be operated under control to perform pre-cooling. As described above, since the energization period to the heat-absorbing element 8 is set to be a certain time before the off-peak start time to the end time, the operation is reliable.

【００１４】つぎに、１２時５５分になり、前記発熱吸
熱素子８が吸熱素子となるように間欠的に通電すると、
オンピーク期間（１３時から１５時）の期間は前記圧縮
機２を断続運転させ、電力消費を削減し、庫内温度の上
昇を抑えることができるようにしている。なお、この発
熱吸熱素子８およびタイマー９はユニット１０として、
冷蔵庫の制御装置本体１とは別体に用意することもでき
る。また、前記発熱吸熱素子８に、低電圧駆動用のもの
を使用するようにしたので、感電等に対する安全性を確
保できる。さらに、前記発熱吸熱素子８およびタイマー
９を、ユニット化して冷蔵庫の制御装置本体１と別体に
設ければ、従来の冷蔵庫の制御装置本体に付加して使用
できる。Next, at 12:55, when current is intermittently applied so that the heat-generating and heat-absorbing element 8 becomes a heat-absorbing element,
During the on-peak period (13:00 to 15:00), the compressor 2 is operated intermittently to reduce power consumption and suppress an increase in the temperature in the refrigerator. The heat-absorbing element 8 and the timer 9 constitute a unit 10
It can also be prepared separately from the control device body 1 of the refrigerator. In addition, since a low-voltage driving element is used as the heat-generating / absorbing element 8, safety against electric shock or the like can be ensured. Further, if the heat generating / absorbing element 8 and the timer 9 are unitized and provided separately from the control device main body 1 of the refrigerator, they can be used in addition to the control device main body of the conventional refrigerator.

【００１５】[0015]

【発明の効果】以上説明したように、本発明による冷蔵
庫の制御装置によれば、冷凍室内に温度センサーを備
え、同温度センサーにより圧縮機をオン、オフ制御する
冷蔵庫の制御装置において、前記温度センサーの近傍に
発熱吸熱素子を設けると共に、同発熱吸熱素子に通電す
る時刻および時間を設定するタイマーを設け、オフピー
ク期間に該発熱吸熱素子を発熱素子となるように通電す
ることにより前記圧縮機を動作させてプレクールし、オ
ンピーク期間に該発熱吸熱素子を吸熱素子となるように
通電することにより前記圧縮機を断続運転動作させるよ
う制御してなるようにした。この結果、電力消費の平準
化を図ることができる。As described above, according to the refrigerator control apparatus of the present invention, a temperature sensor is provided in the freezer compartment, and the compressor is turned on and off by the temperature sensor. A heat generating / absorbing element is provided in the vicinity of the sensor, and a timer is provided for setting the time and time for energizing the heat generating / absorbing element, and the compressor is energized during the off-peak period so that the heat generating / absorbing element becomes a heating element. The compressor is operated and precooled, and the heat is absorbed and supplied to the heat-absorbing element during the on-peak period so as to be a heat-absorbing element. As a result, power consumption can be leveled.

【００１６】また、前記発熱吸熱素子に、低電圧駆動用
のペルチェ効果素子を使用するようにしたので、感電等
に対する安全性を確保でき、発熱吸熱の切換が容易であ
る。さらに、前記温度センサーと前記発熱吸熱素子８を
熱的に結合する材質が銅の高熱伝導部材を設けているの
で、制御装置の応答が速くなる。そして、前記発熱吸熱
素子への通電期間を、オフピーク開始時刻から終了時刻
の一定時間前までとしたので、確実な動作が見込める。Further, since a Peltier effect element for driving at a low voltage is used as the heat-absorbing element, safety against electric shock and the like can be ensured, and the heat-absorbing state can be easily switched. Further, since the material for thermally coupling the temperature sensor and the heat-absorbing heat-absorbing element 8 is provided with a high heat conducting member made of copper, the response of the control device is increased. Since the energization period to the heat-absorbing element is set to a certain time before the off-peak start time to the end time, a reliable operation can be expected.

【００１７】さらに、前記発熱吸熱素子を吸熱素子とな
るようにする通電期間を、オンピーク開始時刻から終了
時刻の一定時間前までの間欠期間とするようにしたの
で、冷蔵庫庫内温度の上昇を抑えることができる。ま
た、前記発熱吸熱素子およびタイマーを、ユニット化し
て冷蔵庫の制御装置本体と別体に設けたので、従来の冷
蔵庫の制御装置本体に付加して使用でき、幅広く利用で
きる。[0017] Furthermore, the energizing period for making the heat-absorbing element a heat-absorbing element is an intermittent period from the on-peak start time to a predetermined time before the end time, so that the rise in the temperature of the refrigerator can be suppressed. be able to. Further, since the heat-absorbing element and the timer are unitized and provided separately from the control device body of the refrigerator, they can be used in addition to the conventional control device body of the refrigerator and can be widely used.

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

【図１】本発明による冷蔵庫の制御装置の一実施例を示
す概略構成図である。FIG. 1 is a schematic configuration diagram showing an embodiment of a control device for a refrigerator according to the present invention.

【図２】一日の電力消費量と本発明による冷蔵庫の制御
装置の動作、温度変化を示す説明図である。FIG. 2 is an explanatory diagram showing daily power consumption, operation of a refrigerator control device according to the present invention, and temperature change.

【図３】（ａ）、（ｂ）は、本発明による冷蔵庫の制御
装置の一実施例を示す要部説明図である。FIGS. 3 (a) and 3 (b) are main part explanatory diagrams showing one embodiment of a refrigerator control device according to the present invention.

【図４】従来の冷蔵庫の制御装置を示す概略構成図であ
る。FIG. 4 is a schematic configuration diagram showing a conventional refrigerator control device.

【図５】一日の電力消費量と従来の冷蔵庫の動作、温度
変化を示す説明図である。FIG. 5 is an explanatory diagram showing daily power consumption, operation of a conventional refrigerator, and temperature change.

【符号の説明】[Explanation of symbols]

１ 冷蔵庫の制御装置本体 １ａ 冷凍室 ２ 圧縮機 ３ 凝縮器 ４ 減圧器 ５ 蒸発器 ６ 制御部 ７ 温度センサー ８ 発熱吸熱素子（ペルチェ効果素子） ９ タイマー １０ ユニット １１ 高熱伝導部材 DESCRIPTION OF SYMBOLS 1 Refrigerator control apparatus main body 1a Freezer compartment 2 Compressor 3 Condenser 4 Decompressor 5 Evaporator 6 Control part 7 Temperature sensor 8 Heat generation endothermic element (Peltier effect element) 9 Timer 10 Unit 11 High heat conduction member

Claims (8)

【特許請求の範囲】[Claims] 【請求項１】 冷凍室内に温度センサーを備え、同温度
センサーにより圧縮機をオン、オフ制御する冷蔵庫の制
御装置において、前記温度センサーの近傍に発熱吸熱素
子を設けると共に、同発熱吸熱素子に通電する時刻およ
び時間を設定するタイマーを設け、オフピーク期間に該
発熱吸熱素子を発熱素子となるように通電することによ
り前記圧縮機を動作させてプレクールし、オンピーク期
間に該発熱吸熱素子を吸熱素子となるように通電するこ
とにより前記圧縮機を断続運転動作させるよう制御して
なることを特徴とする冷蔵庫の制御装置。1. A control device for a refrigerator having a temperature sensor in a freezer compartment and controlling ON / OFF of a compressor by the temperature sensor, wherein a heat-generating heat-absorbing element is provided near the temperature sensor, and the heat-generating heat-absorbing element is energized. Provide a timer to set the time and time to perform, the compressor is operated by pre-cooling by energizing the exothermic heat absorbing element during the off-peak period to become a heating element, and the exothermic heat absorbing element during the on-peak period as a heat absorbing element. A control device for a refrigerator, wherein the compressor is controlled so that the compressor is operated in an intermittent operation by energizing the compressor. 【請求項２】 前記発熱吸熱素子に、低電圧駆動用のも
のを使用するようにしたことを特徴とする請求項１記載
の冷蔵庫の制御装置。2. The control device for a refrigerator according to claim 1, wherein a low-voltage drive element is used as said heat-generating / absorbing element. 【請求項３】 前記発熱吸熱素子を発熱素子となるよう
にする通電期間を、オフピーク開始時刻から終了時刻の
一定時間前までとしたことを特徴とする請求項１または
請求項２記載の冷蔵庫の制御装置。3. The refrigerator according to claim 1, wherein an energizing period in which the heat-absorbing element is turned into a heat-generating element is from an off-peak start time to a predetermined time before an end time. Control device. 【請求項４】 前記発熱吸熱素子を吸熱素子となるよう
にする通電期間を、オンピーク開始時刻から終了時刻の
一定時間前までの間欠期間としたことを特徴とする請求
項１または請求項２記載の冷蔵庫の制御装置。4. The intermittent period from the on-peak start time to a predetermined time before the end time, wherein the energization period for making the heat-absorbing element a heat-absorbing element is an intermittent period. Refrigerator control device. 【請求項５】 前記発熱吸熱素子と前記温度センサーと
を熱的に結合する高熱伝導部材を設けてなることを特徴
とする請求項１乃至請求項４記載の冷蔵庫の制御装置。5. The control device for a refrigerator according to claim 1, further comprising a high heat conductive member for thermally connecting the heat-absorbing element and the temperature sensor. 【請求項６】 前記高熱伝導部材の材質が、銅であるこ
とを特徴とする請求項５記載の冷蔵庫の制御装置。6. The control device for a refrigerator according to claim 5, wherein the material of the high heat conductive member is copper. 【請求項７】 前記発熱吸熱素子およびタイマーを、ユ
ニット化して冷蔵庫本体と別体に設けたことを特徴とす
る請求項１乃至請求項６記載の冷蔵庫の制御装置。7. The control device for a refrigerator according to claim 1, wherein the heat-absorbing element and the timer are unitized and provided separately from the refrigerator body. 【請求項８】 前記発熱吸熱素子が、ペルチェ効果素子
であることを特徴とする請求項１乃至請求項７記載の冷
蔵庫の制御装置。8. The refrigerator control device according to claim 1, wherein the heat-absorbing element is a Peltier effect element.
JP13815698A 1998-05-20 1998-05-20 Controller for refrigerator Pending JPH11325688A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13815698A JPH11325688A (en) 1998-05-20 1998-05-20 Controller for refrigerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13815698A JPH11325688A (en) 1998-05-20 1998-05-20 Controller for refrigerator

Publications (1)

Publication Number Publication Date
JPH11325688A true JPH11325688A (en) 1999-11-26

Family

ID=15215338

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13815698A Pending JPH11325688A (en) 1998-05-20 1998-05-20 Controller for refrigerator

Country Status (1)

Country Link
JP (1) JPH11325688A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009291165A (en) * 2008-06-09 2009-12-17 Jiro Irisawa Air-conditioner for pet
CN108465291A (en) * 2018-07-06 2018-08-31 合肥中安机械电器有限公司 A kind of general purpose filter of refrigeration equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009291165A (en) * 2008-06-09 2009-12-17 Jiro Irisawa Air-conditioner for pet
CN108465291A (en) * 2018-07-06 2018-08-31 合肥中安机械电器有限公司 A kind of general purpose filter of refrigeration equipment

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