JP2014231932A - Storage - Google Patents

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JP2014231932A
JP2014231932A JP2013111900A JP2013111900A JP2014231932A JP 2014231932 A JP2014231932 A JP 2014231932A JP 2013111900 A JP2013111900 A JP 2013111900A JP 2013111900 A JP2013111900 A JP 2013111900A JP 2014231932 A JP2014231932 A JP 2014231932A
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temperature
storage
storage chamber
unit
display
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JP6274751B2 (en
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敏幸 涌井
Toshiyuki Wakui
敏幸 涌井
良平 滝澤
Ryohei Takizawa
良平 滝澤
悠太 澤田
Yuta Sawada
悠太 澤田
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MK Seiko Co Ltd
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MK Seiko Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a storage capable of achieving long life and power saving of a display unit for displaying a temperature in the storage.SOLUTION: The storage includes: a storage chamber 2 opened/closed by a door 3; a cooling unit 4 for cooling inside the storage chamber 2; an inside-storage temperature sensor 9 for detecting a temperature inside the storage chamber 2; a display unit 15 for displaying the temperature inside the storage chamber 2; an operation unit 8 for setting a target temperature inside the storage chamber 2; and control means 10 for controlling the cooling unit 4 so as to reach the target temperature set at the operation unit 8 on the basis of the detection of the inside-storage temperature sensor 9. The control means 10 has a function for performing a cooling operation for turning ON/OFF the cooling unit 4 by a start temperature Ton and a stop temperature Toff set above and below the target temperature T and for lighting off the temperature display in the storage chamber 2 by the display unit 15 in the state of the cooling operation.

Description

本発明は、貯蔵物を最適な貯蔵温度で保存するための貯蔵庫に関し、貯蔵庫内の温度を表示する表示部の長寿命化と節電対策を図るものである。   The present invention relates to a storage for storing stored items at an optimal storage temperature, and intends to extend the life of the display unit that displays the temperature in the storage and to save power.

この種の貯蔵庫として、特許文献１に示すように、玄米等の農産物を最適の貯蔵温度で保存する低温貯蔵庫が知られている。この貯蔵庫は、庫内温度センサで検出される庫内温度に基づいて冷却ユニットをＯＮ／ＯＦＦし、庫内を目標温度に保持するものであり、玄米の場合には目標温度を１３℃付近にして庫内温度が管理される。   As this type of storage, as shown in Patent Document 1, a low-temperature storage for storing agricultural products such as brown rice at an optimal storage temperature is known. In this storage, the cooling unit is turned ON / OFF based on the internal temperature detected by the internal temperature sensor, and the internal temperature is maintained at the target temperature. In the case of brown rice, the target temperature is set to around 13 ° C. The inside temperature is controlled.

この貯蔵庫には、庫内温度を表示する表示部が備えられており、庫内温度の状況を外部から確認できるようになっているが、この温度表示は常時点灯されているため、消費電力が無視できない状況にある。また、庫内温度は、貯蔵物の出し入れを伴う扉の開閉や外気温の上昇、除霜等によって変動するものの、大抵の場合において目標温度に保持されているため、表示部には特定の数字（玄米を貯蔵するときは”１３”）が表示されることになり、その表示を行うセグメントが集中的に輝度劣化を起こして表示形態を悪くするという問題があった。   This storage is equipped with a display that displays the internal temperature, and the internal temperature can be confirmed from the outside. However, since this temperature display is always on, power consumption is reduced. The situation cannot be ignored. In addition, although the internal temperature fluctuates due to opening / closing of doors with storage and removal, rise in outside air temperature, defrosting, etc., it is maintained at the target temperature in most cases, so a specific number is displayed on the display. (When brown rice is stored, “13”) is displayed, and there is a problem in that the display segment intensively deteriorates the luminance and deteriorates the display form.

特開平１０−３３９５４７号公報JP-A-10-339547

そこで、本発明が解決しようとする課題は、庫内温度を表示する表示部の長寿命化と省電力化を実現する貯蔵庫を提供することにある。   Then, the subject which this invention tends to solve is providing the storage which implement | achieves the lifetime improvement and power saving of the display part which displays the internal temperature.

このような課題を解決するために本発明は、扉により開閉される貯蔵室と、該貯蔵室内を冷却もしくは加温する調温ユニットと、該貯蔵室内の温度を検出する庫内温度センサと、該貯蔵室内の温度を表示する表示部と、該貯蔵室内の目標温度を設定する操作部と、庫内温度センサの検出に基づいて操作部で設定した目標温度になるよう調温ユニットを制御する制御手段とを備えた貯蔵庫において、制御手段は、目標温度の上下に設定される起動温度と停止温度で調温ユニットをＯＮ−ＯＦＦする調温運転を行い、該調温運転の状態で表示部による貯蔵室内の温度表示を消灯する機能を備えたものである。   In order to solve such a problem, the present invention includes a storage chamber that is opened and closed by a door, a temperature control unit that cools or warms the storage chamber, an internal temperature sensor that detects the temperature of the storage chamber, A display unit that displays the temperature in the storage chamber, an operation unit that sets a target temperature in the storage chamber, and a temperature control unit that controls the temperature control unit to be a target temperature set in the operation unit based on detection of the internal temperature sensor In the storage provided with the control means, the control means performs a temperature control operation for turning on and off the temperature control unit at the start temperature and the stop temperature set above and below the target temperature, and displays the display unit in the state of the temperature control operation. It has a function to turn off the temperature display in the storage room.

また、制御手段は、表示部での温度表示が消灯しているとき、貯蔵室の扉が開閉されるか、操作部の操作がなされると、表示部の温度表示を所定時間だけ再点灯する機能を備えた。更に、制御手段は、表示部での温度表示が消灯しているとき、庫内温度センサで検出する庫内温度が起動制御温度を所定温度逸脱すると、表示部の温度表示を再点灯する機能を備えた。   In addition, when the temperature display on the display unit is turned off, the control unit turns on the temperature display on the display unit again for a predetermined time when the door of the storage chamber is opened or closed or the operation unit is operated. With functionality. Furthermore, when the temperature display on the display unit is turned off, the control means has a function of relighting the temperature display on the display unit when the internal temperature detected by the internal temperature sensor deviates from the start control temperature by a predetermined temperature. Prepared.

本発明の貯蔵庫によれば、調温ユニットにより貯蔵室内が目標温度に温度管理される調温運転状態になると、庫内温度の温度表示を消灯するようにしたので、表示部の点灯時間を短縮することができ、結果、表示部の長寿命化と不要な電力消費を防止することができる。また、表示部の消灯状態は、貯蔵室の扉開閉や温度設定部の操作により人為的に復帰させることができるので、庫内温度と装置の作動確認が容易に行える。   According to the storage of the present invention, when the temperature inside the storage chamber is controlled to the target temperature by the temperature control unit, the temperature display of the internal temperature is turned off, so the lighting time of the display unit is shortened As a result, the lifetime of the display portion and unnecessary power consumption can be prevented. In addition, since the display unit can be turned off artificially by opening / closing the door of the storage room or operating the temperature setting unit, it is possible to easily check the internal temperature and the operation of the apparatus.

本発明の低温貯蔵庫を示す内部断面図である。It is an internal sectional view showing the low-temperature storage of the present invention. 本発明の制御系を示すブロック図である。It is a block diagram which shows the control system of this invention. 各機器の冷却動作を示すタイミングチャート図である。It is a timing chart figure which shows cooling operation of each apparatus. 表示制御動作を示すタイミングチャート図である。It is a timing chart figure which shows display control operation.

以下、図面を基に本発明の実施態様について説明する。図１は本発明の貯蔵庫を示す内部断面図である。
１は貯蔵庫本体で、前面を開口した箱状の貯蔵室２と、貯蔵室２の前面を開閉する断熱扉３と、貯蔵室２の天面に設けられる冷却ユニット４とから構成されている。貯蔵室２は、前面を除く５面（天板２ａ、両側板２ｂ，２ｃ、背板２ｄ、底板２ｅ）を断熱パネルで構成し、所定数（例えば６俵）の米袋を積み重ねた状態で収納できる容量を有している。貯蔵室２の前面には、断熱扉３が開閉自在に取り付けられ、断熱扉３の開閉を検出する扉スイッチ５と、扉スイッチ５により点灯／消灯する庫内照明灯６が設けられている。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is an internal sectional view showing a storage of the present invention.
Reference numeral 1 denotes a storage body, which includes a box-shaped storage chamber 2 having an open front surface, a heat insulating door 3 that opens and closes the front surface of the storage chamber 2, and a cooling unit 4 provided on the top surface of the storage chamber 2. The storage chamber 2 is composed of a heat insulating panel with five surfaces (top plate 2a, both side plates 2b and 2c, back plate 2d, and bottom plate 2e) except for the front, and is stored in a state where a predetermined number (for example, 6 cm) of rice bags are stacked. It has a capacity that can. A heat insulating door 3 is attached to the front surface of the storage chamber 2 so as to be openable and closable, and a door switch 5 that detects opening and closing of the heat insulating door 3 and an interior lamp 6 that is turned on / off by the door switch 5 are provided.

断熱扉３は、貯蔵室２同様に、断熱パネルで形成されており、裏面周縁に貯蔵室２の開口縁と密着するガスケットパッキン７が取り付けられており、貯蔵室２の前面開口を密閉するものである。冷却ユニット４は、圧縮機・凝縮器・冷却ファン・放熱ファン等からなる周知の冷凍サイクル（図示しない）を装備し、貯蔵室２の天板２ａ上に載置固定されており、貯蔵室２内に冷気を供給するものである。この冷却ユニット４は、前面に備えた操作パネル８によって設定操作され、貯蔵室２内の温度を検出する庫内温度センサ９に基づいて制御される。   The heat insulating door 3 is formed of a heat insulating panel, similar to the storage chamber 2, and a gasket packing 7 that is in close contact with the opening edge of the storage chamber 2 is attached to the peripheral edge of the back surface to seal the front opening of the storage chamber 2. It is. The cooling unit 4 is equipped with a known refrigeration cycle (not shown) including a compressor, a condenser, a cooling fan, a heat radiating fan, and the like, and is mounted and fixed on the top plate 2 a of the storage chamber 2. It supplies cold air inside. The cooling unit 4 is set and operated by an operation panel 8 provided on the front surface, and is controlled based on an internal temperature sensor 9 that detects the temperature in the storage chamber 2.

図２は本発明の制御系を示すブロック図である。
１０は制御部で、冷却ユニット４・扉スイッチ５・庫内照明灯６・操作パネル８・庫内温度センサ９が接続されている。操作パネル８は、貯蔵コースを切り替える玄米キー１１・高湿キー１２・低湿キー１３と、所定の範囲内（ここでは３〜１８℃）で目標温度を設定する温度調節キー１４と、庫内温度・エラー警報・除霜のいずれかを表示する表示部１５とを備えている。 FIG. 2 is a block diagram showing a control system of the present invention.
A control unit 10 is connected to the cooling unit 4, door switch 5, interior lighting 6, operation panel 8, and interior temperature sensor 9. The operation panel 8 includes a brown rice key 11, a high-humidity key 12, a low-humidity key 13 for switching the storage course, a temperature adjustment key 14 for setting a target temperature within a predetermined range (here, 3 to 18 ° C.), and an interior temperature. -It has the display part 15 which displays either an error alarm and defrosting.

各コースキー１１〜１３には、それぞれコースランプ１６〜１８が設けられており、選択中のコースキーがランプの点灯により目視確認できるようになっている。このランプ点灯は、電源ランプの代用として貯蔵庫が正常に動作していることを確認する役割も併用するものである。表示部１５は、７セグメントのＬＥＤ表示素子を２桁並べて構成され、プルダウン時の庫内温度表示、エラー発生時のエラー番号表示、除霜時のｄＦ表示を行うものであり、定常時には基本的に消灯される。   The course keys 11 to 13 are provided with course lamps 16 to 18, respectively, so that the currently selected course key can be visually confirmed by lighting the lamp. This lamp lighting also uses the role of confirming that the storage is operating normally as a substitute for the power lamp. The display unit 15 is configured by arranging two segments of 7-segment LED display elements, and displays the internal temperature during pull-down, the error number when an error occurs, and the dF when defrosted. Turns off.

制御部１０では、操作パネル８で選択される貯蔵コースや目標温度に応じて記憶されたプログラムを実行し、主に庫内温度センサ９で検出される貯蔵室２内の温度に応じて冷却ユニット４のＯＮ／ＯＦＦ制御を行う。また、扉スイッチ５の検出による庫内照明灯６の点灯とエラー検出、庫内温度センサ９で検出される庫内温度の表示、内蔵タイマで与えられる一定周期毎の除霜運転を実行する。   The control unit 10 executes a program stored in accordance with a storage course selected by the operation panel 8 or a target temperature, and a cooling unit mainly according to the temperature in the storage chamber 2 detected by the internal temperature sensor 9. 4 ON / OFF control is performed. Moreover, lighting of the interior lighting lamp 6 by the detection of the door switch 5 and error detection, display of the interior temperature detected by the interior temperature sensor 9, and a defrosting operation at regular intervals given by a built-in timer are executed.

このように構成する貯蔵庫の冷却動作について説明する。図３は各機器の動作タイミングを示すタイミングチャート図である。
電源が投入されると、操作パネル８の各コースキー１１〜１３によるコース選択や温度調節キー１４による温度設定が可能となる。ここでは、希望する貯蔵コース（玄米・高湿・低湿）のコースキーを入力すると、入力した貯蔵コースの目標温度が表示部１５に表示され、表示された目標温度を必要に応じて温度調節キー１４で調整することでコースと温度が設定される。キー操作が完了してから所定の時間が経過すると自動的に冷却運転が開始される。 The cooling operation of the storage configured as above will be described. FIG. 3 is a timing chart showing the operation timing of each device.
When the power is turned on, course selection by each of the course keys 11 to 13 on the operation panel 8 and temperature setting by the temperature adjustment key 14 can be performed. Here, when the course key of the desired storage course (brown rice, high humidity, low humidity) is input, the target temperature of the input storage course is displayed on the display unit 15, and the displayed target temperature is a temperature adjustment key as necessary. By adjusting at 14, the course and temperature are set. When a predetermined time elapses after the key operation is completed, the cooling operation is automatically started.

冷却運転が開始すると、庫内温度センサ９で貯蔵室２内の庫内温度Ｔを検出し、庫内温度Ｔが目標温度Ｔｓより高いと冷却ユニット４が起動する。冷却ユニットの起動により、庫内温度Ｔが目標温度Ｔｓより所定温度（例えば２℃）低く設定された冷却ユニットの停止温度Ｔoffに達すると、冷却ユニット４を停止する。冷却ユニット４の停止により、庫内温度Ｔが目標温度Ｔｓより所定温度（例えば２℃）高く設定された冷却ユニットの起動温度Ｔoｎに達すると、冷却ユニット４を起動する。この動作を繰り返し、貯蔵室２内の温度を検出しながら、この庫内温度Ｔに基づいて圧縮器をＯＮ／ＯＦＦすることで庫内が目標温度Ｔｓ付近に保冷される。   When the cooling operation starts, the internal temperature sensor 9 detects the internal temperature T in the storage chamber 2, and the internal temperature T is higher than the target temperature Ts, the cooling unit 4 is activated. When the internal temperature T reaches the stop temperature Toff of the cooling unit that is set lower than the target temperature Ts by a predetermined temperature (for example, 2 ° C.) by starting the cooling unit, the cooling unit 4 is stopped. When the cooling unit 4 stops and the internal temperature T reaches the starting temperature Ton of the cooling unit set to a predetermined temperature (for example, 2 ° C.) higher than the target temperature Ts, the cooling unit 4 is started. By repeating this operation and detecting the temperature in the storage chamber 2, the interior of the refrigerator is kept near the target temperature Ts by turning on / off the compressor based on the interior temperature T.

尚、冷却ユニット４の初期起動時には、まず循環ファンが駆動し、遅れて圧縮機及び放熱ファンが駆動する。これは、圧縮機の内部が高圧になっている状態から再起動させることを防止する、及び突入電流による電源電圧の低下を防止するための機能である。また、庫内温度の検出は、庫内温度センサ９から所定のタイミングで取り込んだデータの数回分を平均化して検出されるもので、以後の説明で示される庫内温度検出も同様に実行される。   When the cooling unit 4 is initially started, the circulation fan is driven first, and the compressor and the heat radiating fan are driven with a delay. This is a function for preventing the compressor from being restarted from a state where the pressure is high and for preventing a power supply voltage from being lowered due to an inrush current. The internal temperature is detected by averaging several times of the data fetched from the internal temperature sensor 9 at a predetermined timing, and the internal temperature detection shown in the following description is performed in the same manner. The

各貯蔵コースにおける湿度調整は、循環ファンの動作タイミングをかえることで行われる。高湿モードは、常に循環ファンを作動し続けることで、霜の付着を少なくし、貯蔵室内の湿度を高い状態に保持する。低湿モードは、圧縮機の停止してからわずかに遅らせて循環ファンを停止し、圧縮機の起動に同期して循環ファンを起動することで、湿気の回収率が高め、貯蔵室内の湿度を低い状態に保持する。玄米モードは、圧縮機の停止から所定時間遅らせて循環ファンを停止させることで、高湿モードと低湿モードの中間の湿度に貯蔵室２内を保持するものである。   Humidity adjustment in each storage course is performed by changing the operation timing of the circulation fan. In the high-humidity mode, the circulation fan is continuously operated, so that frost adhesion is reduced and the humidity in the storage chamber is kept high. In the low humidity mode, the circulation fan is stopped after a slight delay after the compressor is stopped, and the circulation fan is started in synchronization with the start of the compressor, thereby increasing the moisture recovery rate and reducing the humidity in the storage chamber. Keep in state. In the brown rice mode, the inside of the storage chamber 2 is maintained at a humidity intermediate between the high humidity mode and the low humidity mode by delaying the circulation fan after a predetermined time from the stop of the compressor.

次に、このような冷却運転時における表示部１５での表示制御について説明する。図４は表示タイミングを示すタイミングチャート図である。
電源投入後や除霜後のように、貯蔵室内を目標温度Ｔｓまで冷却するプルダウン時（Ａ）には、庫内温度センサ９で検出される庫内温度Ｔを表示部１５に表示する。庫内温度Ｔが目標温度Ｔｓに達すると、目標温度Ｔｓ到達から所定時間ΔＴ１後（ここでは３分後）に表示部１５の温度表示を消灯する。その後、圧縮器をＯＮ／ＯＦＦして庫内を目標温度Ｔｓ付近に保冷する定常運転時（Ｂ）には、表示部１５の温度表示を消灯したままとする。 Next, display control on the display unit 15 during such cooling operation will be described. FIG. 4 is a timing chart showing the display timing.
When the power is turned on or after defrosting, the internal temperature T detected by the internal temperature sensor 9 is displayed on the display unit 15 when pulling down (A) to cool the storage chamber to the target temperature Ts. When the internal temperature T reaches the target temperature Ts, the temperature display on the display unit 15 is turned off after a predetermined time ΔT1 (here, 3 minutes) after reaching the target temperature Ts. Thereafter, the temperature display on the display unit 15 remains off during steady operation (B) in which the compressor is turned ON / OFF to keep the interior cool in the vicinity of the target temperature Ts.

冷却ユニット４の故障等により、庫内温度Ｔが起動温度Ｔoｎより所定温度（例えば２℃）高いを超える高温状態（Ｃ）になると、庫内温度センサ９で検出される庫内温度Ｔを表示部１５に表示する。また、外気温の低下等により、庫内温度Ｔが停止温度Ｔoffより低い低温状態（Ｄ）になると、庫内温度センサ９で検出される庫内温度Ｔに関わらず表示部１５を消灯する。   When the internal temperature T becomes a high temperature state (C) exceeding a predetermined temperature (for example, 2 ° C.) higher than the starting temperature Ton due to a failure of the cooling unit 4 or the like, the internal temperature T detected by the internal temperature sensor 9 is displayed. Displayed on the unit 15. Further, when the inside temperature T becomes a low temperature state (D) lower than the stop temperature Toff due to a decrease in the outside air temperature or the like, the display unit 15 is turned off regardless of the inside temperature T detected by the inside temperature sensor 9.

除霜時（Ｅ）には、表示部１５に除霜を示すｄＦを表示する。除霜終了後には、表示部１５を消灯し、所定時間ΔＴ２後（ここでは２０分後）に庫内温度Ｔが設定温度Ｔｓより高いときは、プルダウン冷却（Ａ）となり、庫内温度センサ９で検出される庫内温度Ｔを表示部１５に表示する。   At the time of defrosting (E), dF indicating defrosting is displayed on the display unit 15. After the defrosting is completed, the display unit 15 is turned off, and when the internal temperature T is higher than the set temperature Ts after a predetermined time ΔT2 (here 20 minutes), pull-down cooling (A) is performed, and the internal temperature sensor 9 The internal temperature T detected in (1) is displayed on the display unit 15.

このように、庫内温度Ｔが制御範囲内（起動温度Ｔoｎ〜停止温度Ｔoff）になるように制御される定常運転時には、表示部１５の温度表示を消灯するようにしたので、相対的な表示部１５の点灯時間が短縮され、セグメント単位での輝度劣化を軽減し、長寿命化が図られるとともに、消費電力を抑制することができる。   In this way, the temperature display on the display unit 15 is turned off during steady operation in which the internal temperature T is controlled to be within the control range (starting temperature Ton to stopping temperature Toff). The lighting time of the unit 15 is shortened, luminance deterioration in the segment unit is reduced, the life is extended, and the power consumption can be suppressed.

表示部１５での庫内温度Ｔが消灯している状態、すなわち、図４における定常運転状態（Ｂ）及び低温状態（Ｄ）のとき、貯蔵室の断熱扉３が開放されたことを扉スイッチ５で検知すると、表示パネル１５を点灯して庫内温度Ｔを表示する。その後、再び扉スイッチ５で断熱扉３が閉じられたことを検知すると、所定時間（例えば３分）後に庫内温度Ｔが上限温度Ｔmaxより低ければ表示パネル１５を消灯し、高ければそのまま庫内温度Ｔを表示する。   When the internal temperature T in the display unit 15 is turned off, that is, in a steady operation state (B) and a low temperature state (D) in FIG. If detected at 5, the display panel 15 is turned on to display the internal temperature T. Thereafter, when it is detected again that the heat insulating door 3 is closed by the door switch 5, the display panel 15 is turned off if the inside temperature T is lower than the upper limit temperature Tmax after a predetermined time (for example, 3 minutes), and if it is high, the inside is kept as it is. The temperature T is displayed.

また、操作パネル８でいずれかのキースイッチ１１〜１４が操作された場合、表示部１５を所定時間（例えば３分）だけ点灯する。その後、庫内温度Ｔが上限温度Ｔmaxより低ければ表示部１５を消灯し、高ければそのまま庫内温度Ｔを表示する。   When any one of the key switches 11 to 14 is operated on the operation panel 8, the display unit 15 is lit for a predetermined time (for example, 3 minutes). Thereafter, if the internal temperature T is lower than the upper limit temperature Tmax, the display unit 15 is turned off, and if it is high, the internal temperature T is displayed as it is.

ここで、扉開放時及びキー操作時に点灯する温度は、実際の庫内温度が制御範囲内（起動温度Ｔoｎ〜停止温度Ｔoff）にある場合、設定温度が表示される。すなわち、玄米モードの時、庫内温度が１１〜１５℃の範囲であれば、設定温度１３℃を表示部１５に表示する。   Here, the temperature that is lit when the door is opened and when the key is operated is displayed when the actual internal temperature is within the control range (starting temperature Ton to stopping temperature Toff). That is, when the inside temperature is in the range of 11 to 15 ° C. during the brown rice mode, the set temperature 13 ° C. is displayed on the display unit 15.

尚、ここに示す各数値は本出願人の検証によるものであって、本発明における技術思想を具現化するためのものにすぎず、特別限定的に解釈されるものではなく、本件の要旨を逸脱しない範囲で適宜選択できるものである。また、本実施態様は、冷却貯蔵庫として説明したが、加熱ユニットにより貯蔵室内を保温する加温貯蔵庫や冷却と保温が可能な恒温貯蔵庫にも適用することができる。また、操作パネルで貯蔵コースや温度調節が行えないタイプの貯蔵庫、いわゆる特定の貯蔵物を特定の温度で貯蔵する単機能貯蔵庫にも応用できる。この場合、貯蔵室内の目標温度を設定する操作パネルは、電源投入を行う電源スイッチを指すことになる。   Each numerical value shown here is based on the verification of the present applicant, and is only for realizing the technical idea of the present invention, and is not interpreted in a particularly limited manner. It can be selected as appropriate without departing from the scope. Moreover, although this embodiment demonstrated as a cooling storage, it can be applied also to the heating storage which heats the storage chamber with a heating unit, and the constant temperature storage which can be cooled and heat-retained. Further, the present invention can be applied to a storage of a type in which a storage course and temperature adjustment cannot be performed with an operation panel, that is, a single-function storage that stores a so-called specific store at a specific temperature. In this case, the operation panel for setting the target temperature in the storage chamber indicates a power switch for turning on the power.

１ 貯蔵庫本体
２ 貯蔵室
３ 断熱扉
４ 冷却ユニット
５ 扉スイッチ
８ 操作パネル
９ 庫内温度センサ
１０ 制御部
１５ 表示部 DESCRIPTION OF SYMBOLS 1 Storage body 2 Storage room 3 Thermal insulation door 4 Cooling unit 5 Door switch 8 Operation panel 9 Inside temperature sensor 10 Control part 15 Display part

Claims (3)

扉により開閉される貯蔵室と、該貯蔵室内を冷却もしくは加温する調温ユニットと、該貯蔵室内の温度を検出する庫内温度センサと、該貯蔵室内の温度を表示する表示部と、該貯蔵室内の目標温度を設定する操作部と、前記庫内温度センサの検出に基づいて前記操作部で設定した目標温度になるよう調温ユニットを制御する制御手段とを備えた貯蔵庫において、
前記制御手段は、目標温度の上下に設定される起動温度と停止温度で前記調温ユニットをＯＮ−ＯＦＦする調温運転を行い、該調温運転の状態で前記表示部による貯蔵室内の温度表示を消灯する機能を備えたことを特徴とする貯蔵庫。
A storage chamber that is opened and closed by a door; a temperature control unit that cools or heats the storage chamber; an internal temperature sensor that detects the temperature of the storage chamber; a display unit that displays the temperature of the storage chamber; In a storage provided with an operation unit for setting a target temperature in the storage chamber, and a control means for controlling the temperature control unit so as to be a target temperature set by the operation unit based on detection of the internal temperature sensor,
The control means performs a temperature control operation for turning on and off the temperature control unit at a start temperature and a stop temperature set above and below a target temperature, and displays the temperature in the storage chamber by the display unit in the temperature control operation state. A storage with a function to turn off the lights.
前記制御手段は、前記表示部での温度表示が消灯しているとき、前記貯蔵室の扉が開閉されるか、前記操作部の操作がなされると、前記表示部の温度表示を所定時間だけ再点灯する機能を備えたことを特徴とする上記請求項１記載の貯蔵庫。
When the temperature display on the display unit is turned off, the control means displays the temperature display on the display unit for a predetermined time when the door of the storage chamber is opened or closed or when the operation unit is operated. The storage according to claim 1, further comprising a function of relighting.
前記制御手段は、前記表示部での温度表示が消灯しているとき、前記庫内温度センサで検出する庫内温度が前記起動制御温度を所定温度逸脱すると、前記表示部の温度表示を再点灯する機能を備えたことを特徴とする上記請求項１又は２記載の貯蔵庫。 The control means relights the temperature display on the display unit when the internal temperature detected by the internal temperature sensor deviates from the activation control temperature by a predetermined temperature when the temperature display on the display unit is off. The storage according to claim 1 or 2, further comprising a function of
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