JPH04124571A - Automatic ice making device - Google Patents
Automatic ice making deviceInfo
- Publication number
- JPH04124571A JPH04124571A JP2245905A JP24590590A JPH04124571A JP H04124571 A JPH04124571 A JP H04124571A JP 2245905 A JP2245905 A JP 2245905A JP 24590590 A JP24590590 A JP 24590590A JP H04124571 A JPH04124571 A JP H04124571A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- heater
- ice
- time
- full
- 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
Links
- 238000000034 method Methods 0.000 abstract description 5
- 238000007710 freezing Methods 0.000 description 8
- 230000008014 freezing Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C1/00—Producing ice
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Production, Working, Storing, Or Distribution Of Ice (AREA)
Abstract
Description
【発明の詳細な説明】
［発明の目的］
（産業上の利用分野）
本発明は、製氷皿の上方部にヒータを備え、このヒータ
により製氷皿の上下方向に温度差をつけることにより製
氷皿の内部下部から上方へ順次氷を生成させるようにし
た自動製氷装置に関する。[Detailed Description of the Invention] [Objective of the Invention] (Industrial Application Field) The present invention provides an ice making tray with a heater provided above the ice making tray, and by creating a temperature difference in the vertical direction of the ice making tray with the heater. This invention relates to an automatic ice-making device that sequentially generates ice from the bottom of the interior upward.
（従来の技術）
従来より、冷蔵庫においては自動製氷装置を備えており
、この自動製氷装置においては、透明氷を製造するよう
にしたものがある。すなわち、製氷皿の上方部にヒータ
を備えて、このヒータにより製氷皿の上下方向に温度差
をつけ、もって製氷皿の内部下部から上方へ順次氷を生
成させるようにし、これにて氷の生成過程で水中の空気
を上方から抜は出やすくし、よって空気が含まれないと
ころの透明氷が製造される。(Prior Art) Conventionally, refrigerators have been equipped with automatic ice-making devices, and some of these automatic ice-making devices are designed to produce transparent ice. That is, a heater is provided above the ice tray, and this heater creates a temperature difference in the vertical direction of the ice tray, thereby generating ice sequentially from the bottom of the ice tray upwards. During the process, the air in the water is easily removed from above, creating clear ice that does not contain air.
この場合、前記ヒータは常時通電状態とする方式がある
が、これでは温度制御ができないことから、最近では温
度制御できるようにしたものがある。すなわち、製氷皿
の上方部に温度センサを設け、この温度センサの検出温
度が設定温度以下になった時にヒータに通電し、設定温
度以上になったときに該ヒータを断電するようにしてい
る。In this case, there is a method in which the heater is kept energized all the time, but this method does not allow temperature control, so recently there are some methods that allow temperature control. That is, a temperature sensor is provided above the ice tray, and when the temperature detected by this temperature sensor falls below a set temperature, the heater is energized, and when the temperature rises above the set temperature, the heater is turned off. .
（発明が解決しようとする課題）
しかしながら、上述の温度制御を行なうものでは、ヒー
タをフルパワーでオンするか、またはまったくパワーオ
フするかの二通りでしか温度制御しないため、冷蔵庫の
冷却能力か低くなった場合および高くなった場合におい
て次の不具合があった。すなわち、上記設定温度は冷蔵
庫の冷却能力が通常程度の場合を想定して決められるが
、温度センサ部分における温度変化と製氷皿における氷
表面部分の温度変化との関係は、冷蔵庫の冷凍能力によ
って異なり、冷凍能力が低い場合には、ヒータのオフ期
間が長くなり、特に極端に長くなるような場合には、製
氷皿の水の表面の温度が低くなってその表面に氷が生成
されて、水中におけ−る空気の逃げ場がなくなり、不透
明氷が製造されてしまう。また冷凍能力がかなり高いよ
うな場合には、通常能力を想定した設定温度では、ヒー
タオン期間が長くなるとはいうものの冷凍能力がヒータ
の加温能力をうわまわり、やはり水の表面が凍って不透
明氷が製造されてしまうという問題があった。(Problem to be Solved by the Invention) However, in the above-mentioned temperature control device, the temperature is controlled only in two ways: turning the heater on at full power or turning it off completely, so the cooling capacity of the refrigerator is limited. The following problems occurred when the temperature became low and when it rose. In other words, the above set temperature is determined assuming that the refrigerator has a normal cooling capacity, but the relationship between the temperature change at the temperature sensor and the temperature change at the ice surface of the ice tray varies depending on the refrigerator's freezing capacity. If the refrigeration capacity is low, the off period of the heater will be long, especially if it is extremely long, the surface temperature of the water in the ice cube tray will be low and ice will form on that surface, causing the water to cool down. There is no place for the air to escape, and opaque ice is produced. In addition, if the refrigeration capacity is quite high, the temperature set assuming normal capacity will cause the heater to turn on for a long time, but the refrigeration capacity will exceed the heating capacity of the heater, and the surface of the water will freeze, resulting in opaque ice. The problem was that it was manufactured.
本発明は上記事情に鑑みてなされたものであり、その目
的は、製氷皿の上方部にヒータを備えて製氷皿の内部下
部から上方へ順次氷を生成させるようにしたものにおい
て、前記ヒータの温度ｖ４ｍをきめ細かく行なうことが
できて、冷凍能力が変わっても常に透明氷を製造できる
自動製氷装置を提供するにある。The present invention has been made in view of the above-mentioned circumstances, and an object of the present invention is to provide an ice making tray with a heater disposed above the ice making tray so as to generate ice sequentially from the bottom inside the ice making tray upward. To provide an automatic ice making device which can finely adjust the temperature v4m and always produce clear ice even if the freezing capacity changes.
［発明の構成コ
（課題を解決するための手段）
本発明は、製氷皿の上方部にヒータを備え、このヒータ
により製氷皿の上下方向に温度差をつけることにより製
氷皿の内部下部から上方へ順次氷を生成させるようにし
たものにおいて、前記製氷皿の上方部に温度センサを設
けると共に、該温度センサによる検出温度に基づいて前
記ヒータに交流電源電圧を全波通電する場合、半波通電
する場合または断電する場合を切り替えるヒータ駆動制
御手段を設けたところに特徴を有する。[Structure of the Invention (Means for Solving the Problems) The present invention includes a heater in the upper part of the ice tray, and by creating a temperature difference in the vertical direction of the ice tray with the heater, the temperature is increased from the lower part of the interior of the ice tray to the upper part. In a device configured to sequentially generate ice, a temperature sensor is provided above the ice tray, and when full-wave AC power supply voltage is applied to the heater based on the temperature detected by the temperature sensor, half-wave current is applied. The feature is that a heater drive control means is provided to switch between power-off and power-off.
（作用）
ヒータには交流電源電圧が全波通電される場合の他に半
波通電される場合があるから、ヒータの加熱出力が２段
階となり、そのヒータのフルパワー出力を高冷凍能力時
に見合うように設定されすれば、その全波通電と、半波
通電と、断電との切り替えを温度センサの検出温度に基
づいて行なうことにより、冷凍能力が高低変わってもそ
れに応じたきめ細かな温度制御が可能となる。従って、
製氷皿における水の表面が早くに凍ってしまうようなこ
とはない。(Function) In addition to full-wave AC power supply voltage, there are also cases where half-wave power is applied to the heater, so the heating output of the heater is in two stages, and the full power output of the heater is matched to the high refrigerating capacity. If this setting is made, switching between full-wave energization, half-wave energization, and power-off is performed based on the temperature detected by the temperature sensor, allowing for fine-grained temperature control even when the refrigerating capacity changes. becomes possible. Therefore,
The surface of the water in the ice cube tray will not freeze prematurely.
（実施例）
以下、本発明の一実施例につき図面を参照しながら説明
する。(Example) An example of the present invention will be described below with reference to the drawings.
まず、第３図には自動製氷装置の要部を示しており、製
氷皿１は冷蔵庫の冷凍室２内に配設されている。この製
氷皿１にその上方部を開閉する蓋３がセルフヒンジ４を
介して該製氷皿１と相対的に回動し得るように設けられ
ている。上記蓋３の内部には、断熱材５が配設されてい
ると共に、製氷皿１の上方部に位置してヒータ６が配設
されている。また、この蓋３の内部には温度センサ７が
配設されている。First, FIG. 3 shows the main parts of an automatic ice-making device, and an ice-making tray 1 is placed in a freezer compartment 2 of a refrigerator. A lid 3 for opening and closing an upper portion of the ice tray 1 is provided via a self-hinge 4 so as to be rotatable relative to the ice tray 1. A heat insulating material 5 is disposed inside the lid 3, and a heater 6 is disposed above the ice tray 1. Further, a temperature sensor 7 is disposed inside the lid 3.
しかして、第３図に示した位置状態で、製氷皿１内への
給水が実行されて製氷が行われるものであり、製氷後は
製氷皿１が図示しない駆動機構により軸８を中心として
第３図状態から矢印入方向へ回動される。この場合、Ｍ
３はその受は片３ａが、製氷室２の適宜の静止部に固定
されたストッパ８に遭遇することで第４図に示すように
製氷皿１に対し回動してこれを開放する。また、製氷皿
１はこの回動の途中でひねりが加えられるようになって
おり、そのひねりによって氷が製氷皿１から離氷して図
示しないアイスボックス内に落ちる。In the position shown in FIG. 3, water is supplied into the ice tray 1 and ice is made. After the ice is made, the ice tray 1 is rotated around the shaft 8 by a drive mechanism (not shown). It is rotated from the state shown in Figure 3 in the direction indicated by the arrow. In this case, M
3, when the receiving piece 3a encounters a stopper 8 fixed to a suitable stationary part of the ice-making chamber 2, it rotates relative to the ice-making tray 1 to open it, as shown in FIG. Further, the ice tray 1 is twisted during this rotation, and the twist causes the ice to separate from the ice tray 1 and fall into an ice box (not shown).
この後は第４図矢印Ｂ方向へ回動されて第３図の状態に
復帰する。Thereafter, it is rotated in the direction of arrow B in FIG. 4 and returns to the state shown in FIG. 3.
第２図には前記ヒータ６に関係する電気的構成を示して
いる。ヒータ６は交流電源１０に対してトライアック１
１を介して接続されており、このトライアック１１は、
マイクロコンピュータを含んで構成された制御回路１２
によって制御されるものである。波形整形回路１３は交
流電圧波形のゼロクロス位相に同期するパルスを出力す
るもので、そのパルスは制御回路１２に与えられるよう
になっている。さらにこの制御回路１２には、前記温度
センサ７による検出温度も与えられるようになっており
、そして、制御回路１２は、波形整形回路１３からのパ
ルスに基づいてトライアック１１を制御してヒータ６に
交流電源１０の電源電圧を全波通電、半波通電または断
電するようになっており、その切り替えは内部のプログ
ラムに基づいて後述する基準温度Ｔａ、Ｔｂ、Ｔｃ、Ｔ
ｄと温度センサ７による検出温度Ｔｋとを比較して実行
するようになっており、すなわちヒータ駆動制御手段と
して機能するものである。この場合、制御回路１２は、
基本的にヒータ６の出力を一段ごとアップもしくはダウ
ンするようにしており、つまり、例えば出力零（断電）
から出力を上げるときには中間出力（半波通電）へ上げ
、この中間出力（半波通電）からフル出力（全波通電）
へ上げることを行なう。下げるときも同様である。そし
て、この制御回路１２は温度制御のための基準温度とし
て第１図に示すようにＴａ、Ｔｂ、Ｔｃ。FIG. 2 shows an electrical configuration related to the heater 6. As shown in FIG. Heater 6 has triac 1 for AC power supply 10
1, and this triac 11 is
Control circuit 12 configured including a microcomputer
It is controlled by The waveform shaping circuit 13 outputs a pulse synchronized with the zero-crossing phase of the AC voltage waveform, and the pulse is supplied to the control circuit 12. Furthermore, the temperature detected by the temperature sensor 7 is also given to this control circuit 12, and the control circuit 12 controls the triac 11 based on the pulse from the waveform shaping circuit 13 to control the heater 6. The power supply voltage of the AC power supply 10 is configured to be full-wave energized, half-wave energized, or disconnected, and the switching is based on an internal program at reference temperatures Ta, Tb, Tc, and T, which will be described later.
d and the temperature Tk detected by the temperature sensor 7. In other words, it functions as a heater drive control means. In this case, the control circuit 12
Basically, the output of the heater 6 is increased or decreased step by step, which means that, for example, if the output is zero (power outage)
When increasing the output from , increase it to intermediate output (half-wave energization), and from this intermediate output (half-wave energization) to full output (full-wave energization)
Do something that will raise your level. The same applies when lowering it. The control circuit 12 sets Ta, Tb, and Tc as reference temperatures for temperature control as shown in FIG.
Ｔｄ （Ｔａ＞Ｔｂ＞Ｔｃ＞Ｔｄ）を有しており、Ｔａ
はヒータ出力零用基準温度、Ｔｂは全波通電から半波通
電切替のための基準温度、Ｔｃは断電時からの半波通電
開始用基準温度、Ｔｄは半波通電から全波通電切替のた
めの基準温度である。なお、Ｔｔは凍結温度である。Td (Ta>Tb>Tc>Td), and Ta
is the reference temperature for heater output zero, Tb is the reference temperature for switching from full-wave energization to half-wave energization, Tc is the reference temperature for starting half-wave energization from power outage, and Td is for switching from half-wave energization to full-wave energization. This is the reference temperature. Note that Tt is the freezing temperature.
上記構成の作用について述べる。第１図において、時刻
ｔ１からｔ２までは冷蔵庫が弱運転されて冷凍能力が低
くなった時間帯であり、時刻ｔ２からｔ３までは冷蔵庫
が強運転されて冷凍能力が高くなった時間帯であり、さ
らに時刻ｔ、からｔまでは冷蔵庫が再度弱運転されて冷
凍能力が低くなった時間帯であり、そして時刻ｔ４以後
は冷蔵庫が急速冷凍運転されて冷凍能力が一段と高くな
った時間帯を示している。The operation of the above configuration will be described. In Fig. 1, the period from time t1 to t2 is a time period when the refrigerator is operated at low power and the refrigerating capacity is low, and from time t2 to t3 is the time period during which the refrigerator is operated at high power and the refrigerating capacity is high. , Furthermore, from time t to time t is a time period in which the refrigerator is again operated in a weak manner and the refrigerating capacity is lowered, and after time t4 is a time period in which the refrigerator is operated in quick freezing operation and the refrigerating capacity is further increased. ing.
同図に示すように、時刻ｔａ以前においてはヒータ６を
断電した状態であり、製氷皿１上方部の温度すなわち温
度センサ７による検出温度Ｔｋは下降状態にある。As shown in the figure, before time ta, the heater 6 is in a power-off state, and the temperature above the ice tray 1, that is, the temperature Tk detected by the temperature sensor 7 is in a decreasing state.
しかして時刻ｔａにて検出温度Ｔｋが基準温度Ｔｃに達
すると、制御回路１２によってヒータ６が半波通電され
る。このとき冷蔵庫は弱運転状態であるから、冷凍能力
よりヒータ６の加温能力が高く、従って検出温度Ｔｋが
上昇する。ここで、半波通電を開始する基準温度をＴｄ
程度にまで下げることをしない理由は、このような弱運
転状態でヒータ６の断電期間が長くならないようにする
ためである。この場合いきなり全波通電とすると温度が
上がり過ぎて製氷に支障をきたすから、ヒータ６の出力
を半波通電により中間的出力としている。When the detected temperature Tk reaches the reference temperature Tc at time ta, the control circuit 12 energizes the heater 6 in a half-wave. At this time, since the refrigerator is in a weak operating state, the heating capacity of the heater 6 is higher than the freezing capacity, and therefore the detected temperature Tk rises. Here, the reference temperature for starting half-wave energization is Td
The reason why the power is not lowered to a certain level is to prevent the power-off period of the heater 6 from becoming long in such a weak operating state. In this case, if full-wave energization is suddenly applied, the temperature will rise too much and ice making will be hindered, so the output of the heater 6 is set to an intermediate output by half-wave energization.
時刻ｔｂになると、検出温度Ｔｋが基準温度Ｔａになり
、ヒータ６が断電される。そして検出温度Ｔｋが降下す
る。At time tb, the detected temperature Tk becomes the reference temperature Ta, and the heater 6 is turned off. Then, the detected temperature Tk decreases.
この後、既述したように時刻ｔ２にて強運転となる。し
かして時刻ｔｃにて検出温度Ｔｋが基準温度Ｔｃとなる
と断電状態からヒータ６が半波通電とされる。この場合
冷凍能力がヒータ６の加温能力を上回るから、製氷皿１
の上方部の温度は上がらず低下してゆく。After this, as described above, the strong operation starts at time t2. However, when the detected temperature Tk reaches the reference temperature Tc at time tc, the heater 6 is brought into half-wave energization from the power-off state. In this case, the freezing capacity exceeds the heating capacity of the heater 6, so the ice tray 1
The temperature in the upper part of the body does not rise but decreases.
そして時刻ｔｄとなる検出温度Ｔｋが基準温度Ｔｄとな
ることからヒータ６が全波通電される。Then, since the detected temperature Tk at time td becomes the reference temperature Td, the heater 6 is energized at full wave.
これにて冷凍能力に対してヒータ６の加温能力が上回る
ようになり、温度上昇する。As a result, the heating capacity of the heater 6 exceeds the cooling capacity, and the temperature rises.
この後時刻ｔｅになると検出温度Ｔｋが基準温度Ｔｂに
いたり、これにてヒータ６を半波通電としてヒータ６の
出力を落とす。なお、ここで基準温度Ｔａまで待たずに
該基準温度Ｔａより低い基準温度Ｔｂにて出力を落とす
理由は、それまで全波通電であったからオーバーシュー
トが大きくなるおそれがあるからである。Thereafter, at time te, the detected temperature Tk reaches the reference temperature Tb, and at this point the heater 6 is energized in a half-wave and the output of the heater 6 is reduced. Note that the reason why the output is reduced at a reference temperature Tb lower than the reference temperature Ta without waiting until the reference temperature Ta is that there is a risk that overshoot will become large since full-wave energization has been performed up to that point.
なお、この後上述したような制御が実行されるが、特に
、時刻ｔ４以後の急速冷凍運転では、時刻ｔｆにて全波
通電となる。このとき冷凍能力がかなり高いことから製
氷皿１の上方部の温度はかなり下がるが、製氷皿１内の
氷表面部分が凍るには至らない。Note that the above-described control is executed thereafter, and in particular, in the rapid freezing operation after time t4, full-wave energization is performed at time tf. At this time, since the freezing capacity is quite high, the temperature in the upper part of the ice tray 1 drops considerably, but the surface portion of the ice inside the ice tray 1 does not freeze.
このように本実施例によれば、ヒータ６に、交流電源１
０の電圧を全波通電する以外に、半波通電も行うように
したから、ヒータ６の加熱出力が２段階となり、そのヒ
ータ６のフルパワー出力を高冷凍能力時に見合うように
設定されすれば、その全波通電と、半波通電と、断電と
の切り替えを温度センサ７の検出温度に基づいて行なう
ことにより、上述したように、冷凍能力が高低変わって
もそれに応したきめ細かな温度制御ができる。従って、
製氷皿１における水の表面が早くに凍ってしまうような
ことはない。従って常に透明な氷を製造できる。In this way, according to this embodiment, the heater 6 is connected to the AC power source 1.
In addition to full-wave energization at zero voltage, half-wave energization is also performed, so the heating output of the heater 6 becomes two stages, and if the full power output of the heater 6 is set to match the high refrigerating capacity. By switching between full-wave energization, half-wave energization, and power-off based on the temperature detected by the temperature sensor 7, as mentioned above, even if the refrigerating capacity changes, fine temperature control can be achieved. I can do it. Therefore,
The surface of the water in the ice tray 1 will not freeze prematurely. Therefore, transparent ice can always be produced.
［発明の効果］
本発明は以上の説明から明らかなように、製氷皿の上方
部にヒータを備え、このヒータにより製氷皿の上下方向
に温度差をつけることにより製氷皿の内部下部から上方
へ順次氷を生成させるようにしたものにおいて、前記製
氷皿の上方部に温度センサを設けると共に、該温度セン
サによる検出温度に基づいて前記ヒータに交流電源電圧
を全波通電する場合、半波通電する場合または断電する
場合を切り替えるヒータ駆動制御手段を設けたことを特
徴とするものであり、これにて、ヒータの温度制御をき
め細かく行なうことができて、冷凍能力が変わっても常
に透明氷を製造できるという優れた効果を奏する。[Effects of the Invention] As is clear from the above description, the present invention includes a heater in the upper part of the ice tray, and uses this heater to create a temperature difference in the vertical direction of the ice tray, thereby increasing the temperature from the bottom inside the ice tray upward. In the device that sequentially generates ice, a temperature sensor is provided above the ice tray, and when full-wave AC power supply voltage is applied to the heater based on the temperature detected by the temperature sensor, half-wave current is applied. The device is characterized by the provision of a heater drive control means that switches between power-off and power-off conditions, making it possible to finely control the temperature of the heater and to always produce clear ice even when the refrigerating capacity changes. It has the excellent effect of being easy to manufacture.
図面は本発明の一実施例を示すもので、第１図は作用説
明のためのタイムチャート、第２図は電気的構成を示す
ブロック図、第３図は製氷皿部分の破断正面図、第４図
は第３図と異なる状態での第３図相当図である。
図面中、１は製氷皿、６はヒータ、７は温度センサ、１
１はトライアック、１２は制御回路（ヒータ駆動制御手
段）、１３は波形整形回路を示す。
代理人 弁理士 佐 藤 強
第
図
〜２〜
第
図
ａThe drawings show one embodiment of the present invention; FIG. 1 is a time chart for explaining the operation, FIG. 2 is a block diagram showing the electrical configuration, FIG. 3 is a cutaway front view of the ice tray, and FIG. FIG. 4 is a diagram corresponding to FIG. 3 in a different state from FIG. 3. In the drawing, 1 is an ice tray, 6 is a heater, 7 is a temperature sensor, 1
1 is a triac, 12 is a control circuit (heater drive control means), and 13 is a waveform shaping circuit. Agent Patent Attorney Tsuyoshi Sato Figure ~2~ Figure a
Claims (1)
製氷皿の上下方向に温度差をつけることにより製氷皿の
内部下部から上方へ順次氷を生成させるようにしたもの
において、前記製氷皿の上方部に温度センサを設けると
共に、該温度センサによる検出温度に基づいて前記ヒー
タに交流電源電圧を全波通電する場合、半波通電する場
合または断電する場合を切り替えるヒータ駆動制御手段
を設けたことを特徴とする自動製氷装置。1. A heater is provided in the upper part of the ice-making tray, and the heater generates a temperature difference in the vertical direction of the ice-making tray to generate ice sequentially from the bottom inside the ice-making tray upward. A temperature sensor is provided in the upper part, and heater drive control means is provided for switching between full-wave energization, half-wave energization, or power-off of the AC power supply voltage to the heater based on the temperature detected by the temperature sensor. An automatic ice making device characterized by:
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2245905A JPH04124571A (en) | 1990-09-14 | 1990-09-14 | Automatic ice making device |
| KR1019910016090A KR920006710A (en) | 1990-09-14 | 1991-09-14 | Automatic ice maker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2245905A JPH04124571A (en) | 1990-09-14 | 1990-09-14 | Automatic ice making device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04124571A true JPH04124571A (en) | 1992-04-24 |
Family
ID=17140571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2245905A Pending JPH04124571A (en) | 1990-09-14 | 1990-09-14 | Automatic ice making device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH04124571A (en) |
| KR (1) | KR920006710A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020071802A1 (en) * | 2018-10-02 | 2020-04-09 | 엘지전자 주식회사 | Ice maker and refrigerator comprising same |
| KR20200038095A (en) * | 2018-10-02 | 2020-04-10 | 엘지전자 주식회사 | Ice maker and Refrigerator having the same |
| KR20200038094A (en) * | 2018-10-02 | 2020-04-10 | 엘지전자 주식회사 | Ice maker and Refrigerator having the same |
| EP3862676A4 (en) * | 2018-10-02 | 2022-08-10 | LG Electronics Inc. | Refrigerator and method for controlling same |
| US11874043B2 (en) | 2018-10-02 | 2024-01-16 | Lg Electronics Inc. | Refrigerator |
| US12013168B2 (en) | 2018-10-02 | 2024-06-18 | Lg Electronics Inc. | Refrigerator and method for controlling same |
-
1990
- 1990-09-14 JP JP2245905A patent/JPH04124571A/en active Pending
-
1991
- 1991-09-14 KR KR1019910016090A patent/KR920006710A/en not_active Application Discontinuation
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020071802A1 (en) * | 2018-10-02 | 2020-04-09 | 엘지전자 주식회사 | Ice maker and refrigerator comprising same |
| KR20200038095A (en) * | 2018-10-02 | 2020-04-10 | 엘지전자 주식회사 | Ice maker and Refrigerator having the same |
| KR20200038094A (en) * | 2018-10-02 | 2020-04-10 | 엘지전자 주식회사 | Ice maker and Refrigerator having the same |
| EP3862676A4 (en) * | 2018-10-02 | 2022-08-10 | LG Electronics Inc. | Refrigerator and method for controlling same |
| US11719478B2 (en) | 2018-10-02 | 2023-08-08 | Lg Electronics Inc. | Ice maker and refrigerator including the same |
| US11874043B2 (en) | 2018-10-02 | 2024-01-16 | Lg Electronics Inc. | Refrigerator |
| US12013168B2 (en) | 2018-10-02 | 2024-06-18 | Lg Electronics Inc. | Refrigerator and method for controlling same |
Also Published As
| Publication number | Publication date |
|---|---|
| KR920006710A (en) | 1992-04-28 |
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