JPH0229571A - Automatic ice making plant - Google Patents

Automatic ice making plant

Info

Publication number
JPH0229571A
JPH0229571A JP17871588A JP17871588A JPH0229571A JP H0229571 A JPH0229571 A JP H0229571A JP 17871588 A JP17871588 A JP 17871588A JP 17871588 A JP17871588 A JP 17871588A JP H0229571 A JPH0229571 A JP H0229571A
Authority
JP
Japan
Prior art keywords
ice
ice making
water
tray
making pan
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
JP17871588A
Other languages
Japanese (ja)
Inventor
Haruyuki Kodama
晴之 児玉
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 JP17871588A priority Critical patent/JPH0229571A/en
Publication of JPH0229571A publication Critical patent/JPH0229571A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To obtain an automatic ice making plant which is capable of producing highly transparent water in a short time by providing an ice making pan having a drain hole on the bottom, an icing detection means designed to detect the icing on the top of the ice making pan, a drainage means designed to drain the water remaining on the bottom of the ice making pan from the drain nozzle on signals transmitted from an icing detection means, and a take out means designed to take out the ice iced on the top of the ice making pan. CONSTITUTION:The water present in an ice making pan 9 is iced from the top to the bottom due to the cooled air sent fed from a cooler 16, but the water remaining in a communication passage 24 on the bottom of the ice making pan 9 and a drain hole 11 is kept in an uniced state, since the water is heated by a heater 26. The impurities contained in the city water which clouds the ice are enriched and deposited in the final stage of icing. Therefore, the top of the ice making pan 9 is subjected to icing. At the same time, if the bottom is not subjected to icing yet, the impurities are mixed into the water on the bottom of the ice making pan 9 and on the top of the ice making pan 9 is produced highly transparent ice. When a thermistor 27 detects the temperature at which icing has ended, a motor 12 is adapted to operate so that the ice may be picked up from the ice making pan 9 to an ice storage box 20, coupled by the rotation of an arm 14 inside the ice making pan 9.

Description

【発明の詳細な説明】 [産業上の利用分野] 本発明は製氷皿内にできた氷を自動的に取出す手段を備
えた自動製氷装置に関するもので、特に、製氷皿内で透
明な氷を製造できる自動製氷装置に関するものである。
[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an automatic ice-making device equipped with a means for automatically taking out ice formed in an ice-making tray. This invention relates to an automatic ice making device that can be manufactured.

[従来の技術] 従来のこの種の自動製氷装置として、実公昭60−32
850号公報に掲載の技術を挙げることができる。
[Prior art] As a conventional automatic ice making device of this type,
One example is the technique disclosed in Japanese Patent No. 850.

第9図は従来の自動製氷装置を示す概略図、第10図は
第9図の自動製氷装置の電気回路図である。
FIG. 9 is a schematic diagram showing a conventional automatic ice making device, and FIG. 10 is an electric circuit diagram of the automatic ice making device shown in FIG.

第9図において、(50)は冷蔵室、(51)は前記冷
蔵室(50)内に設置された給水ボトル、(52)は冷
凍室、(53)は前記冷凍室(52)内に装備された製
氷ユニット、(54)は前記製氷ユニット(53)に回
転可能に設けられた製氷皿、(55)は前記製氷ユニッ
ト(53)の下部に引出し自在に設けられた貯水箱、(
56)は前記給水ボトル(51)の水を前記製氷皿(5
4)に供給する給水ポンプである。
In FIG. 9, (50) is a refrigerator compartment, (51) is a water bottle installed in the refrigerator compartment (50), (52) is a freezer compartment, and (53) is installed in the freezer compartment (52). (54) is an ice tray rotatably provided on the ice making unit (53); (55) is a water storage box that is freely drawable at the bottom of the ice making unit (53);
56) pours water from the water bottle (51) into the ice tray (5).
4) is a water supply pump that supplies water to

第10図において、(57)は前記製氷皿(54)を回
転するモータ、(58)は製氷皿(54)内の水が氷結
するとオンする氷結検知スイッチ、(59)は製氷皿(
54)が所定量回転されるとオンする保持スイッチ、(
60)は製氷皿・(54)が水平になるとオンし、かつ
、製氷皿(54)に所定量の水が供給されるとオフする
給水スイッチ、(61)は貯、水箱(55)内の氷の重
量が一定になるとオフする重量検知スイッチ、(62〉
は製氷装置の動作モードを切換えるポジションスイッチ
である。
In FIG. 10, (57) is a motor that rotates the ice tray (54), (58) is a freezing detection switch that turns on when the water in the ice tray (54) freezes, and (59) is a motor that rotates the ice tray (54).
54) is turned on by a predetermined amount of rotation;
60) is a water supply switch that turns on when the ice tray (54) is horizontal and turns off when a predetermined amount of water is supplied to the ice tray (54); (61) is a water storage switch in the water box (55); Weight detection switch that turns off when the weight of ice becomes constant (62)
is a position switch that changes the operating mode of the ice making device.

次に、上記のように構成された従来の自動製氷装置の動
作を説明する。
Next, the operation of the conventional automatic ice making device configured as described above will be explained.

前記ポジションスイッチ(62)の切換操作で製氷モー
ドが選択されると、氷結検知スイッチ(58〉がオンし
たときに、モータ(57)に通電されて、製氷皿(54
)が回転される。製氷皿(54)が所定量回転すると、
保持スイッチ(59)がオンして、モータ(57)が継
続的に回転され、その回転途中で製氷皿(54)が図示
しない捩り機構で捩られ、製氷皿(54)内の氷が貯水
箱(55)内に取出される。
When the ice making mode is selected by switching the position switch (62), when the freezing detection switch (58> is turned on, the motor (57) is energized and the ice making tray (54) is turned on.
) is rotated. When the ice tray (54) rotates a predetermined amount,
The holding switch (59) is turned on, the motor (57) is continuously rotated, and during the rotation, the ice tray (54) is twisted by a torsion mechanism (not shown), and the ice in the ice tray (54) is transferred to the water storage box. (55).

氷を放出した製氷皿(54)が水平に復帰すると、保持
スイッチ(59)のオフによりモータ(57)が停止さ
れるとともに、給水スイッチ(60)のオンにより給水
ポンプ(56)が駆動されて、次の水が給水ボトル(5
1)から製氷皿(54)に所定量供給される。そして、
以上の製氷サイクルは前記重量検知スイッチ(61)が
オフするまで繰返して行われる。
When the ice tray (54) from which the ice has been released returns to a horizontal position, the motor (57) is stopped by turning off the holding switch (59), and the water supply pump (56) is driven by turning on the water supply switch (60). , the next water is from the water bottle (5
1), a predetermined amount is supplied to the ice cube tray (54). and,
The above ice making cycle is repeated until the weight detection switch (61) is turned off.

したがって、上記した従来の自動製氷装置によれば、給
水、氷結及び取出しの各工程を自動的に連続して行うこ
とができる。
Therefore, according to the above-mentioned conventional automatic ice making apparatus, each process of water supply, freezing, and taking out can be performed automatically and successively.

[発明が解決しようとする課題] ところで、家庭用冷蔵庫で使用している通常の製氷皿に
水道水を入れて凍らせた場合、出来上がった氷は、その
中に気泡が細かく分散して白く見え、味が悪く、しかも
溶ける速度が早い。更に、水道水で作った氷の中には各
種の溶解性塩類または溶解性ガスが含まれている。
[Problem to be solved by the invention] By the way, when tap water is poured into a regular ice cube tray used in a home refrigerator and frozen, the resulting ice appears white due to finely dispersed air bubbles. It tastes bad and dissolves quickly. Furthermore, ice made from tap water contains various soluble salts or soluble gases.

これらの不純物は氷に次のような影響を及ぼす。These impurities have the following effects on ice:

炭酸カルシュームまたは重炭酸カルシュームは水中に砂
状の析出物を生じ、氷に亀裂を発生させる原因となる。
Calcium carbonate or bicarbonate forms sand-like deposits in water and causes cracks in ice.

炭酸マグネシュームまたは重炭酸マグネシュームも前者
と同様に亀裂の原因となる。
Magnesium carbonate or magnesium bicarbonate also causes cracks, as does the former.

硫酸マグネシューム、塩化マグネシュームは氷をくすん
だ緑色または灰色に変色させるばかりでなく、氷結時間
を延ばすことになる。炭酸ソーダ或いは重炭酸ナトリウ
ムは微量でも氷に亀裂を発生させる。硫酸ナトリウム、
塩化ナトリウムも同様である。酸化第二鉄は黄色或いは
かつ色の析出物を発生する。また、酸化アルミニウムも
析出物を生じる。
Magnesium sulfate and magnesium chloride not only turn the ice a dull green or gray color, but also prolong the freezing time. Even small amounts of soda or sodium bicarbonate can cause ice to crack. sodium sulfate,
The same goes for sodium chloride. Ferric oxide produces a yellow or colored precipitate. Aluminum oxide also forms precipitates.

一般に、製氷皿は容器内を皿仕切で少数の小部屋に区劃
し、これらの小部屋に水を入れて冷凍室内に収納される
。すると、各小部屋内の水は水面近くから下方へ順次氷
結し、小部屋内全部の水が氷となる。このため、出来上
がった氷の外周部には透明部分が形成されるが、氷の中
心部には前記不純物が封じ込められて不透明な白濁部分
が形成される。
Generally, ice cube trays are stored in a freezing chamber by dividing the inside of the container into a small number of small chambers using a plate partition, and filling these small chambers with water. Then, the water in each small room gradually freezes from near the water surface downward, and all the water in the small room turns into ice. Therefore, a transparent portion is formed on the outer periphery of the ice, but the impurities are trapped in the center of the ice, forming an opaque, cloudy portion.

前述した従来の自動製氷装置においても、この種の製氷
皿(54)を使用して氷の全体を氷結させるため、中心
部が不純物等で白濁した不透明で見栄えの悪い製氷とな
る。
Even in the conventional automatic ice making apparatus described above, this type of ice tray (54) is used to freeze the entire ice, resulting in ice that is cloudy in the center due to impurities and has an unsightly appearance.

なお、水の冷却速度を遅くすることにより、水面が氷結
する前に水中の気泡を排除する方法も考えられるが、こ
の場合には、製氷時間が長くなるばかりでなく、析出物
を排除できないため、十分な透明度が得られない。
It is also possible to slow down the cooling rate of the water to eliminate air bubbles in the water before the water surface freezes, but in this case, not only will the ice making time take longer, but also the precipitates cannot be eliminated. , sufficient transparency cannot be obtained.

そこで、本発明は透明度が高い氷を短時間で作ることが
できる自動製氷装置の提供を課題とするものである。
Therefore, an object of the present invention is to provide an automatic ice making device that can make highly transparent ice in a short time.

[課題を解決するための手段] 本発明にかかる自動製氷装置は、冷凍室内に設置され底
部に排水孔を有する製氷皿と、製氷皿上部の氷結を検出
する氷結検出手段と、氷結検出手段の信号に基づき製氷
皿底部の水を排水孔から排水する排水手段と、製氷皿上
部に氷結した氷を取出す取出手段とを備えるものである
[Means for Solving the Problems] An automatic ice-making device according to the present invention includes an ice-making tray installed in a freezing chamber and having a drainage hole at the bottom, a freezing detection means for detecting freezing on the top of the ice-making tray, and a freezing detection means. The apparatus includes a drainage means for draining the water at the bottom of the ice tray from a drainage hole based on a signal, and a take-out means for removing ice frozen from the top of the ice tray.

[作用] 本発明の自動製氷装置においては、氷結検出手段により
製氷皿上部の氷結が検出されると、排水手段が作動し製
氷皿底部の不純物を含んだ未氷結の水を排水孔から排水
する。その後、取出手段が作動して製氷皿上部に氷結し
た透明度の高い氷を取出す。
[Function] In the automatic ice making device of the present invention, when freezing on the top of the ice tray is detected by the freezing detection means, the drainage means is activated to drain unfrozen water containing impurities from the bottom of the ice tray through the drainage hole. . Thereafter, the take-out means is operated to take out the highly transparent ice frozen on the top of the ice tray.

[実施例] 以下、本発明の詳細な説明する。[Example] The present invention will be explained in detail below.

まず、本発明を家庭用冷蔵庫の自動製氷装置として具体
化した第一実施例を第1図乃至第6図に従って説明する
First, a first embodiment of the present invention as an automatic ice making device for a household refrigerator will be described with reference to FIGS. 1 to 6.

第1図は本発明の第一実施例の自動製氷装置を示す正面
図、第2図は第1図の側面からみた断面図、第3図は第
1図で示した実施例の製氷皿部分の詳細を示す要部断面
図、第4図(a)及び(b)は第1図で示した実施例の
開閉弁を閉及び開状態で示す断面図、第5図は第1図で
示した実施例の自動製氷装置の電気回路図、第6図は第
1図で示した実施例の自動製氷装置の制御を示すタイム
チャートである。なお、図中、同一符号は同一または相
当部分を示す。
Fig. 1 is a front view showing an automatic ice making device according to a first embodiment of the present invention, Fig. 2 is a sectional view seen from the side of Fig. 1, and Fig. 3 is a portion of an ice making tray of the embodiment shown in Fig. 1. 4(a) and (b) are sectional views showing the on-off valve of the embodiment shown in FIG. 1 in closed and open states, and FIG. 5 is a sectional view showing details of the on-off valve shown in FIG. FIG. 6 is a time chart showing the control of the automatic ice making device of the embodiment shown in FIG. 1. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

第1図及び第2図において、(1)は家庭用冷蔵庫、(
2)は前記冷蔵庫(1)の上部に設けられた冷凍室、(
3)は前記冷凍室(2)の下部に設けられた冷蔵室、(
4)は前記冷蔵室(3)と前記冷凍室(2)とを仕切る
中仕切である。(5)は冷蔵室(3)内に設置され水通
水等を貯留する給水ボトル、(6)は給水ポンプ、(7
)は下端が前記給水ポンプ(6)に接続され、かつ、上
端が冷凍室(2)内に延びる給水パイプである。
In Figures 1 and 2, (1) is a household refrigerator, (
2) is a freezer compartment provided at the top of the refrigerator (1);
3) is a refrigerator compartment provided at the bottom of the freezer compartment (2);
4) is a partition that partitions the refrigerator compartment (3) and the freezer compartment (2). (5) is a water bottle installed in the refrigerator room (3) to store water, (6) is a water pump, and (7)
) is a water supply pipe whose lower end is connected to the water supply pump (6) and whose upper end extends into the freezer compartment (2).

(8)は前記冷凍室(2)内に設置された自動製氷装置
の箱体、(9)は前記箱体(8)上に設置された半円筒
状の製氷皿、(10)は前記製氷皿(9)内を複数の小
部屋に仕切る皿仕切、(11)は製氷皿(9)の底部に
形成された排水孔である。
(8) is a box of the automatic ice making device installed in the freezer compartment (2), (9) is a semi-cylindrical ice tray installed on the box (8), and (10) is the ice making device. A tray partition (11) that partitions the inside of the tray (9) into a plurality of small rooms is a drainage hole formed at the bottom of the ice cube tray (9).

(12)は前記箱体(8)内に配設されたモータ、(1
3)は製氷皿(9)の上方を水平に延びるように前記モ
ータ(12)の出力軸(12a)に連結された回転杆、
(14)は前記回転杆(13)上に突設され製氷皿(9
)の内部を掻回す複数のアームである。そして、前記モ
ータ(12)、回転杆(13)及びアーム(14)から
製氷皿(9)の上部に氷結した氷を取出す本実施例の取
出手段が構成される。なお、(20)は製氷皿(9)の
下方に設置され、前記アーム(14)が取出した氷を回
収する貯氷箱である。
(12) is a motor disposed inside the box (8);
3) a rotary rod connected to the output shaft (12a) of the motor (12) so as to extend horizontally above the ice tray (9);
(14) is provided protrudingly on the rotary rod (13) and includes an ice tray (9).
) are multiple arms that stir the inside of the. A take-out means of this embodiment is configured to take out the ice frozen on the top of the ice tray (9) from the motor (12), rotary rod (13), and arm (14). Note that (20) is an ice storage box that is installed below the ice tray (9) and collects the ice taken out by the arm (14).

(15)は前記中仕切(4)を貫通して上下に延びる排
水パイプであり、その上端は製氷皿(9)の前記排水孔
(11)に接続されている。また、下端は冷却器(16
)の下方に位置するトレイ(17)に接続されている。
A drain pipe (15) extends vertically through the partition (4), and its upper end is connected to the drain hole (11) of the ice tray (9). In addition, the lower end is a cooler (16
) is connected to the tray (17) located below.

(18)は前記排水パイプ(15)上に配設された開閉
弁であり、その内部には羽根(19)が回動可能に収容
されている(第4図参照)。(21)は前記モータ(1
2)の出力軸(12a>上に固定された駆動歯車、(2
2)は前記駆動歯車(21)に噛合う従動歯車、(23
)は前記従動歯車(22)の回転を前記開閉弁(18)
の羽根(19)に伝える伝達軸である。そして、前記排
水パイプ(15)、開閉弁(18)、モータ(12>、
駆動歯車(21)、従動歯車(22)等によって、製氷
皿(9)の底部の水を前記排水孔(11)から排水する
本実施例の排水手段が構成される。
(18) is an on-off valve disposed on the drain pipe (15), and a blade (19) is rotatably housed inside the valve (see Fig. 4). (21) is the motor (1
2), the drive gear fixed on the output shaft (12a>
2) is a driven gear (23) that meshes with the driving gear (21);
) controls the rotation of the driven gear (22) by controlling the rotation of the on-off valve (18).
This is the transmission shaft that transmits information to the blades (19). The drain pipe (15), the on-off valve (18), the motor (12>,
The driving gear (21), the driven gear (22), etc. constitute the drainage means of this embodiment that drains the water at the bottom of the ice tray (9) from the drainage hole (11).

第3図に示すように1、前記皿仕切(10)の下縁は製
氷皿(9)の底面より所定距離上方に位置していて、製
氷皿(9)の底部には、内部の水を製氷皿(9)の長手
方向に連通させる連通部(24)が形成されている。ま
た、製氷皿(9)の下側には前記連通部(24)の幅よ
り若干広い細断熱材(25)が前記排水パイプ(15)
を埋設するように設けられている。
As shown in Fig. 3, 1. The lower edge of the tray partition (10) is located a predetermined distance above the bottom of the ice tray (9), and the bottom of the ice tray (9) is provided with water inside. A communication portion (24) is formed to allow communication in the longitudinal direction of the ice tray (9). Further, on the lower side of the ice tray (9), a thin insulation material (25) slightly wider than the width of the communication portion (24) is connected to the drain pipe (15).
It is designed to bury the

また、(26)は前記細断熱材(25)で被包されるよ
うに製氷皿(9)の下面に均等に張設され、排水孔(1
1)及び連通部(24)内の水を氷結しない程度に加熱
するヒータである。(27)は細断熱材(25)の外側
において製氷皿(9)の外面に装着され、製氷皿(9)
上部の氷結を検出する氷結検出手段としてのサーミスタ
である。
In addition, (26) is evenly stretched over the lower surface of the ice tray (9) so as to be covered with the thin insulation material (25), and the drainage hole (1
1) and the communication portion (24) is a heater that heats the water to an extent that it does not freeze. (27) is attached to the outer surface of the ice tray (9) on the outside of the thin insulation material (25), and the ice tray (9)
This is a thermistor as an icing detection means for detecting icing on the upper part.

第5図において、(28)は冷蔵庫側結線端子(29)
を介して冷蔵庫(1)の運転回路に接続された自動製氷
装置の制御基板であり、この制御基板(28)には前記
給水ポンプ(6)、モータ(12)、ヒータ(26)及
びサーミスタ(27)が接続されている。
In Figure 5, (28) is the refrigerator side connection terminal (29)
This is a control board for the automatic ice making device that is connected to the operating circuit of the refrigerator (1) via the control board (28), and the water supply pump (6), motor (12), heater (26), and thermistor ( 27) is connected.

次に、上記実施例の自動製氷装置の動作を第6図のタイ
ムチャートに基づいて説明する。
Next, the operation of the automatic ice making apparatus of the above embodiment will be explained based on the time chart of FIG.

さて、冷蔵庫(1)の運転回路から制御基板(28)に
製氷開始信号が出力されると、給水ポンプ(6)が起動
され、給水ボトル(5)内の水が給水パイプ(7)を介
して製氷@(9)に供給される。製氷皿(9)が満水に
なると、給水ポンプ(6〉の運転が停止されるとともに
、ヒータ(26)が通電される。
Now, when an ice making start signal is output from the operating circuit of the refrigerator (1) to the control board (28), the water supply pump (6) is started and the water in the water bottle (5) is pumped through the water supply pipe (7). The ice is then supplied to ice making@(9). When the ice tray (9) is filled with water, the operation of the water supply pump (6>) is stopped and the heater (26) is energized.

冷却器(16)からの冷気で製氷ff1(9)内の水は
上部から下部へと氷結するが、製氷皿″(9)の底部の
連通部(24)及び排水孔(11)の水はヒータ(26
)で加熱されているため、未氷結の状態に保持される。
The water in the ice making ff1 (9) freezes from the top to the bottom due to the cold air from the cooler (16), but the water in the communication part (24) and drain hole (11) at the bottom of the ice making tray'' (9) freezes. Heater (26
), it is kept in an unfrozen state.

また、排水パイプ(15)中の水も細断熱材(25)の
断冷作用により氷結されない。
Furthermore, the water in the drain pipe (15) is not frozen due to the cooling effect of the fine heat insulating material (25).

ところで、氷を白濁させる水通水中の各種溶解性塩類ま
たは溶解性ガス等の不純物は氷結末期に濃縮して析出す
るため、前記したように、製氷皿(9)の上部が氷結し
、かつ、底部が未氷結の状態では、不純物は製氷皿(9
)の底部の水中に混入している。それ故、製氷皿(9)
の上部には透明度が高い氷が生成される。
By the way, impurities such as various soluble salts or soluble gases in the flowing water that make the ice cloudy condense and precipitate during the freezing period, so as described above, the upper part of the ice tray (9) freezes and If the bottom is not frozen, impurities will be removed from the ice cube tray (9
) is mixed into the water at the bottom of the tank. Therefore, ice tray (9)
Highly transparent ice forms at the top.

そして、製氷皿(9)上部の氷結が完了したときの温度
をサーミスタ(27)が検出すると、モータ(12)が
起動され、駆動歯車(21)、従動歯車(22)、伝達
軸(23)を介して開閉弁(18)の羽根(19)が回
動され、開閉弁(18)が第4図(a)に示す閉状態か
ら第4図(b)に示す開状態となり、製氷皿(9)の底
部の水が排水孔(11)から排水パイプ(15)を通っ
てトレイ(17)に排水される。また、これと同時に、
モータ(12)の起動により回転杆(13)が回転され
、製氷皿(9)内でのアーム(14)の回転に伴ない氷
が製氷皿(9)から貯水箱(20)に取出される。
When the thermistor (27) detects the temperature at which the upper part of the ice tray (9) has completely frozen, the motor (12) is started and the drive gear (21), driven gear (22), and transmission shaft (23) The blade (19) of the on-off valve (18) is rotated through the on-off valve (18), and the on-off valve (18) changes from the closed state shown in FIG. 4(a) to the open state shown in FIG. 4(b), and the ice tray ( 9) is drained from the drain hole (11) through the drain pipe (15) into the tray (17). Also, at the same time,
The rotating rod (13) is rotated by starting the motor (12), and as the arm (14) rotates within the ice tray (9), ice is taken out from the ice tray (9) to the water storage box (20). .

氷の取出しが終了してアーム(14)が原位置に復帰す
ると、モータ(12)が停止され、開閉弁(18)は第
4図(a)に示す閉状態に保持される。そして、次の製
氷開始信号に応答して空になった製氷@(9)に水が再
び供給され、前述した一連の自動製氷υイクルが繰返さ
れる。
When the ice removal is completed and the arm (14) returns to its original position, the motor (12) is stopped and the on-off valve (18) is maintained in the closed state shown in FIG. 4(a). Then, in response to the next ice making start signal, water is again supplied to the empty ice making @(9), and the above-described series of automatic ice making cycles is repeated.

このように、本実施例の自動製氷装置は、冷凍室(2)
内に設置され底部に排水孔(11)を有する製氷皿(9
)と、前記製氷皿(9)上部の氷結を検出する氷結検出
手段としての1ノ゛−ミスタ(27)と、前記サーミス
タ(27)の信号に基づき製氷皿(9)底部の水を排水
孔(11)から排水する排水手段を構成するモータ(1
2)及び開閉弁(18〉と、前記製氷皿(9)上部に氷
結した氷を取出す取出手段を構成するモータ(12)及
びアーム(14)とを備えるものである。
In this way, the automatic ice making device of this embodiment has a freezer compartment (2).
An ice tray (9) installed inside the ice tray and having a drainage hole (11) at the bottom.
), a one-noise mister (27) as a freezing detection means for detecting freezing on the top of the ice tray (9), and a drainage hole for draining the water at the bottom of the ice tray (9) based on the signal from the thermistor (27). The motor (1) that constitutes the drainage means for draining water from (11)
2), an on-off valve (18), a motor (12) and an arm (14) constituting a take-out means for taking out the ice frozen on the top of the ice tray (9).

したがって、不純物を製氷皿(9)底部の水中に混入さ
せた状態で、製氷皿(9)の上部に透明度の高い氷を生
成することができるとともに、その氷を貯水箱(20)
に自動的に取出すことができる。
Therefore, highly transparent ice can be generated at the top of the ice tray (9) with impurities mixed in the water at the bottom of the ice tray (9), and the ice can be transferred to the water storage box (20).
can be taken out automatically.

また、本実施例の構成によれば、ヒータ(26)及び細
断熱材(25)が設けられているため、連通部(24>
、排水孔(11)、排水パイプ(15)の氷結が防止さ
れ、製氷皿(9)底部の水を確実に排水できる。更に、
取出手段のモータ(12)を利用して排水手段の開閉弁
(18)を作動するように構成したので、排水用として
電磁弁を別個に設置する場合と比較して、構成がより簡
単となる。
Further, according to the configuration of this embodiment, since the heater (26) and the thin insulation material (25) are provided, the communication portion (24>
, the drainage hole (11), and the drainage pipe (15) are prevented from freezing, and the water at the bottom of the ice tray (9) can be reliably drained. Furthermore,
Since the motor (12) of the extraction means is used to operate the on-off valve (18) of the drainage means, the construction is simpler than when a separate solenoid valve is installed for drainage. .

次に、排水手段の構成が上記実施例と相違する本発明の
第二実施例を第7図及び第8図に従って説明する。
Next, a second embodiment of the present invention in which the structure of the drainage means is different from the above embodiment will be described with reference to FIGS. 7 and 8.

第7図は第二実施例による自動製氷装置を示す家庭用冷
蔵庫上部の側面からみた断面図、第8図は第7図の開閉
弁(34)を拡大して示す断面図である。なお、図中、
第一実施例と同−符号及び記号は第一実施例の構成部分
と同一または相当する構成部分を示すものであるので、
ここでは重複する説明を省略する。
FIG. 7 is a cross-sectional view of the automatic ice-making device according to the second embodiment, viewed from the side of the upper part of a household refrigerator, and FIG. 8 is an enlarged cross-sectional view of the on-off valve (34) in FIG. 7. In addition, in the figure,
The same reference numerals and symbols as in the first embodiment indicate constituent parts that are the same as or correspond to the constituent parts in the first embodiment.
Duplicate explanations will be omitted here.

第7図において、(31)はモータ(12)の出力軸(
12a)上に固定されたカム、(32)は上端に前記カ
ム(31)に係合する係合部(33)を有するバルブ軸
、(34)は製氷皿(9)の排水孔(11)からトレイ
(17)に延びる排水パイプ(15)上に配設された開
閉弁である。
In Fig. 7, (31) is the output shaft (
12a) A cam fixed on top, (32) a valve shaft having an engaging part (33) at the upper end that engages with the cam (31), (34) a drain hole (11) of the ice tray (9); This is an on-off valve disposed on the drain pipe (15) extending from the drain pipe (15) to the tray (17).

第8図に示すように、前記開閉弁(34)内には弾性材
料よりなる蛇腹弁(35)がその上端を固定した状態で
収容され、下端に形成された弁部(36)には前記バル
ブ軸(32)の下端が連結されている。なお、前記以外
の構成は第一実施例と同様である。
As shown in FIG. 8, a bellows valve (35) made of an elastic material is accommodated in the on-off valve (34) with its upper end fixed, and a valve portion (36) formed at its lower end is provided with a bellows valve (35) made of an elastic material. The lower end of the valve shaft (32) is connected. Note that the configuration other than the above is the same as that of the first embodiment.

上記構成において、モータ(12)の停止時には、カム
(31)がバルブ軸(32)を押下げて、蛇腹弁(35
)が自身の弾性に抗して伸張され、その下端の弁部(3
6)が排水パイプ(15)を閉鎖している。この状態で
、前記ザーミスタ(27)の氷結検出信号に応答してモ
ータ(12)が起動されると、カム(31)の回転に伴
ない蛇腹弁(35)が自身の弾性に従って圧縮し、その
弁部(36)が排水パイプ(15)を開放する。
In the above configuration, when the motor (12) is stopped, the cam (31) pushes down the valve shaft (32) and the bellows valve (35)
) is stretched against its own elasticity, and the valve part (3
6) closes the drain pipe (15). In this state, when the motor (12) is activated in response to the freezing detection signal from the thermistor (27), the bellows valve (35) compresses according to its own elasticity as the cam (31) rotates. The valve part (36) opens the drain pipe (15).

この結果、製氷皿(9)底部の不純物を含んだ水が排水
パイプ(15)を介してトレイ(17)に排水される。
As a result, water containing impurities at the bottom of the ice tray (9) is drained into the tray (17) via the drain pipe (15).

そして、モータ(12)が更に回転すると、カム(31
)のカム形状に従い、蛇腹弁(35〉が前者と同様に排
水パイプ(15〉を再び閉鎖する。
Then, when the motor (12) further rotates, the cam (31)
), the bellows valve (35>) again closes the drain pipe (15>) in the same way as the former.

このように、第二実施例の自動製氷装置における排水手
段は、モータ(12)と、カム(31)と、バルブ軸(
32)と、蛇腹弁(35)を有する開閉弁(34)等か
ら構成したものである。したがって、第一実施例と同様
、開閉弁(34)の開放時に製氷皿(9)底部の不純物
を含んだ水を排水して、製氷皿(9)の上部に透明度の
高い氷を生成できるとともに、氷取出用のモータ(12
)を利用して装置を簡単に構成することができる。
As described above, the drainage means in the automatic ice making device of the second embodiment includes the motor (12), the cam (31), and the valve shaft (
32), an on-off valve (34) having a bellows valve (35), etc. Therefore, similarly to the first embodiment, when the on-off valve (34) is opened, water containing impurities at the bottom of the ice tray (9) can be drained, and highly transparent ice can be produced at the top of the ice tray (9). , ice removal motor (12
) can be used to easily configure the device.

ところで、上記第−及び第二実施例の取出手段は、モー
タ(12)と回転杆(13)とアーム(−14>とから
構成されているが、本発明を実施する場合には、これに
限定されるものではなく、製氷皿(9)上部に氷結した
氷を取出すように機能するものであればよい。特に、ア
ーム(14)の回転で取出すように実施した場合には、
製氷皿(9)を捩って取出す場合とは異なり、取出時に
製氷皿底部の水が外に零れないという効果が得られる。
By the way, the ejecting means in the above-mentioned first and second embodiments is composed of a motor (12), a rotating rod (13), and an arm (-14>), but when carrying out the present invention, this is not necessary. It is not limited to this, and any device that functions to take out ice frozen on the top of the ice tray (9) may be used. In particular, when it is taken out by rotating the arm (14),
Unlike the case where the ice cube tray (9) is taken out by twisting, the effect that the water at the bottom of the ice cube tray does not spill out when taking it out can be obtained.

[発明の効果] 以上のように、本発明の自動製氷装置は、冷凍室内に設
置され底部に排水孔を有する製氷皿と、製氷皿上部の氷
結を検出する氷結検出手段と、氷結検出手段の信号に基
づき製氷皿底部の水を排水孔から排水する排水手段と、
製氷皿上部に氷結した氷を取出す取出手段とを備えるも
のであるから、不純物を製氷皿底部の水中に混入させた
状態で、製氷皿の上部に透明度の高い氷を短時間に生成
することができ、また、その製氷皿の氷を自動的に取出
すことができる。
[Effects of the Invention] As described above, the automatic ice making device of the present invention includes an ice making tray installed in a freezing chamber and having a drainage hole at the bottom, an ice detection means for detecting freezing on the upper part of the ice tray, and a freezing detection means. a drainage means for draining water at the bottom of the ice tray from the drainage hole based on the signal;
Since the top of the ice tray is equipped with a take-out means for taking out frozen ice, highly transparent ice can be generated in a short time at the top of the ice tray even if impurities are mixed in the water at the bottom of the ice tray. You can also automatically take out the ice from the ice cube tray.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明を家庭用冷蔵庫の自動製氷装置に具体化
した第一実施例の自動製氷装置の正面図、第2図は第1
図で示した実施例の自動製氷装置の側面からみた断面図
、第3図は第1図で示した実施例の自動製氷装置の製氷
皿部分の詳細を示す断面図、第4図(a)及び(b)は
第1図で示した実施例の自動製氷装置の開閉弁を閉及び
開状態で示す断面図、第5図は第1図で示した実施例の
自動製氷装置の電気回路図、第6図は第1図で示した実
施例の自動製氷装置の制御を、示すタイムチャート、第
7図は本発明の第二実施例による自動製氷装置を示す家
庭用冷蔵庫の上部の側面からみた断面図、第8図は第7
図の実施例の自動製氷装置の開閉弁を拡大して示す断面
図、第9図は従来の自動製氷装置を示″rj@略図、第
10図は第9図の自動製氷装置の電気回路図である。 図において、 2:冷凍室、    9:製氷皿、 11:排水孔、   12:モータ、 14:アーム、   15:排水パイプ、18:開閉弁
、   27 : ”j−ミスタ、34:開閉弁 である。 なお、図中、同−符号及び同一記号は同一または相当部
分を示すものである。 代理人 弁理士 大台 増雄 外2名 第2図 12:モータ 第4図 (a) (b) 第5図 第6図 +  今 鯰水 覧X 十   参   季 慰  坤し  窮 第8図 二し−一一31
FIG. 1 is a front view of an automatic ice-making device according to a first embodiment of the present invention, which is an automatic ice-making device for a household refrigerator, and FIG.
FIG. 3 is a cross-sectional view of the automatic ice-making device of the embodiment shown in the figure as seen from the side; FIG. 3 is a cross-sectional view showing details of the ice-making tray portion of the automatic ice-making device of the embodiment shown in FIG. 1; FIG. and (b) is a sectional view showing the on-off valve of the automatic ice making device of the embodiment shown in FIG. 1 in the closed and open states, and FIG. 5 is an electric circuit diagram of the automatic ice making device of the embodiment shown in FIG. 1. , FIG. 6 is a time chart showing the control of the automatic ice making device according to the embodiment shown in FIG. The sectional view shown in Fig. 8 is the 7th section.
FIG. 9 is a cross-sectional view showing an enlarged opening/closing valve of the automatic ice-making device according to the embodiment shown in the figure. FIG. 9 is a schematic diagram of a conventional automatic ice-making device. FIG. In the figure, 2: Freezer compartment, 9: Ice tray, 11: Drain hole, 12: Motor, 14: Arm, 15: Drain pipe, 18: On-off valve, 27: "J-Mister, 34: On-off valve It is. In the drawings, the same reference numerals and the same symbols indicate the same or equivalent parts. Agent Patent attorney Masuo Odai and two others Fig. 2 12: Motor Fig. 4 (a) (b) Fig. 5 Fig. 6 + Imamazu Mizu Ran 1131

Claims (1)

【特許請求の範囲】[Claims] (1)冷凍室内に設置され底部に排水孔を有する製氷皿
と、 前記製氷皿上部の氷結を検出する氷結検出手段と、 前記氷結検出手段の信号に基づき製氷皿底部の水を排水
孔から排水する排水手段と、 前記製氷皿に氷結した氷を取出す取出手段とを具備する
ことを特徴とする自動製氷装置。
(1) An ice tray installed in a freezing room and having a drainage hole at the bottom; a freezing detection means for detecting freezing on the top of the ice tray; and draining water at the bottom of the ice tray from the drainage hole based on a signal from the freezing detection means. An automatic ice-making device comprising: a drainage means for removing frozen ice from the ice-making tray; and a take-out means for removing frozen ice from the ice tray.
JP17871588A 1988-07-18 1988-07-18 Automatic ice making plant Pending JPH0229571A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17871588A JPH0229571A (en) 1988-07-18 1988-07-18 Automatic ice making plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17871588A JPH0229571A (en) 1988-07-18 1988-07-18 Automatic ice making plant

Publications (1)

Publication Number Publication Date
JPH0229571A true JPH0229571A (en) 1990-01-31

Family

ID=16053301

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17871588A Pending JPH0229571A (en) 1988-07-18 1988-07-18 Automatic ice making plant

Country Status (1)

Country Link
JP (1) JPH0229571A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011257063A (en) * 2010-06-09 2011-12-22 Sharp Corp Ice-making device for refrigerator-freezer
CN112469950A (en) * 2018-07-25 2021-03-09 青岛海尔电冰箱有限公司 Ice making assembly and method of making transparent ice
WO2022135575A1 (en) * 2020-12-24 2022-06-30 海尔智家股份有限公司 Liquid storage tank, and ice maker comprising same
WO2023193702A1 (en) * 2022-04-05 2023-10-12 海尔智家股份有限公司 Liquid supply device and refrigerator comprising liquid supply device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011257063A (en) * 2010-06-09 2011-12-22 Sharp Corp Ice-making device for refrigerator-freezer
CN112469950A (en) * 2018-07-25 2021-03-09 青岛海尔电冰箱有限公司 Ice making assembly and method of making transparent ice
WO2022135575A1 (en) * 2020-12-24 2022-06-30 海尔智家股份有限公司 Liquid storage tank, and ice maker comprising same
WO2023193702A1 (en) * 2022-04-05 2023-10-12 海尔智家股份有限公司 Liquid supply device and refrigerator comprising liquid supply device

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