JPS646385B2 - - Google Patents
Info
- Publication number
- JPS646385B2 JPS646385B2 JP4958282A JP4958282A JPS646385B2 JP S646385 B2 JPS646385 B2 JP S646385B2 JP 4958282 A JP4958282 A JP 4958282A JP 4958282 A JP4958282 A JP 4958282A JP S646385 B2 JPS646385 B2 JP S646385B2
- Authority
- JP
- Japan
- Prior art keywords
- ice
- making
- water
- thickness
- water level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 51
- 238000001514 detection method Methods 0.000 claims description 18
- -1 and the like Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Landscapes
- Production, Working, Storing, Or Distribution Of Ice (AREA)
Description
【発明の詳細な説明】
本発明は、貯水タンク内の製氷用水を冷凍装置
を構成する製氷部材にポンプ装置にて循環し製氷
部材上に板状氷を生成する自動製氷機に関し、特
に生成される板状氷の氷厚を任意に変更する氷厚
制御装置に係わる。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an automatic ice maker that circulates ice making water in a water storage tank to an ice making member constituting a refrigeration device using a pump device to generate sheet ice on the ice making member, and particularly relates to an automatic ice making machine that generates sheet ice on the ice making member. This invention relates to an ice thickness control device that arbitrarily changes the ice thickness of sheet ice.
従来の製氷機における氷厚制御装置としては貯
水タンク内に水位検出装置を設け、この水位検出
装置を構成する氷厚調整板をタンク内において上
下にスライド可能にしたものがある。すなわちこ
の装置において氷厚を厚くする時は氷厚調整板を
下げ、薄くする時は上げて製氷部材上に循環され
るべき製氷水の量を変更し、もつて生成される氷
厚を可変とするものである。 As an ice thickness control device for a conventional ice maker, there is one in which a water level detection device is provided in a water storage tank, and an ice thickness adjustment plate constituting the water level detection device can be slid up and down within the tank. In other words, in this device, when increasing the ice thickness, the ice thickness adjusting plate is lowered, and when making the ice thinner, it is raised to change the amount of ice making water to be circulated over the ice making member, thereby making it possible to vary the thickness of the ice produced. It is something to do.
ところが、かかる氷厚制御装置は氷厚を切替え
る都度氷厚調整板の微調整を必要とし簡単に切替
えられず、また機構的に複雑となり、故障もしや
すい欠点がある。 However, such an ice thickness control device requires fine adjustment of the ice thickness adjusting plate each time the ice thickness is changed, and has the disadvantage that it cannot be easily changed, is mechanically complex, and is prone to failure.
本発明は斯かる点に鑑み、貯水タンク内に上限
設定用スイツチ及び下限設定スイツチを持つた水
位検出装置を設け、下限設定スイツチが作動して
一定標準の氷厚を持つ氷を生成した後、所望する
氷厚設定値と外気温を検出し製氷時間を設定し、
さらにこの設定された時間だけ製氷運転を続ける
ことで、氷厚変化させ、もつて氷厚調整を機構的
に複雑化せずして任意の氷厚を得ることのできる
製氷機に制御装置を提供するものである。 In view of this, the present invention provides a water level detection device having an upper limit setting switch and a lower limit setting switch in the water storage tank, and after the lower limit setting switch operates to generate ice having a certain standard ice thickness, Detects the desired ice thickness setting and outside temperature, sets the ice making time,
Furthermore, we provide a control device for ice makers that can change the ice thickness by continuing the ice making operation for the set time, thereby obtaining the desired ice thickness without complicating the mechanism of ice thickness adjustment. It is something to do.
以下に本発明の一実施例を図面に基づき説明す
る。第１図は、本発明の制御装置を具備した製氷
機の一例を示しており、１は断熱壁にて形成され
ている製氷機本体であり、製氷室２と機械室３か
ら構成され、製氷室２内には蒸発器４を具備する
製氷部材５が傾斜設置され、又、製氷用水を貯留
する貯水タンク６及びこのタンク６内に循環水ポ
ンプ装置７を装設して流水循環式製氷系統が構成
されている。前記製氷部材５の下方に貯氷室８及
び脱氷後の板氷を受け所定の大きさの氷塊に切断
する板氷切断用ヒータ装置９を設けている。又、
機械室３には蒸発器４と共に冷凍回路を形成する
電動圧緒機１０及び凝縮器１１を配置している。
１２は凝縮器１１の空冷用フアンである。又１３
は前記貯氷室８内の所定氷量を検出する感温部を
持つた貯氷量検出装置で、氷塊の接触温度を感知
して全ての製氷運転を停止する様に設けられてい
る。１４は水源に接続された給水管路１５を電気
的に開閉し貯水タンク６内に製氷水を導入する給
水弁である。貯水タンク６内には、所定水位を維
持する排水パイプ１６と、水位１７を検出する上
限設定スイツチ１８と下限設定スイツチ１９で構
成される水位検出装置２６が配設されている。 An embodiment of the present invention will be described below based on the drawings. FIG. 1 shows an example of an ice maker equipped with the control device of the present invention. 1 is an ice maker main body formed of a heat insulating wall, and is composed of an ice maker 2 and a machine room 3. Inside the chamber 2, an ice making member 5 equipped with an evaporator 4 is installed at an angle, and a water storage tank 6 for storing water for ice making and a circulating water pump device 7 are installed in this tank 6 to form a running water circulating ice making system. is configured. An ice storage chamber 8 and an ice sheet cutting heater device 9 are provided below the ice making member 5 to receive ice sheets after deicing and cut them into blocks of ice of a predetermined size. or,
In the machine room 3, an electric compressor 10 and a condenser 11, which together with the evaporator 4 form a refrigerating circuit, are arranged.
12 is an air cooling fan for the condenser 11. Also 13
is an ice storage amount detecting device having a temperature sensing part for detecting a predetermined amount of ice in the ice storage chamber 8, and is installed to sense the contact temperature of ice cubes and stop all ice making operations. A water supply valve 14 electrically opens and closes a water supply pipe 15 connected to a water source to introduce ice-making water into the water storage tank 6. Inside the water storage tank 6, a water level detection device 26 is disposed, which includes a drainage pipe 16 for maintaining a predetermined water level, and an upper limit setting switch 18 and a lower limit setting switch 19 for detecting the water level 17.
２０は製氷部材５に生成した氷を脱氷する際、
蒸発器４に電動圧縮機１０より流すホツトガスゆ
電気的に制御する電磁弁である。 20, when deicing the ice generated in the ice making member 5,
This is a solenoid valve that electrically controls the flow of hot gas from the electric compressor 10 into the evaporator 4.
第２図は上記製氷機の制御装置を示すブロツク
線図である。２１は製氷部材５上で生成される板
状氷の所望の氷厚設定値を決めるボリウムで、こ
の出力はその設定値を検出する為、マイクロコン
ピユータ２２の出力信号O1のアナログ値に変換
するデジタル／アナログ変換（以下Ｄ／Ａ変換と
する）回路２３の出力と共に比較回路２４に入力
されている。マイクロコンピユータ２２の入力信
号はこの比較回路２４の出力の他、製氷時の外気
温を検知する外気温感知装置２５、水位１７を検
知する水位検出装置２６（上述の如く上限設定ス
イツチ１７及び下限設定スイツチ１８とで構成）、
脱氷終了を検出すべく蒸発器４に取り付けた脱水
検知装置２７の出力がある。一方マイクロコンピ
ユータ２２の出力で各リレー２８，２９，３０，
３１が動作される。すなわちリレー２８は循環水
ポンプ装置７、電動圧縮機１０、空冷用フアン１
２を駆動し、リレー２９は電磁弁２０を駆動し、
リレー３０は給水弁１４を駆動し、リレー３１は
板氷切断用ヒータ９を駆動するものである。また
３２，３３，３４，３５は夫々のリレー２８，２
９，３０，３１に対応するドライブ回路である。 FIG. 2 is a block diagram showing a control device for the ice making machine. Reference numeral 21 denotes a volume that determines the desired ice thickness setting value of the sheet ice produced on the ice making member 5, and this output is converted into an analog value of the output signal O1 of the microcomputer 22 in order to detect the setting value. It is input to a comparison circuit 24 together with the output of a digital/analog conversion (hereinafter referred to as D/A conversion) circuit 23 . The input signals of the microcomputer 22 include, in addition to the output of this comparison circuit 24, an outside temperature sensing device 25 that detects the outside temperature during ice making, and a water level sensing device 26 that detects the water level 17 (as described above, the upper limit setting switch 17 and the lower limit setting switch 17). Consisting of switch 18),
There is an output from a dehydration detection device 27 attached to the evaporator 4 to detect the completion of deicing. On the other hand, each relay 28, 29, 30,
31 is operated. That is, the relay 28 connects the circulating water pump device 7, the electric compressor 10, and the air cooling fan 1.
2, the relay 29 drives the solenoid valve 20,
The relay 30 drives the water supply valve 14, and the relay 31 drives the ice cutting heater 9. Also, 32, 33, 34, 35 are the respective relays 28, 2.
This is a drive circuit corresponding to numbers 9, 30, and 31.
そして上記マイクロコンピユータ２２は周知の
手段によつて各回路及び検出装置２４〜２７に応
じて動作信号を出力することは言うまでもなく、
内蔵せるタイマ装置によつてボリウム２１による
氷厚設定値と外気温感知装置２５の検出値に応じ
てあらかじめ決められた所定の出力を出すべくプ
ログラムされている。すなわち、一般的に上述の
如き製氷機においては、同じ氷厚の氷を生成する
際に外気温によつて製氷時間に差異が生じ、高外
気温であれば所望の氷厚の氷を生成するのに要す
る製氷時間は長く、低温であれば短くなる。作つ
てマイクロコンピユータ２２では所望の氷厚を設
定すれば外気温に応じて製氷継続時間を変化させ
るべく出力信号O2からの出力時間を異ならせる
ようプログラムさせているものである。 Needless to say, the microcomputer 22 outputs operation signals according to each circuit and the detection devices 24 to 27 by well-known means.
A built-in timer device is programmed to output a predetermined output according to the ice thickness set value by the volume control 21 and the detected value by the outside temperature sensing device 25. In other words, in general, in the above-mentioned ice making machines, when producing ice of the same thickness, the ice making time differs depending on the outside temperature, and if the outside temperature is high, ice of the desired thickness will be produced. It takes a long time to make ice, and it becomes shorter if the temperature is low. The microcomputer 22 is programmed to vary the output time from the output signal O2 in order to change the ice making continuation time depending on the outside temperature once the desired ice thickness is set.
次に上記構成における動作を第３図のフローチ
ヤートを参照に説明する。 Next, the operation of the above configuration will be explained with reference to the flowchart of FIG.
まず運転スイツチ（図示せず）の投入により、
マイクロコンピユータ２２の出力信号O2がドラ
イブ回路３２の入力端子に接続されておりドライ
ブ回路３２を動作させてリレー２８を働かせ電動
圧縮機１０、循環水ポンプ装置７及び空冷用フア
ン１２を動かし製氷が開始される。つまり循環ポ
ンプ装置７によつて貯水タンク６内の製氷水を製
氷部材５上に循環し、該製氷部材５上に氷層を形
成するものである。 First, by turning on the operation switch (not shown),
The output signal O2 of the microcomputer 22 is connected to the input terminal of the drive circuit 32, which operates the drive circuit 32, activates the relay 28, operates the electric compressor 10, circulating water pump device 7, and air cooling fan 12, and makes ice. will be started. That is, the ice-making water in the water storage tank 6 is circulated over the ice-making member 5 by the circulation pump device 7 to form an ice layer on the ice-making member 5.
一方所望の氷厚を持つ板状氷を生成すべく、ボ
リウム２１で氷厚を設定する。この設定値をマイ
クロコンピユータ２２の出力信号O1をＤ／Ａ変
換回路２３をとおしアナログ値に変換した後、比
較回路２４で設定値と比較することで設定値を読
みとりマイクロコンピユータ２２の入力信号D1
とする。 On the other hand, the ice thickness is set using the volume control 21 in order to generate sheet ice having a desired ice thickness. The output signal O1 of the microcomputer 22 is converted into an analog value through the D/A conversion circuit 23, and then compared with the set value in the comparator circuit 24 to read the set value and the input signal D of the microcomputer 22. 1
shall be.
さらに製氷時の外気温を検知する外気温感知装
置２５が設けられていて、この装置２５の出力は
マイクロコンピユータ２２の入力信号D2として
入力される。そして上記入力信号D1とD2とで継
続すべき製氷時間をマイクロコンピユータ２２の
内部処理で決定するものである。 Further, an outside temperature sensing device 25 is provided to detect the outside temperature during ice making, and the output of this device 25 is inputted as an input signal D 2 to the microcomputer 22. The duration of ice making to be continued is determined by the internal processing of the microcomputer 22 based on the input signals D1 and D2 .
前記した製氷運転が開始されていて所定時間運
転が継続していると、貯水タンク６内の水位７が
下降し、標準的な氷厚が得られる位置に破置した
下限設定スイツチ１９に到達し、下限設定スイツ
チ１９はこれを感知して導通状態になり、水位検
出装置２６によりマイクロコンピユータ２２に入
力信号D3が入力される。この時、製氷部材５に
は一定標準氷厚の氷を生成している。水位検出装
置２６よりの入力信号D3が入つた後、上記した
ように氷厚設定値の入力信号D1、外気温感知装
置よりの入力信号D2の２入力信号によりマイク
ロコンピユータ２２の内部処理によるタイマ装置
で製氷終了時間を決め、一定標準氷厚の氷を生成
した後に、決められた製氷終了時間まで製氷を続
け所望の氷厚の氷を得ることが可能となる。 When the ice-making operation described above has started and continues for a predetermined period of time, the water level 7 in the water storage tank 6 decreases and reaches the lower limit setting switch 19, which is placed at a position where standard ice thickness can be obtained. , the lower limit setting switch 19 senses this and becomes conductive, and the water level detection device 26 inputs the input signal D 3 to the microcomputer 22 . At this time, ice having a constant standard ice thickness is generated in the ice making member 5. After the input signal D 3 from the water level detection device 26 is input, as described above, the internal processing of the microcomputer 22 is performed by two input signals: the input signal D 1 of the ice thickness setting value and the input signal D 2 from the outside temperature sensing device. After determining the end time of ice making with a timer device and producing ice of a constant standard ice thickness, ice making can be continued until the determined end time of ice making, thereby making it possible to obtain ice of a desired ice thickness.
決められた製氷終了時間経過後、マイクロコン
ピユータ２２の出力信号O3がドライブ回路３３
の入力端子に接続されておりドライブ回路３３を
動作させてリレー２９を働かせ電磁弁２０を開き
蒸発器４に電動圧縮機１０よりホツトガスを流
し、製氷部材５に生成した氷を脱氷する。又、同
時にマイクロコンピユータ２２の出力信号O4が
ドライブ回路３４の入力端子に接続されておりド
ライブ回路３４を動作させリレー３０を働かし給
水弁１４を開き、脱水タンク６に給水管路１５よ
り給水され水位１７が上限設定スイツチ１８まで
上昇すると上限設定スイツチ１８は導通状態とな
り、水位検出装置２６よりマイクロコンピユータ
２２へ入力信号D3が入り給水を終了する。 After the predetermined ice making end time has elapsed, the output signal O3 of the microcomputer 22 is output to the drive circuit 33.
The drive circuit 33 is operated to activate the relay 29 and open the solenoid valve 20 to flow hot gas from the electric compressor 10 into the evaporator 4 to deice the ice formed in the ice making member 5. At the same time, the output signal O4 of the microcomputer 22 is connected to the input terminal of the drive circuit 34, which operates the drive circuit 34, operates the relay 30, opens the water supply valve 14, and water is supplied to the dehydration tank 6 from the water supply pipe 15. When the water level 17 rises to the upper limit setting switch 18, the upper limit setting switch 18 becomes conductive, and an input signal D3 is input from the water level detection device 26 to the microcomputer 22, thereby terminating the water supply.
次に蒸発器４に取り付けた脱氷検知装置２７の
入力信号D4により脱氷を検知するとマイクロコ
ンピユータ２２の出力信号O5がドライブ回路３
５の入力端子に接続されておりドライブ回路３５
を動作させリレー３１を働かせ脱氷後、板氷切断
用ヒータ９上に落下した板氷を切断する為、板氷
切断用ヒータ９に通電をし、所望の氷厚を持つた
氷を得る。 Next, when deicing is detected by the input signal D4 of the deicing detection device 27 attached to the evaporator 4 , the output signal O5 of the microcomputer 22 is sent to the drive circuit 3.
The drive circuit 35 is connected to the input terminal of 5.
After deicing by operating the relay 31, the heater 9 for cutting the ice sheet is energized to cut the ice sheet that has fallen onto the heater 9 for cutting the ice sheet, thereby obtaining ice having a desired thickness.
以上の説明から明らかな様に、本発明の製氷機
の氷厚制御回路は水位検出装置と外気温を検出す
る外気温感知装置とで製氷継続時間を設定し、製
氷中、水位検出装置が所定の水位を検出した後、
所定時間製氷運転を行なうので、従来の如く氷厚
調整板を氷厚を切替える都度微調整する必要がな
く簡単に氷厚を切替えることができ、かつ、外気
温に対応しているので正確な氷厚の氷を得ること
ができるものである。 As is clear from the above explanation, the ice thickness control circuit of the ice maker of the present invention uses a water level detection device and an outside temperature sensing device that detects outside temperature to set the ice making duration time, and during ice making, the water level sensing device sets a predetermined time. After detecting the water level of
Since the ice making operation is performed for a predetermined period of time, there is no need to fine-tune the ice thickness adjustment plate every time the ice thickness is changed, making it easy to change the ice thickness.Also, since it corresponds to the outside temperature, accurate ice can be made. It is possible to obtain thick ice.
第１図は、本発明の一実施例における製氷機の
断面図、第２図は、同製氷機の氷厚制御装置のブ
ロツク線図、第３図は同装置の動作を説明するフ
ロチヤートである。
５……製氷部材、６……貯水タンク、７……循
環ポンプ装置、２１……ボリウム（氷厚設定装
置）、２２……マイクロコンピユータ（手段）、２
５……外気温感知装置、２６……水位検出装置。
Fig. 1 is a sectional view of an ice maker according to an embodiment of the present invention, Fig. 2 is a block diagram of an ice thickness control device of the ice maker, and Fig. 3 is a flowchart explaining the operation of the ice maker. . 5...Ice making member, 6...Water tank, 7...Circulation pump device, 21...Volume (ice thickness setting device), 22...Microcomputer (means), 2
5...Outside temperature sensing device, 26...Water level detection device.
Claims (1)
製氷水を循環する循環ポンプ装置、製氷水を貯水
する貯水タンク等を備え、さらに前記貯水タンク
内の製氷水の水位を検出する水位検出装置、外気
温を検出する外気温検出装置、所望の氷厚を設定
する氷厚設定装置を有し、前記外気温検出装置及
び氷厚設定装置の検出信号によつて前記水位検出
装置の検出動作後の製氷運転継続時を設定し製氷
動作を継続する手段を備えた製氷機の氷厚制御装
置。1. An ice-making member that generates sheet ice, a circulation pump device that circulates ice-making water through the ice-making member, a water storage tank that stores the ice-making water, and the like, and a water level detection device that detects the water level of the ice-making water in the water storage tank. , an outside temperature detection device that detects outside temperature, and an ice thickness setting device that sets a desired ice thickness, and after the detection operation of the water level detection device is performed by the detection signals of the outside temperature detection device and the ice thickness setting device. An ice thickness control device for an ice maker, which is equipped with a means for setting the continuation time of ice making operation and continuing the ice making operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4958282A JPS58168865A (en) | 1982-03-26 | 1982-03-26 | Controller for thickness of ice of ice machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4958282A JPS58168865A (en) | 1982-03-26 | 1982-03-26 | Controller for thickness of ice of ice machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58168865A JPS58168865A (en) | 1983-10-05 |
| JPS646385B2 true JPS646385B2 (en) | 1989-02-03 |
Family
ID=12835208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4958282A Granted JPS58168865A (en) | 1982-03-26 | 1982-03-26 | Controller for thickness of ice of ice machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58168865A (en) |
-
1982
- 1982-03-26 JP JP4958282A patent/JPS58168865A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58168865A (en) | 1983-10-05 |
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