JPS58168865A - Controller for thickness of ice of ice machine - Google Patents
Controller for thickness of ice of ice machineInfo
- Publication number
- JPS58168865A JPS58168865A JP4958282A JP4958282A JPS58168865A JP S58168865 A JPS58168865 A JP S58168865A JP 4958282 A JP4958282 A JP 4958282A JP 4958282 A JP4958282 A JP 4958282A JP S58168865 A JPS58168865 A JP S58168865A
- 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.)
- Granted
Links
Landscapes
- Production, Working, Storing, Or Distribution Of Ice (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
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廟くす
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、って生成
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 decreasing the ice thickness, it is raised to change the amount of ice-making water that should be circulated over the ice-making member, and the resulting ice thickness increases. is made variable.
られす、また機構的に複雑となり、故障もしやすい欠点
がある。It also has the disadvantage of being mechanically complex and 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
イッチ及び下限設定スイッチを持った水位検出装置を設
け、下限設定スイッチが作励して一定標準の氷厚を持つ
永を5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、もって氷厚調整
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
る製氷機の制御装置を提供するものである。In view of the above, 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 the lower limit setting switch is activated to generate ice having a constant standard ice thickness. After that, the desired ice thickness setting value and outside temperature are detected, the ice making time is set, and the ice making operation is continued for this set time to change the ice thickness, thereby making the ice thickness adjustment mechanically complicated. An object of the present invention is to provide a control device for an ice maker that can obtain any desired ice thickness.
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を具備り製氷部材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の下方に貯水室8及び脱水後
の板氷を受は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縮機1o及び凝縮器1
1を配置している512は凝縮器11の空冷用ファンで
ある。又13は前記貯水室8内の所定水量を検出する感
温部を持った貯水量検出装置で、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。An embodiment of the present invention will be described below based on the drawings. 1st
The figure 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. An ice-making member 5 equipped with an evaporator 4 is installed at an angle, and a water storage tank 6 for storing ice-making water and a circulating water pump device 7 are installed in this tank 6 to form a running water circulation type ice-making system. has been done. Below the ice-making member 5, there is provided a water storage chamber 8 and a heater device 9 for cutting ice cubes that cuts the dehydrated ice cubes into blocks of ice of a predetermined size. In addition, an evaporator 4 is installed in the machine room 3.
An electric compressor 1o and a condenser 1 that together form a refrigeration circuit
Reference numeral 512 in which 1 is disposed is an air cooling fan for the condenser 11. Reference numeral 13 denotes a water storage amount detection device having a temperature sensing portion for detecting a predetermined amount of water in the water storage chamber 8, and is provided to sense the contact temperature of the ice block and stop all ice making operations.
14は水源に接続された給水管路16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ッチ18と下限設定
スイッチ19で構成される水位検出装置26が配設され
ている。A water supply valve 14 electrically opens and closes a water supply pipe 16 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 drain 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6に生成した氷を脱水する際、蒸発器4
に電動圧縮機1oより流すホットガスを電気的に制御す
る電磁弁である。20 is an evaporator 4 when dehydrating the ice generated in the ice making member 6;
This is a solenoid valve that electrically controls the hot gas flowing from the electric compressor 1o.
第2図は上記製氷機の制御装置を示すブロック線図であ
る。21は製氷部材5上で生成される板状水の所望の氷
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、マイクロコンピュータ22の出力信号0
1を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2
4に入力されている。マイクロコンピュータ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 幣
ッチ17及び下限設定スイッチ18とで構成)、脱水終
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。一方マイクロコンビュータ22の出力で
各リレー2B、29,30゜31が動作される。すなわ
ちリレー28は循環水ボング装置7.電動圧縮機10.
空冷用ファン12を駆動し、リレー29は電磁弁2o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28.29,30゜
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 for the plate water produced on the ice making member 5. This output is the output signal 0 of the microcomputer 22 in order to detect the setting value.
1 to an analog value as well as the output of the digital/analog conversion (hereinafter referred to as D/A conversion) circuit 23, the comparison circuit 2
4 is entered. 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, an upper limit setting switch 17). and a lower limit setting switch 18), and a dehydration detection device 27 attached to the evaporator 4 to detect the end of dehydration.
There is an output of On the other hand, each relay 2B, 29, 30.degree. 31 is operated by the output of the microcomputer 22. That is, the relay 28 is connected to the circulating water bong device 7. Electric compressor10.
The air cooling fan 12 is driven, the relay 29 drives the solenoid valve 2o, the relay 30 drives the water supply valve 14, and the relay 31
is for driving the ice sheet cutting heater 9. Also 32
33, 34, and 35 are drive circuits corresponding to the respective relays 28, 29, 30, and 31.
そして上記マイクロコンピュータ22は周知の手段によ
っ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
よってボリウム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
際に外気温によっ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。従っテマイクロコンビー
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02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, and also uses a built-in timer device to adjust the ice thickness set value by the volume control 21 and the outside temperature sensing device 25. It is programmed to output a predetermined output depending on the detected value. In other words, in general, in the above-mentioned ice making machines, when producing ice of the same thickness, the ice making time varies depending on the outside temperature, and if the outside temperature is high, it may take longer to produce ice of the desired thickness. The ice making time required is long, and becomes shorter if the temperature is low. Therefore, the microconbeater 22 is programmed to vary the output time from the output signal 02 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図のフローチャートを
参照に説明する。Next, the operation of the above configuration will be explained with reference to the flowchart of FIG.
まず運転スイッチ(図示せず)の投入により、マイクロ
コンピュータ22の出力信号02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7アン12を動かし製氷が開始される。First, when the operation switch (not shown) is turned on, the output signal 02 of the microcomputer 22 is connected to the input terminal of the drive circuit 32, and the drive circuit 32 is operated to activate the relay 28 and the electric compressor 10. Ice making is started by operating the circulating water pump device 7 and the air cooling 7-amp 12.
つまり循環ポンプ装置7によって貯水タンク6内の製氷
水を製氷部材6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。That is, the ice-making water in the water storage tank 6 is circulated over the ice-making member 6 by the circulation pump device 7, and an ice layer is formed on the ice-making member 5.
一方所望の氷厚を持つ板状水を生成すべく、ボリウム2
1で氷厚を設定する。この設定値をマイクロコンピータ
22の出力信号01を■A変換回銘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
とで設定値を読みトリマイクロコンピュータ22の入力
信号D1とする。On the other hand, in order to generate plate-shaped water with the desired ice thickness, the volume
Set the ice thickness with 1. After converting this set value into an analog value by passing the output signal 01 of the microcomputer 22 through the A conversion circuit 23, the set value is read by comparing it with the set value in the comparator circuit 24, and the input signal D1 of the microcomputer 22 is read. 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26の出力はマイクロコンピ
ュータ220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
ロコンピュータ22の内部処理で決定するものである。Furthermore, an outside temperature sensing device 25 is provided to detect the outside temperature during ice making, and the output of this device 26 is inputted to the microcomputer 220 as an input signal D2. The ice-making time 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配置した下限設定スイッチ19
゛に到達し、下限設定スイッチ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
ュータ22に入力信号D3が入力される。この時、製氷
部材6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が入った後、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人力信号によりマイクロコンピュータ2
2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
時間まで製氷を続は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 is started and continues for a predetermined time, the water level 7 in the water storage tank 6 decreases, and the lower limit setting switch 19 is placed at a position where standard ice thickness is obtained.
The lower limit setting switch 19 senses this and becomes conductive, and the water level detection device 26 inputs the input signal D3 to the microcomputer 22. At this time, ice having a constant standard ice thickness is generated in the ice making member 6. After receiving the input signal D3 from the water level detection device 26, the ice thickness setting value input signal D1. The microcomputer 2 is activated by the input signal D2 from the outside temperature sensing device.
The timer device based on the internal processing in step 2 determines the ice-making end time.
After producing ice with a constant standard ice thickness, ice making can be continued until a predetermined ice making end time, thereby making it possible to obtain ice with a desired ice thickness.
決められた製氷終了時間経過後、マイクロコンピュータ
22の出力信号03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1oよ
りホットガスを流し、製氷部材6に生成した氷を脱水す
る。又、同時にマイクロコンピュータ22の出力信号0
4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3oを働かし給水弁14
を開き、貯水タンク6に給水管路15より給水され水位
17が上限設定スイッチ18まで上昇すると上限設定ス
イッチ18は導通状態となり、水位検出装置26よりマ
イクロコンピュータ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 03 of the microcomputer 22 is connected to the input terminal of the drive circuit 33, and the drive circuit 33 is activated to output the relay 29.
is operated to open the electromagnetic valve 20 and allow hot gas to flow from the electric compressor 1o into the evaporator 4, thereby dehydrating the ice formed in the ice making member 6. At the same time, the output signal of the microcomputer 22 is 0.
4 is connected to the input terminal of the drive circuit 34, which operates the drive circuit 34, activates the relay 3o, and closes the water supply valve 14.
When the water storage tank 6 is supplied with water from the water supply pipe 15 and the water level 17 rises to the upper limit setting switch 18, the upper limit setting switch 18 becomes conductive, and the input signal D3 is input from the water level detection device 26 to the microcomputer 22, ending the water supply. do.
次に蒸発器4に取9付けた脱水検知装置27の【
入力信号D4により脱水を検知するとマイクロコンピュ
ータ22の出力信号o、・5がドライブ回路35の入力
端子に接続されておりドライブ回路36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、
所望の氷厚を持った氷を得る。Next, when dehydration is detected by the input signal D4 of the dehydration detection device 27 attached to the evaporator 4, the output signals o and 5 of the microcomputer 22 are connected to the input terminal of the drive circuit 35, After activating the relay 31 to remove the ice, the ice sheet cutting heater 9 is energized in order to cut the sheet ice that has fallen onto the sheet ice cutting heater 9.
Obtain ice having the desired ice 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, ice-making operation is performed for a predetermined period of time, so there is no need to fine-tune the ice thickness adjustment plate each time the ice thickness is changed, making it possible to easily change the ice thickness and adapt to the outside temperature. This makes it possible to obtain ice with accurate ice thickness.
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ック線図、第
3図は同装置の動作を説明するフロチャートである。
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
ュータ(手段)、26・・・・・・外気温感知装置、2
6・・・・・・水位検出装置。
代理人の氏名弁理士 中 尾 敏 男 ほか1名第1図
第2図
13図
ト
ド
←FIG. 1 is a sectional view of an ice maker in an embodiment of the present invention;
FIG. 2 is a block diagram of the ice thickness control device of the ice maker, and FIG. 3 is a flowchart explaining the operation of the device. 5...Ice making component, 6...Water storage tank,
7... Circulation pump device, 21... Volume (ice thickness setting device) 22... Microcomputer (means), 26... Outside temperature sensing device, 2
6...Water level detection device. Name of agent: Patent attorney Toshio Nakao and one other person Figure 1 Figure 2 Figure 13 Steller ←
Claims (1)
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、吊
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って前
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
。It includes 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 a water level that detects the water level of the ice-making water in the water storage tank. It has a detection device, an outside temperature sensor that detects the outside temperature, a hanging device, and an ice thickness setting device that sets a desired ice thickness, and the water level detection device detects the water level based on 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 means for setting the time to continue ice making operation after 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 true JPS58168865A (en) | 1983-10-05 |
JPS646385B2 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 |
---|---|
JPS646385B2 (en) | 1989-02-03 |
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