JPH0819734A - Temperature controlling apparatus in liquid supplying apparatus - Google Patents

Temperature controlling apparatus in liquid supplying apparatus

Info

Publication number
JPH0819734A
JPH0819734A JP6177679A JP17767994A JPH0819734A JP H0819734 A JPH0819734 A JP H0819734A JP 6177679 A JP6177679 A JP 6177679A JP 17767994 A JP17767994 A JP 17767994A JP H0819734 A JPH0819734 A JP H0819734A
Authority
JP
Japan
Prior art keywords
liquid
tank
temperature
electric heater
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.)
Pending
Application number
JP6177679A
Other languages
Japanese (ja)
Inventor
Shiro Nakamoto
史郎 中本
Yasuaki Matsui
康明 松井
Arata Koroyasu
新 頃安
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.)
Kyokuto Sanki Co Ltd
Original Assignee
Kyokuto Sanki Co Ltd
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 Kyokuto Sanki Co Ltd filed Critical Kyokuto Sanki Co Ltd
Priority to JP6177679A priority Critical patent/JPH0819734A/en
Publication of JPH0819734A publication Critical patent/JPH0819734A/en
Pending legal-status Critical Current

Links

Landscapes

  • Seasonings (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Control Of Temperature (AREA)

Abstract

PURPOSE:To provide a temperature controlling apparatus for an electric heater by which boilding down of a liquid is prevented independently of the quantity of the liquid remaining in a temperature keeping tank. CONSTITUTION:A liquid supplying apparatus is composed of a temperature keeping tank to store a liquid, an electric heater 3 to keep the temperature of the liquid stored in the temperature keeping tank, a means to detect the level of the liquid surface of the liquid stored in the temperature keeping tank, and a temperature controlling apparatus 20 to control the quantity of the heat generation per unit time of the heater 3 based on the detected level of the liquid surface. The means to detect the level of the liquid surface measures the time necessary to discharge a prescribed quantity of the liquid by natural flow from the tank through a valve and can detects the level of the liquid surface based on the measured necessary time.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】この発明は、料理飲食店や食堂に
おける業務用の使用に適した、麺類のだし汁、スープ、
コーヒーなどの暖かい液体を食器に一定量づつ供給する
液体の定量供給装置における保温ヒータの温度制御装置
に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to noodle soup stock, soup, suitable for commercial use in restaurants and restaurants.
The present invention relates to a temperature control device for a warming heater in a constant liquid supply device that supplies a constant amount of warm liquid such as coffee to tableware.

【0002】[0002]

【従来の技術】料理飲食店や食堂において使用される麺
類のだし汁などの液体の定量供給装置としては、保温タ
ンクに予め所定の濃度に調製しただし汁を保温しながら
貯溜し、保温タンクの排出口より食器に注入している。
2. Description of the Related Art As a constant quantity supply device for liquids such as noodle soup stock used in restaurants, restaurants and restaurants, it is prepared in a heat-retaining tank to a predetermined concentration in advance, but the juice is stored while it is kept warm and the outlet of the heat-retaining tank is used. More pouring into tableware.

【0003】例えば、本出願人が先に出願した特願平6
−46597号で提案し、図3に示すように、液体の定
量供給装置は、丼鉢やカップなどの食器5を出し入れす
る窓11を有する筺体10に、電気ヒータ3およびこの電気
ヒータ3を制御するサーモスタットなどの温度センサ4
を備えた液体を貯溜する保温タンク6と、この保温タン
ク6の出口に連結された電磁弁1と、食器5を乗せる載
置台8と、食器5とともに載置台8の重量を検知するロ
ード・セル2と、スタート・スイッチ7と、マイクロ・
コンピュータよりなる制御装置とを設けたものである。
For example, the Japanese Patent Application No. 6 filed by the applicant previously
No. 46597, as shown in FIG. 3, a liquid constant quantity supply device controls an electric heater 3 and this electric heater 3 in a casing 10 having a window 11 for putting in and taking out tableware 5 such as a bowl or a cup. Temperature sensor 4 such as thermostat
A heat-retaining tank 6 for storing a liquid, a solenoid valve 1 connected to the outlet of the heat-retaining tank 6, a table 8 on which tableware 5 is placed, and a load cell for detecting the weight of the table 8 together with the tableware 5. 2, start switch 7, micro
A control device including a computer is provided.

【0004】なお、液面検出用のフロート・スイッチ9
は、保温タンク6の空焚きを防止するためのもので、液
面が著しく低下した場合には、電気ヒータ3への通電を
強制的に遮断するように構成されている。
A float switch 9 for detecting the liquid level
Is for preventing the heating tank 6 from being dry-heated, and is configured to forcibly cut off the energization of the electric heater 3 when the liquid level is significantly lowered.

【0005】[0005]

【発明が解決しようとする課題】このような液体供給装
置においては、電気ヒータ3によって保温タンク6に貯
溜している液体を90°〜95°に保温しなければならな
い。そのために、電気ヒータ3としては、貯溜可能な最
大容積の液体を保温し得る発熱容量の電気ヒータが必要
である。
In such a liquid supply device, the liquid stored in the heat-retaining tank 6 must be kept at 90 ° to 95 ° by the electric heater 3. Therefore, as the electric heater 3, an electric heater having a heat generation capacity capable of retaining the maximum volume of liquid that can be stored is required.

【0006】したがって、保温タンク6内の液体の多少
に拘わらず、電気ヒータ6の発熱容量が一定であるか
ら、貯溜している液体が少なくなった場合には、電気ヒ
ータ6の発熱容量が大き過ぎて、温度センサ4の制御に
よる短時間の通電であっても、液体を煮詰まらせるとい
う問題があった。そこで、この発明の温度制御装置は、
このような煮詰まりの問題を解決するために考えられた
ものである。
Therefore, the heating capacity of the electric heater 6 is constant irrespective of the amount of the liquid in the heat retaining tank 6, so that when the amount of the stored liquid becomes small, the heating capacity of the electric heater 6 is large. Therefore, there is a problem that the liquid is boiled down even if the power is supplied for a short time under the control of the temperature sensor 4. Therefore, the temperature control device of the present invention is
It was conceived to solve the problem of such boil-up.

【0007】[0007]

【課題を解決するための手段】この発明の液体供給装置
における温度制御装置は、液体を貯溜するタンクと、こ
のタンクに貯溜されている液体を保温するヒータと、上
記タンクに貯溜されている液体の液面の高さを検出する
手段と、この検出された液面の高さに基づいて上記ヒー
タの単位時間当たりの発熱量を制御する制御手段とを具
備している。
A temperature control device in a liquid supply apparatus according to the present invention comprises a tank for storing a liquid, a heater for keeping the temperature of the liquid stored in the tank, and a liquid stored in the tank. And a control means for controlling the amount of heat generated by the heater per unit time based on the detected liquid level.

【0008】[0008]

【実施例】この発明の温度制御装置を適用する液体供給
装置としては、例えば、図3に示す先に提案した装置で
あってもよく、この液体供給装置には、だし汁などの液
体を貯溜する保温タンク6と、保温タンク6内の液体を
暖める電気ヒータ3と、液体の温度を検知する温度セン
サ4と、マイクロ・コンピュータよりなる制御装置とを
備えており、さらに、液面の高さを検知する液面検知装
置と、電気ヒータ3の単位時間当たりの発熱量を液面の
高さの応じて制御する温度制御装置を備えている。
DESCRIPTION OF THE PREFERRED EMBODIMENTS A liquid supply device to which the temperature control device of the present invention is applied may be, for example, the previously proposed device shown in FIG. 3, in which liquid such as soup stock is stored. A heat-retaining tank 6, an electric heater 3 for warming the liquid in the heat-retaining tank 6, a temperature sensor 4 for detecting the temperature of the liquid, and a control device composed of a microcomputer are further provided. A liquid level detection device for detecting and a temperature control device for controlling the heat generation amount of the electric heater 3 per unit time according to the height of the liquid level are provided.

【0009】液面の高さを検知する液面検知装置は、保
温タンク6の出口に連結された電磁弁1を開いている時
間に基づいて液面の高さを間接的に測定するものであ
る。
The liquid level detecting device for detecting the liquid level indirectly measures the liquid level based on the time during which the solenoid valve 1 connected to the outlet of the heat retaining tank 6 is opened. is there.

【0010】ロード・セル2の載置台8に丼鉢などの食
器5を載せて、スタート・スイッチ7を押圧すると、電
磁弁1を開いて、保温タンク6よりだし汁を載置台8に
載せた食器5に注入を開始し、ロード・セル2で検出さ
れる食器5の重量が所定の重量に到達すると電磁弁1を
閉じる。
When the tableware 5 such as a bowl is placed on the table 8 of the load cell 2 and the start switch 7 is pressed, the electromagnetic valve 1 is opened, and the tableware on which the soup stock is placed on the table 8 is opened. 5 is started, and when the weight of the tableware 5 detected by the load cell 2 reaches a predetermined weight, the solenoid valve 1 is closed.

【0011】このとき、電磁弁1を開いていた通電時間
をタイマーによって計測すると、この通電時間は、液面
の高さに応じて変化する。すなわち、液面の高さに比例
して電磁弁1に加わる圧力が相違するので、電磁弁1を
経て一定量の液体を供給する際、液面の高さが高い場合
には所要時間が短く、液面の高さが低い場合には所要時
間が長くなる。
At this time, when a timer measures the energization time during which the solenoid valve 1 is open, this energization time changes depending on the height of the liquid surface. That is, since the pressure applied to the solenoid valve 1 differs in proportion to the height of the liquid surface, when supplying a certain amount of liquid through the solenoid valve 1, the required time is short when the height of the liquid surface is high. If the height of the liquid surface is low, the required time becomes long.

【0012】一定量の液体を供給する所要時間と保温タ
ンクの液面の高さとの関係を示すテーブルを制御装置の
メモリに格納しておくことにより、所要時間より液面の
高さを検知して、液面の高さに対応した信号を出力する
ことができる。
By storing in the memory of the control device a table showing the relationship between the time required to supply a fixed amount of liquid and the liquid level of the heat retaining tank, the liquid level height can be detected from the required time. Thus, a signal corresponding to the height of the liquid surface can be output.

【0013】温度センサ4は、サーモスッタトのような
機械的に動作するセンサや、サーミスタのような抵抗の
変化に基づいて電子的に動作するセンサなどを使用する
ことができる。
The temperature sensor 4 may be a sensor that operates mechanically such as a thermostat or a sensor that operates electronically based on a change in resistance such as a thermistor.

【0014】電気ヒータ3を制御する温度制御装置20
は、図1に示すように、温度センサ4と直列に接続され
ており、電気ヒータ3に通電中、電気ヒータ3の平均電
流をアナログ的に調整するものであって、例えば、図2
(a)に示すように、デューティ制御を行なう場合に
は、1周期(A)中の通電時間(B)の割合(B/A)
を制御し、また、図2(b)に示すように、交流電圧波
形に同期してターン・オンする位相を変化させる場合に
は、サイリスタを利用した位相制御回路によって制御す
ることができる。
A temperature control device 20 for controlling the electric heater 3
Is connected in series with the temperature sensor 4 as shown in FIG. 1, and adjusts the average current of the electric heater 3 in an analog manner while the electric heater 3 is energized.
As shown in (a), when duty control is performed, the ratio of the energization time (B) in one cycle (A) (B / A)
Further, as shown in FIG. 2B, when the phase to be turned on is changed in synchronization with the AC voltage waveform, it can be controlled by a phase control circuit using a thyristor.

【0015】この温度制御装置20には、液面検知装置か
ら出力される液面の高さに対応した信号Cが印加され、
この信号Cによって電気ヒータ3の平均電流を調整し、
単位時間当たりの発熱量を液面の高さに適した大きさに
制御させる。
A signal C corresponding to the height of the liquid level output from the liquid level detection device is applied to the temperature control device 20,
The average current of the electric heater 3 is adjusted by this signal C,
The amount of heat generated per unit time is controlled to a size suitable for the height of the liquid surface.

【0016】(他の実施例)以上で説明した各実施例に
おいては、高い場所に設置した保温タンクより食器や容
器に注入する液体の注入量の調整に電磁弁を使用してい
るが、保温タンクを低い場所に設置して、ポンプで汲み
上げて食器に注入するように構成し、ポンプを制御して
注入量を調整してもよいのである。
(Other Embodiments) In each of the embodiments described above, the solenoid valve is used to adjust the injection amount of the liquid to be injected into the tableware or container from the heat insulation tank installed at a high place. The tank may be installed at a low place, configured so that it can be pumped up and poured into the dishes, and the pump can be controlled to adjust the filling amount.

【0017】液面を検知する液面検知装置としては、連
続的に検知可能で液面の高さに比例した信号を出力する
ものが望ましいが、長さの異なる多くの電極を垂下させ
て各電極の導通状態に基づいて液面の高さを段階的に検
知する装置や、異なる高さでフロートによって作動させ
られる複数のスイッチを備えたフロート・スイッチなど
の各種の液面検知手段を使用することができる。
As the liquid level detecting device for detecting the liquid level, it is desirable that it can continuously detect and output a signal proportional to the height of the liquid level. Uses various liquid level detection means such as a device that detects the liquid level step by step based on the conduction state of the electrodes, or a float switch that has multiple switches that are activated by the float at different heights. be able to.

【0018】[0018]

【発明の効果】以上の実施例に基づく説明から明らかな
ように、この発明の液体供給装置における温度制御装置
によると、保温タンクに残存する液体の量に対応して電
気ヒータの平均電流を変化させ、電気ヒータの単位時間
当たりの発熱量を制御させるので、液体を煮詰まらせる
ことはない。
As is clear from the description based on the above embodiments, according to the temperature control device in the liquid supply device of the present invention, the average current of the electric heater is changed in accordance with the amount of the liquid remaining in the heat retaining tank. Since the amount of heat generated by the electric heater per unit time is controlled, the liquid is not boiled down.

【図面の簡単な説明】[Brief description of drawings]

【図1】この発明の液体供給装置における温度制御装置
の一例を示すブロック図、
FIG. 1 is a block diagram showing an example of a temperature control device in a liquid supply device of the present invention,

【図2】図1に示す装置によって制御されたヒータの通
電電流の波形図、
FIG. 2 is a waveform diagram of a current flowing through a heater controlled by the device shown in FIG.

【図3】従来の液体の定量供給装置の一例の構成を示す
断面図である。
FIG. 3 is a cross-sectional view showing a configuration of an example of a conventional liquid quantitative supply device.

【符号の説明】[Explanation of symbols]

1 電磁弁 2 ロード・セル 3 電気ヒータ 4 温度センサ 5 食器 6 保温タンク 7 スタート・スイッチ 8 載置台 9 フロート・スイッチ 10 筺体 11 窓 20 温度制御装置 1 Solenoid Valve 2 Load Cell 3 Electric Heater 4 Temperature Sensor 5 Tableware 6 Insulation Tank 7 Start Switch 8 Mounting Table 9 Float Switch 10 Housing 11 Window 20 Temperature Control Device

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 液体を貯溜するタンクと、該タンクに貯
溜されている液体を保温するヒータと、上記タンクに貯
溜されている液体の液面の高さを検出する手段と、該検
出された液面の高さに基づいて上記ヒータの単位時間当
たりの発熱量を制御する制御手段とを具備することを特
徴とする液体供給装置における温度制御装置。
1. A tank for storing a liquid, a heater for retaining the temperature of the liquid stored in the tank, a means for detecting the height of the liquid surface of the liquid stored in the tank, and the detected means. A temperature control device in a liquid supply device, comprising: a control unit that controls the amount of heat generated by the heater per unit time based on the height of the liquid surface.
【請求項2】 タンクより弁を介して自然流下により一
定量の液体を排出する所要時間を測定する手段を備え、
該所要時間に基づいて液面の高さを検出することを特徴
とする請求項1に記載の液体供給装置における温度制御
装置。
2. A means for measuring a time required for discharging a constant amount of liquid from a tank by gravity flow through a valve,
The temperature control device in the liquid supply device according to claim 1, wherein the height of the liquid surface is detected based on the required time.
JP6177679A 1994-07-07 1994-07-07 Temperature controlling apparatus in liquid supplying apparatus Pending JPH0819734A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6177679A JPH0819734A (en) 1994-07-07 1994-07-07 Temperature controlling apparatus in liquid supplying apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6177679A JPH0819734A (en) 1994-07-07 1994-07-07 Temperature controlling apparatus in liquid supplying apparatus

Publications (1)

Publication Number Publication Date
JPH0819734A true JPH0819734A (en) 1996-01-23

Family

ID=16035215

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6177679A Pending JPH0819734A (en) 1994-07-07 1994-07-07 Temperature controlling apparatus in liquid supplying apparatus

Country Status (1)

Country Link
JP (1) JPH0819734A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11879679B2 (en) * 2018-10-02 2024-01-23 Lg Electronics Inc. Refrigerator and control method therefor
US12013168B2 (en) * 2018-10-02 2024-06-18 Lg Electronics Inc. Refrigerator and method for controlling same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11879679B2 (en) * 2018-10-02 2024-01-23 Lg Electronics Inc. Refrigerator and control method therefor
US12013168B2 (en) * 2018-10-02 2024-06-18 Lg Electronics Inc. Refrigerator and method for controlling same

Similar Documents

Publication Publication Date Title
CA1209667A (en) Beverage brewing apparatus with constant temperature water reservoir
JP2976464B2 (en) Coffee equipment
US10342381B2 (en) Energy saving coffee machine
US20220167783A1 (en) Automatic Tea Brewing Device
WO2004006739A1 (en) Temperature control system
JPH0853198A (en) Apparatus for supplying liquid
JPH0819734A (en) Temperature controlling apparatus in liquid supplying apparatus
JP3168984B2 (en) Electric hot water storage container
JP3635731B2 (en) Coffee dispenser
JP2734976B2 (en) Electric hot water storage container
JP2673578B2 (en) Electric water heater
JP3506123B2 (en) Electric hot water storage container
JPH08294451A (en) Electrical pot
JP3794677B2 (en) Electric pot
JPH0534607Y2 (en)
JP2004267385A (en) Manual water supply type temperature retainer
JP3578099B2 (en) Electric water heater
JPH09154733A (en) Jar pot
JP2003125931A (en) Electric hot-water pot
KR20060023051A (en) Automatic heating timer in gravimetriy
JP3052287U (en) Electric water heater
JP2003325352A (en) Electric water heater
JPH05123252A (en) Electric pot
JP2005131138A (en) Warming apparatus
JPH0531020A (en) Electric rice boiler