JPH02198521A - Electric hot water pot - Google Patents
Electric hot water potInfo
- Publication number
- JPH02198521A JPH02198521A JP1790989A JP1790989A JPH02198521A JP H02198521 A JPH02198521 A JP H02198521A JP 1790989 A JP1790989 A JP 1790989A JP 1790989 A JP1790989 A JP 1790989A JP H02198521 A JPH02198521 A JP H02198521A
- Authority
- JP
- Japan
- Prior art keywords
- water
- temperature
- heater
- heat
- pot
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 238000009835 boiling Methods 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims description 10
- 238000010792 warming Methods 0.000 abstract description 6
- 230000007423 decrease Effects 0.000 abstract description 2
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 abstract 2
- 230000020169 heat generation Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 241001122767 Theaceae Species 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、容器内に収容された水を沸かして保温する電
気ジャーポットに関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an electric jar pot for boiling and keeping water contained in a container warm.
従来の技術
従来の電気ジャーポットは一湯沸かしヒータで容器内の
水を沸かした後は、温度検知手段が所定温度に達するま
では保温ヒータをオフし、そして所定温度に達し比後は
、保温ヒータをオン、オフして容器内の水の温度を一定
に保っていた。Conventional technology A conventional electric jar pot boils the water in the container with a heater, then turns off the heat retaining heater until the temperature detection means reaches a predetermined temperature, and then turns off the heat retaining heater after reaching the predetermined temperature. was turned on and off to maintain a constant temperature of the water in the container.
発明が解決しようとする課題
しかしながら、このような従来の構成では、沸すた後、
温度検知手段が所定温度に達するまでは保温ヒータがオ
フしたままであるため、容器内の水の上部に対して下部
が早く冷えて、上下の温度差が発生することになり、そ
の結果、出湯量が多い場合、出湯の最初と最後で湯温に
差が生じることがあった。また、沸騰検知を温度検知手
段の検知した温度の勾配の変化で検知している場合には
。Problems to be Solved by the Invention However, in such a conventional configuration, after boiling,
Since the insulating heater remains off until the temperature detection means reaches a predetermined temperature, the lower part of the water in the container cools down faster than the upper part, creating a temperature difference between the top and bottom, resulting in When the amount of hot water was large, there was a difference in the temperature of the water at the beginning and end of the bath. In addition, when boiling is detected by a change in the temperature gradient detected by the temperature detection means.
容器内の水温に上下差があるときに再沸騰をさせようと
すると、下部の水温が上部の水温と同じになるまでは湯
沸かしヒータは下部の水のみを加熱するため、温度検知
手段の温度上昇が速（−そして同じになった後は湯沸か
しヒータは容器内の水金体を加熱するため、水量に相当
する温度上昇となるもので、このように温度勾配に屈曲
点ができるため、そこで誤って沸騰検知を行なうおそれ
があった。If you try to reboil when there is a difference in the water temperature in the container, the water heater will only heat the water in the lower part until the water temperature in the lower part becomes the same as the water temperature in the upper part, so the temperature of the temperature detection means will rise. After the water becomes the same (-), the water heater heats the water metal in the container, so the temperature rises by the amount of water.There is a bending point in the temperature gradient, so there is no need to make a mistake. There was a risk that boiling would be detected.
本発明はこのような問題点を解決した電気ジャーボッ）
ｔ−提供することを目的とするものである。The present invention is an electric jarbot that solves these problems.
t- intended to provide.
課題を解決するための手段
上記課題を解決するために１本発明の電気ジャーポット
は、湯沸かしヒータがオフしてから温度検知手段が検知
した温度が所定温度に達するまでの間、制御手段が保温
ヒータ通電手段に所定のデユーティのオン、オフ信号を
出力するように構成したものである。Means for Solving the Problems In order to solve the above-mentioned problems, the electric tea pot of the present invention has a control means that keeps the water warm from the time when the water heater is turned off until the temperature detected by the temperature detection means reaches a predetermined temperature. It is configured to output a predetermined duty on/off signal to the heater current supply means.
作用
本発明の電気ジャーポットは、上記した構成としている
ため、湯沸かしヒータがオフしてから温度検知手段が検
知した温度が所定温度に達するまでの間も一容器内の水
はわずかに加熱されており。Function: Since the electric tea pot of the present invention has the above-described structure, the water in one container is slightly heated even after the water heater is turned off until the temperature detected by the temperature detection means reaches a predetermined temperature. Ori.
したがって容器内の水温の上下差はほとんど発生しない
ため一出湯した湯温にむらが発生するという問題、また
は、再沸騰させようとした場合に沸騰する前に沸騰検知
を行なう問題を解消することができるものである。Therefore, since there is almost no difference in the temperature of the water inside the container, it is possible to solve the problem of unevenness in the temperature of the water once poured, or the problem of detecting boiling before it boils when trying to boil it again. It is possible.
実施例
以下、本発明の一実施例を第１図および第２図にもとづ
いて説明する。図において、水を収容する容器１は外底
部に一容器１内の水を沸かす湯沸かしヒータ２と、容器
１内の水を所定の温度に保温する保温ヒータ３を設けて
いる。前記湯沸かしヒータ２の通電制御を行なう湯沸か
しヒータ通電手段４はリレー接点４１Ｌとリレーコイル
４ｂにより構成されている。また保温ヒータ３の通電制
御を行なう保温ヒータ通電手段６は双方向性サイリスタ
により構成されている。前記容器１内の水温を検知する
温度検知手段６はサーミスタ６ａと温度測定部により構
成されている。制御手段７は前記温度検知手段６の出力
信号を入力とし、前記湯沸かしヒータ通電手段４または
保温ヒータ通電手段６にオン、オフ信号を出力するもの
である。８は商用電源である。EXAMPLE Hereinafter, an example of the present invention will be explained based on FIGS. 1 and 2. In the figure, a container 1 containing water is provided at its outer bottom with a water heater 2 for boiling the water in the container 1 and a heat-retaining heater 3 for keeping the water in the container 1 at a predetermined temperature. The water boiling heater energizing means 4 for controlling the energization of the water boiling heater 2 is constituted by a relay contact 41L and a relay coil 4b. Further, the heat-retaining heater energizing means 6 for controlling the energization of the heat-retaining heater 3 is constituted by a bidirectional thyristor. The temperature detection means 6 for detecting the water temperature in the container 1 is composed of a thermistor 6a and a temperature measuring section. The control means 7 inputs the output signal of the temperature detecting means 6 and outputs an on/off signal to the water boiling heater energizing means 4 or the warming heater energizing means 6. 8 is a commercial power supply.
上記実施例の構成において、次にその動作を説明する。Next, the operation of the configuration of the above embodiment will be explained.
まず、容器１内に水を入れ、商用電源８を印加すると、
制御手段Ｔはリレーコイル４ｂにオン信号を出力し−リ
レー接点４１Ｌ？閉じる。これにより、湯沸かしヒータ
２が発熱して容器１内の水を加熱する。そして水が沸騰
すれば一サーミスタ６ａの温度上昇が止まり、制御手段
７はサーミスタ６ａの温度上昇が低下したことによって
沸騰検知を行ない、そしてリレーコイル４ｂにオフ信号
を出力してリレー接点４ａを開き、湯沸かしヒータ２の
発熱を停止する。そして、サーミスタ６ａが所定温度（
ここでは９０℃とする）になるように双方向性サイリス
タ６をオン、オフ制御する。ここで−サーミスタ６１が
所定温度に低下するまでの間は一制御手段７は保温ヒー
タ通電手段６に所定のデユーティ（ここでは１０秒オン
、４分６０秒オフとする）のオン、オフ信号を出力する
ことにより、保温ヒータ３をわずかに発熱させる。これ
により、容器１の下部の水温の温度低下速度が上部の水
温の低下速度よりも速くなるのを防いで、上下の水温に
温度差が発生するのを防止している。First, when water is poured into the container 1 and the commercial power supply 8 is applied,
The control means T outputs an ON signal to the relay coil 4b - relay contact 41L? close. As a result, the water heater 2 generates heat and heats the water in the container 1. When the water boils, the temperature rise of one thermistor 6a stops, and the control means 7 detects boiling when the temperature rise of the thermistor 6a decreases, and outputs an off signal to the relay coil 4b to open the relay contact 4a. , the water heater 2 stops generating heat. Then, the thermistor 6a reaches a predetermined temperature (
The bidirectional thyristor 6 is controlled on and off so that the temperature is 90° C.). Here, until the temperature of the thermistor 61 drops to a predetermined temperature, the control means 7 sends an on/off signal to the heat-retaining heater energizing means 6 at a predetermined duty (here, 10 seconds on, 4 minutes 60 seconds off). By outputting the power, the heat retaining heater 3 is caused to generate a slight amount of heat. This prevents the temperature drop rate of the lower part of the container 1 from becoming faster than the drop rate of the water temperature of the upper part, and prevents a temperature difference from occurring between the upper and lower water temperatures.
発明の効果
上記実施例の説明から明らかなように本発明によれば、
湯が沸いた後の容器内の上下の水温の温度差がほとんど
発生しないため、出湯量が多くても一定に一定の温度の
湯を出すことができる。また、再沸騰時に容器の下部の
湯だけが加熱されることがないため２すなわち下部の湯
の温度が上部よりも高くなろうとすると対流により攪拌
されて上下の温度差はほとんど発生しないため一沸騰検
知も確実に行なうことができるものである。Effects of the Invention As is clear from the description of the above embodiments, according to the present invention,
After the water is boiled, there is almost no difference in temperature between the top and bottom of the container, so even if the amount of hot water dispensed is large, hot water can be dispensed at a constant temperature. In addition, when reboiling, only the water at the bottom of the container is not heated, so if the temperature of the bottom water becomes higher than the top, it will be stirred by convection and there will be almost no temperature difference between the top and bottom, so it will boil once. Detection can also be performed reliably.
【図面の簡単な説明】
第１図は本発明の一実施例を示す電気ジャーポットの一
部破断側面図、第２図は同電気ジャーポットの回路図で
ある。
１・・・・・・容器、２・・・・・・湯沸かしヒータ、
３・！・・・・保温ヒータ、４・・・・・・湯沸かしヒ
ータ通電手段、６・・・・・・保温ヒータ通電手段、６
・・・・・・温度検知手段、Ｔ・・・・・・制御手段。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a partially cutaway side view of an electric jar pot showing an embodiment of the present invention, and FIG. 2 is a circuit diagram of the same electric jar pot. 1... Container, 2... Water heater,
3.! ... Warming heater, 4... Water boiling heater energizing means, 6... Warming heater energizing means, 6
...Temperature detection means, T...Control means.
Claims (1)
ヒータと、沸騰した湯を保温する保温ヒータと、前記湯
沸かしヒータの通電制御を行なう湯沸かしヒータ通電手
段と、前記保温ヒータの通電制御を行なう保温ヒータ通
電手段と、前記湯沸かしヒータ通電手段または保温ヒー
タ通電手段にオン、オフ信号を出力する制御手段と、前
記容器内の水温を検知する温度検知手段とを備え、前記
湯沸かしヒータがオフしてから温度検知手段が検知した
温度が所定温度に達するまでの間、制御手段が保温ヒー
タ通電手段に所定のデューティのオン、オフ信号を出力
するように構成した電気ジャーポット。A container for storing water, a water heater for boiling the water in the container, a heat retaining heater for keeping the boiled water warm, a water boiling heater energizing means for controlling energization of the water boiling heater, and a water boiling heater energizing means for controlling energization of the water boiling heater. a temperature-retaining heater energizing means; a control means for outputting an on/off signal to the water boiling heater energizing means or the heat-retaining heater energizing means; and a temperature detecting means for detecting the water temperature in the container; The electric jar pot is configured such that the control means outputs an on/off signal of a predetermined duty to the heat-retaining heater energizing means until the temperature detected by the temperature detection means reaches a predetermined temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1017909A JP2699513B2 (en) | 1989-01-27 | 1989-01-27 | Electric jar pot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1017909A JP2699513B2 (en) | 1989-01-27 | 1989-01-27 | Electric jar pot |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02198521A true JPH02198521A (en) | 1990-08-07 |
| JP2699513B2 JP2699513B2 (en) | 1998-01-19 |
Family
ID=11956879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1017909A Expired - Lifetime JP2699513B2 (en) | 1989-01-27 | 1989-01-27 | Electric jar pot |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2699513B2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS627954U (en) * | 1985-06-27 | 1987-01-17 | ||
| JPS6226037A (en) * | 1985-07-27 | 1987-02-04 | 株式会社日立ホームテック | Electric pot |
| JPS6337133U (en) * | 1986-08-26 | 1988-03-10 |
-
1989
- 1989-01-27 JP JP1017909A patent/JP2699513B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS627954U (en) * | 1985-06-27 | 1987-01-17 | ||
| JPS6226037A (en) * | 1985-07-27 | 1987-02-04 | 株式会社日立ホームテック | Electric pot |
| JPS6337133U (en) * | 1986-08-26 | 1988-03-10 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2699513B2 (en) | 1998-01-19 |
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