JPS63138682A - Electric cooker - Google Patents
Electric cookerInfo
- Publication number
- JPS63138682A JPS63138682A JP28316886A JP28316886A JPS63138682A JP S63138682 A JPS63138682 A JP S63138682A JP 28316886 A JP28316886 A JP 28316886A JP 28316886 A JP28316886 A JP 28316886A JP S63138682 A JPS63138682 A JP S63138682A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- heater
- cooking surface
- setting
- comparing
- 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
- 238000010411 cooking Methods 0.000 claims description 45
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000004381 surface treatment Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Landscapes
- Control Of Resistance Heating (AREA)
- Electric Stoves And Ranges (AREA)
- Baking, Grill, Roasting (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】
（産業上の利用分野）
本発明は、一般家庭において使用する電気調理器に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an electric cooker used in general households.
（従来の技術）
近年、電気ホットプレートでは、調理面全面を加熱する
か調理面の一部（たとえば半面）を加熱するか選択して
使用できるようになっているものが販売され、大変重宝
がられている。調理面全面を加熱する第１のヒータと、
調理面の一部を加熱する第２のヒータの２本のヒータを
備えた構成となっているわけであるが、調理面の一部を
加熱する第２のヒータの消費電力は、たとえば、半面を
加熱するとしても、第１のヒータの半分ですむわけでな
く、半分よりかなり大きな消費電力を有するヒータでな
いと十分加熱ができない。(Prior art) In recent years, electric hot plates that can be used to select whether to heat the entire cooking surface or a portion (for example, half) of the cooking surface have been sold, and these are very useful. It is being a first heater that heats the entire cooking surface;
The configuration includes two heaters, the second heater heating a part of the cooking surface, but the power consumption of the second heater heating a part of the cooking surface is, for example, half the power consumption of the second heater. Even if the first heater is to be heated, it will not be necessary to use half the power of the first heater, and sufficient heating will not be possible unless the heater consumes significantly more power than the first half.
（発明が解決しようとする問題点）
上記構成の電気ホットプレートでは、調理面の一部（た
とえば半面）の加熱を選択して加熱をスタートすると、
第２のヒータの調理面の単位面積当りの消費電力が第１
のヒータのそれに比べてかなり大きく、加熱後初めてヒ
ータへの通電が停止する迄の間は、いわゆる温度のオー
バーシュートのため、調理面の温度が上がり過ぎ、調理
に支障がある場合があると共に、調理面の表面処理（弗
素コート）の寿命が短くなる等の不具合点があった。(Problem to be Solved by the Invention) In the electric hot plate having the above configuration, when heating is started by selecting a part (for example, half) of the cooking surface,
The power consumption per unit area of the cooking surface of the second heater is
It is considerably larger than that of the heater, and until the electricity is turned off to the heater for the first time after heating, there is a so-called temperature overshoot, which can cause the temperature of the cooking surface to rise too much, which may impede cooking. There were problems such as a shortened service life of the surface treatment (fluorine coating) on the cooking surface.
本発明の目的は、従来の欠点を解消し、調理面の温度の
オーバーシュートが少なく、＠度の上がり過ぎによる調
理への支障や、調理面の表面処理の寿命の劣化が防げる
電気調理器を提供することである。The purpose of the present invention is to provide an electric cooker that eliminates the conventional drawbacks, has less overshoot in the temperature of the cooking surface, prevents problems with cooking due to excessive temperature rise, and prevents deterioration of the life of the surface treatment of the cooking surface. It is to provide.
（問題点を解決するための手段）
上記問題点を解決するため、本発明の電気調理器は、使
用者が設定した温度より所定値だけ低い温度に設定する
設定変換手段と、この設定変換手段と調理面の温度を検
知し出力する温度検知手段との出力を比較する第２の比
較手段を設け、調理面の一部を加熱する第２のヒータが
選択使用される場合には、調理面の加熱を開始するスタ
ートスイッチが押された後は、前記第２の比較手段の出
力を見ながら前記設定変換手段で設定された温度までは
調理面全面を加熱する第１のヒータを通電し、その後は
前記第２のヒータに通停電し、調理面を使用者の所望の
温度に調節する負荷通電手段を備えた構成としたもので
ある。(Means for Solving the Problems) In order to solve the above problems, the electric cooker of the present invention includes a setting conversion means for setting a temperature lower than the temperature set by the user by a predetermined value, and a setting conversion means for setting the temperature to a temperature lower than the temperature set by the user. A second comparison means is provided for comparing the outputs of the temperature detection means and the temperature detection means for detecting and outputting the temperature of the cooking surface, and when the second heater that heats a part of the cooking surface is selectively used, After a start switch is pressed to start heating, the first heater is energized to heat the entire cooking surface up to the temperature set by the setting conversion means while monitoring the output of the second comparison means; Thereafter, the second heater is provided with a load energizing means for controlling the temperature of the cooking surface to the user's desired temperature.
（作 用）
上記構成によれば、使用者が設定した温度より所定値だ
け低い温度まで第１のヒータで調理面が加熱されたのち
、第２のヒータに切り換えられて加熱されるため、加熱
開始時から引き続いて第２のヒータで加熱された場合よ
り調理面の温度のオーバーシュートが小さくなり、温度
の上がり過ぎによる調理への支障や調理面の表面処理の
寿命の劣化が防止できる。(Function) According to the above configuration, the cooking surface is heated by the first heater to a temperature lower by a predetermined value than the temperature set by the user, and then switched to the second heater and heated. The overshoot of the temperature of the cooking surface is smaller than when heating is continued by the second heater from the start, and it is possible to prevent problems with cooking due to excessive temperature rise and deterioration of the life of the surface treatment of the cooking surface.
（実施例）
本発明の一実施例を第１図および第２図に基づいて説明
する。(Example) An example of the present invention will be described based on FIGS. 1 and 2.
第１図は本発明の電気調理器のブロック図である。同図
において、１は調理面の温度を検知し出力する温度検知
手段である。２は使用者が調理面の温度を所望の温度に
設定する温度設定手段であり、この温度より所定値だけ
低い温度に設定するのが設定変換手段３である。４は第
１の比較手段で、温度検知手段１と温度設定手段２の出
力を入力し比較出力する。５は第２の比較手段で、温度
検知手段１と設定変換手段３の出力番人力し比較する。FIG. 1 is a block diagram of the electric cooker of the present invention. In the figure, reference numeral 1 denotes a temperature detection means for detecting and outputting the temperature of the cooking surface. Reference numeral 2 denotes a temperature setting means by which the user sets the temperature of the cooking surface to a desired temperature, and setting conversion means 3 sets the temperature to a predetermined value lower than this temperature. Reference numeral 4 denotes a first comparing means, which inputs the outputs of the temperature detecting means 1 and the temperature setting means 2 and compares and outputs them. Reference numeral 5 denotes a second comparing means, which monitors and compares the outputs of the temperature detecting means 1 and the setting converting means 3.
６はスタートスイッチで、これが押されると調理面の加
熱が開始される。７はヒータ選択手段で、使用者が調理
面全面を加熱するための第１のヒータ８か、または調理
面の一部を加熱するための第２のヒータ９のいずれを通
電したいか選択する。１０は負荷通電手段で、ヒータ選
択手段７で第２のヒータ９が選択されている場合には、
スタートスイッチ６が押されると、第２の比較手段５の
出力を入力とし、設定変換手段３で設定された温度に調
理面の温度が到達するまでは第１のヒータ８に通電し、
そののちは第１の比較手段４の出力を入力とし、第２の
ヒータ９を通停電し、調理面の温度を温度設定手段２で
設定された温度に保つよう温度調節をする。すなわち、
使用者が設定した温度より所定値だけ低い温度まで調理
面全面を加熱し、そののち一部を加熱するわけで、これ
により加熱開始時より調理面の一部だけを加熱し続ける
より、調理面の温度の立上り時のオーバーシュートが小
さくできるわけである。なお、ヒータ選択手段７で第１
のヒータ８が選択されている場合は、すべて第１の比較
手段４の出力を入力とし、第１のヒータ８の通停電で調
理面の温度調節を行なう。6 is a start switch, and when this is pressed, heating of the cooking surface is started. Reference numeral 7 denotes a heater selection means by which the user selects which of the first heater 8 for heating the entire cooking surface or the second heater 9 for heating a part of the cooking surface is to be energized. 10 is a load energizing means, and when the second heater 9 is selected by the heater selection means 7,
When the start switch 6 is pressed, the output of the second comparison means 5 is input, and the first heater 8 is energized until the temperature of the cooking surface reaches the temperature set by the setting conversion means 3.
Thereafter, the output of the first comparing means 4 is used as an input, and the second heater 9 is turned off and the temperature is adjusted so as to maintain the temperature of the cooking surface at the temperature set by the temperature setting means 2. That is,
The entire surface of the cooking surface is heated to a temperature that is a predetermined value lower than the temperature set by the user, and then a portion of the cooking surface is heated. This means that the overshoot when the temperature rises can be reduced. Note that the heater selection means 7 selects the first
When the heater 8 is selected, the output of the first comparison means 4 is inputted, and the temperature of the cooking surface is adjusted by turning the first heater 8 on and off.
第２図は本発明の電気調理器の回路図である。FIG. 2 is a circuit diagram of the electric cooker of the present invention.
同図において、１１は商用電源で、その両端にリレー接
点１２ａと第１のヒータ８の直列回路、およびリレー接
点１３ａと第２のヒータ９の直列回路が並列に接続され
ている。また、抵抗器１４．ダイオード１５．コンデン
サ１６も直列に接続され、コンデンサ１６の両端に抵抗
器１７と定電圧ダイオード１８が直列に接続され、定電
圧ダイオード１８の両端が後述の回路の直流電源となっ
ている。１９はサーミスタで調理器の調理面の温度を検
知する。サーミスタ１９に抵抗器２０が直列に接続され
、分圧点がオペアンプ２１．２２の十人力に接続されて
いる。オペアンプ２１の一人力には２連の可変抵抗器２
３と抵抗器２４との分圧が、オペアンプ２２の一人力に
は可変抵抗器２３と抵抗器２５の分圧が接続されている
。使用者は可変抵抗器２３により温度を設定し、その設
定温度がオペアンプ２１で、その設定温度より所定値低
い温度がオペアンプ２２で検出され、マイクロコンピュ
ータ（以下マイコンと略す）２６に入力されている。（
サーミスタ１９がＮＴＣの場合、オペアンプ２１の一人
力の電圧がオペアンプ２２の一人力の電圧より高く設定
されているわけである。）ヒータ選択スイッチ２７は抵
抗器２８と、また通電開始スイッチ２９は抵抗器３０と
それぞれ接続され、マイコン２６に入力されている。マ
イコン２６はこれらの入力に応じて、トランジスタ３１
．３２を駆動し、リレーコイル１２ｂ、１３ｂに通停電
させ、リレー接点１２ａ、１３ａをＯＮ、０ＦＦＬ、ヒ
ータ８，９に通停電させる。In the figure, 11 is a commercial power source, and a series circuit of a relay contact 12a and a first heater 8, and a series circuit of a relay contact 13a and a second heater 9 are connected in parallel to both ends of the commercial power source. Also, resistor 14. Diode 15. A capacitor 16 is also connected in series, and a resistor 17 and a constant voltage diode 18 are connected in series to both ends of the capacitor 16, and both ends of the constant voltage diode 18 serve as a DC power source for a circuit to be described later. A thermistor 19 detects the temperature of the cooking surface of the cooker. A resistor 20 is connected in series to the thermistor 19, and the voltage dividing point is connected to the power of operational amplifiers 21 and 22. Two variable resistors 2 are connected to the operational amplifier 21.
The voltage divider between the variable resistor 23 and the resistor 25 is connected to the output of the operational amplifier 22. The user sets the temperature using the variable resistor 23, and the set temperature is detected by the operational amplifier 21. A temperature lower than the set temperature by a predetermined value is detected by the operational amplifier 22, and is input to the microcomputer (hereinafter abbreviated as microcomputer) 26. . (
When the thermistor 19 is an NTC, the single-power voltage of the operational amplifier 21 is set higher than the single-power voltage of the operational amplifier 22. ) The heater selection switch 27 is connected to a resistor 28, and the energization start switch 29 is connected to a resistor 30, which are input to the microcomputer 26. The microcomputer 26 controls the transistor 31 according to these inputs.
．． 32, relay coils 12b and 13b are turned on and off, relay contacts 12a and 13a are turned on and off, and heaters 8 and 9 are turned on and off.
本発明では、ヒータ選択スイッチ２７が調理面の一部を
加熱する第２のヒータ９側（たとえば、図示した通りの
側）になっていて、通電開始スイッチ２９がＯＮされる
と、まずマイコン２６がトランジスタ３１を駆動し、リ
レーコイル１２ｂに電流を流し、リレー接点１２ａをＯ
Ｎさせ、第１のヒータ８に通電する。使用者が設定した
温度より所定値だけ低い温度まではマイコン２６はオペ
アンプ２２の出力を監視する。温度が上昇し、オペアン
プ２２の出力が反転すると、マイコン２６はトランジス
タ３１の駆動を止め、トランジスタ３２を駆動し、第１
のヒータ８の通電を停止し、第２のヒータ９の通電を開
始する。同時に今度は、オペアンプ２１の出力を監視す
る。以後は温度が上昇し、オペアンプ２１の出力が反転
すると、第２のヒータ９の通電を停止し、また温度が下
降してオペアンプ２１の出力が再度反転すると、第２の
ヒータ９に通電し、調理面の温度を調節する。なお、こ
のとき、通電開始スイッチ２９は一度押されると２回目
以降は押されても受は付けないようになっている。使用
者が使用後コンセントを抜き、商用電源１１がなくなり
、直流電源もなくなるとマイコン２６がリセットされ（
図示せず）、再度商用電源が与えられると通電開始スイ
ッチ２９が受は付けられるようになる。In the present invention, when the heater selection switch 27 is on the side of the second heater 9 that heats a part of the cooking surface (for example, the side as shown in the figure) and the energization start switch 29 is turned on, first the microcomputer 26 drives the transistor 31, causes current to flow through the relay coil 12b, and turns the relay contact 12a into an OFF state.
N, and the first heater 8 is energized. The microcomputer 26 monitors the output of the operational amplifier 22 until the temperature is lower by a predetermined value than the temperature set by the user. When the temperature rises and the output of the operational amplifier 22 is reversed, the microcomputer 26 stops driving the transistor 31, drives the transistor 32, and
The energization of the first heater 8 is stopped, and the energization of the second heater 9 is started. At the same time, the output of the operational amplifier 21 is monitored. Thereafter, when the temperature rises and the output of the operational amplifier 21 is reversed, the second heater 9 is de-energized, and when the temperature decreases and the output of the operational amplifier 21 is reversed again, the second heater 9 is energized, Adjust the temperature of the cooking surface. In addition, at this time, once the energization start switch 29 is pressed, it will not be turned on even if it is pressed a second time or later. When the user unplugs the outlet after use and the commercial power supply 11 and DC power supply disappear, the microcomputer 26 is reset (
(not shown), when commercial power is supplied again, the energization start switch 29 is turned on.
（発明の効果）
本発明によれば、調理面の一部を加熱する第２のヒータ
が選択使用された場合でも、設定温度より所定値だけ低
い温度まで調理面全面を加熱する第１のヒータが通゛亀
され、そののち第２のヒータの通電による温度調節に移
るため、調理面の温度の立上り時のオーバーシュートが
小さくなり、従来の調理面の温度が高くなり過ぎること
による不具合や、調理面の表面処理の劣化も防ぐことが
でき、その実用上の効果は極めて大である。(Effects of the Invention) According to the present invention, even when the second heater that heats a part of the cooking surface is selectively used, the first heater that heats the entire cooking surface to a temperature lower than the set temperature by a predetermined value is passed through, and then the temperature is adjusted by energizing the second heater, which reduces the overshoot when the temperature of the cooking surface rises, which eliminates the problem of conventional problems caused by the temperature of the cooking surface becoming too high. Deterioration of the surface treatment of the cooking surface can also be prevented, and its practical effects are extremely large.
第１図は本発明の一実施例による電気調理器のブロック
図、第２図は同回路図である。
１・・・温度検知手段、 ２・・・温度設定手段。
３・・・設定変換手段、 ４・・第１の比較手段。
５・・・第２の比較手段、 ６・・・スタートスイッチ
、 ７・・・ヒータ選択手段、 ８・・・第１のヒータ
、 ９・・・第２のヒータ、 １０・・負荷通電手段
、 １１・・・商用電源、 １２ａ。
１３ａ・・・リレー接点−１２ｂ、１３ｂ・・・リレー
コイル、 １４．１７．２０．２４．２５．２８．３０
・・・抵抗器、 １５．１８・・・ダイオード、１６・
・コンデンサ、１９・・・サーミスタ、 ２１．２２・
・・オペアンプ、２３・・・可変抵抗器、２６・・・マ
イコン、 ２７・・・ヒータ選択スイッチ、２９・・・
通電開始スイッチ、 ３１．３２・・・トランジスタ。
特許出願人 松下電器産業株式会社
−で ζ−゛
第 １ 図
第２図FIG. 1 is a block diagram of an electric cooking device according to an embodiment of the present invention, and FIG. 2 is a circuit diagram thereof. 1...Temperature detection means, 2...Temperature setting means. 3... Setting conversion means, 4... First comparison means. 5... Second comparison means, 6... Start switch, 7... Heater selection means, 8... First heater, 9... Second heater, 10... Load energization means, 11...Commercial power supply, 12a. 13a...Relay contact-12b, 13b...Relay coil, 14.17.20.24.25.28.30
...Resistor, 15.18...Diode, 16.
・Capacitor, 19...Thermistor, 21.22・
...Operational amplifier, 23...Variable resistor, 26...Microcomputer, 27...Heater selection switch, 29...
Energization start switch, 31.32...transistor. Patent applicant: Matsushita Electric Industrial Co., Ltd.
Claims (1)
面の一部を加熱するための第２のヒータと、前記調理面
の温度を検知する温度検知手段と、使用者が、前記調理
面の温度を所望の温度に設定するための温度設定手段と
、前記所望の温度より所定値だけ低い温度に設定する設
定変換手段と、前記温度検知手段と温度設定手段の出力
を比較して出力する第１の比較手段と、前記温度検知手
段と設定変換手段の出力を比較して出力する第２の比較
手段と、使用者が前記第１および第２のヒータのいずれ
に通電したいかを選択するヒータ選択手段と、調理面の
加熱を開始するスタートスイッチと、前記ヒータ選択手
段により第２のヒータが選択されている場合に、前記ス
タートスイッチが押されたのちは、前記第２の比較手段
の出力を入力とし、前記設定変換手段により設定された
温度まで、前記第１のヒータに通電し、そののちは、前
記第１の比較手段により前記第２のヒータに通停電し、
調理面の温度調節をする負荷通電手段とを備えたことを
特徴とする電気調理器。a first heater for heating the entire cooking surface, a second heater for heating a part of the cooking surface, a temperature detection means for detecting the temperature of the cooking surface; A temperature setting means for setting the temperature of the surface to a desired temperature, a setting conversion means for setting the temperature to a predetermined value lower than the desired temperature, and outputs by comparing the outputs of the temperature detection means and the temperature setting means. a first comparing means for comparing and outputting the outputs of the temperature detecting means and the setting converting means; a second comparing means for comparing and outputting the outputs of the temperature detecting means and the setting converting means; and a user selecting which of the first and second heaters he/she wishes to energize. a start switch that starts heating the cooking surface; and when a second heater is selected by the heater selection means, after the start switch is pressed, the second comparison means input the output, energizes the first heater up to the temperature set by the setting conversion means, and then turns off the power to the second heater by the first comparison means,
An electric cooker characterized by comprising a load energizing means for adjusting the temperature of a cooking surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28316886A JPS63138682A (en) | 1986-11-29 | 1986-11-29 | Electric cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28316886A JPS63138682A (en) | 1986-11-29 | 1986-11-29 | Electric cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63138682A true JPS63138682A (en) | 1988-06-10 |
| JPH0559558B2 JPH0559558B2 (en) | 1993-08-31 |
Family
ID=17662060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28316886A Granted JPS63138682A (en) | 1986-11-29 | 1986-11-29 | Electric cooker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63138682A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022239373A1 (en) * | 2021-05-10 | 2022-11-17 | 日本たばこ産業株式会社 | Power supply unit for aerosol generation device |
-
1986
- 1986-11-29 JP JP28316886A patent/JPS63138682A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022239373A1 (en) * | 2021-05-10 | 2022-11-17 | 日本たばこ産業株式会社 | Power supply unit for aerosol generation device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0559558B2 (en) | 1993-08-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |