JPH0559558B2 - - Google Patents
Info
- Publication number
- JPH0559558B2 JPH0559558B2 JP61283168A JP28316886A JPH0559558B2 JP H0559558 B2 JPH0559558 B2 JP H0559558B2 JP 61283168 A JP61283168 A JP 61283168A JP 28316886 A JP28316886 A JP 28316886A JP H0559558 B2 JPH0559558 B2 JP H0559558B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- heater
- cooking surface
- setting
- heating
- 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 - Fee Related
Links
Landscapes
- Control Of Resistance Heating (AREA)
- Electric Stoves And Ranges (AREA)
- Baking, Grill, Roasting (AREA)
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、電気ホツトプレートでは、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つているもの
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
なつ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 have been sold that allow you to select between heating the entire cooking surface or heating a part (for example, half) of the cooking surface, and these are very useful. It is being It is configured with two heaters: a first heater that heats the entire cooking surface and a second heater that heats a part of the cooking surface. For example, the power consumption of the second heater is not half that of the first heater even if it heats half the surface, and sufficient heating cannot be achieved unless the heater consumes considerably more power than half.
（発明が解決しようとする問題点）
上記構成の電気ホツトプレートでは、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ユート
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つ
た。(Problems 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 heating rate per unit area of the cooking surface of the second heater is The power consumption is considerably higher than that of the first 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 causes the cooking surface temperature to rise too much and interfere with cooking. In some cases, there were also problems such as a shortened lifespan 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ユートが少なく、温度の上が
り過ぎによる調理面への支障や、調理面の表面処
理の寿命の劣化が妨げる電気調理器を提供するこ
とである。 It is an object of the present invention to provide an electric cooker that eliminates the conventional drawbacks, has less overshoot in the temperature of the cooking surface, prevents damage to the cooking surface due to excessive temperature rise, and prevents deterioration of the life of the surface treatment of the cooking surface. The goal is to provide the following.
（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
イツチが押された後は、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, energize the first heater that heats 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
ーバーシユートが小さくなり、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 first heater heats the cooking surface to a temperature lower than the temperature set by the user by a predetermined value, and then the cooking surface is switched to the second heater and heated, so that heating starts. The second
The overshoot in the temperature of the cooking surface is smaller than when heated with a heater, and it is possible to prevent problems with cooking and deterioration of the life of the surface treatment of the cooking surface due to excessive temperature rise.
（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ツク図であ
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の出力を入力し比較
する。６はスタートスイツチで、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
タートスイツチ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節全面
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
シユ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。 FIG. 1 is a block diagram of an electric cooker according to 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 inputs and compares the outputs of the temperature detecting means 1 and the setting converting means 3. 6 is a start switch, and when this is pressed, heating of the cooking surface starts. 7 is a heater selection means, which allows the user to select the first heater selection means for heating the entire cooking surface;
Select which heater 8 or the second heater 9 for heating a part of the cooking surface is to be energized. 10 is a load energizing means, and a heater selection means 7
When the second heater 9 is selected, when the start switch 6 is pressed, the output of the second comparison means 5 is input, and the temperature of the cooking surface is adjusted to the temperature set by the setting conversion means 3. The first heater 8 is energized until the temperature is reached, and then the output of the first comparison means 4 is input, the second heater 9 is turned off, and the temperature of the cooking surface is set by the temperature setting means 2. Adjust the temperature to maintain the desired temperature. In other words, the entire surface of the control 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 surface temperature rises can be reduced. Note that when the first heater 8 is selected by the heater selection means 7, the output of the first comparison means 4 is used as an input, and the temperature of the cooking surface is adjusted by turning on and off the first heater 8.
第２図は本発明の電気調理器の回路図である。
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つて
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＋
入力に接続されている。オペアンプ２１の−入力
には２連の可変抵抗器２３と抵抗器２４との分圧
が、オペアンプ２２の−入力には可変抵抗器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
コンピユータ（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−入力の電圧がオペアンプ２２の
−入力の電圧より高く設定されているわけであ
る。）
ヒータ選択スイツチ２７は抵抗器２８と、また
通電開始スイツチ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３
１，３２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、OFFし、ヒータ８，９に通停電させる。 FIG. 2 is a circuit diagram of the electric cooker of the present invention.
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. In addition, the resistor 14,
A diode 15 and a capacitor 16 are also connected in series, 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 the + of the operational amplifiers 21 and 22.
connected to the input. The negative input of the operational amplifier 21 is connected to a voltage divided by two variable resistors 23 and 24, and the negative input of the operational amplifier 22 is connected to the variable resistor 23.
and the partial voltage of resistor 25 are connected. 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. . (If the thermistor 19 is an NTC, the voltage at the negative input of the operational amplifier 21 is set higher than the voltage at the negative input of the operational amplifier 22.) The heater selection switch 27 is connected to the resistor 28, and the energization start switch 29 is connected to The resistors 30 are connected to each other, and input to the microcomputer 26. The microcomputer 26 controls the transistor 3 according to these inputs.
1, 32, relay coils 12b, 13b
Turn on and off the relay contacts 12a and 13a.
Turn ON and OFF, and turn heaters 8 and 9 on and off.
本発明では、ヒータ選択スイツチ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）になつていて、通電開始スイ
ツチ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ON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、通電開始スイツチ２９
は一度押されると２回目以降は押されても受け付
けないようになつている。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がリセツトされ（図示
せず）、再度商用電源が与えられると通電開始ス
イツチ２９が受け付けられるようになる。 In the present invention, the heater selection switch 27 is set to the second heater 9 side that heats a part of the cooking surface (for example,
side as shown in the figure), and when the energization start switch 29 is turned on, the microcomputer 26 first drives the transistor 31, causes current to flow through the relay coil 12b, turns on the relay contact 12a, and turns on the first
The 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 stops energizing the first heater 8;
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, the energization start switch 29
Once pressed, it will not be accepted even if pressed a second time or later. When the user unplugs the outlet after use and the commercial power supply 11 and DC power supply are exhausted, the microcomputer 26 is reset (not shown), and when the commercial power supply is supplied again, the energization start switch 29 can be activated.
（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
り設定値だけ低い温度まで調理面全面を加熱する
第１のヒータが通電され、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ユートが小さくなり、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を防ぐことがで
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, the second
Even if a heater is selected and used, the first heater that heats the entire cooking surface to a temperature lower than the set temperature by the set value is energized, and then the second heater is energized to adjust the temperature. The overshoot when the temperature rises is reduced, and the problems caused by the conventional cooking surface temperature becoming too high and the deterioration of the surface treatment of the cooking surface can be prevented, and the practical effect is extremely large. be.
第１図は本発明の一実施例による電気調理器の
ブロツク図、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……スタートスイツチ、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、１
２ｂ，１３ｂ……リレーコイル、１４，１７，２
０，２４，２５，２８，３０……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、２
３……可変抵抗器、２６……マイコン、２７……
ヒータ選択スイツチ、２９……通電開始スイツ
チ、３１，３２……トランジスタ。
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 energizing means, 11...
...Commercial power supply, 12a, 13a...Relay contact, 1
2b, 13b...Relay coil, 14, 17, 2
0, 24, 25, 28, 30...Resistor, 15,
18...Diode, 16...Capacitor, 19
... Thermistor, 21, 22 ... Operational amplifier, 2
3...Variable resistor, 26...Microcomputer, 27...
Heater selection switch, 29... energization start switch, 31, 32... transistor.
Claims (1)
と、前記調理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
スイツチと、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
ツ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。1. 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, and a user A temperature setting means for setting the temperature of the cooking surface to a desired temperature, a setting conversion means for setting the temperature to a predetermined value lower than the desired temperature, and outputs of the temperature detection means and the temperature setting means are compared. a first comparing means for outputting an output; a second comparing means for comparing and outputting the outputs of the temperature detecting means and the setting converting means;
a heater selection means for selecting which of the heaters to be energized; a start switch for starting heating the cooking surface; and when the second heater is selected by the heater selection means, the start switch is pressed. After that, the output of the second comparison means is input, the first heater is energized to the temperature set by the setting conversion means, and then the second An electric cooking device characterized in that it is equipped with a load energizing means for controlling the temperature of the cooking surface by turning on and off the heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61283168A JPS63138682A (en) | 1986-11-29 | 1986-11-29 | Electric cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61283168A JPS63138682A (en) | 1986-11-29 | 1986-11-29 | Electric cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63138682A JPS63138682A (en) | 1988-06-10 |
| JPH0559558B2 true JPH0559558B2 (en) | 1993-08-31 |
Family
ID=17662060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61283168A Granted JPS63138682A (en) | 1986-11-29 | 1986-11-29 | Electric cooker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63138682A (en) |
Families Citing this family (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 JP61283168A patent/JPS63138682A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63138682A (en) | 1988-06-10 |
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