【請求項１】 調理容器を加熱する燃焼装置と、燃焼装置への燃料ガスの供給路上に配置され燃焼装置に供給する燃料ガスの流量を調節する流量調節弁と、調理容器の温度を検出する温度センサと、温度センサによる検出温度に基づいて燃焼装置の発熱量を調節する制御回路とを備え、制御回路は、温度センサによる検出温度が調理用油の発火を防止するように設定した停止温度に達すると燃焼装置による加熱を停止させる強制停止手段と、停止温度に応じて停止温度よりも低く調理用油を加熱した調理ができる程度の比較的高温に設定した維持温度に達すると前記検出温度を維持温度付近に保つように燃焼装置の発熱量を制御する加熱量制御手段と、前記維持温度までの前記検出温度の上昇速度の増減を抑制する方向に燃焼装置の発熱量を調節する発熱量調節手段と、停止温度および維持温度を設定する温度設定手段とを具備し、温度設定手段は、停止温度の初期値として流量調節弁の故障時にも調理容器内の調理用油の発火を防止できる温度が設定されるとともに該停止温度の初期値に応じて維持温度の初期値が設定され、温度センサによる検出温度が維持温度の初期値に達した時点から所定時間が経過するまでに停止温度に達しない時には、停止温度および維持温度をそれぞれの規定の温度に変更することを特徴とする加熱調理器。
1. A combustion device that heats a cooking container, a flow control valve that is arranged on a fuel gas supply path to the combustion device and regulates the flow rate of the fuel gas supplied to the combustion device, and detects the temperature of the cooking container. It is equipped with a temperature sensor and a control circuit that adjusts the calorific value of the combustion device based on the temperature detected by the temperature sensor. The control circuit is a stop temperature set so that the temperature detected by the temperature sensor prevents ignition of cooking oil. When the temperature reaches the above-mentioned detection temperature, the forced stop means for stopping the heating by the combustion device and the maintenance temperature set to a relatively high temperature such that the cooking oil can be cooked by heating the cooking oil lower than the stop temperature according to the stop temperature. A heating amount controlling means for controlling the calorific value of the combustion device so as to keep the temperature near the maintenance temperature, and a calorific value for adjusting the calorific value of the combustion device in a direction of suppressing an increase / decrease in the rate of increase of the detected temperature up to the maintenance temperature. The temperature setting means is provided with the adjusting means and the temperature setting means for setting the stop temperature and the maintenance temperature, and the temperature setting means can prevent the cooking oil in the cooking container from igniting even when the flow control valve fails as the initial value of the stop temperature. As the temperature is set, the initial value of the maintenance temperature is set according to the initial value of the stop temperature, and the stop temperature is reached from the time when the temperature detected by the temperature sensor reaches the initial value of the maintenance temperature until a predetermined time elapses. A heating cooker characterized in that when the temperature is not reached, the stop temperature and the maintenance temperature are changed to the respective specified temperatures.
【００２２】
【課題を解決するための手段】
請求項１の発明は、調理容器を加熱する燃焼装置と、燃焼装置への燃料ガスの供給路上に配置され燃焼装置に供給する燃料ガスの流量を調節する流量調節弁と、調理容器の温度を検出する温度センサと、温度センサによる検出温度に基づいて燃焼装置の発熱量を調節する制御回路とを備え、制御回路は、温度センサによる検出温度が調理用油の発火を防止するように設定した停止温度に達すると燃焼装置による加熱を停止させる強制停止手段と、停止温度に応じて停止温度よりも低く調理用油を加熱した調理ができる程度の比較的高温に設定した維持温度に達すると前記検出温度を維持温度付近に保つように燃焼装置の発熱量を制御する加熱量制御手段と、前記維持温度までの前記検出温度の上昇速度の増減を抑制する方向に燃焼装置の発熱量を調節する発熱量調節手段と、停止温度および維持温度を設定する温度設定手段とを具備し、温度設定手段は、停止温度の初期値として流量調節弁の故障時にも調理容器内の調理用油の発火を防止できる温度が設定されるとともに該停止温度の初期値に応じて維持温度の初期値が設定され、温度センサによる検出温度が維持温度の初期値に達した時点から所定時間が経過するまでに停止温度に達しない時には、停止温度および維持温度をそれぞれの規定の温度に変更することを特徴とするものであり、検出温度が停止温度に近づくと停止温度よりも低い維持温度付近に保つように燃焼装置の発熱量を調節するから調理用油の発火を防止することができるとともに、停止温度に到達する頻度が少なくなり、調理途中で燃焼装置が不意に停止してしまう可能性を低減することができ、その結果、調理用油の発火を防止して安全性を高めながらも調理途中で燃焼装置が不意に停止したときに燃焼装置を再度動作させるという作業が不要になり調理時の使い勝手が向上し、しかも、発熱量調節手段を設けることによって維持温度に到達するまでの検出温度の上昇速度の増減を抑制するように燃焼装置の発熱量を調節しているから、検出温度の上昇速度が速すぎて維持温度を大きく越えて停止温度に達してしまうのを防止しながらも、所望温度に達するまでの時間が長くなりすぎることがないようにすることができ、さらに、温度設定手段を設けることによって、停止温度の初期値として流量調節弁の故障時にも調理容器内の調理用油の発火を防止できる温度が設定されるとともに該停止温度の初期値に応じて維持温度の初期値が設定され、温度センサによる検出温度が維持温度の初期値に達した時点から所定時間が経過するまでに停止温度に達しない時には、停止温度および維持温度をそれぞれの規定の温度に変更されるから、使い勝手を損なうことなしに流量調節弁の故障時における安全性を確保できる。
0022.
[Means for solving problems]
The invention of claim 1 is to control the temperature of a cooking container, a combustion device that heats the cooking container, a flow control valve that is arranged on a fuel gas supply path to the combustion device and regulates the flow rate of the fuel gas supplied to the combustion device. It is equipped with a temperature sensor to detect and a control circuit that adjusts the calorific value of the combustion device based on the temperature detected by the temperature sensor, and the control circuit is set so that the temperature detected by the temperature sensor prevents ignition of cooking oil. When the stop temperature is reached, the forced stop means for stopping the heating by the combustion device, and when the maintenance temperature is set to a relatively high temperature that is lower than the stop temperature and can be cooked by heating the cooking oil according to the stop temperature, the above-mentioned A heating amount control means for controlling the calorific value of the combustion device so as to keep the detected temperature near the maintenance temperature, and adjusting the calorific value of the combustion device in a direction of suppressing an increase / decrease in the rate of increase of the detected temperature up to the maintenance temperature. The calorific value adjusting means and the temperature setting means for setting the stop temperature and the maintenance temperature are provided, and the temperature setting means ignites the cooking oil in the cooking container even when the flow control valve fails as the initial value of the stop temperature. The preventable temperature is set, the initial value of the maintenance temperature is set according to the initial value of the stop temperature, and the temperature is stopped until a predetermined time elapses from the time when the temperature detected by the temperature sensor reaches the initial value of the maintenance temperature. When the temperature is not reached, the stop temperature and the maintenance temperature are changed to the respective specified temperatures, and when the detection temperature approaches the stop temperature, combustion is performed so as to keep the temperature near the maintenance temperature lower than the stop temperature. By adjusting the calorific value of the device, it is possible to prevent the cooking oil from igniting, reduce the frequency of reaching the stop temperature, and reduce the possibility that the combustion device will stop unexpectedly during cooking. As a result, while preventing the ignition of cooking oil and improving safety, the work of restarting the combustion device when the combustion device suddenly stops during cooking becomes unnecessary, and the usability during cooking is improved. Moreover, since the calorific value of the combustion apparatus is adjusted so as to suppress the increase / decrease of the detection temperature rise rate until the maintenance temperature is reached by providing the calorific value adjusting means, the detection temperature rise rate is fast. It is possible to prevent the stop temperature from being reached too much beyond the maintenance temperature, but not to take too long to reach the desired temperature, and further, provide a temperature setting means. As an initial value of the stop temperature, a temperature that can prevent the cooking oil in the cooking container from igniting even when the flow control valve fails is set and the stop temperature is set. The initial value of the maintenance temperature is set according to the initial value of, and when the stop temperature is not reached within a predetermined time from the time when the temperature detected by the temperature sensor reaches the initial value of the maintenance temperature, the stop temperature and the maintenance temperature are set. Since the temperature is changed to each specified temperature, safety can be ensured in the event of a failure of the flow control valve without impairing usability.
【００４３】
【発明の効果】
請求項１の発明は、調理容器を加熱する燃焼装置と、燃焼装置への燃料ガスの供給路上に配置され燃焼装置に供給する燃料ガスの流量を調節する流量調節弁と、調理容器の温度を検出する温度センサと、温度センサによる検出温度に基づいて燃焼装置の発熱量を調節する制御回路とを備え、制御回路は、温度センサによる検出温度が調理用油の発火を防止するように設定した停止温度に達すると燃焼装置による加熱を停止させる強制停止手段と、停止温度に応じて停止温度よりも低く調理用油を加熱した調理ができる程度の比較的高温に設定した維持温度に達すると前記検出温度を維持温度付近に保つように燃焼装置の発熱量を制御する加熱量制御手段と、前記維持温度までの前記検出温度の上昇速度の増減を抑制する方向に燃焼装置の発熱量を調節する発熱量調節手段と、停止温度および維持温度を設定する温度設定手段とを具備し、温度設定手段は、停止温度の初期値として流量調節弁の故障時にも調理容器内の調理用油の発火を防止できる温度が設定されるとともに該停止温度の初期値に応じて維持温度の初期値が設定され、温度センサによる検出温度が維持温度の初期値に達した時点から所定時間が経過するまでに停止温度に達しない時には、停止温度および維持温度をそれぞれの規定の温度に変更するものであり、検出温度が停止温度に近づくと停止温度よりも低い維持温度付近に保つように燃焼装置の発熱量を調節するから調理用油の発火を防止することができるとともに、停止温度に到達する頻度が少なくなり、調理途中で燃焼装置が不意に停止してしまう可能性を低減することができ、その結果、調理用油の発火を防止して安全性を高めながらも調理途中で燃焼装置が不意に停止したときに燃焼装置を再度動作させるという作業が不要になり調理時の使い勝手が向上し、しかも、発熱量調節手段を設けることによって維持温度に到達するまでの検出温度の上昇速度の増減を抑制するように燃焼装置の発熱量を調節しているから、検出温度の上昇速度が速すぎて維持温度を大きく越えて停止温度に達してしまうのを防止しながらも、所望温度に達するまでの時間が長くなりすぎることがないようにすることができ、さらに、温度設定手段を設けることによって、停止温度の初期値として流量調節弁の故障時にも調理容器内の調理用油の発火を防止できる温度が設定されるとともに該停止温度の初期値に応じて維持温度の初期値が設定され、温度センサによる検出温度が維持温度の初期値に達した時点から所定時間が経過するまでに停止温度に達しない時には、停止温度および維持温度をそれぞれの規定の温度に変更されるから、使い勝手を損なうことなしに流量調節弁の故障時における安全性を確保できるという効果がある。
[0043]
【Effect of the invention】
The invention of claim 1 is to control the temperature of a cooking container, a combustion device that heats the cooking container, a flow control valve that is arranged on a fuel gas supply path to the combustion device and regulates the flow rate of the fuel gas supplied to the combustion device. It is equipped with a temperature sensor to detect and a control circuit that adjusts the calorific value of the combustion device based on the temperature detected by the temperature sensor, and the control circuit is set so that the temperature detected by the temperature sensor prevents ignition of cooking oil. When the stop temperature is reached, the forced stop means for stopping the heating by the combustion device, and when the maintenance temperature is set to a relatively high temperature that is lower than the stop temperature and can be cooked by heating the cooking oil according to the stop temperature, the above-mentioned A heating amount control means for controlling the calorific value of the combustion device so as to keep the detected temperature near the maintenance temperature, and adjusting the calorific value of the combustion device in a direction of suppressing an increase / decrease in the rate of increase of the detected temperature up to the maintenance temperature. The calorific value adjusting means and the temperature setting means for setting the stop temperature and the maintenance temperature are provided, and the temperature setting means ignites the cooking oil in the cooking container even when the flow control valve fails as the initial value of the stop temperature. The preventable temperature is set, the initial value of the maintenance temperature is set according to the initial value of the stop temperature, and the temperature is stopped until a predetermined time elapses from the time when the temperature detected by the temperature sensor reaches the initial value of the maintenance temperature. When the temperature is not reached, the stop temperature and maintenance temperature are changed to the respective specified temperatures, and when the detection temperature approaches the stop temperature, the calorific value of the combustion device is kept near the maintenance temperature lower than the stop temperature. Since it is adjusted, it is possible to prevent the cooking oil from igniting, reduce the frequency of reaching the stop temperature, and reduce the possibility that the combustion device is unexpectedly stopped during cooking, and as a result, While preventing the ignition of cooking oil and improving safety, it eliminates the need to restart the combustion device when the combustion device suddenly stops during cooking, improving usability during cooking and generating heat. Since the calorific value of the combustion device is adjusted so as to suppress the increase / decrease in the rate of increase in the detection temperature until the temperature reaches the maintenance temperature by providing the amount adjusting means, the rate of increase in the detection temperature is too fast to control the maintenance temperature. It is possible to prevent the stop temperature from being reached far beyond, but to prevent the time required to reach the desired temperature from becoming too long. Furthermore, by providing a temperature setting means, the stop temperature can be adjusted. As an initial value, a temperature that can prevent the cooking oil in the cooking container from igniting even when the flow control valve fails is set, and according to the initial value of the stop temperature. When the initial value of the maintenance temperature is set and the stop temperature is not reached within a predetermined time from the time when the temperature detected by the temperature sensor reaches the initial value of the maintenance temperature, the stop temperature and the maintenance temperature are set to the respective specified temperatures. Since it is changed to, there is an effect that safety can be ensured in the event of a failure of the flow control valve without impairing usability.