JP7199975B2 - heating cooker - Google Patents

Description

The present invention relates to a heat cooker.

In a heating cooker such as a gas stove, it is detected whether or not a liquid in a cooking container heated by a heat source has reached a boiling state based on a detected value of the temperature of the cooking container. , the operation of the heat source is stopped, the heat output is reduced, or information is output to the user.

In addition, in this type of heating cooker, the timing of detecting the boiling state varies due to the size and material of the cooking container containing the liquid to be heated, the amount of the liquid, ingredients in the liquid, and the like. obtain. Moreover, the boiling timing recognized by the user from the state of the liquid in the cooking container varies depending on the user. Therefore, the user may feel that the timing of detecting the boiling state in the heating cooker is too late or too early.

Therefore, for example, Patent Literature 3 proposes a technique in which the user can delay or advance the timing of detecting the boiling state in the cooking device by performing a predetermined operation.

JP-A-10-9576 Japanese Unexamined Patent Application Publication No. 2014-31928 JP-A-2008-232560

In the technique seen in Patent Document 3, although the user can adjust the detection timing of the boiling state, in general, the user does not often make this adjustment. , or often do not remember. In this case, the user needs time and effort to check the instruction manual attached to the heating cooker or to inquire at the support center.

In addition, there are cases where the adjustment operation of the detection timing of the boiling state is complicated, or it is not clear how much the detection timing of the boiling state should be adjusted. becomes annoying.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a heating cooker that can reduce the user's burden of adjusting the detection timing of the boiling state and improve usability.

In order to achieve the above object, the heating cooker of the present invention heats a heat source and a cooking container filled with a liquid therein, and heats the liquid in the cooking container in a boiling state. a boiling detection unit for executing a boiling detection process for detecting whether or not there is boiling based on a predetermined criterion; A heating cooker comprising a boiling support processing unit that performs processing,
During execution of boiling detection processing by the boiling detection unit, the presence or absence of occurrence of a predetermined pre-detection event is monitored, and the timing of detecting the boiling state by the boiling detection unit is delayed based on the presence or absence of occurrence of the pre-detection event. A detection delay determination unit that determines whether or not the state is
A first basic configuration comprising: a detection delay handling processing unit that executes detection delay handling processing relating to a change in the judgment criteria in the boiling detection processing when the judgment result of the detection delay judging unit is affirmative. do.

Here, according to various investigations by the inventors of the present application, if the boiling state detection timing by the boiling detection unit is delayed, the user stops the operation of the heat source before the boiling state is detected by the boiling detection unit. There is a tendency for the delay in detecting the boiling state to cause specific events such as a decrease in the calorific value of the heat source, or the liquid in the cooking vessel to boil over.

Therefore, in the first basic configuration , the detection delay determination unit determines whether or not the boiling state detection timing by the boiling detection unit is in a delayed state based on whether or not the pre-detection event has occurred. . As a result, when the detection timing of the boiling state is delayed, it can be detected appropriately.

Then, the detection delay handling processing unit, when the determination result of the detection delay determination unit is affirmative, that is, when it is detected that the detection timing of the boiling state is in a delayed state, the Execute detection delay handling processing related to the change of the criterion.

In this case, since the cooking device executes the detection delay handling process, it is possible to reduce the user's trouble in reducing the delay state of the detection timing of the boiling state.

Therefore, according to the heating cooker of the present invention having the first basic configuration, the user's burden related to adjusting the detection timing so as to reduce the delay state of the detection timing of the boiling state is reduced, and the usability is improved. can be made

In the present invention having the first basic configuration, the boiling detection section may be configured to change the criterion in accordance with a predetermined operation of an operation section provided in the cooking device. In this case, the detection delay handling processing unit includes information indicating the determination result of the detection delay determination unit, and the operation unit for changing the determination criterion so as to reduce the delay state of the detection timing of the boiling state. and information indicating an operation method to the user.

According to this, it becomes easier for the user to operate the operation unit so as to reduce the delay state of the detection timing of the boiling state, and it is possible to appropriately improve the usability of the heating cooker.

Further, in the present invention having the above-described first basic configuration, the detection delay handling processing unit performs the process of automatically changing the determination criterion so as to reduce the delay state of the detection timing of the boiling state to the detection delay. It can be configured to run as a corresponding process.

According to this, the delay state of the detection timing of the boiling state is automatically reduced by the processing of the detection delay handling processing unit, so the burden on the user can be effectively reduced. It is also possible to selectively perform the processing of the detection delay handling processing unit in the second invention and the processing of the detection delay handling processing unit in the third invention.

In the present invention having the first basic configuration, the pre-detection event occurs when the detected value of the temperature of the cooking vessel rises to a predetermined temperature or higher during execution of the boiling detection process by the boiling detection unit. It is preferable to include at least an event in which the user performs an operation to stop the operation of the heat source or an operation to reduce the amount of heat generated by the heat source ( second invention).

Here, in a state where the detected value of the temperature of the cooking vessel rises to a predetermined temperature or higher during the execution of the boiling detection process by the boiling detection unit, an operation for stopping the operation of the heat source or reducing the calorific value of the heat source The occurrence of an event in which the user performs the operation for causing the boiling state to stop the operation of the heat source by the user recognizing the boiling state in a state where the boiling state has not yet been detected by the boiling detection unit. or an operation for reducing the heat generation amount of the heat source. Therefore, in the second invention, the detection delay determination unit monitors whether or not the event before detection occurs, with the event as the event before detection.

As a result, when the detection timing of the boiling state is delayed from the appropriate timing for the user, it can be appropriately detected as the delayed state.

Further, in the present invention having the first basic configuration, the heat source is a combustion type heat source that generates a combustion flame, and is provided with a thermocouple that outputs an electromotive force corresponding to the combustion flame. wherein the pre-detection event is that the electromotive force of the thermocouple rises to a predetermined value while the temperature detection value of the cooking vessel has risen to a predetermined temperature or higher during execution of the boiling detection process by the boiling detection unit; It is preferable to include at least an event of becoming lower than ( third invention).

Here, during the execution of the boiling detection process by the boiling detection unit, for example, in a state where the detected value of the temperature of the cooking vessel has risen to a predetermined temperature or higher, an operation for stopping the operation of the heat source, or the amount of heat generated by the heat source When an event occurs in which the user performs an operation to reduce (thermal power), the operation of the heat source is stopped, or the electromotive force of the heat source pair according to the decrease in the heat generation amount (thermal power) of the heat source becomes smaller. Further, during execution of the boiling detection process by the boiling detection unit, for example, when the detected temperature of the cooking container rises to a predetermined temperature or higher, the actual state of the liquid in the cooking container reaches a boiling state. In the event of a liquid spilling event, the electromotive force of the thermocouple is lowered due to the liquid being splashed on the thermocouple or the heat power near the thermocouple being weakened. There are many.

In a situation where an event such as the one described above occurs during execution of the boiling detection process by the boiling detection unit, it can be considered that the boiling state detection timing by the boiling detection unit is later than the appropriate timing. Therefore, in the third invention, the detection delay determination unit detects an event in which the electromotive force of the thermocouple becomes lower than a predetermined value in a state where the detected value of the temperature of the cooking vessel has risen to a predetermined temperature or higher. As a pre-detection event, the presence or absence of occurrence of the pre-detection event is monitored.

As a result, when the detection timing of the boiling state is delayed from the appropriate timing, it can be appropriately detected as a delayed state based on the electromotive force of the thermocouple.

In the present invention having the first basic configuration, after the boiling state is detected by the boiling detection unit, the presence or absence of occurrence of a predetermined post-detection event is monitored, and whether or not the predetermined post-detection event occurs is monitored. based on, an excessive detection judging unit for judging whether or not the timing of detecting the boiling state by the boiling detection unit is premature; It is preferable to provide an early detection handling processing unit that executes an early detection handling process related to changing the criterion in the boiling detection process ( reference invention ).

Here, according to various investigations by the inventors of the present application, when the timing of detecting the boiling state by the boiling detection unit is early, the user is likely to recognize that the boiling state of the liquid in the cooking container is insufficient. , the user restarts the operation of the heat source or increases the amount of heat generated by the heat source immediately after the boiling state is detected by the boiling detection unit. A characteristic event tends to occur due to early detection timing of the boiling state.

Therefore, in the reference invention , the premature detection determination unit determines whether or not the boiling state detection timing by the boiling detection unit is premature based on whether or not the post-detection event has occurred. As a result, when the detection timing of the boiling state is too early, it can be detected appropriately.

When the determination result of the early detection determining unit is affirmative, that is, when it is detected that the timing of detecting the boiling state is too early, the early detection processing unit performs the boiling detection. An early detection handling process is executed regarding the change in the criterion in the process.

In this case, since the premature detection handling process is executed in the heating cooker, it is possible to reduce the user's trouble in reducing the premature detection timing of the boiling state.

Therefore, according to the heating cooker of the reference invention , it is possible to reduce the user's burden of adjusting the detection timing so as to reduce the premature state of the detection timing of the boiling state, and improve usability.

In the reference invention described above, the boiling detection unit may be configured to change the determination criteria in accordance with a predetermined operation of an operation unit provided in the heating cooker. In this case, the premature detection response processing unit includes information indicating the determination result of the premature detection determination unit and the A process of notifying the user of at least one of information indicating an operation method of the operation unit may be executed as the process for dealing with excessive detection ( fourth invention).

According to this, it becomes easier for the user to operate the operation unit so as to reduce the premature detection timing of the boiling state, and it is possible to appropriately improve the usability of the heating cooker.

Further, in the reference invention , the processing unit for dealing with early detection executes, as the processing for dealing with early detection, a process for automatically changing the criterion so as to reduce the early state of detection timing of the boiling state. can be configured to

According to this, the premature state of the detection timing of the boiling state is automatically reduced by the processing of the premature detection response processing unit, so the burden on the user can be effectively reduced. It is also possible to selectively perform the processing of the premature detection response processing unit in the seventh invention and the processing of the premature detection response processing unit in the eighth invention.

In the above reference invention , when the boiling response process is a process of stopping the operation of the heat source or reducing the amount of heat generated by the heat source, the post-detection event is the detection of a boiling state by the boiling detection unit. After that, it is preferable to include at least an event in which the user performs an operation to restart the operation of the heat source or an operation to increase the amount of heat generated by the heat source within a predetermined period of time.

Here, in the case where the boiling countermeasure process is a process of stopping the operation of the heat source or reducing the amount of heat generated by the heat source, the operation of the heat source is started immediately after the boiling state is detected by the boiling detection unit. The occurrence of an event in which the user performs an operation to restart or an operation to increase the calorific value of the heat source means that the user recognizes that the boiling state of the liquid in the cooking container is insufficient. It can be considered that an operation to restart the operation of the heat source or an operation to increase the heat generation amount of the heat source has been performed. Therefore , the premature detection determination unit monitors whether or not the post-detection event occurs, with the event being the post-detection event.

Thereby, when the detection timing of the boiling state is earlier than the appropriate timing for the user, it can be appropriately detected as the premature state.

Further, in the reference invention , the heat source is a combustion-type heat source that generates a combustion flame, and is provided with a thermocouple that outputs an electromotive force corresponding to the combustion flame. , if the process is to stop the combustion operation of the heat source or reduce the thermal power of the heat source, the post-detection event is the thermoelectric power generation within a predetermined time after the boiling state is detected by the boiling detection unit. It is preferable to include at least an event in which the electromotive force of the pair becomes higher than a predetermined value ( fifth invention).

Here, in the case where the boiling countermeasure process is a process of stopping the operation of the heat source or reducing the amount of heat generated by the heat source, the operation of the heat source is started immediately after the boiling state is detected by the boiling detection unit. When an event occurs in which the user performs an operation to restart or an operation to increase the calorific value of the heat source, restart the operation of the heat source or increase the calorific value (thermal power) of the heat source The electromotive force of the heat source pair increases.

In a situation where an event such as the one described above occurs immediately after the boiling state is detected by the boiling detection unit, it can be considered that the boiling state detection timing by the boiling detection unit is earlier than the appropriate timing. Therefore, in the fifth aspect, the early detection determination unit detects an event in which the electromotive force of the thermocouple becomes higher than a predetermined value within a predetermined time after the boiling state is detected by the boiling detection unit. As an event, the presence or absence of occurrence of the pre-detection event is monitored.

Thereby, when the detection timing of the boiling state is earlier than the appropriate timing, it can be appropriately detected as an excessively early state based on the electromotive force of the thermocouple.

Further, in another aspect of the heating cooker of the present invention, in a state in which a heat source and a cooking container filled with liquid are heated by the heat source, whether or not the liquid in the cooking container is in a boiling state. a boiling detection unit for executing a boiling detection process for detecting whether the liquid in the cooking container is boiling based on a predetermined criterion; A heating cooker comprising a boiling-compatible processing unit that
After the boiling state is detected by the boiling detection unit, the presence or absence of occurrence of a predetermined post-detection event is monitored, and the boiling state detection timing by the boiling detection unit is adjusted based on the presence or absence of the occurrence of the predetermined post-detection event. a detection premature determination unit that determines whether or not the premature state is present;
A second early detection handling unit that executes an early detection handling process relating to a change in the judgment criteria in the boiling detection process when the judgment result of the early detection judging part is affirmative. Basic configuration .

According to this, the same effects as those of the reference invention can be obtained. In addition, in the present invention having the second basic configuration, the same aspects as those of the fourth and fifth inventions can be adopted.

Supplementally, as the boiling countermeasure processing in the present invention, instead of the processing of stopping the operation of the heat source or the processing of reducing the heat generation amount of the heat source, or in addition to these processing, the boiling detection unit may include processing for outputting notification information (for example, visual information or auditory information) indicating that the boiling state has been detected to the user.

BRIEF DESCRIPTION OF THE DRAWINGS The figure which shows the whole structure of the heating cooker of one Embodiment of this invention. 2 is a flowchart showing processing of the control device shown in FIG. 1; 2 is a flowchart showing processing of the control device shown in FIG. 1; 6 is a flowchart showing part of the processing of the control device in another embodiment; Each of FIGS. 5A and 5B is a flow chart showing part of the processing of the control device in yet another embodiment.

One embodiment of the invention is described below with reference to FIGS. Referring to FIG. 1, a heating cooker 1 of the present embodiment is, for example, a gas stove, and includes a burner 2 as a combustion type heat source, a fuel supply passage 3 for supplying fuel gas to the burner 2, and an ignition of the burner 2. and an igniter 7 for generating a spark discharge in the ignition electrode 7a for.

The fuel supply path 3 is provided with an on-off valve 5 that can be opened and closed, and a thermal power adjustment valve 6 for adjusting the amount of fuel supplied to the burner 2 (and thus adjusting the thermal power of the burner 2). there is The on-off valve 5 is composed of, for example, an electromagnetic valve, and the thermal control valve 6 is composed of, for example, a proportional valve or a motor-driven valve.

In the heating cooker 1 of the present embodiment having the above configuration, the igniter 7 is operated and the on-off valve 5 is controlled to open, so that spark discharge is generated in the ignition electrode 7a and fuel gas is supplied to the burner 2. be done. Thereby, the burner 2 is ignited and the combustion operation of the burner 2 is started. During the combustion operation of the burner 2, the amount of fuel supplied to the burner 2 is adjusted by controlling the heating power adjustment valve 6, and the heating power of the burner 2 is adjusted accordingly. Further, by controlling the opening/closing valve 5 to close, the fuel supply to the burner 2 is cut off and the burner 2 is extinguished.

In addition, although only one burner 2 is shown in FIG. 1, the heating cooker 1 may be provided with a plurality of burners each capable of performing a combustion operation.

The heat cooker 1 of the present embodiment further includes a display 11 that displays various visual information, a sound generator 12 that outputs auditory information such as an alarm sound and voice, and various information related to the operation of the heat cooker 1. , a thermocouple 14 as a flame detection sensor that detects the combustion flame of the burner 2, and the temperature of the object to be heated such as the cooking vessel C heated by the burner 2 can be detected. a temperature detector 15 and a control device 20 having a function of controlling the operation of the heating cooker 1 .

The display device 11 is configured by, for example, a liquid crystal display device, an LED display device, an organic EL display device, etc., and the sound generator 12 is configured by, for example, a speaker, buzzer, or the like. The thermocouple 14 is attached close to the burner 2 so as to output an electromotive force corresponding to the presence or absence of combustion flame of the burner 2 and the intensity thereof. The temperature detector 15 incorporates a temperature sensor such as a thermistor. It is installed at the center of the burner 2 so as to contact the bottom surface of the object to be heated and transfer heat from the object to be heated.

In this embodiment, the operation unit 13 includes a burner operation unit 13a for performing ignition operation, extinguishing operation, and thermal power adjustment operation of the burner 2, a water heater switch 13b for performing automatic water heating operation in the burner 2, and an automatic water heater. Boiling detection adjustment switches 13c1 and 13c2 are included for adjusting the timing of detecting the boiling state during operation.

The burner operation unit 13a is configured, for example, so that a push operation for igniting or extinguishing the burner 2 and a rotation operation for adjusting the heating power can be performed. However, for example, the operation unit for igniting or extinguishing the burner 2 and the operation unit for adjusting the thermal power may be separate operation units.

More specifically, the automatic water heating operation is performed by the control device 20 when the liquid such as water put into the cooking container C (kettle, pot, etc.) as the object to be heated by the burner 2 is in a boiling state. In response to this detection, the control device 20 automatically extinguishes the burner 2 (or automatically reduces the heating power of the burner 2 to a predetermined small heating power), and also indicates that the liquid has reached a boiling state. is displayed on the display 11 or output from the sound generator 12.

The water heating switch 13b is an operation switch for instructing the control device 20 to execute the automatic water heating operation, and the switch 13c1 of the boiling detection adjustment switches 13c1 and 13c2 adjusts the detection timing of the boiling state from the current detection timing. A switch 13c2 is an operation switch for delaying the detection timing of the boiling state from the current detection timing.

In addition to the burner operation unit 13a, the kettle switch 13b, and the boiling detection adjustment switches 13c1 and 13c2, the operation unit 13 may include various operation units such as an operation unit for automatic cooking operation. Further, the boiling detection adjustment switches 13c1 and 13c2 do not need to be dedicated switches for adjusting the detection timing of the boiling state, and switches that also serve other functions (for example, setting temperature or time for automatic cooking operation). may be

The control device 20 is composed of an electronic circuit unit including, for example, a microcomputer, a memory, an interface circuit, and the like. 14 and temperature detector 15) are input.

The control device 20 has a function of controlling the combustion operation of the burner 2, a function of controlling the combustion operation of the burner 2, a display of the indicator 11, and a and a function to control the operation of Furthermore, as shown in FIG. 1, the control device 20 includes a boiling detection section 21 for executing a boiling detection process for detecting whether or not the liquid in the cooking vessel C heated by the burner 2 is in a boiling state, and A state in which the detection timing of the boiling state by the detection unit 21 can be considered to be later than the appropriate timing (hereinafter referred to as a detection delay state) and a state in which it can be considered to be earlier than the appropriate timing (hereinafter referred to as an excessive detection state). and a detection delay/premature determination unit 22 that determines whether it is in either state, and when it is determined that the detection timing of the boiling state is a detection delay state or a detection premature state, the detection timing and a boiling response processing unit 24 that performs predetermined boiling response processing in response to detection of a boiling state by the boiling detection unit 21 .

In this embodiment, the boiling detection unit 21 sequentially acquires the temperature detection value of the cooking container C detected by the temperature detector 15 while the cooking container C is being heated by the burner 2, and detects the temperature detection value. It is determined whether the temperature of the liquid in the cooking vessel C is in a boiling state or not based on predetermined criteria regarding the variation.

For example, the boiling detection unit 21 detects the temperature of the cooking vessel C when the detected value of the temperature of the cooking vessel C exceeds a predetermined value, or when the measured value of the timer for measuring the time required for the temperature to rise exceeds the predetermined value. When the value is maintained substantially constant at a predetermined temperature or higher for a predetermined time or longer, it is determined that the temperature of the liquid in the cooking vessel C is in a boiling state. In addition, as a more specific method for detecting the boiling state by the boiling detection unit 21 using the detected value of the temperature of the cooking vessel C, for example, the method seen in Patent Document 1 or 3 can be adopted. .

The detection delay/early determination unit 22 detects a predetermined pre-detection event related to the combustion operation of the burner 2 during execution of the boiling detection process by the boiling detection unit 21 (during execution of the boiling detection process before the boiling state is detected). occurs, and based on the presence or absence of occurrence of the pre-detection event, it is determined whether the boiling state detection timing by the boiling detection unit 21 is in the detection delay state.

The pre-detection event is an event that can occur before the boiling state is detected due to the delay in detecting the boiling state. In the present embodiment, the pre-detection event includes, for example, an event in which the combustion operation of the burner 2 is stopped by the user's extinguishing operation in a state in which the detected temperature of the cooking container C has risen to a predetermined temperature or higher; An event is included in which the electromotive force output from the thermocouple 14 becomes a low level state lower than a predetermined value in a state where the detected temperature of the cooking vessel C rises to a predetermined temperature or higher.

Further, the detection delay/early determination unit 22 monitors whether or not a predetermined post-detection event related to the combustion operation of the burner 2 occurs after the boiling state is detected by the boiling detection unit 21, and the post-detection event occurs. Based on the presence/absence of the boiling state, it is determined whether or not the boiling state detection timing by the boiling detection unit 21 is in the premature detection state.

The post-detection event is an event that can occur after the boiling state is detected due to early detection timing of the boiling state. In this embodiment, the post-detection event is, for example, an event in which the user re-ignites the burner 2 within a predetermined period of time after the boiling state is detected.

In the present embodiment, when it is determined that the detection timing of the boiling state is in the detection delay state, the detection delay/premature handling processing unit 23 reduces the detection delay state (boiling state detection timing to the appropriate timing), automatically correct the parameters used in the judgment criteria for detecting the boiling state, or provide the user with an operation method for reducing the detection delay state Execute the notification process.

Further, when it is determined that the detection timing of the boiling state is in the premature detection state, the detection delay/premature handling processing unit 23, in the present embodiment, reduces the premature detection state (the In order to bring the detection timing closer to the appropriate timing), a process for automatically correcting the parameters used in the judgment criteria for detecting the boiling state is executed, or an operation method for reducing the prematurely detected state is implemented. Execute processing to notify the user.

In the present embodiment, the boiling response processing unit 24 automatically extinguishes the burner 2 by closing the on-off valve 5 in response to the detection of the boiling state by the boiling detection unit 21, and detects the boiling state. Displaying notification information to the effect that it has been done on the display 11 or outputting it from the sound generator 12 is executed as boiling-up correspondence processing.

Next, more specific control processing of the control device 20 of this embodiment will be described with reference to the flowcharts of FIGS. 2 and 3. FIG.

After the user starts the combustion operation of the burner 2 by the ignition operation of the burner operation unit 13a, the kettle switch 13b is turned on to boil the liquid in the cooking container C heated by the burner 2 by the automatic kettle operation. The device 20 executes the control process shown in the flow charts of FIGS. 2 and 3. FIG.

In STEP 1, the controller 20 starts water heating control. In this case, the control device 20 starts the process of the boiling detection unit 21 (boiling detection process). In the process of the boiling detection unit 21, the control device 20 sequentially acquires the temperature detection value of the cooking vessel C by the temperature detector 15, and determines whether the liquid in the cooking vessel C is in a boiling state as described above. to detect.

Next, in STEP 2 , the control device 20 determines whether or not a boiling state has been detected by the process of the boiling detection section 21 . If the determination result is negative, the control device 20 next performs the processing of the detection delay/early determination unit 22 for determining whether or not the detection timing of the boiling state is delayed. Execute the processing of STEP 3 to 6 as.

Specifically, in STEP 3 following STEP 2, the control device 20 determines whether or not the combustion operation of the burner 2 has stopped (in other words, whether or not the burner 2 has been extinguished by the closing control of the on-off valve 5). to judge. If the determination result in STEP 3 is affirmative, the control device 20 further proceeds to STEP 5 if the temperature of the cooking vessel C detected by the temperature detector 15 (current temperature detection value) is equal to or higher than a predetermined temperature. (for example, a temperature of 90° C. or higher).

If the determination result in STEP3 is negative, the control device 20 further determines in STEP4 whether or not the electromotive force output from the thermocouple 14 is in a low level state lower than a predetermined value. In this case, in this embodiment, when the electromotive force output from the thermocouple 14 is continuously lower than a predetermined value for a predetermined time or longer, the control device 20 determines that the electromotive force is in a low level state. to decide. Alternatively, for example, when the average value of the electromotive force output from the thermocouple 14 per predetermined time interval is lower than a predetermined value, the control device 20 determines that the electromotive force is in a low level state.

Then, if the determination result in STEP4 is negative, the control device 20 repeats the process from STEP2 until the determination result in STEP2 becomes affirmative. Moreover, when the determination result of STEP4 is affirmative, the control device 20 further executes the determination process of STEP5.

Here, before the boiling state of the liquid in the cooking container C is detected by the boiling detection unit 21 (before the determination result in STEP 2 becomes affirmative), the user detects the state of the liquid in the cooking container C, etc. , an event in which it is determined that the liquid has reached a desired boiling state, and thus the user extinguishes the burner 2 with the burner operation unit 13a (hereinafter referred to as a first pre-detection event); , an event (hereinafter referred to as a second pre-detection event) may occur in which an operation is performed to reduce the heating power of the burner 2 using the burner operation unit 13a.

Also, before the boiling state of the liquid in the cooking vessel C is detected by the boiling detection unit 21 (before the determination result in STEP 2 becomes affirmative), the actual state of the liquid in the cooking vessel C is in a boiling state. If it reaches the cooking vessel C, the liquid may boil over, and the liquid may splash on the thermocouple 14, or the combustion flame in the vicinity of the thermocouple 14 may weaken. An event (hereinafter referred to as a third pre-detection event) may occur in which the electromotive force output from is lowered to a low level state.

These first to third pre-detection events are events that can occur when the temperature of the liquid in the cooking vessel C has sufficiently increased. Therefore, in the first pre-detection event, in other words, before the boiling state is detected, the combustion operation of the burner 2 is started by the user while the temperature of the cooking vessel C has risen to a certain temperature or higher. It can be said that the event is stopped by the fire extinguishing operation. Therefore, when the first pre-detection event occurs, the determination results in STEP3 and STEP5 are positive. In a situation where the first pre-detection event occurs, it can be considered that the detection timing of the boiling state by the boiling detection unit 21 is in a detection delay state.

In other words, each of the second pre-detection event and the third pre-detection event is a state in which the detected temperature of the cooking vessel C rises to a certain temperature or higher before the boiling state is detected. , is an event in which the electromotive force output from the thermocouple 14 becomes a low level state due to the user's operation to reduce the heating power of the burner 2 or the liquid in the cooking vessel C blowing over. Therefore, when the second pre-detection event or the third pre-detection event occurs, the determination result in STEP3 becomes negative, and the determination results in STEP4 and STEP5 become positive. In a situation where the second pre-detection event or the third pre-detection event occurs, it can be considered that the detection timing of the boiling state by the boiling detection unit 21 is in a detection delay state.

Therefore, if the determination results in STEP3 and STEP5 become affirmative before the determination result in STEP2 becomes affirmative, or when the determination result in STEP3 becomes negative, the control device 20 performs STEP4 and STEP5. When the determination result is affirmative, in STEP6, it is determined that the timing of detection of the boiling state by the boiling detection unit 21 is in a detection delay state, and in STEP7, the boiling control is terminated.

In this STEP7, the control device 20 terminates the processing of the boiling detection section 21. FIG. Further, when the combustion operation of the burner 2 is being performed (when the determination results in STEP 4 and STEP 5 become affirmative due to the occurrence of the second pre-detection event or the third pre-detection event), the control device 20 The burner 2 is extinguished by closing the on-off valve 5 . In STEP 7, notification information indicating that the water heating control is to be terminated (or that the automatic water heating operation is to be terminated) may be displayed on the display 11 or output from the sound generator 12.

Supplementally, before the judgment result of STEP2 becomes affirmative, the judgment result of STEP3 and STEP5 becomes affirmative, or the judgment result of STEP3 becomes negative and the judgment result of STEP4 and STEP5 becomes affirmative. Recognizing that the control device 20 has become is equivalent to determining that the detection timing of the boiling state is in the detection delay state, so directly executing the processing of STEP6 can be omitted.

Next, the control device 20 executes the processing of STEP8 to STEP11 as the processing of the detection delay/premature handling processing section 23 for coping with the detection delay state. Specifically, in STEP8 following STEP7, the control device 20 determines whether or not the current number of detection delay occurrences stored in a memory (not shown) exceeds a predetermined number (for example, four times). The number of detection delay occurrences is the number of times it was determined that the detection timing of the boiling state was in the detection delay state when the water heating control was executed in the past before the current water heating control was executed. The default value is zero, and is reset (initialized) to zero in STEP 10, which will be described later, each time the predetermined number of times is exceeded.

If the determination result in STEP 8 is negative (when the number of detection delay occurrences≤predetermined number of times), in STEP 11, the controller 20 changes the value of the number of detection delay occurrences stored in the memory to "1". Update to the incremented value. Further, in STEP 12, the control device 20 executes a process of correcting the detection timing so as to reduce the detection delay state of the detection timing of the boiling state by the boiling detection unit 21, and ends the process of the flowchart of FIG.

In this case, in STEP 12, the control device 20 corrects the detection timing by correcting a parameter such as a threshold value (hereinafter referred to as a boiling detection parameter) used as a criterion for determining the detection timing of the boiling state. For example, the boiling detection unit 21 is configured to detect the boiling state when the measured value of a timer that measures the time required for the detected value of the temperature of the cooking vessel C to rise to a predetermined temperature exceeds a predetermined value. If so, the controller 20 updates the predetermined value (threshold value) to be compared with the measured value of the timer to a value that is smaller than the current value by a predetermined amount. As a result, the predetermined value as the parameter for boiling detection is automatically corrected so that the detection delay state of the detection timing of the boiling state is reduced (so that the detection timing of the boiling state is earlier than the current timing). be.

Further, for example, the boiling detection unit 21 is configured to detect the boiling state when the detected value of the temperature of the cooking container C is maintained substantially constant at a predetermined temperature or higher for a predetermined time or longer. If so, the control device 20 sets the predetermined time (threshold value) for the duration of the state in which the detected value of the temperature of the cooking vessel C is kept substantially constant at the predetermined temperature or higher to be smaller than the current value by a predetermined amount. value. As a result, the predetermined time as the boiling detection parameter is automatically corrected so that the detection delay state of the boiling state detection timing is reduced (so that the boiling state detection timing is earlier than the current timing). be.

The boiling detection parameter for correcting the detection timing of the boiling state can be appropriately selected according to the method of detecting the boiling state by the boiling detection unit 21 . Further, in STEP 12 , notification information indicating that the process for correcting the detection timing of the boiling state has been executed may be displayed on the display 11 or output from the sound generator 12 . In addition, only when the user is asked via the display 11 or the sound generator 12 whether it is possible to automatically correct the detection timing of the boiling state, and the user performs a predetermined operation to permit the correction, The process of STEP12 may be executed.

If the determination result in STEP 8 is affirmative (when the number of detection delay occurrences is greater than the predetermined number), the control device 20 changes the boiling state detection timing in STEP 9 so as to reduce the detection delay state. Notification information (guidance information) for making the user recognize the operation method for this is displayed on the display 11 or output from the sound generator 12 . Furthermore, the control device 20 resets (initializes) the detection delay occurrence count to zero in STEP 10 (provided that the user performs a required operation in response to the notification in STEP 9). The processing shown in the flow chart of is ended.

In STEP 9 above, the control device 20 displays notification information indicating that the switch 13c1 of the boiling detection adjustment switches 13c1 and 13c2 should be pressed while the combustion operation of the burner 2 is stopped. 11, or output from the sound generator 12. As a result, the user can reduce the detection delay state of the detection timing of the boiling state without checking the instruction manual of the heating cooker 1 or contacting the support center. can be easily recognized and executed.

When such an operation is performed by the user, the control device 20 corrects the boiling detection parameters as in STEP12. However, in this case, the correction amount of the boiling detection parameter according to the user's operation (operation of the boiling detection adjustment switch 13c1) is set to a correction amount larger than the correction amount in STEP12. As a result, even when the amount of deviation between the detection timing of the boiling state and the appropriate timing is relatively large, the corrected detection timing can easily approach the appropriate timing. It should be noted that when the user turns off the power of the heating cooker 1 without executing the above operation in response to the notification in STEP 9, or when a predetermined time has passed, or when the burner 2 is reignited is performed, the process of resetting the number of detection delay occurrences in STEP 10 is omitted.

In this embodiment, as described above, when the determination results of STEP3 and STEP5 become affirmative before the determination result of STEP2 becomes affirmative, or when the determination result of STEP3 becomes negative, STEP4 and If the determination result in STEP 5 is affirmative, it is determined that the detection timing of the boiling state is in the detection delay state, and processing related to correction of the detection timing (automatic correction processing of parameters for boiling detection, or boiling state notification processing of the operation method for correcting the detection timing of the ) is executed.

On the other hand, while the heating of the cooking container C by the burner 2 has not progressed so much, the user may extinguish the burner 2 in order to stop or delay the boiling of the liquid in the cooking container C, or , an operation to reduce the heating power of the burner 2 may be performed. In this case, although the determination result in STEP3 or STEP4 is affirmative, the determination result in STEP5 is negative because the detected value of the temperature of the cooking vessel C is low. In this case, the control device 20 does not determine that the detection timing of the boiling state is the detection delay state, and in STEP 13, ends the water heating control in the same manner as in STEP 7, and performs the processing shown in the flowchart of FIG. finish.

Moreover, if the boiling state is detected by the process of the boiling detection part 21 without the judgment result of STEP3 or STEP4 becoming affirmative, the judgment result of STEP2 will become affirmative. This situation is a situation in which the boiling state is detected at an appropriate timing for the user without causing the liquid in the cooking container C to boil over. In this case, the controller 20 terminates the boiling control in STEP 14 without determining that the timing of detecting the boiling state is delayed.

In STEP 14 , the control device 20 terminates the process (boiling detection process) of the boiling detection section 21 and executes the boiling response process by the boiling response processing section 24 . In this boiling countermeasure process, the control device 20 extinguishes the burner 2 by closing the on-off valve 5 . Furthermore, the control device 20 causes the display 11 to display or the sound generator 12 to output notification information indicating that the boiling state has been detected.

Subsequently, the control device 20 executes the processing shown in the flowchart of FIG. In this case, the control device 20 executes the processing of STEPs 15 to 18 as the processing of the detection delay/premature judgment section 22 for judging whether or not the detection timing of the boiling state is prematurely detected.

Specifically, in STEP15, the control device 20 activates a timer for measuring the elapsed time after the water heating control in STEP14 is finished. Next, in STEP 16, the control device 20 determines whether or not the counted value of the timer exceeds a predetermined time (for example, 10 seconds), and in STEP 17, the re-ignition operation of the burner 2 is executed by the burner operating section 13a. It repeats until the judgment result of STEP 16 or STEP 17 becomes affirmative.

If the burner 2 is reignited before the determination result in STEP16 becomes affirmative (before the time value of the timer exceeds a predetermined time), the determination result in STEP17 becomes affirmative. This situation is a situation in which an event (hereinafter referred to as a post-detection event) occurs in which the user re-ignites the burner 2 immediately after the boiling control ends in response to the detection of the boiling state. The post-detection event is caused by the user recognizing that the heating of the cooking vessel C is insufficient because the timing of detecting the boiling state by the boiling detection unit 21 is too early than the appropriate timing desired by the user. can occur.

Therefore, if the determination result in STEP 17 becomes affirmative before the determination result in STEP 16 becomes affirmative, in STEP 18, the control device 20 determines that the timing of detecting the boiling state by the boiling detection unit 21 is too early. state. If the control device 20 recognizes that the determination result of STEP17 has become affirmative before the determination result of STEP16 becomes affirmative, it is determined that the detection timing of the boiling state is an excessively early detection state. , the direct execution of STEP 18 can be omitted.

Next, the control device 20 executes the processing of STEP 19 to STEP 23 as the processing of the detection delay/premature handling processing section 23 for coping with the premature detection state. Specifically, in STEP 19, the control device 20 determines whether or not the current number of occurrences of premature detection stored in a memory (not shown) exceeds a predetermined number (for example, four). The number of occurrences of premature detection is the number of times that the boiling state detection timing is determined to be in the premature detection state immediately after the end of the past water heating control before the current water heating control is executed. The default value when new is zero, and is reset (initialized) to zero in STEP 21 to be described later each time the predetermined number of times is exceeded.

If the determination result in STEP 19 is negative (when the number of occurrences of premature detection ≤ predetermined number of times), in STEP 22, the control device 20 sets the value of the number of occurrences of premature detection stored in the memory to "1". ” to the value incremented. Further, in STEP 23, the control device 20 executes a process of correcting the detection timing so as to reduce the premature detection of the detection timing of the boiling state by the boiling detection unit 21, and ends the process of the flowchart of FIG. .

In this case, in STEP 23, the control device 20 corrects the detection timing by correcting the same parameters as the boiling detection parameters corrected in STEP 12 to reduce the detection delay state. For example, the boiling detection unit 21 is configured to detect the boiling state when the measured value of a timer that measures the time required for the detected value of the temperature of the cooking vessel C to rise to a predetermined temperature exceeds a predetermined value. If so, the control device 20 updates the predetermined value (threshold value) to be compared with the counted value of the timer to a value that is larger than the current value by a predetermined amount. As a result, the predetermined value as the parameter for boiling detection is automatically set so that the detection timing of the boiling state is detected too early (so that the detection timing of the boiling state becomes later than the current timing). Fixed.

Further, for example, the boiling detection unit 21 is configured to detect the boiling state when the detected value of the temperature of the cooking container C is maintained substantially constant at a predetermined temperature or higher for a predetermined time or longer. If so, the control device 20 increases the predetermined time (threshold value) for the duration of the state in which the detected value of the temperature of the cooking vessel C is maintained substantially constant at the predetermined temperature or higher by a predetermined amount greater than the current value. value. As a result, the predetermined time as the parameter for boiling detection is automatically set so that the detection timing of the boiling state is reduced too early (so that the detection timing of the boiling state becomes later than the current timing). Fixed.

In STEP 23 , notification information indicating that the process of correcting the detection timing of the boiling state has been executed may be displayed on the display 11 or output from the sound generator 12 . In addition, only when the user is asked via the display 11 or the sound generator 12 whether it is possible to automatically correct the detection timing of the boiling state, and the user performs a predetermined operation to permit the correction, The process of STEP23 may be executed.

If the determination result in STEP 19 is affirmative (if the number of occurrences of premature detection > predetermined number of times), in STEP 20, the control device 20 adjusts the detection timing of the boiling state so as to reduce the premature detection state. Notification information (guidance information) that makes the user recognize the operation method for changing is displayed on the display 11 or output from the sound generator 12 . Furthermore, in STEP 21, the control device 20 resets (initializes) the number of occurrences of premature detection to zero (on condition that the user performs a required operation in response to the notification in STEP 20). 3 ends the processing shown in the flowchart.

In STEP 20, the control device 20 displays, for example, notification information indicating that the switch 13c2 of the boiling detection adjustment switches 13c1 and 13c2 should be pushed while the combustion operation of the burner 2 is stopped. display on the device 11 or output from the sound generator 12. As a result, the user can perform an operation to reduce the premature detection of the boiling state detection timing without having to check the instruction manual of the heating cooker 1 or contact the support center. The method can be easily recognized and implemented.

When such an operation is performed by the user, the control device 20 corrects the boiling detection parameters as in STEP23. However, in this case, the correction amount of the boiling detection parameter according to the user's operation (operation of the boiling detection adjustment switch 13c2) is set to a correction amount larger than the correction amount in STEP23. As a result, even when the amount of deviation between the detection timing of the boiling state and the appropriate timing is relatively large, the corrected detection timing can easily approach the appropriate timing. It should be noted that when the user turns off the power of the heating cooker 1 without executing the above operation in response to the notification in STEP 20, or when a predetermined time has passed, or when the burner 2 is reignited is performed, the process of resetting the number of times of occurrence of premature detection in STEP 21 is omitted.

In the present embodiment, as described above, when the re-ignition operation of the burner 2 is performed (before the judgment result in STEP 16 becomes affirmative) immediately after the boiling control in response to the detection of the boiling state (before the judgment result in STEP 17 If the result is affirmative), it is determined that the boiling state detection timing is in an early detection state, and processing related to correction of the detection timing (automatic correction processing of boiling detection parameters, or boiling state notification processing of the operation method for correcting the detection timing) is executed.

According to the embodiment described above, when the timing of detecting the boiling state by the boiling detection unit 21 is in the detection delay state or the detection premature state, the boiling state is detected so as to reduce the detection delay state or the detection premature state. Adjustment of the detection timing is automatically executed, or notification information indicating the operation method for the adjustment is presented to the user. can be enhanced.

It should be noted that the present invention is not limited to the embodiments described above, and other embodiments can be employed. Some other embodiments are illustrated below.

In the above-described embodiment, in order to determine whether or not the detection timing of the boiling state is in the premature detection state, immediately after the boiling control ends in response to the detection of the boiling state (the determination result in STEP 16 becomes affirmative) before), it was determined whether reignition operation of burner 2 was to be performed. However, instead of judging whether or not the burner 2 is to be reignited, for example, as shown in the flow chart of FIG. It may be determined in STEP 27 whether or not the boiling state has risen to the above high level state, and if the result of the determination is affirmative, it may be determined that the timing of detecting the boiling state is prematurely detected. Alternatively, if the determination result in either STEP 17 or 27 becomes affirmative before the determination result in STEP 16 becomes affirmative, it is determined that the detection timing of the boiling state is the premature detection state. may

Further, in the above-described embodiment, each time it is determined that the detection timing of the boiling state is the detection delay state, the correction processing of the detection timing is executed in STEP 12, or the notification information regarding the change operation method of the detection timing is transmitted in STEP 9. to output to the user. Similarly, each time it is determined that the timing of detecting the boiling state is an excessively detected state, the correction processing of the detection timing is executed in STEP 23, or the notification information regarding the change operation method of the detection timing is sent to the user in STEP 20. I made it to output against.

However, for example, as shown in the flowchart of FIG. 5A, until the number of detection delay occurrences reaches a predetermined number, the correction processing of the detection timing of the boiling state and the notification regarding the change operation method of the detection timing are not executed, and the detection delay occurs. When the number of times exceeds a predetermined number of times, the boiling state detection timing correction process (the process of STEP 12) may be executed. Similarly, for example, as shown in the flowchart of FIG. 5B, until the number of occurrences of premature detection reaches a predetermined number of times, correction processing of the detection timing and notification regarding the change operation method of the detection timing are not executed, and premature detection occurs. When the number of times exceeds a predetermined number of times, the boiling state detection timing correction process (the process of STEP 23) may be executed. In FIG. 5A, instead of the process of STEP 12, the process of STEP 9 (notification regarding the change operation method of the detection timing) may be executed. Similarly, in FIG. 5B, instead of the process of STEP 23, the process of STEP 20 (notification regarding the change operation method of the detection timing) may be timed.

Further, in the above-described embodiment, in order to determine whether or not the detection timing of the boiling state is in the detection delay state, one of STEPs 3 and 4 is performed before the boiling state is detected by the boiling detection unit 21. Although it is determined whether or not the result is affirmative, the determination process in either STEP 3 or 4 may be omitted.

In the above-described embodiment, the burner 2 is automatically extinguished (the on-off valve 5 is controlled to close) as a process for coping with boiling when the boiling state is detected. , the heating power control valve 6 may be controlled to reduce the heating power of the burner 2. In this case, the judgment as to whether or not the detection timing of the boiling state is in the detection delay state can be performed in the same manner as in the above-described embodiment. Further, whether or not the detection timing of the boiling state is too early can be determined by the process shown in the flowchart of FIG. 4, for example.

Furthermore, as a process for dealing with boiling when the boiling state is detected, for example, while maintaining the thermal power of the burner 2 (the amount of heat generated by the heat source), the indicator 11 displays notification information to the effect that the boiling state has been detected. Alternatively, it may be output from the sound generator 12 . In this case, the judgment as to whether or not the detection timing of the boiling state is in the detection delay state can be performed in the same manner as in the above-described embodiment. Further, whether or not the detection timing of the boiling state is in the premature detection state is determined, for example, immediately after the boiling control is finished in response to the detection of the boiling state (before the judgment result in STEP 16 becomes affirmative). The determination may be made based on whether or not the user has performed a predetermined operation for stopping the output of the notification information indicating that a has been detected.

Further, in the above embodiment, in STEPs 9 and 20, the notification information regarding the change operation method of the detection timing of the boiling state is output to the user, but instead of or in addition to the notification information, For example, notification information indicating that the timing of detecting the boiling state is delayed or detected too early may be output to the user. As a result, the user can clearly recognize that the timing of detecting the boiling state is a delayed detection state or an excessively early detection state, and then perform an operation to reduce the delayed detection state or the excessively detected state. Recognize the validity of

Further, in the above embodiment, the detection of the boiling state in the automatic water heating operation has been described, but the present invention can also be applied to the case of boiling the liquid in the cooking container C, for example, in the process of the automatic cooking operation. It is possible.

In the above-described embodiment, a gas stove is used as a cooking device, but the present invention is also applicable to cooking devices other than a gas stove, such as a stove having an IH heater or an electric heater as a heat source, or a rice cooker. can.

1 Heating cooker 2 Burner (heat source) 14 Thermocouple 21 Boiling detection unit 22 Detection delay/premature judgment unit (detection delay judgment unit, detection excessive judgment unit) 23 Detection delay / Premature response processing unit (detection delay response processing unit, premature detection response processing unit), 24 ... Boiling response processing unit.

Claims (7)

Boiling detection processing for detecting whether or not the liquid in the cooking container is in a boiling state based on a predetermined judgment standard in a state in which a heat source and a cooking container filled with liquid are heated by the heat source. and a boiling response processing unit that performs a predetermined boiling response process when the boiling detection unit detects the boiling state of the liquid in the cooking container, wherein ,
During execution of boiling detection processing by the boiling detection unit, the presence or absence of occurrence of a predetermined pre-detection event is monitored, and the timing of detecting the boiling state by the boiling detection unit is delayed based on the presence or absence of occurrence of the pre-detection event. A detection delay determination unit that determines whether or not the state is
a detection delay handling processing unit that executes detection delay handling processing related to changing the judgment criteria in the boiling detection processing when the judgment result of the detection delay judging unit is affirmative ,
The boiling detection unit is configured to be able to change the judgment criteria according to a predetermined operation of an operation unit provided in the heating cooker,
The detection delay handling processing unit stores information indicating the determination result of the detection delay determination unit and an operation method of the operation unit for changing the determination criterion so as to reduce the delay state of the detection timing of the boiling state. A cooking device, characterized in that a process of informing a user of at least one of the information shown in the above is executed as the detection delay handling process . Boiling detection processing for detecting whether or not the liquid in the cooking container is in a boiling state based on a predetermined judgment standard in a state in which a heat source and a cooking container filled with liquid are heated by the heat source. and a boiling response processing unit that performs a predetermined boiling response process when the boiling detection unit detects the boiling state of the liquid in the cooking container, wherein ,
During execution of boiling detection processing by the boiling detection unit, the presence or absence of occurrence of a predetermined pre-detection event is monitored, and the timing of detecting the boiling state by the boiling detection unit is delayed based on the presence or absence of occurrence of the pre-detection event. A detection delay determination unit that determines whether or not the state is
a detection delay handling processing unit that executes detection delay handling processing relating to a change in the judgment criteria in the boiling detection processing when the judgment result of the detection delay judging unit is affirmative , wherein the pre-detection event is an operation for stopping the operation of the heat source, or reducing the amount of heat generated by the heat source in a state in which the detected value of the temperature of the cooking vessel rises to a predetermined temperature or higher during the boiling detection process performed by the boiling detection unit; A cooking device characterized by including at least an event that an operation for reducing is performed by a user . Boiling detection processing for detecting whether or not the liquid in the cooking container is in a boiling state based on a predetermined judgment standard in a state in which a heat source and a cooking container filled with liquid are heated by the heat source. and a boiling response processing unit that performs a predetermined boiling response process when the boiling detection unit detects the boiling state of the liquid in the cooking container, wherein ,
During execution of boiling detection processing by the boiling detection unit, the presence or absence of occurrence of a predetermined pre-detection event is monitored, and the timing of detecting the boiling state by the boiling detection unit is delayed based on the presence or absence of occurrence of the pre-detection event. A detection delay determination unit that determines whether or not the state is
a detection delay handling processing unit that executes detection delay handling processing relating to a change in the judgment criteria in the boiling detection processing when the judgment result of the detection delay judging unit is affirmative , wherein the heat source is combustion. It is a combustion type heat source that generates a flame, and is equipped with a thermocouple that outputs an electromotive force corresponding to the combustion flame,
In the pre-detection event, the electromotive force of the thermocouple is lower than a predetermined value in a state where the detected value of the temperature of the cooking vessel has risen to a predetermined temperature or higher during the execution of the boiling detection process by the boiling detection unit. A heating cooker characterized by including at least an event of entering a state . Boiling detection processing for detecting whether or not the liquid in the cooking container is in a boiling state based on a predetermined judgment standard in a state in which a heat source and a cooking container filled with liquid are heated by the heat source. and a boiling response processing unit that performs a predetermined boiling response process when the boiling detection unit detects the boiling state of the liquid in the cooking container, wherein ,
During execution of boiling detection processing by the boiling detection unit, the presence or absence of occurrence of a predetermined pre-detection event is monitored, and the timing of detecting the boiling state by the boiling detection unit is delayed based on the presence or absence of occurrence of the pre-detection event. A detection delay determination unit that determines whether or not the state is
a detection delay handling processing unit that executes a detection delay handling process related to a change in the judgment criteria in the boiling detection process when the judgment result of the detection delay judging unit is affirmative ;
After the boiling state is detected by the boiling detection unit, the presence or absence of occurrence of a predetermined post-detection event is monitored, and the boiling state detection timing by the boiling detection unit is adjusted based on the presence or absence of the occurrence of the predetermined post-detection event. a detection premature determination unit that determines whether or not the premature state is present;
an early detection response processing unit that executes an early detection response process related to a change in the determination criteria in the boiling detection process when the determination result of the early detection determination unit is affirmative,
The boiling detection unit is configured to be able to change the judgment criteria according to a predetermined operation of an operation unit provided in the heating cooker,
The premature detection response processing unit includes information indicating the determination result of the premature detection determination unit and the operation unit for changing the determination criterion so as to reduce the premature state of the detection timing of the boiling state. and information indicating an operation method . Boiling detection processing for detecting whether or not the liquid in the cooking container is in a boiling state based on a predetermined judgment standard in a state in which a heat source and a cooking container filled with liquid are heated by the heat source. and a boiling response processing unit that performs a predetermined boiling response process when the boiling detection unit detects the boiling state of the liquid in the cooking container, wherein ,
During execution of boiling detection processing by the boiling detection unit, the presence or absence of occurrence of a predetermined pre-detection event is monitored, and the timing of detecting the boiling state by the boiling detection unit is delayed based on the presence or absence of occurrence of the pre-detection event. A detection delay determination unit that determines whether or not the state is
a detection delay handling processing unit that executes a detection delay handling process related to a change in the judgment criteria in the boiling detection process when the judgment result of the detection delay judging unit is affirmative ;
After the boiling state is detected by the boiling detection unit, the presence or absence of occurrence of a predetermined post-detection event is monitored, and the boiling state detection timing by the boiling detection unit is adjusted based on the presence or absence of the occurrence of the predetermined post-detection event. a detection premature determination unit that determines whether or not the premature state is present;
an early detection response processing unit that executes an excessive detection response processing related to a change in the criterion in the boiling detection processing when the determination result of the excessive detection determination unit is affirmative, and the heat source is a combustion type heat source that generates a combustion flame, and is equipped with a thermocouple that outputs an electromotive force corresponding to the combustion flame,
The boiling countermeasure process is a process of stopping the combustion operation of the heat source or reducing the thermal power of the heat source,
The post-detection event includes at least an event in which the electromotive force of the thermocouple becomes higher than a predetermined value within a predetermined time after the boiling state is detected by the boiling detection unit . . Boiling detection processing for detecting whether or not the liquid in the cooking container is in a boiling state based on a predetermined judgment standard in a state in which a heat source and a cooking container filled with liquid are heated by the heat source. and a boiling response processing unit that performs a predetermined boiling response process when the boiling detection unit detects the boiling state of the liquid in the cooking container, wherein ,
After the boiling state is detected by the boiling detection unit, the presence or absence of occurrence of a predetermined post-detection event is monitored, and the boiling state detection timing by the boiling detection unit is adjusted based on the presence or absence of the occurrence of the predetermined post-detection event. a detection premature determination unit that determines whether or not the premature state is present;
an early detection response processing unit that executes an early detection response process related to a change in the determination criteria in the boiling detection process when the determination result of the early detection determination unit is affirmative, The detection unit is configured to be able to change the criterion according to a predetermined operation of an operation unit provided in the heating cooker,
The premature detection response processing unit includes information indicating the determination result of the premature detection determination unit and the operation unit for changing the determination criterion so as to reduce the premature state of the detection timing of the boiling state. and information indicating an operation method . Boiling detection processing for detecting whether or not the liquid in the cooking container is in a boiling state based on a predetermined judgment standard in a state in which a heat source and a cooking container filled with liquid are heated by the heat source. and a boiling response processing unit that performs a predetermined boiling response process when the boiling detection unit detects the boiling state of the liquid in the cooking container, wherein ,
After the boiling state is detected by the boiling detection unit, the presence or absence of occurrence of a predetermined post-detection event is monitored, and the boiling state detection timing by the boiling detection unit is adjusted based on the presence or absence of the occurrence of the predetermined post-detection event. a detection premature determination unit that determines whether or not the premature state is present;
an early detection response processing unit that executes an early detection response process related to a change in the determination criteria in the boiling detection process when the determination result of the early detection determination unit is affirmative ,
The heat source is a combustion type heat source that generates a combustion flame, and is provided with a thermocouple that outputs an electromotive force corresponding to the combustion flame,
The boiling countermeasure process is a process of stopping the combustion operation of the heat source or reducing the thermal power of the heat source,
The post-detection event includes at least an event in which the electromotive force of the thermocouple becomes higher than a predetermined value within a predetermined time after the boiling state is detected by the boiling detection unit . .

Images