JP2014040968A - Heating cooker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a use-friendly heating cooker which is free from troublesome operation and can decrease the possibility of misoperation.SOLUTION: A heating cooker includes: a plurality of gas flow passages 31 for supplying gas to a stove burner 20; a plurality of solenoid valves LB 1 and LB 2 for opening/closing gas flow passages 31; a heating/stopping manual operation part for providing a command of starting of heating/stopping of heating; a heating power regulation manual operation part for changing the opening degree of a gas flow passages 31; and an ignition opening degree regulation mechanism for automatically regulating the opening degree of the gas flow passages 31 by heating power regulation manual operation part to the ignition opening degree at the time of operation of starting of heating at the heating/stopping manual operation part. The gas flow rate mode can be switched to a large flow rate mode, a middle flow rate mode, or a small flow rate mode by the solenoid valves LB 1 and LB 2. The gas flow rate in the rice cooking mode is set to the flow rate in a state where the opening degree is set to the ignition opening degree by the heating power regulation manual operation part in the middle gas flow rate mode, and when execution of the rice cooking mode is input, the gas flow rate mode is switched to the middle flow rate mode.

Description

  The present invention relates to a heating cooker.

  Conventionally, a plurality of gas passages for supplying gas to the stove burner, a plurality of solenoid valves for opening and closing the gas passage, a controller for controlling the heating amount by opening and closing the solenoid valve, and a stove burner Heating / stop manual operation part for starting / stopping heating, thermal power adjustment manual operation part for changing the opening degree of the gas flow path, and automatically adjusting the opening degree of the gas flow path to the opening degree for ignition There is known a cooking device including an ignition opening adjusting mechanism. (For example, refer to Patent Document 1).

  The ignition opening adjustment mechanism automatically sets the opening of the gas flow path by the heating power adjustment manual operation part to the ignition opening when the heating / stopping manual operation part is operated to start heating the stove burner. To adjust.

JP 2011-47538 A ([0067] to [0071] etc.)

  In such a heating cooker, by switching the opening and closing of the solenoid valve under the control of the control unit and changing the total flow area of the gas flow path to be opened, large flow mode, medium flow mode and small flow rate The mode can be switched, and when switching from the small flow rate mode to the large flow rate mode, the medium flow rate mode is maintained for a certain period of time in the middle so that the heating power (flow rate mode) can be changed while maintaining good combustion. Further, the flow rate can be adjusted in each flow mode by the thermal power adjustment manual operation unit.

  By the way, in the heating cooker shown by patent document 1, after performing a rice cooking mode, after installing a rice cooker in a stove part, (1) heating / stopping of a stove burner by a manual operation part is carried out. (2) Move the thermal power adjustment manual operation part from the position corresponding to the opening degree for ignition (ignition position) to the position corresponding to the opening degree of the thermal power for rice cooking (rice cooking position), (3) The operation for executing the rice cooking mode is performed, and the control unit switches to the large flow rate mode and thereby executes the rice cooking mode.

  In this conventional cooking device, the above three operations (1) to (3) are required, the operation is cumbersome and inconvenient, and the operation is wrong (particularly, the operation of (2) can be forgotten). The nature would be high.

  The present invention has been invented in view of the above-mentioned conventional problems, and the object of the present invention is to provide a cooking device that is not troublesome and easy to use and has a low possibility of erroneous operation. It is to be an issue.

  In order to solve the above-mentioned problem, the invention according to claim 1 includes a heating unit having a stove burner provided with an ignition device, a plurality of gas flow paths for supplying gas to the stove burner, and the gas A plurality of solenoid valves that open and close the flow path, a control unit that enables automatic cooking by controlling the amount of heating in the stove burner by opening and closing the solenoid valve, and start / stop heating of the stove burner The heating / stopping manual operation unit for giving the command to the control unit, the thermal power adjustment manual operation unit for changing the opening of the gas flow path, and the heating / stopping manual operation unit for heating the stove burner. An opening adjustment mechanism for ignition that automatically adjusts the opening of the gas flow path to the opening for ignition when the start operation is performed, and the control unit includes the electromagnetic valve Switching the opening and closing of the gas flow path By switching the total area of the road, it is possible to switch between a large flow rate mode, a medium flow rate mode, and a small flow rate mode, the flow rate adjustment in each flow rate mode is enabled by the thermal power adjustment manual operation unit, the control unit, In the heating cooker that controls to maintain the medium flow rate mode for a certain period of time when switching from the small flow rate mode to the large flow rate mode, the gas flow rate in the rice cooking mode that is one mode of the automatic cooking is The flow rate is set to a state where the opening for ignition is performed by the thermal power adjustment manual operation unit in the medium flow rate mode, and when the execution of the rice cooking mode is input, the control unit switches to the medium flow rate mode. And

  The invention according to claim 2 is the invention according to claim 1, wherein the thermal power adjustment manual operation portion is configured by a thermal power adjustment lever, and a mark is provided at a position corresponding to the opening for ignition of the thermal power adjustment lever. It is characterized by that.

  In the invention which concerns on Claim 1, while operation is not troublesome, while improving usability, possibility that an operation will be mistaken can be made low.

  In the invention according to claim 2, even if the thermal power adjustment lever is moved carelessly, the operation for returning the thermal power adjustment lever to the original can be easily performed.

It is the whole perspective view of the state where the lower front panel of the cooking-by-heating machine of one embodiment of the present invention was stored. It is a whole perspective view of the state which pulled out the lower front panel of the same heating cooker. It is explanatory drawing of the gas supply to the stove burner and grill burner in the same as the above. It is sectional drawing of the gas valve block in the same as the above, (a) shows the case where a slider exists in a front position, (b) shows the case where a slider exists in a rear position, (c) shows the case where a slider exists in the last position. It is a front view of the cooking setting input part for cooker parts same as the above. It is a front view of the upper front panel of the right side same as the above.

  Hereinafter, a built-in gas stove 1 including a stove part and a grill will be described as a heating cooker according to an embodiment of the present invention with reference to the accompanying drawings.

  As shown in FIG. 1, the top plate 11 that constitutes the top surface portion of the gas stove 1 is provided with a plurality of heating units 2. In the present embodiment, a standard thermal power stove 2a having a temperature sensor 2d composed of a thermistor that detects the temperature of the lower surface of the cooking vessel and controls combustion on the left side of the front of the top plate 11 as the heating unit 2 is provided. A high thermal power stove 2b having a temperature sensor 2d is provided on the right side in front of the top plate 11, and a small thermal stove 2c is provided in the center of the back of the top plate 11. In addition, arrangement | positioning of these each stove parts 2a-2c is an example, and is not limited. On the upper surface of the top plate 11, there are provided five virtues 21 centering on each burner 20, and the stove burner 20, the five victories 21, the ignition device 22 and the ignition detection device 23 (see FIG. 3) are heated. Stove portions 2a to 2c as the portion 2 are configured.

  The temperature sensor 2d detects the temperature by contacting the lower surface of the cooking container when the cooking container is placed on the virtues 21, and the temperature is recognized by a control unit (not shown). The control unit is composed of a microcomputer and automatically controls the start of heating in the stove burner 20, adjustment of the heating amount, and stop of heating by opening and closing solenoid valves (latched solenoid valves LB1, LB2) described later. Cooking is possible.

  The gas stove 1 is provided with a grill as the heating unit 2. As shown in FIG. 1, the grill includes a grill box 24 formed at the center of the main body of the gas stove 1, a grill burner (not shown) as heating means provided in the grill box 24, and an ignition device. 22 and the ignition detection device 23, and the front end of the grill cabinet 24 is open to the front surface portion 12 of the gas stove 1 and is closed openably and closably by the grill door 24a.

  The ignition device 22 ignites a spark plug provided at the fuel gas discharge port of the stove burner 20 and the grill burner by a high-pressure pulse generated by an igniter (not shown). The igniter is a control unit. Controlled by

  The ignition detection device 23 is composed of a thermocouple provided in the stove burner 20 and the grill burner, and when ignited, the thermoelectromotive force generated by the heat of the flame is recognized by the control unit.

  On both sides of the grill door 24a, as shown in FIG. 1, front panels (P1 to P4) that constitute the front portion 12 of the gas stove 1 together with the grill door 24a are provided. On the upper side of the left front panel P1 on the left side of the grill cabinet 24 is a point fire extinguisher button 13a for igniting / extinguishing the stove burner 20 of the front left standard thermal power stove 2a, and a small thermal power stove in the back. A point fire extinguishing button 13c for igniting / extinguishing the stove burner 20 of the part 2c is provided. On the upper front panel P2 on the right side of the grill cabinet 24 is a point fire extinguisher button 13d for igniting / extinguishing the grill burner, and a point for igniting / extinguishing the stove burner 20 of the right-side high thermal power stove 2b. A fire extinguishing button 13b is provided. Further, the lower front panel P3 on the left side and the lower front panel P4 on the right side of the grill cabinet 24 can be pulled out / stored as shown in FIGS. 1 and 2 (so-called kangaroo pockets in this embodiment). Yes.

  The heating / stopping manual operation in which the point fire extinguishing button 13 (13a to 13c) manually starts / stops heating in the heating unit 2 and gives a command to start / stop heating to the control unit. It is an operation unit. Further, on the front surface portion 12, a heating power adjustment lever 14 (14a to 14c) serving as a heating power adjustment manual operation unit for manually adjusting the heating amount of each heating unit 2 by changing an opening degree of a gas flow path 31 to be described later. Are provided on the point fire extinguishing buttons 13a to 13c, respectively.

  In this embodiment, it is comprised so that execution of the rice cooking mode which is one mode of automatic cooking is possible in the high thermal power stove part 2b, and it demonstrates below centering on the high thermal power stove part 2b.

  As shown in FIG. 4, the gas valve block 3 is provided in the instrument plug main body 30 with an internal gas flow path 31, an introduction port 31 a that is an upstream end of the gas flow path 31, and a discharge port 31 b that is a downstream end. It is. The internal gas flow path 31 is provided with a valve hole for the safety valve 32 and a valve hole for the main valve 33 from the upstream side. In the stove burner 20 of the second high thermal power stove 2b from the top in FIG. 3, the downstream side of the valve hole for the main valve 33 is a large fire channel 31c and a medium fire channel 31d. Are provided in parallel, and a valve hole for a large solenoid / LB switching solenoid valve LB1 is provided in the large-fire channel 31c. Further, a valve hole for the latch electromagnetic valve LB2 is provided in the medium-burning passage 31d for the medium burner 20 of the high thermal power stove 2b.

  The large-fire channel 31c and the medium-fire channel 31d merge on the downstream side of the valve hole of the latch electromagnetic valve LB1 and the downstream side of the latch electromagnetic valve LB2, and further on the downstream side, the thermal power adjusting lever 14 There is provided a valve hole for the flow rate control valve 34 that is linked to the.

  Further, the gas flow path 31 is provided with a bypass flow path BP that bypasses the portion where the latch electromagnetic valve LB1 and the latch electromagnetic valve LB2 are provided, and the bypass flow path BP is provided with a bypass orifice of1. The bypass orifice of1 is provided to share a plurality of gas valve blocks 3, and may be opened when the gas valve block 3 is used for application to other models. In FIG. 2, the bypass orifice of1 is closed by a closing body (not shown).

  When the thermal power adjustment lever 14 is set from the position where the opening degree of the gas flow path 31 is minimized to the position where it is maximized, depending on the combination of opening and closing of the latch solenoid valve LB1 and the latch solenoid valve LB2, The heating power of the filter burner 20 is adjusted and controlled by the control unit as shown in the table below.

このように制御部は、電磁弁（ラッチ電磁弁ＬＢ１、ＬＢ２）の開閉を切り替えて、開とするガス流路の流路総面積を変えることで大流量モードと中流量モードと小流量モードの切り替えを可能としている。

In this way, the control unit switches between opening and closing of the solenoid valves (latch solenoid valves LB1 and LB2) and changes the total flow area of the gas flow path to be opened, thereby changing the large flow rate mode, the medium flow rate mode, and the small flow rate mode. Switching is possible.

  The downstream side of the valve hole for the flow rate control valve 34 reaches the outlet 31 b for supplying gas to the stove burner 20.

  A slider 35 is attached to the instrument plug main body 30 so as to be movable in the front-rear direction, and the slider 35 moves backward when the front end surface is pressed backward by the point-extinguishing button 13.

  The point-extinguishing button 13 is provided so as to be movable back and forth, and the portion above the portion pressed by the finger of the point-extinguishing button 13 is pivotally supported on the main body side and the portion pressed by the finger moves back and forth. The front end surface of the slider 35 is pressed backward. The slider 35 is provided with a front position / rear position switching mechanism (not shown) made of, for example, an existing heart-shaped cam, and the slider 35 is moved from the rear position every time the point extinguishing button 13 is pushed. It moves forward and is positioned at the front position (see FIG. 4 (a)), or retracts from the front position and is positioned at the rear position (see FIG. 4 (b)), and the front position and the rear position are switched and held. The

  Further, a valve rod 36 that moves forward and backward as the slider 35 moves forward and backward is provided. The distal end side of the valve rod 36 is inserted into the gas flow path 31, and the distal end portion is inserted through the valve hole for the main valve 33 and the valve hole for the safety valve 32 from the rear side, that is, from the downstream side to the upstream side. Yes. When the slider 35 switches from the front position to the rear position, the valve rod 36 moves backward to the last position behind the rear position (see FIG. 4C) and then moves forward to the rear position. Is moved to the upstream side, the valve body for the safety valve 32 is opened by moving the valve body of the safety valve 32 closing the valve hole for the safety valve 32 from the upstream side. The safety valve 32 is composed of an electromagnetic valve, and the valve body for the safety valve 32 is closed from the rear as the valve body advances forward, that is, downstream, and the valve hole for the safety valve 32 is moved back, that is, upstream. Is released.

  The safety valve 32 is kept open by the control unit only when a flame is detected by the ignition detection device 23, and when the flame is no longer detected, the maintenance of the open state by the control unit is stopped and closed. As a result, the fuel gas can be prevented from flowing out when it disappears due to boiling or wind and the flame of the ignition detector 23 is no longer detected. Moreover, when the temperature of the lower surface of the cooking container detected by the temperature sensor 2d reaches a predetermined temperature (for example, 250 ° C.), it is determined that an abnormality such as airing or scorching has occurred, and the safety valve 32 is closed. .

  A main valve 33 is provided in the middle of the valve rod 36. When the slider 35 is located at the front position, the main valve element closes the valve hole for the main valve 33 from the rear. When the slider 35 is located at the rear position, the main valve element is used for the main valve 33. The valve hole for the main valve 33 is opened behind the valve hole.

  The opening of the valve hole for the flow rate control valve 34 is freely adjusted by the movement of the heating power adjustment needle 34a in the front-rear direction. The opening of the needle 34a is adjusted by operating the thermal power adjustment lever 14, and the supply amount of the fuel gas is increased as the thermal power adjustment lever 14 goes to the right.

  An appliance plug switch (not shown) that is switched ON / OFF depending on the position of the point fire button 13 or the slider 35 is provided. The appliance plug switch is turned off when the fire extinguishing button 13 (or slider 35) is located at the front position, and turned on when it is located at the rear position (including the last position).

  In order to ignite the stove burner 20 and the grill burner, the point fire extinguishing button 13 is pressed and the slider 35 is moved backward from the front position to the rear position. With the valve rod 36 retracted together with the slider 35, the safety valve 32 is opened and the main valve 33 is opened, and the fuel gas is supplied to the stove burner 20 and the grill burner. Further, when the slider 35 moves backward, the appliance plug switch is turned on, the power supply to the control unit is turned on, and the control unit starts operating.

  When any of the instrument plug switches is turned on, the control unit starts operating, and a signal is input to the control unit to detect whether any of the instrument plug switches is turned on. When the appliance plug switch is turned on, the control unit operates all the burner 20 and the ignition device 22 of the grill burner to cause continuous discharge, and energizes the coil of the safety valve 32 to open the safety valve 32 for a predetermined time (for example, 5 seconds) is secured. When ignition is detected by the ignition detector 23, the safety valve 32 is kept open.

  If ignition is not detected by the ignition detection device 23, the safety valve 32 is closed by stopping energization of the coil of the safety valve 32, and unless the fire extinguishing button 13 is pushed in and the valve rod 36 is used to retract the valve body of the safety valve 32, The safety valve 32 is not opened.

  When heating is started, a desired heating power is obtained by operating the heating power adjusting lever 14. The stove parts 2a to 2c automatically adjust the opening of the gas flow path 31 in conjunction with the operation of the heating / stopping manual operation part when the operation parts of the stove parts 2a to 2c are operated to perform ignition. An ignition opening adjustment mechanism (not shown) for adjusting to the ignition opening is provided. The ignition opening is intermediate between the maximum opening and the minimum opening of the gas flow path 31. As the ignition opening adjustment mechanism, for example, the following one developed by the applicant of the present application (see JP 2011-47538 A) can be cited.

  A right-hand operated piece (not shown) and a left-hand operated piece (not shown) are suspended from the left and right of the rotating shaft of the thermal power adjusting lever 14, and the slider 35 is positioned at the last position when performing an ignition operation. A right operation portion (not shown) that engages with the right operated piece in the state of FIG. 4C and a left operation portion (not shown) that engages with the left operated piece are located on the left and right sides of the slider 35. Projected.

  Then, the position of the thermal power adjustment lever 14 before pressing the point fire extinguishing button 13 (the thermal power adjustment position at the previous use) is rotated to the right position on the large thermal power side from the position corresponding to the ignition thermal power 2400 kcal / h. When the ignition operation is performed, the left operation portion is engaged with the left operated piece in the state shown in FIG. 4C where the slider 35 is located at the last position, and the heating power adjustment lever 14 corresponds to an ignition heating power of 2400 kcal / h. When the position of the heating power adjustment lever 14 is rotated to the left position on the small heating power side from the position corresponding to the ignition heating power 2400 kcal / h, the ignition is performed. In the state of FIG. 4C in which the slider 35 is located at the last position when the operation is performed, the right operation portion is engaged with the right operated piece, and the heating power adjusting lever 14 is ignited with a heating power of 2400 kcal / h. Regardless of the position of the thermal power adjustment lever 14 (the thermal power adjustment position at the previous use) before being turned and operated by turning to the corresponding position, the thermal power becomes the ignition thermal power 2400 kcal / h, and the good ignition performance In addition, excessive flame spread during ignition is suppressed. The ignition opening adjustment mechanism is not limited to the above.

  In addition, when switching from the small flow mode to the large flow mode in automatic cooking or the like, the control unit controls so that the medium flow mode is maintained for a certain period of time on the way, so that the thermal power (flow mode) is maintained while maintaining good combustion. Can be changed.

  When the sliders 35 of all the point fire extinguishing buttons 13 are set to the front position, the main valve 33 is closed to extinguish the fire, the appliance plug switch is turned off, the safety valve 32 is closed, and the output of the power holding signal is stopped. Power supply to is terminated.

  FIG. 5 shows an example of the cooking unit input setting unit 4 for the high heating power cooking unit 2b provided on the front panel P4 that can be pulled out / stored. The cooking unit cooking setting input unit 4 includes a timer switch 41 for setting a cooking time by the high heating power cooking unit 2b, a menu switch 42 for setting a menu for automatic cooking such as fried food, rice cooking, and hot water boiling. A cancel switch 46 for canceling each input set by operating the switch 41 or the menu switch 42 is provided. In the embodiment of FIG. 4, a deep-fried food switch 43, a rice cooking switch 44, and a water heater switch 45 are provided as the menu switch 42. Then, by pressing the deep-fried food switch 43, it is possible to enter a deep-fried food mode in which the deep-fried food is automatically cooked. During the cooking of multiple types of deep-fried foods such as 200 ° C., 180 ° C. and 160 ° C. The fried food cooking at the target temperature can be set. Moreover, it can be set as the rice cooking mode (it mentions later) which cooks rice by automatic cooking by pushing the rice cooking switch 44, and it is the purpose from the cooking of multiple kinds of rice cooking such as rice and rice porridge by how many times the rice cooking switch 44 is pushed. The cooking of cooking rice can be set. In addition, by pressing the water heater switch 45, it is possible to enter the water heating mode in which the water heater is automatically cooked. The fire extinguisher is automatically extinguished depending on how many times the water heater switch 45 is pressed. It is possible to select and set the water heater such as to do. When the cooking setting input in the high heating power stove section 2b is performed in the cooking setting input section 4 for the stove section, the heating power adjustment in the high heating power stove section 2b based on the control contents set in advance by the control section, The cooking time and the like are controlled. In this case, the temperature of the cooking container is detected by a temperature sensor 2d provided in the high heating power stove 2b, and the temperature of the cooking container detected by the temperature sensor 2d is controlled by the control unit. The heating power is adjusted by feedback control.

  Here, when setting automatic cooking in the high heating power stove 2b, after performing the ignition operation to push the point fire button 13 consisting of a push button with a finger and project the point fire button 13 forward as described above, By inputting the desired cooking setting in the cooking unit cooking setting input unit 4, the control unit controls the thermal power adjustment, the cooking time, etc. so that the intended cooking is performed by the high thermal power cooking unit 2b. Automatic cooking.

  In this way, when using the kitchen parts 2a to 2c, when heating is performed manually, the point-extinguishing button 13 is directly operated with a finger to give a command to the control unit to perform ignition, thermal power adjustment, and fire extinguishing. Is. The case of performing automatic cooking will be further described later.

  In addition, the automatic cooking may be extinguished due to the end of automatic cooking, the timer function, or the abnormality detected by the safety device. In this case, the fire extinguishing button 13 is in a state where the appliance plug is turned on. The safety valve 32 shuts off the gas and extinguishes the fire.

  In the present embodiment, in the high heating power stove unit 2b capable of executing the rice cooking mode which is one mode of automatic cooking, the heating power in the rice cooking mode is the opening degree of the gas flow path 31 by the heating power adjusting lever 14 in the medium flow rate mode. It is set by design so that it becomes a heating power when gas flows in a state where is set to an opening for ignition. And when execution of rice cooking mode is inputted, a control part switches to medium flow mode.

  That is, when executing the rice cooking mode, the user installs a rice cooking pot containing rice and water in the high thermal power stove 2b with the high thermal power stove 2b extinguished, and operates the point fire extinguishing button 13b. And ignite. Thereafter, the user operates the rice cooking switch 44 to execute the rice cooking mode. At this time, when the user performs ignition by operating the fire extinguishing button 13b, the opening degree of the gas flow path 31 is automatically adjusted to the opening degree for ignition by the opening degree adjusting mechanism for ignition, and in this state, the control unit Is controlled so that the latch solenoid valve LB1 is closed and the latch solenoid valve LB2 is opened so that the medium flow mode is set.

  Thereby, in performing rice cooking mode, after installing the rice cooker in the stove part, (1) The heating / stopping manual operation part is operated to start heating the stove burner 20, and (2) rice cooking mode Only the two operations of performing the operation for execution are sufficient. For this reason, compared to a conventional cooking device that requires three operations, the operation is not cumbersome and easy to use. The operation of “moving from the position (ignition position) to the position (rice cooking position) corresponding to the opening of the heating power for rice cooking” becomes unnecessary, and the possibility of cooking failure becomes extremely low. In addition, by applying the conventional medium flow rate mode to the rice cooking mode, the opening degree for ignition can be made the opening degree for rice cooking, and the effort to create a control program for rice cooking can be saved. It is.

  In addition, a mark is provided at a position corresponding to the ignition opening degree of the heating power adjusting lever 14, and in this embodiment, a rice cooking mark made of a bowl of rice bowl is drawn as a mark. Thereby, when the thermal power adjustment lever 14 is inadvertently moved during the rice cooking mode, the thermal power adjustment lever 14 may be moved according to the rice cooking mark, and the operation to return the thermal power adjustment lever 14 to the original can be easily performed. It is. In addition, in this embodiment, although a mark consists of the said rice cooking mark, the rice cooking mark which consists of other symbols may be sufficient, and marks other than symbols, such as a character, may be sufficient.

DESCRIPTION OF SYMBOLS 1 Gas cooker 11 Top plate 12 Front part 13 Point fire extinguishing button 14 Heat control lever 2 Heating part 2a Standard fired cooker part 2b High fired cooker part 2c Small fired cooker part 2d Temperature sensor 20 Cooker burner 21 Gotoku 22 Ignition Device 23 Ignition detection device 24 Grill box 24a Grill door 3 Gas valve block instrument plug 30 Instrument plug body 31 Gas flow path 31c Large fire flow path 31d Medium fire flow path 32 Safety valve 33 Main valve 34 Flow control valve 35 Slider 36 Valve rod 4 Cooking setting input part for stove LB1 Latch solenoid valve LB2 Latch solenoid valve

Claims (2)

  A heating unit having a stove burner equipped with an ignition device, a plurality of gas passages for supplying gas to the stove burner, a plurality of solenoid valves for opening and closing the gas passages, and opening and closing of the solenoid valves A control unit which controls the amount of heating in the stove burner and enables automatic cooking, and a heating / stop manual operation unit for giving the control unit a command to start / stop heating the stove burner And a heating power adjustment manual operation section that changes the opening of the gas flow path, and the gas generated by the heating power adjustment manual operation section when the heating / stopping manual operation section is operated to start heating the stove burner. An opening adjustment mechanism for ignition that automatically adjusts the opening of the flow path to the opening for ignition, and the control unit switches the opening and closing of the solenoid valve to open the gas flow path. Large flow rate mode and medium flow rate mode by changing the area The flow rate in each flow mode can be adjusted by the thermal power adjustment manual operation unit, and the control unit is in the middle of switching from the small flow mode to the large flow mode. In the heating cooker that controls to maintain the medium flow rate mode for a certain period of time, the gas flow rate in the rice cooking mode that is one mode of the automatic cooking is controlled by the heating power adjustment manual operation unit in the intermediate flow rate mode. The heating cooker is characterized in that the control unit switches to the medium flow rate mode when the flow rate is set to an opening degree and the execution of the rice cooking mode is input.   The cooking device according to claim 1, wherein the thermal power adjustment manual operation unit is configured by a thermal power adjustment lever, and a mark is provided at a position corresponding to the opening for ignition of the thermal power adjustment lever.

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