JP6633357B2 - Gas stove - Google Patents

Description

  The present invention relates to a gas stove used in ordinary households.

  Conventionally, a temperature sensor for detecting the temperature of the lower surface of the cooking vessel is provided, and automatic heating is performed by controlling the heating power by the control unit so as to keep the temperature of the lower surface of the cooking vessel constant. The heating unit reduces the thermal power when the absence of the cooking container is detected in the heating unit, and thereafter, when the presence of the cooking container is detected during the set time, the combustion is maintained, and the absence of the cooking container is determined for the set time. There is known a gas stove that extinguishes fire when the above is continued (for example, Patent Document 1).

  In the case of such a gas stove, since the automatic cooking is performed by controlling the heating power by the control unit, it is possible to carry out the cooking of fried food such as tempura without fail, and the convenience is good, and the cooking container in the heating unit is also provided. It changes the thermal power and extinguishes the fire in accordance with the presence or absence of, so it is safe and excellent in energy saving.

JP 2006-97974 A

  However, in the case of the above-mentioned conventional gas stove, since the switching of the heating power from the small heating power to the large heating power is automatically performed by the control unit provided in the gas cooking stove, the switching of the heating power from the small heating power to the large heating power is performed by the control unit. If the user inadvertently approaches the cooker that is about to be performed automatically, the user will be convinced that the thermal power will change from small to large regardless of the user's awareness. I was confused and surprised, and there was room for improvement in this regard.

  The present invention has been made to solve the above-described problems, and when the control unit is automatically switching the heating power from the small heating power to the large heating power, even when the user approaches carelessly, An object of the present invention is to provide a gas stove in which a user does not feel confused or surprised.

In order to solve the above conventional problems, the gas stove of the present invention is:
A burner for heating an object to be heated located at the heating position,
A flow control valve for increasing or decreasing the flow rate of the fuel gas supplied to the burner,
An artificially operated heat power adjustment command unit that commands the adjustment of the heat power of the burner;
Temperature detection means for detecting the temperature of the object to be heated,
A setting input unit for selecting a temperature control mode in which cooking is performed while adjusting the heating power of the burner such that the temperature of the object to be heated is maintained at a predetermined temperature;
A control unit that controls the driving of the flow rate control valve to control the heating power of the burner based on the heating power adjustment command unit and the detection information of the temperature detection unit,
When the temperature control mode is selected, the control unit controls the flow rate control valve so as to maintain the temperature detected by the temperature detection unit at a set temperature during the combustion of the burner, and controls the burner. Execute automatic temperature control to control thermal power,
If the temperature control mode is not selected, the control unit controls the flow rate control valve based on a command from the heating power adjustment command unit during combustion of the burner to control the heating power of the burner. A gas stove configured to perform thermal power control,
(A) when increasing the heating power of the burner during execution of manual heating power control, the control unit sets the maximum value of the driving speed for driving the flow rate control valve to the heating power increasing speed during manual heating power control;
(B) when increasing the heating power of the burner during the execution of the automatic temperature control, the control unit sets the driving speed for driving the flow control valve to a lower speed than the heating power increasing speed during the manual heating power control. It is configured to set the heating power increase speed at the time of the automatic temperature control , and to notify that the heating power of the burner gradually increases .

Further, it is preferable that the notification is notification by voice .

  As described above, in the gas stove of the present invention, (a) when increasing the heating power of the burner during the execution of the manual heating power control, the control unit sets the maximum value of the driving speed for driving the flow control valve to the value during the manual heating power control. Since the heating power is set to the heating power increasing speed, cooking can be performed in such a manner as to reach the heating power manually set by the user's intention as quickly as possible. When increasing the heating power of the burner during the execution of the adjustment control, the control unit sets the driving speed for driving the flow rate control valve to a heating power increasing speed during the automatic temperature control control that is set to a lower speed than the heating power increasing speed during the manual heating power control. For example, when the temperature detected by the temperature detecting means decreases due to a decrease in the temperature of the tempura oil filled in the pan during the execution of tempura cooking, the flow rate control valve is controlled by the control unit. Is driven Therefore, when the heat of the burner changes from a small heat to a large heat, the flow control valve is driven at a low speed, so that the user is surprised or uncomfortable that the heat of the burner suddenly changes from a small heat to a large heat. Can be prevented from being felt.

Further, when increasing the heating power of the burner in the thermostatic control execution, which is configured to perform a notification to the effect that thermal is gradually increased, gradual change in the large thermal power thermal power of the burner from the small thermal Since the user can recognize in advance what to do, it is possible to more surely prevent the user from being surprised or uncomfortable.

Further, the notification, when a notification by voice, with respect to the thermal power is slowly varying, thereby preventing the user experience discomfort, it is possible to provide a more user-friendly gas stove.

1 is a perspective view of a gas stove according to an embodiment of the present invention. It is a block diagram showing a control structure of a gas stove concerning an embodiment of the present invention. It is a longitudinal section near the burner of the gas stove concerning an embodiment of the present invention. It is a figure showing composition of a point fire extinguishing command part and a combustion quantity adjustment operation part of a gas stove concerning an embodiment of the present invention. It is a figure explaining the operation state of the point fire extinguishing command part and the combustion amount adjustment operation part of the gas stove concerning the embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention is not limited by the embodiment.

[Embodiment]
Here, first, the overall configuration of the gas stove according to the embodiment of the present invention will be described, and then the characteristic configuration of the present invention will be described.

<Overall configuration>
As shown in FIGS. 1 and 2, the gas stove is constituted by a built-in type gas stove provided with three stove burners 1 a, 1 b, 1 c and a grill portion 3 having a grill burner 2. The burners 1a, 1b, and 1c are configured to have a double high heat power specification by a high heat power burner 1a, a small burner 1b, and a high heat power burner 1c.

As shown in FIG. 1, a grill exhaust port 4 for exhausting the combustion exhaust gas from the grill section 3 is formed, and the top surface of the gas stove is covered with a glass top plate 5. In addition, a work 6 for receiving and supporting an object to be heated (such as a pot) with respect to the high thermal burner 1a, the small burner 1b, and the high thermal burner 1c is placed and supported. In other words, the upper part of the virtue 6 corresponds to a heating position where the object to be heated is located.
Further, on the back side of the top plate 5, a top surface display section 70 for displaying the heat power of each of the high heat power burners 1a, the small burners 1b and the high heat power burners 1c and the point fire extinguishing state of the grill burner 2 is visually recognized through the top plate 5. It is provided as possible.

  Also, as shown in FIGS. 1 and 2, on the front side of the gas stove, commands for ignition and extinction of the high thermal power burner 1a, the small burner 1b, the high thermal power burner 1c and the grill burner 2, fire control and various settings. A control unit (combustion control unit) H provided with a manual operation unit S and configured to execute various controls is provided with a high thermal power burner 1a based on an operation state commanded by the manual operation unit S. It is configured to control the small burner 1b, the high thermal power burner 1c, and the grill burner 2. An automatic reset type push-operation type power switch 40 is provided on the front side of the gas stove.

  As shown in FIG. 2, a spark plug 7 and a thermocouple 8 for detecting an ignition state are provided in each of the high thermal burner 1a, the small burner 1b, and the high thermal burner 1c, and the grill burner 2 is connected to the upper burner 2a. The upper surface burner 2a and the pair of left and right lower surface burners 2b, 2c are each composed of a double-sided burner having a pair of left and right lower surface burners 2b, 2c, and a spark plug 7 and a thermocouple 8 for detecting an ignition state. Etc. are provided.

Each of the high thermal power burner 1a, the small thermal burner 1b and the high thermal power burner 1c is urged to return in the direction of extension as shown in FIGS. 2 and 3 (however, the high thermal power burner 1a is shown in FIG. 3). Telescopic mechanism 9 is provided so as to be able to expand and contract in the vertical direction with the lower end side fixed.
As shown in FIG. 3, the telescopic mechanism 9 can be moved in the vertical direction with the vertically movable part 9b being urged upward by a spring (not shown) to the guide support part 9a fixed to the casing. It is configured to support.

  When the object to be heated is not placed on the virtues 6, the upper end of the vertically movable part 9b is in an extended state protruding from the upper end that receives the object to be heated in the virtues 6, and the object to be heated is laid on the virtues 6. As the is placed, the vertically movable part 9b is pushed down by the bottom of the object to be heated, and becomes in a contracted state.

Then, the vertically movable part 9b of the telescopic mechanism 9 is pushed down by the object to be heated placed on the gode 6 against the telescopic mechanism 9 corresponding to each of the high thermal power burner 1a, the small burner 1b and the high thermal power burner 1c. The heating object detection switch 10 is provided so that the heating object detection switch 10 is turned on when the switch is turned on, and is turned off when the object to be heated placed on the window 6 is lifted and the vertically movable portion 9b is returned upward.
In other words, when the object-to-be-heated detection switch 10 is turned on and the object to be heated is present on the window 6, the presence of the object to be heated is detected. The absence of the object to be heated on 6, ie, the absence of the object to be heated is detected, and the object to be heated detection means 10 is constituted by the object to be heated detection switch 10.

  Further, a temperature detecting means 11 is provided in the upper end portion of the vertically movable portion 9b of the expansion and contraction mechanism 9 corresponding to each of the high thermal power burner 1a, the small burner 1b, and the high thermal power burner 1c. The temperature detecting means 11 is configured to detect the temperature of the object to be heated in a state where the bottom of the object to be heated is in contact with the upper end of the vertically movable portion 9b. Although not shown, the grill section 3 is provided with grill temperature detecting means for detecting the temperature inside the grill storage.

  A description will be given of a gas supply configuration to the high thermal burner 1a, the small burner 1b, the high thermal burner 1c, and the grill burner 2. As shown in FIG. 2, the original gas supply path 12 is provided with an original gas solenoid valve 13, The main gas supply path 12 branches into four systems, a high thermal power burner branch path 14a, a small burner branch path 14b, a high thermal power burner branch path 14c, and a grill burner branch path 14d. The branch path 14d further branches into a branch path for the upper burner and a branch path for the lower burner, and the branch paths are provided with a flow path 15 having an orifice of and an opening / closing solenoid valve 16, respectively. A road 17 is provided. Each of the high thermal burner branch 14a, the small burner branch 14b, the high thermal burner branch 14c, and the grill burner branch 14d is supplied with a gas amount by driving a stepping motor 19 (see FIG. 2). Is provided with a flow control valve 18 for adjusting the combustion amount (thermal power) of each of the burners.

The flow control valve 18 includes a stepping motor 19 as a drive source, a screw feed type moving operation mechanism for changing the rotation operation of the stepping motor 19 to a slide moving operation, and a slide having a gas insertion hole formed therein. It is provided with a closing member, a flow rate adjusting plate having a plurality of gas passing adjusting holes, and the like (not shown). The slide closing element and the flow rate adjusting plate constitute a flow rate adjusting section capable of changing the gas amount.
That is, the slide closing member and the flow rate adjusting plate are relatively slidably provided in a state of being pressed by a spring in a state where the gas flow path is shielded, and the stepping motor 19 is driven to slide the slide closing member. However, the amount of gas supplied to the burner can be changed and adjusted by changing the total area where the insertion hole formed in the slide closing member overlaps the adjustment hole of the flow rate adjustment plate (not shown).
The slide movement amount of the slide closing element is configured to be detected by a slide movement detection sensor 27 (FIG. 2).

  Next, the configuration of the manual operation unit S will be described. As shown in FIGS. 1, 4 and 5, on the gas stove front side, burners 1a, 1b, 1b, 1b, 1b, An artificially operated point fire extinguishing command unit 28, burners 1a, 1b, as command means capable of switching between an ignition command state for instructing the ignition command of 1c and a fire extinguishing command state for instructing a fire extinguishing command of the burners 1a, 1b, 1c. 1c is provided with a manually operated combustion amount adjustment operation unit 29 for instructing adjustment of the combustion amount (thermal power), and a setting input panel 50 for instructing cooking settings. And a setting input panel 60 for instructing heat power adjustment. Since these three point fire extinguishing command units 28 and three combustion amount adjusting operation units 29 have the same configuration, the configuration will be described below with the point fire extinguishing instruction unit 28 and the combustion amount adjusting operation unit 29 for the high thermal power burner 1a as a representative. The description will be made, and the description of the others will be omitted. The setting input panel 50 and the setting input panel 60 are openable and closable.

  As shown in FIGS. 4 and 5, a push-type point fire extinguishing switch 32 for instructing an ignition command and a fire extinguishing command is provided inside a front panel 38 of the gas stove. A rotary operation unit 31 having a cylindrical shape is provided so as to be inserted therethrough. The rotation operation section 31 is moved in the direction of the rotation axis to protrude beyond the push-in position for the fire extinguishing command for operating the point fire extinguishing switch 32 to a fire extinguishing command state for giving a fire extinguishing command, and the pushed-in position. The fire extinguishing switch 32 is configured to be switchable to an ignition command projecting position for operating an ignition command commanding an ignition command, and is configured to be rotatable to adjust the combustion amount at the projecting position. ing.

More specifically, the rotation operation section 31 moves in the direction of the rotation axis every time the push operation is performed, and by a position holding mechanism (not shown), a push-in position that is substantially flush with the front panel 38 and a protrusion position that projects forward. When the rotation operation unit 31 is switched to the protruding position, the rotation operation unit 31 is configured to be rotatable around its axis in each of the normal rotation direction and the reverse rotation direction. . When the rotary operation unit 31 is switched to the pushed-in position, the point fire extinguishing switch 32 is turned OFF (off) accordingly, and when the rotary operation unit 31 is switched to the protruding position, the point fire extinguishing switch 32 is turned on ( It is configured to switch in an interlocked manner so as to be in an (ON) state. As shown in FIG. 2, the switching signal of the point fire extinguishing switch 32 is input to the control unit H, and when the point fire extinguishing switch 32 is switched to the ON state, the control unit H starts the ignition operation for the high thermal power burner 1a. Then, when switched to the OFF state, the combustion operation of the high thermal power burner 1a is stopped.
That is, the rotary operation unit 31 and the point fire extinguishing switch 32 constitute a point fire extinguishing command unit 28.

  A rotary encoder 33 is provided inside the front panel 38 as pulse generating means for outputting a pulse signal in accordance with the rotation operation of the rotation operation unit 31. That is, the rotary operation unit 31 is connected to the operation shaft 34 of the rotary encoder 33 so as to be integrally rotatable and to allow relative movement in the axial direction. The rotary encoder 33 is configured such that one of the two pulse signals has a phase advanced from that of the other pulse signal in accordance with the rotation operation of the rotation operation unit 31 in one direction, and the rotation of the rotation operation unit 31 in the other direction. In a state where the phase of the other pulse signal is advanced from the phase of the one pulse signal by the rotation operation, two pulse signals having different phases from each other are output according to the rotation operation of the rotation operation unit 31. . That is, the rotary encoder 33 has two output terminals, and is configured such that pulse signals having different phases as described above are output from the two output terminals. Since such a rotary encoder 33 is well known, a detailed description thereof will be omitted.

  As shown in FIG. 1, on the outer surface side of the front panel 38, a front heating power display section 36 for displaying the heating power in a state in which a plurality of LED lamps 35 for displaying the heating power are arranged is provided around the rotary operation sections 31. ing. The front thermal power display unit 36 uses a plurality of LED lamps 35 as a level meter, and displays the number of LED lamps according to the magnitude of the combustion amount (heat power) set by the rotation operation unit 31 according to the magnitude of the combustion amount. It is configured to be lit and displayed. In this embodiment, the configuration is such that the magnitude of the thermal power can be changed and adjusted in five stages for the high thermal burner 1a and the high thermal power burner 1c, and can be changed and adjusted in three stages for the small burner 1c, from the minimum thermal power to the maximum thermal power. The front thermal power display unit 36 corresponding to each of the high thermal burner 1a and the high thermal burner 1c is composed of five LED lamps, and the front thermal power display unit 36 corresponding to the small burner 1c is three. LED lamps.

  That is, each of the high-burner burner 1a and the high-burner burner 1c is configured so that its combustion amount can be adjusted to the set combustion amount of five stages, and the small burner 1c can adjust its combustion amount to the three-stage set combustion amount. It is configured to be adjustable.

As shown in FIG. 1, the top surface display unit 70 includes three top surface heat power display units 71 corresponding to the high heat power burners 1a, the small burners 1b, and the high heat power burners 1c, respectively, and grill combustion corresponding to the grill burner 2. A display unit 73 is provided.
The top surface thermal power display unit 71 has the same configuration as the front surface thermal power display unit 36, and uses a plurality of LED lamps as a level meter to calculate the amount of combustion (thermal power) set by the rotary operation unit 31. The number of LED lamps according to the size of the LED lamp is turned on and displayed. The grill combustion indicator 73 is constituted by one LED lamp. When the grill burner 2 is ignited, the combustion state is displayed by turning on the LED lamp.

Then, as shown in FIG. 2, the control unit H, based on the pulse signals generated by the rotary encoder 33 corresponding to each of the high heat burner 1 a, the small burner 1 b, and the high heat burner 1 c, The operation of the flow control valve 18 for each of the high thermal burner 1a, the small burner 1b, and the high thermal burner 1c is controlled so as to adjust the fuel supply amount to each of the burner 1b and the high thermal burner 1c.
That is, the control unit H determines the rotation operation direction and the rotation operation amount of the rotation operation unit 31 based on the pulse signal output from the rotary encoder 33, and corresponds to the determined rotation operation direction and the rotation operation amount. In this case, the combustion amount of the high thermal power burner 1a or the like is adjusted. At this time, the data of the two pulse signals output from the rotary encoder 33 is repeatedly read every predetermined unit time, and the read data is read. The rotation operation direction and the rotation operation amount of the rotation operation unit 31 are determined based on a data pattern in the data of the two pulse signals.

  That is, in the gas stove according to the present embodiment, the rotation operation unit 31 and the rotary encoder 33 constitute the combustion amount adjustment operation unit 29.

Further, as shown in FIG. 2, the control unit H controls the high heat power burner 1a, the small heat power burner 1b based on the pulse signal generated by the rotary encoder 33 corresponding to each of the high heat power burner 1a, the small heat burner 1b, and the high heat power burner 1c. The thermal power of each of the burner 1b and the high thermal burner 1c is displayed on the front thermal power display unit 36 and the top thermal power display unit 71 corresponding to the high thermal burner 1a, the small burner 1b, and the high thermal burner 1c, respectively. .
That is, the control unit H is configured to similarly control the front thermal power display unit 36 and the top thermal power display unit 71. For example, a pulse signal generated by the rotary encoder 33 corresponding to the high thermal power burner 1a is a thermal power 3 In this case, three LED lamps forming the front thermal power display unit 36 are turned on, and three LED lamps forming the top surface display unit 71 are turned on.

  Further, as shown in FIG. 2, the gas stove is provided with a speaker 37 as notification means for notifying various kinds of information by voice, and the control unit H is configured to notify the various kinds of information by the speaker 37. Have been.

Next, the control operation of the control unit H will be described.
Since the control according to the present invention is executed for the high heat burner 1a and the high heat burner 1c, the description of the control operation of the control unit H for the small burner 1b and the grill burner 2 is omitted. I do.
In addition, since the control operation of the control unit H for each of the high thermal power burner 1a and the high thermal power burner 1c is the same, the control operation for the high thermal power burner 1a will be described below. The description of the control operation for the target is omitted.
The source gas solenoid valve 13 is opened when the point fire extinguishing switch 32 corresponding to at least one of the high thermal power burner 1a, the small burner 1b, the high thermal power burner 1c and the grill burner 2 is in the ON state. When all of the point fire switches 32 corresponding to each of the thermal burner 1a, the small burner 1b, the high thermal burner 1c, and the grill burner 2 are OFF, the valve is maintained in a closed state. The description of the control 13 is omitted.

  When the temperature control mode is selected on the setting input panel 50, the control unit H controls the heating power of the high thermal power burner 1a so that the temperature detected by the temperature detecting means 11 is maintained at the setting temperature set on the setting input panel 50. Temperature control mode control for controlling the stepping motor 19 is executed as much as possible. That is, when the control unit H executes the temperature control mode control, when the detected temperature of the temperature detecting means 11 is in a heating amount surplus state higher than the set temperature by a predetermined temperature (for example, 3 ° C.) or more, the heating power of the high heating power burner 1a is reduced. When the heating power is maintained and the temperature detected by the temperature detecting means 11 is a heating amount shortage lower than the set temperature by a predetermined temperature (for example, 3 ° C.) or more, the heating power of the high thermal power burner 1a is maintained at a large heating power.

<Characteristic configuration of the present invention>
By the way, for example, in the case where the set temperature is 170 ° C. and the tempura cooking is performed, the tempura pot is filled with only the tempura oil and the temperature detected by the temperature detecting means 11 is 174, for example, in a state where the ingredients are not present. ° C, and when the user puts ingredients into the fryer while the thermal power of the high thermal power burner 1a is maintained at a small thermal power, the temperature of the tempura oil filled in the fryer rapidly increases. Will decrease.

  On the other hand, the gas stove of this embodiment is configured to perform safe and efficient cooking without giving the user any discomfort as described below.

  That is, in the gas stove according to this embodiment, the temperature control mode is selected, and the control unit H operates the high thermal power burner 1a so that the temperature detected by the temperature detecting means 11 is maintained at the set temperature set by the setting input panel 50. Is configured to control the stepping motor 19 in order to control the heating power. When executing the automatic power control during automatic temperature control to increase the thermal power of the high thermal power burner 1a when performing the temperature control mode control, the control unit H may be used in a state where the temperature control mode is not selected. Increases the thermal power during manual thermal power control in which the operation of the flow rate control valve 18 is controlled based on the operation of the combustion amount adjusting operating section 29 constituted by the rotary operating section 31 and the rotary encoder 33 to increase the thermal power of the high thermal power burner 1a. The configuration is such that the drive speed of the flow control valve 18 is lower than when the control is performed.

  This will be described in more detail. The control unit H determines the rotation operation direction and the rotation operation amount of the rotation operation unit 31 based on the pulse signal output from the rotary encoder 33, and makes the rotation operation direction and the rotation operation amount correspond to the determined rotation operation direction and rotation operation amount. When performing the manual power control-based thermal power increase control for adjusting the combustion amount of the high thermal power burner 1a to be increased, the maximum value of the drive speed of the stepping motor 19 is set to the manual thermal power control-based thermal power increase speed (for example, 333 PPS (pulse / Seconds)). At this time, since the heating power is increased based on the user's intention, the user is not surprised or uncomfortable even if the heating power is rapidly increased within a range where the safety is not impaired.

  On the other hand, the temperature control mode is selected by the setting input panel 50, and the control unit H controls the high thermal power burner 1a so that the temperature detected by the temperature detecting means 11 is maintained at the set temperature set by the setting input panel 50. When the stepping motor 19 is controlled to control the heating power of the high heating power burner 1a, the heating power of the high heating power burner 1a is increased. The driving speed of the stepping motor 19 is set lower than the heating power increase speed during manual heating control (for example, 333 PPS (pulses / second)), and the heating speed during automatic temperature control control (for example, 111 PPS (pulses / second)). Is limited to

  That is, when the automatic temperature control is being performed, the heating power is controlled regardless of the user's intention, but also in this case, the heating power during the manual heating control is controlled so that the user does not feel surprised or uncomfortable. The control is performed at a heating power increasing speed at the time of the automatic temperature control, which is set to be lower than the increasing speed.

  In addition, the drive speed of the stepping motor 19 (the heat power increase speed during the automatic temperature control) when executing the heat power increase control during the automatic temperature control when increasing the heat power of the high thermal power burner 1a when executing the temperature control mode control. ) May be set lower than the thermal power increase rate during manual thermal power control (for example, 333 PPS (pulses / second)), and the thermal power increase rate during automatic temperature control may be other than the above-mentioned 111 PPS (pulses / second). It is also possible to set the speed to another value, for example 66 PPS (pulses / second).

  Further, in this embodiment, the control unit H sends a signal to the speaker 37 to drive the stepping motor 19 to the high heating power side while giving a voice notification such as "The heating power is slowly increased." It is configured. That is, the control unit H is configured to execute the automatic power control control-time heat power increase control for increasing the heat power of the high heat power burner 1a while giving a voice notification that the heat power gradually increases. Therefore, it is possible not only to prevent the user from being surprised or uncomfortable with the rapid increase in the thermal power, but also to prevent the thermal power of the high thermal power burner 1a from slowly changing from a small thermal power to a large thermal power. It is also possible to suppress a person from feeling uncomfortable.

When the control unit H executes the automatic power control during the automatic power control for increasing the thermal power of the high thermal power burner 1a, the control unit H provides an audio notification in an arbitrary configuration. It is also possible to configure so as to perform the notification by the following.

Also, Ru possible der be configured to perform notification by vibration of light and equipment.

  The present invention is not limited to the above embodiment in other respects, and various modifications can be made within the scope of the present invention.

DESCRIPTION OF SYMBOLS 1a, 1c High heat burner 1b Small burner 2 Grill burner 2a Upper burner 2b, 2c Lower burner 7 Spark plug 8 Thermocouple 9 Expansion mechanism 10 Heated object detection means 11 Temperature detection means 12 Original gas supply path 13 Solenoid valves 14a, 14c High Branch path for thermal burner 14b Branch path for small burner 14d Burner branch path for grill 15 Flow path 16 Opening / closing solenoid valve 17 Bypass path 18 Flow control valve 19 Stepping motor 27 Slide movement detection sensor 28 Point fire extinguishing command section 29 Burning amount adjustment operation Unit 32 point fire extinguishing switch 33 rotary encoder 36 front heat power display unit 37 notification means 50, 60 setting input panel 70 top display unit 71 top heat power display unit 73 grill combustion display unit S manual operation unit H control unit

Claims (2)

A burner for heating an object to be heated located at the heating position,
A flow control valve for increasing or decreasing the flow rate of the fuel gas supplied to the burner,
An artificially operated heat power adjustment command unit that commands the adjustment of the heat power of the burner;
Temperature detection means for detecting the temperature of the object to be heated,
A setting input unit for selecting a temperature control mode in which cooking is performed while adjusting the heating power of the burner such that the temperature of the object to be heated is maintained at a predetermined temperature;
A control unit that controls the driving of the flow rate control valve to control the heating power of the burner based on the heating power adjustment command unit and the detection information of the temperature detection unit,
When the temperature control mode is selected, the control unit controls the flow rate control valve so as to maintain the temperature detected by the temperature detection unit at a set temperature during the combustion of the burner, and controls the burner. Execute automatic temperature control to control thermal power,
If the temperature control mode is not selected, the control unit controls the flow rate control valve based on a command from the heating power adjustment command unit during combustion of the burner to control the heating power of the burner. A gas stove configured to perform thermal power control,
(A) when increasing the heating power of the burner during execution of manual heating power control, the control unit sets the maximum value of the driving speed for driving the flow rate control valve to the heating power increasing speed during manual heating power control;
(B) when increasing the heating power of the burner during the execution of the automatic temperature control, the control unit sets the driving speed for driving the flow control valve to a lower speed than the heating power increasing speed during the manual heating power control. The gas stove is configured to set the heating power increase speed at the time of automatic temperature control control and to notify that the heating power of the burner gradually increases . The gas stove according to claim 1, wherein the notification is a voice notification.

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