JP6970579B2 - Cooker - Google Patents

Description

INDUSTRIAL APPLICABILITY The present invention includes a burner for heating an object to be cooked, an ignition operation member for instructing ignition of the burner, an ignition means for igniting the burner, a thermal power adjusting means for adjusting the thermal power of the burner, an ignition means, and a thermal power adjusting means. The present invention relates to a heating cooker provided with a control means for controlling.

Conventionally, in this type of cooking cooker, the ignition operation member is composed of push-push type operation buttons arranged on the operation panel, and the operation button existing in the fire extinguishing position almost flush with the operation panel is once pushed in and protrudes from the operation panel. It is known that when an ignition instruction operation is performed, the control means activates the ignition means to perform ignition control for igniting the burner with a predetermined ignition thermal power (see, for example, Patent Document 1). .. Further, in this device, the control means controls the thermal power adjusting means so as to obtain the target thermal power according to the rotation angle of the operation button by performing the thermal power instruction operation of rotating the operation button after the ignition instruction operation.

In addition, as a heating cooker, a point fire extinguishing switch consisting of a touch switch, which is an ignition operation member, and an up / down switch consisting of a touch switch are arranged side by side on the operation panel, and ignition control is performed when the point fire extinguishing switch is touched. After that, it is also known to control the thermal power adjusting means so as to reach the target thermal power indicated by the operation of the up / down switch.

In any case, in the conventional cooking cooker, in order to adjust the heating power to the target heating power desired by the user after ignition, a two-step operation of an ignition instruction operation and a heating power instruction operation is required. Therefore, the user may feel annoyed.

Japanese Unexamined Patent Publication No. 2006-90598

In view of the above points, it is an object of the present invention to provide a cooking cooker capable of adjusting the heating power to the target heating power without performing the heating power instruction operation after the ignition instruction operation.

In order to solve the above problems, the present invention presents a burner for heating an object to be cooked, an ignition operation member for instructing ignition of the burner, an ignition means for igniting the burner, and a thermal power adjusting means for adjusting the thermal power of the burner. A cooking cooker including an ignition means and a control means for controlling the thermal power adjusting means, the control means activates the ignition means when an ignition instruction operation is performed by the ignition operation member, and a predetermined value is given to the burner. There rows ignition control of the ignition by the ignition-fired, in completing ones ignition control when a flame detection, detects the value of the predetermined operating parameters representing the operation state of the start and end of the ignition instruction operation by the ignition operating member An operation detecting means is provided, and the control means determines a post-ignition target thermal power during ignition control based on the value of the operation parameter detected by the operation detecting means when the ignition instruction operation is performed by the ignition operating member, and ignites. It is characterized in that the control is performed to change the thermal power of the burner from the ignition thermal power to the target thermal power after ignition after the control is completed.

The values of the operation parameters detected by the operation detection means can be the operation time from the start to the end of the ignition instruction operation by the ignition operation member and the operation displacement amount.

According to the present invention, by performing the ignition instruction operation by the ignition operating member, the ignition operation and so on the operation time and operation amount of displacement to the end from the start in the ignition control in accordance with the value of the table to a predetermined operating parameters After the target thermal power is determined, it is adjusted to this target thermal power after the ignition control is completed. Therefore, it is not necessary to perform the thermal power instruction operation after the ignition instruction operation, the user does not feel annoyed, and the usability is improved.

The perspective view which shows the stove which is the cooking apparatus of 1st Embodiment of this invention. The figure which shows the operation part and the gas circuit of the stove of FIG. The flow diagram which shows the control content of the stove burner performed by the controller of the stove of FIG. The perspective view of the stove which is the cooking apparatus of 2nd Embodiment. FIG. 4 is a cross-sectional view of an arrangement portion of an operation button of the stove of FIG. The figure which shows the operation part of the cooking apparatus of 3rd Embodiment.

FIG. 1 shows a built-in stove which is a cooking device according to an embodiment of the present invention. This stove has a stove body 1 that is installed by dropping it into the stove opening opened in the counter top of the system kitchen (not shown), and a top plate that is placed on the counter top so as to cover the upper surface of the stove body 1. 2 is provided with a total of three stove burners 3 exposed on the top plate 2, two on the left and right on the front side and one on the rear side, and a grill 4 incorporated in the main body of the stove 1.

With reference to FIG. 2, the gas supply path 5 of the stove is branched into four branch paths 5a on the downstream side of the main valve 51 interposed therein, of which three branch paths 5a are three stove burners. 3 is connected, and the remaining one branch path 5a is connected to the grill burner 4a provided on the grill 4. An electromagnetic safety valve 52 is interposed in each branch path 5a. Further, the branch path 5a for the stove burner 3 is provided with a thermal power control valve 53, which is a thermal power control means, in series with the electromagnetic safety valve 52, and the branch path 5a for the grill burner 4a is openable and closable in series with the electromagnetic safety valve 52. The temperature control valve 54 of the above is installed. The thermal power of each stove burner 3 can be adjusted in a plurality of stages, for example, 9 stages by each thermal power control valve 53.

An ignition electrode 61 is attached to each stove burner 3. An igniter 6 which is an ignition means for applying a high voltage to the three ignition electrodes 61 of the three stove burners 3 is provided. Further, the grill burner 4a is also provided with an ignition electrode 61'. A high voltage is applied to the ignition electrode 61'from an igniter 6'different from the igniter 6. Further, each stove burner 3 and grill burner 4a are also provided with a flame detecting element such as a thermoelectric pair (not shown).

The front panel 1a of the stove body 1 is provided with a power switch 11 and a push-push type grill operation button 12, and an operation unit 7 for a stove burner is provided at the center of the front side of the top plate 2. .. With reference to FIG. 2, the operation unit 7 includes a point fire extinguishing switch 71 including a touch switch which is an ignition operation member for performing an ignition instruction operation of each stove burner 3, and an up / down switch 72 including a touch switch for performing a thermal power instruction operation. And a thermal power display unit 73 having a plurality of light emitting units 73a equal to the number of thermal power adjustment stages. The signals from the power switch 11, the operation detection switch (not shown) of the grill operation button 12, the fire extinguishing switch 71 at each point, and the up / down switch 72 are sent to the controller 8 including the microcomputer as a control means together with the signal from the flame detection element. Entered. The controller 8 controls the main valve 51, the electromagnetic safety valve 52, the thermal power control valve 53, the temperature control valve 54, and the igniters 6, 6'.

Here, as a functional means configured by the program, the controller 8 has a predetermined operation parameter indicating the operation condition of the ignition instruction operation by the point fire extinguishing switch 71, for example, the start of the ignition instruction operation (specifically, the point fire extinguishing). The operation detecting means 81 for detecting the operation time from (touching the switch 71) to the end of the ignition instruction operation (specifically, releasing the finger from the point fire extinguishing switch 71) is provided. Then, the controller 8 controls each stove burner 3 as shown in FIG.

In this control, first, it is determined whether or not the ignition instruction operation is started in STEP1. Then, when the ignition instruction operation is started, the process proceeds to STEP 2 and the ignition control of the corresponding stove burner 3 is started. In the ignition control, the electromagnetic safety valve 52 for the corresponding stove burner 3 is opened, and the thermal power control valve 53 for the stove burner 3 is ignited by the thermal power of the stove burner 3 (for example, the seventh stage from the bottom). The igniter 6 is energized to apply a high voltage to the ignition electrode 61, and the stove burner 3 is ignited by the ignition power. When ignition control is started with all the stove burner 3 and the grill burner 4a extinguished, the main valve 51 is opened together with the electromagnetic safety valve 52.

When the ignition control is started, next, it is determined in STEP 3 whether or not the ignition instruction operation is completed, and when the ignition instruction operation is completed, the process proceeds to STEP 4, and based on the operation time detected by the operation detection means 81. Determine the target thermal power after ignition. Specifically, when the ignition instruction operation is started, the timer, which is the operation detection means 81, starts the timekeeping operation, and the thermal power displayed on the thermal power display unit 73 increases in conjunction with the time measurement of the timer, and the ignition instruction is given. When the timekeeping operation of the timer is completed at the end of the operation, the thermal power displayed on the thermal power display unit 73 is determined as the target thermal power after ignition.

Next, the process proceeds to STEP 5, and it is determined whether or not the flame detecting element has detected the flame of the corresponding stove burner 3. Then, when the flame is detected, the process proceeds to STEP 6, the energization to the igniter 6 is stopped to complete the ignition control, and the ignition control is completed. Change to the target firepower. According to this, it is not necessary to perform the ignition instruction operation after the ignition instruction operation by the point fire extinguishing switch 71, the user does not feel annoyed, and the usability is improved.

After STEP7, the process proceeds to STEP8, and it is determined whether or not the thermal power instruction operation by the up / down switch 72 has been performed. When the thermal power instruction operation is performed, the process proceeds to STEP 9, the thermal power of the stove burner 3 is changed from the target thermal power after ignition to the thermal power instructed by the thermal power instruction operation, and then the process proceeds to STEP 10. If the thermal power instruction operation is not performed, the process proceeds to STEP 10 while maintaining the thermal power of the stove burner 3 at the target thermal power after ignition. In STEP 10, it is determined whether or not the fire extinguishing instruction operation (touching the point fire extinguishing switch 71 again) has been performed. Then, until the fire extinguishing instruction operation is performed, the process of returning to STEP 8 is repeated, and when the fire extinguishing instruction operation is performed, the process proceeds to STEP 11, the electromagnetic safety valve 52 is closed, and the stove burner 3 is extinguished. Although not shown, the electromagnetic safety valve 52 is closed even when the stove burner 3 misfires after ignition and the flame is no longer detected by the flame detecting element.

When the grill operation button 12 is pressed, the controller 8 opens the electromagnetic safety valve 52 and the temperature control valve 54 for the grill burner 4a, and energizes the igniter 6'to apply a high voltage to the ignition electrode 61'. By doing so, the grill burner 4a is controlled to be ignited, and then the temperature control valve 54 is closed when the detected temperature of the temperature sensor (not shown) in the grill chamber becomes a predetermined set temperature or higher. Temperature control is performed to open the temperature control valve 54 when the detected temperature falls below the set temperature, and when the operation button 12 is pressed again, the electromagnetic safety valve 52 for the grill burner 4a is closed to open the grill burner 4a. extinguish a fire.

Next, the second embodiment shown in FIGS. 4 and 5 will be described. In the second embodiment, the top plate 2 is not provided with the operation unit 7 as in the first embodiment, and the front panel 1a of the stove body 1 is of a push-push type, which is an ignition operation member for each stove burner 3. An operation button 9 is provided. Each operation button 9 is once pushed from the fire extinguishing position shown in FIG. 5A, which is almost flush with the front panel 1a, to the pushing position shown in FIG. 5B, and then released. It is designed to project to the combustion position shown in 5 (c), and is further rotatable. The operation button 9 is provided with a micro switch 91 that is turned on by pushing the operation button 9 to the pushing position, and an encoder 92 that detects the rotation angle of the operation button 9.

The controller 8 starts the ignition instruction operation when the operation button 9 is pushed into the pushed position and turns on the micro switch 91, and ends the ignition instruction operation and burns when the micro switch 91 is turned off by releasing the push of the operation button 9. The rotation operation of the operation button 9 protruding to the position is set as a thermal power instruction operation, and the control shown in FIG. 3 is performed in the same manner as in the first embodiment.

Next, the third embodiment shown in FIG. 6 will be described. In the third embodiment, the operation unit 7 is provided with a touch switch 74 that overlaps with the thermal power display unit 73 instead of the point fire extinguishing switch 71 and the up / down switch 72. Then, using the touch switch 74 as an ignition operation member, it is determined that the ignition instruction operation is started when the finger touches the touch switch 74, and the ignition instruction operation is terminated when the finger is released from the touch switch 74. Further, the amount of movement of the finger along the thermal power display unit 73 from the time the finger touches the touch switch 74 to the time when the finger touches the touch switch 74 is used as the displacement operation amount, and this is detected by the operation detection means 81. Further, after the finger is once released from the touch switch 74, the thermal power instruction operation is performed by touching the portion of the touch switch 74 that overlaps with the appropriate portion of the thermal power display unit 73, and the thermal power instruction operation is performed on the portion of the touch switch 74 touched by the finger. The overlapping light emitting units 73a light up. Further, a fire extinguishing touch switch 75 is provided in a portion adjacent to one end of the thermal power display unit 73 so that a fire extinguishing instruction operation can be performed by touching the fire extinguishing touch switch 75 with a finger.

In the third embodiment, in STEP 4 shown in FIG. 3, the target thermal power after ignition is determined based on the operation displacement amount detected by the operation detection unit 81. Except for this point, the control is the same as that of the first embodiment. Is done.

Although the embodiments of the present invention have been described above with reference to the drawings, the present invention is not limited thereto. For example, in the above embodiment, the value of the operation parameter that is the basis for determining the target thermal power after ignition is the operation time or the operation displacement amount from the start to the end of the ignition instruction operation by the ignition operation member, but it depends on the ignition operation member. It is also possible to set the operation speed from the start to the end of the ignition instruction operation. Further, although the cooking device of the above embodiment is a stove, the present invention can be similarly applied to a cooking device other than the stove.

3 ... stove burner (burner), 53 ... thermal power control valve (heat control means), 6 ... igniter (ignition means), 71 ... point fire extinguishing switch (ignition operation member), 74 ... touch switch (ignition operation member), 8 ... Controller (control means), 81 ... operation detection means, 9 ... operation button (ignition operation member).

Claims (3)

A burner that heats the food to be cooked, an ignition operation member that performs an ignition instruction operation of the burner, an ignition means that ignites the burner, a thermal power adjusting means that adjusts the thermal power of the burner, and a control that controls the ignition means and the thermal power adjusting means. a cooking device and means, the control means have rows ignition control to ignite at a predetermined ignition-fired burner by operating the ignition means when the ignition instruction operation by the ignition operation member is performed, the flame In those that complete ignition control when detected
It is provided with an operation detection means for detecting the value of a predetermined operation parameter indicating the operation condition from the start to the end of the ignition instruction operation by the ignition operation member.
The control means determines the target thermal power after ignition during ignition control based on the value of the operation parameter detected by the operation detection means when the ignition instruction operation is performed by the ignition operation member, and the thermal power of the burner after the ignition control is completed. A heating cooker characterized in that the control is performed to change from the ignition heating power to the target heating power after ignition. The cooker according to claim 1, wherein the value of the operation parameter detected by the operation detection means is an operation time from the start to the end of the ignition instruction operation by the ignition operation member. The cooker according to claim 1, wherein the value of the operation parameter detected by the operation detection means is an operation displacement amount from the start to the end of the ignition instruction operation by the ignition operation member.

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